static demuxer_t* demux_ppbox_open(demuxer_t* demuxer) {
ppbox_demux_priv_t * priv = (ppbox_demux_priv_t *)calloc(sizeof(ppbox_demux_priv_t), 1);
priv->duration = PPBOX_GetDuration()();
priv->stream_count = PPBOX_GetStreamCount()();
mp_msg(MSGT_DEMUX, MSGL_ERR, "demux_ppbox_open duration %u\n", priv->duration);
mp_msg(MSGT_DEMUX, MSGL_ERR, "demux_ppbox_open stream count %u\n", priv->stream_count);
for (uint32_t idx = 0; idx < priv->stream_count; ++idx) {
PPBOX_StreamInfoEx info;
PPBOX_GetStreamInfoEx()(idx, &info);
if (info.type == ppbox_video) {
mp_msg(MSGT_DEMUX, MSGL_ERR, "video stream\n");
sh_video_t* sh_video = new_sh_video(demuxer, idx);;
BITMAPINFOHEADER *bih = calloc(sizeof(*bih) + info.format_size, 1);
bih->biSize = sizeof(*bih) + info.format_size;
bih->biCompression = mmioFOURCC('H', '2', '6', '4');
bih->biWidth = info.video_format.width;
bih->biHeight = info.video_format.height;
memcpy(bih + 1, info.format_buffer, info.format_size);
sh_video->format = bih->biCompression;
sh_video->disp_w = info.video_format.width;
sh_video->disp_h = info.video_format.height;
sh_video->fps = info.video_format.frame_rate;
sh_video->frametime = 1.0 / info.video_format.frame_rate;
sh_video->bih = bih;
demuxer->video->sh = sh_video;
priv->streams[idx] = demuxer->video;
} else if (info.type == ppbox_audio) {
mp_msg(MSGT_DEMUX, MSGL_ERR, "audio stream\n");
#if STREAMTYPE_PPBOX == 21
sh_audio_t* sh_audio = new_sh_audio(demuxer, idx);
#else
sh_audio_t* sh_audio = new_sh_audio(demuxer, idx, NULL);
#endif
WAVEFORMATEX *wf = calloc(sizeof(*wf) + info.format_size, 1);;
wf->wFormatTag = 255;
wf->nChannels = info.audio_format.channel_count;
wf->nSamplesPerSec = info.audio_format.sample_rate;
wf->wBitsPerSample = info.audio_format.sample_size;
wf->cbSize = info.format_size;
memcpy(wf + 1, info.format_buffer, info.format_size);
sh_audio->wf = wf;
sh_audio->format = mmioFOURCC('M', 'P', '4', 'A');
sh_audio->samplerate = info.audio_format.sample_rate;
sh_audio->samplesize = info.audio_format.sample_size;
sh_audio->channels = info.audio_format.channel_count;
demuxer->audio->sh = sh_audio;
demuxer->audio->id = idx;
priv->streams[idx] = demuxer->audio;
}
}
demuxer->seekable = priv->duration > 0;
demuxer->priv = priv;
return demuxer;
}
static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
y4m_priv_t* priv = demuxer->priv;
sh_video_t* sh=new_sh_video(demuxer,0);
priv->framenum = 0;
priv->si = malloc(sizeof(y4m_stream_info_t));
sh->bih=calloc(1, sizeof(*sh->bih));
demuxer->video->sh=sh;
sh->ds=demuxer->video;
demuxer->video->id=0;
read_streaminfo(demuxer);
return demuxer;
}
static demuxer_t* demux_open_rawdv(demuxer_t* demuxer)
{
unsigned char dv_frame[DV_PAL_FRAME_SIZE];
sh_video_t *sh_video = NULL;
rawdv_frames_t *frames = malloc(sizeof(rawdv_frames_t));
dv_decoder_t *dv_decoder=NULL;
mp_msg(MSGT_DEMUXER,MSGL_V,"demux_open_rawdv() end_pos %"PRId64"\n",(int64_t)demuxer->stream->end_pos);
// go back to the beginning
stream_reset(demuxer->stream);
stream_seek(demuxer->stream, 0);
//get the first frame
stream_read(demuxer->stream, dv_frame, DV_PAL_FRAME_SIZE);
//read params from this frame
dv_decoder=dv_decoder_new(TRUE,TRUE,FALSE);
dv_decoder->quality=DV_QUALITY_BEST;
if (dv_parse_header(dv_decoder, dv_frame) == -1)
return NULL;
// create a new video stream header
sh_video = new_sh_video(demuxer, 0);
if (!sh_video)
return NULL;
// make sure the demuxer knows about the new video stream header
// (even though new_sh_video() ought to take care of it)
demuxer->seekable = 1;
demuxer->video->sh = sh_video;
// make sure that the video demuxer stream header knows about its
// parent video demuxer stream (this is getting wacky), or else
// video_read_properties() will choke
sh_video->ds = demuxer->video;
// custom fourcc for internal MPlayer use
// sh_video->format = mmioFOURCC('R', 'A', 'D', 'V');
sh_video->format = mmioFOURCC('D', 'V', 'S', 'D');
sh_video->disp_w = dv_decoder->width;
sh_video->disp_h = dv_decoder->height;
mp_msg(MSGT_DEMUXER,MSGL_V,"demux_open_rawdv() frame_size: %d w: %d h: %d dif_seq: %d system: %d\n",dv_decoder->frame_size,dv_decoder->width, dv_decoder->height,dv_decoder->num_dif_seqs,dv_decoder->system);
sh_video->fps= (dv_decoder->system==e_dv_system_525_60?29.97:25);
sh_video->frametime = 1.0/sh_video->fps;
// emulate BITMAPINFOHEADER for win32 decoders:
sh_video->bih=malloc(sizeof(BITMAPINFOHEADER));
memset(sh_video->bih,0,sizeof(BITMAPINFOHEADER));
sh_video->bih->biSize=40;
sh_video->bih->biWidth = dv_decoder->width;
sh_video->bih->biHeight = dv_decoder->height;
sh_video->bih->biPlanes=1;
sh_video->bih->biBitCount=24;
sh_video->bih->biCompression=sh_video->format; // "DVSD"
sh_video->bih->biSizeImage=sh_video->bih->biWidth*sh_video->bih->biHeight*3;
frames->current_filepos=0;
frames->current_frame=0;
frames->frame_size=dv_decoder->frame_size;
frames->frame_number=demuxer->stream->end_pos/frames->frame_size;
mp_msg(MSGT_DEMUXER,MSGL_V,"demux_open_rawdv() seek to %qu, size: %d, dv_dec->frame_size: %d\n",frames->current_filepos,frames->frame_size, dv_decoder->frame_size);
if (dv_decoder->audio != NULL && demuxer->audio->id>=-1){
sh_audio_t *sh_audio = new_sh_audio(demuxer, 0);
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
mp_msg(MSGT_DEMUXER,MSGL_V,"demux_open_rawdv() chan: %d samplerate: %d\n",dv_decoder->audio->num_channels,dv_decoder->audio->frequency );
// custom fourcc for internal MPlayer use
sh_audio->format = mmioFOURCC('R', 'A', 'D', 'V');
sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
sh_audio->wf->wFormatTag = sh_audio->format;
sh_audio->wf->nChannels = dv_decoder->audio->num_channels;
sh_audio->wf->wBitsPerSample = 16;
sh_audio->wf->nSamplesPerSec = dv_decoder->audio->frequency;
// info about the input stream:
sh_audio->wf->nAvgBytesPerSec = sh_video->fps*dv_decoder->frame_size;
sh_audio->wf->nBlockAlign = dv_decoder->frame_size;
// sh_audio->context=(void*)dv_decoder;
}
stream_reset(demuxer->stream);
stream_seek(demuxer->stream, 0);
dv_decoder_free(dv_decoder); //we keep this in the context of both stream headers
demuxer->priv=frames;
return demuxer;
}
static demuxer_t* demux_open_tv(demuxer_t *demuxer)
{
tvi_handle_t *tvh;
sh_video_t *sh_video;
sh_audio_t *sh_audio = NULL;
const tvi_functions_t *funcs;
demuxer->priv=NULL;
if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
if (!tvh->functions->init(tvh->priv)) return NULL;
tvh->demuxer = demuxer;
tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,
&(tvh->tv_param->teletext.device));
tvh->functions->control(tvh->priv,TVI_CONTROL_GET_VBI_PTR,
&demuxer->teletext);
if (!open_tv(tvh)) {
tv_uninit(tvh);
return NULL;
}
funcs = tvh->functions;
demuxer->priv=tvh;
sh_video = new_sh_video(demuxer, 0);
/* get IMAGE FORMAT */
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
// if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
// sh_video->format = 0x0;
/* set FPS and FRAMETIME */
if(!sh_video->fps)
{
float tmp;
if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
sh_video->fps = 25.0f; /* on PAL */
else sh_video->fps = tmp;
}
if (tvh->tv_param->fps != -1.0f)
sh_video->fps = tvh->tv_param->fps;
sh_video->frametime = 1.0f/sh_video->fps;
/* If playback only mode, go to immediate mode, fail silently */
if(tvh->tv_param->immediate == 1)
{
funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
tvh->tv_param->noaudio = 1;
}
/* disable TV audio if -nosound is present */
if (!demuxer->audio || demuxer->audio->id == -2) {
tvh->tv_param->noaudio = 1;
}
/* set width */
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
/* set height */
funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
demuxer->video->id = 0;
demuxer->seekable = 0;
/* here comes audio init */
if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
{
int audio_format;
int sh_audio_format;
char buf[128];
/* yeah, audio is present */
funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
&tvh->tv_param->audiorate);
if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
goto no_audio;
switch(audio_format)
{
case AF_FORMAT_U8:
case AF_FORMAT_S8:
case AF_FORMAT_U16_LE:
case AF_FORMAT_U16_BE:
case AF_FORMAT_S16_LE:
case AF_FORMAT_S16_BE:
case AF_FORMAT_S32_LE:
case AF_FORMAT_S32_BE:
sh_audio_format = 0x1; /* PCM */
break;
case AF_FORMAT_IMA_ADPCM:
case AF_FORMAT_MU_LAW:
case AF_FORMAT_A_LAW:
case AF_FORMAT_MPEG2:
default:
mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnsupportedAudioType,
af_fmt2str(audio_format, buf, 128), audio_format);
goto no_audio;
}
sh_audio = new_sh_audio(demuxer, 0, NULL);
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
&sh_audio->samplerate);
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
&sh_audio->samplesize);
funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
&sh_audio->channels);
sh_audio->format = sh_audio_format;
sh_audio->sample_format = audio_format;
sh_audio->i_bps = sh_audio->o_bps =
sh_audio->samplerate * sh_audio->samplesize *
sh_audio->channels;
// emulate WF for win32 codecs:
sh_audio->wf = malloc(sizeof(*sh_audio->wf));
sh_audio->wf->wFormatTag = sh_audio->format;
sh_audio->wf->nChannels = sh_audio->channels;
sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
mp_msg(MSGT_DECVIDEO, MSGL_V, " TV audio: %d channels, %d bits, %d Hz\n",
sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
sh_audio->wf->nSamplesPerSec);
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
demuxer->audio->id = 0;
}
no_audio:
if(!(funcs->start(tvh->priv))) {
// start failed :(
tv_uninit(tvh);
return NULL;
}
/* set color eq */
tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
if(tvh->tv_param->gain!=-1)
if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
teletext_control(demuxer->teletext,TV_VBI_CONTROL_RESET,
&tvh->tv_param->teletext);
return demuxer;
}
void rtpCodecInitialize_video(demuxer_t* demuxer,
MediaSubsession* subsession,
unsigned& flags) {
flags = 0;
// Create a dummy video stream header
// to make the main MPlayer code happy:
sh_video_t* sh_video = new_sh_video(demuxer,0);
BITMAPINFOHEADER* bih
= (BITMAPINFOHEADER*)calloc(1,sizeof(BITMAPINFOHEADER));
bih->biSize = sizeof(BITMAPINFOHEADER);
sh_video->bih = bih;
demux_stream_t* d_video = demuxer->video;
d_video->sh = sh_video; sh_video->ds = d_video;
// Map known video MIME types to the BITMAPINFOHEADER parameters
// that this program uses. (Note that not all types need all
// of the parameters to be set.)
if (strcmp(subsession->codecName(), "MPV") == 0) {
flags |= RTPSTATE_IS_MPEG12_VIDEO;
} else if (strcmp(subsession->codecName(), "MP1S") == 0 ||
strcmp(subsession->codecName(), "MP2T") == 0) {
flags |= RTPSTATE_IS_MPEG12_VIDEO|RTPSTATE_IS_MULTIPLEXED;
} else if (strcmp(subsession->codecName(), "H263") == 0 ||
strcmp(subsession->codecName(), "H263-2000") == 0 ||
strcmp(subsession->codecName(), "H263-1998") == 0) {
bih->biCompression = sh_video->format
= mmioFOURCC('H','2','6','3');
needVideoFrameRate(demuxer, subsession);
} else if (strcmp(subsession->codecName(), "H264") == 0) {
bih->biCompression = sh_video->format
= mmioFOURCC('H','2','6','4');
unsigned int configLen = 0;
unsigned char* configData
= parseH264ConfigStr(subsession->fmtp_spropparametersets(), configLen);
sh_video->bih = bih = insertVideoExtradata(bih, configData, configLen);
delete[] configData;
#ifdef USE_LIBAVCODEC
av_register_codec_parser(&h264_parser);
h264parserctx = av_parser_init(CODEC_ID_H264);
#endif
needVideoFrameRate(demuxer, subsession);
} else if (strcmp(subsession->codecName(), "H261") == 0) {
bih->biCompression = sh_video->format
= mmioFOURCC('H','2','6','1');
needVideoFrameRate(demuxer, subsession);
} else if (strcmp(subsession->codecName(), "JPEG") == 0) {
bih->biCompression = sh_video->format
= mmioFOURCC('M','J','P','G');
needVideoFrameRate(demuxer, subsession);
} else if (strcmp(subsession->codecName(), "MP4V-ES") == 0) {
bih->biCompression = sh_video->format
= mmioFOURCC('m','p','4','v');
// For the codec to work correctly, it may need a 'VOL Header' to be
// inserted at the front of the data stream. Construct this from the
// "config" MIME parameter, which was present (hopefully) in the
// session's SDP description:
unsigned configLen;
unsigned char* configData
= parseGeneralConfigStr(subsession->fmtp_config(), configLen);
sh_video->bih = bih = insertVideoExtradata(bih, configData, configLen);
needVideoFrameRate(demuxer, subsession);
} else if (strcmp(subsession->codecName(), "X-QT") == 0 ||
strcmp(subsession->codecName(), "X-QUICKTIME") == 0) {
// QuickTime generic RTP format, as described in
// http://developer.apple.com/quicktime/icefloe/dispatch026.html
// We can't initialize this stream until we've received the first packet
// that has QuickTime "sdAtom" information in the header. So, keep
// reading packets until we get one:
unsigned char* packetData; unsigned packetDataLen; float pts;
QuickTimeGenericRTPSource* qtRTPSource
= (QuickTimeGenericRTPSource*)(subsession->rtpSource());
unsigned fourcc;
do {
if (!awaitRTPPacket(demuxer, demuxer->video,
packetData, packetDataLen, pts)) {
return;
}
} while (!parseQTState_video(qtRTPSource->qtState, fourcc));
bih->biCompression = sh_video->format = fourcc;
bih->biWidth = qtRTPSource->qtState.width;
bih->biHeight = qtRTPSource->qtState.height;
uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
+ qtRTPSource->qtState.sdAtomSize;
while (pos+8 < endpos) {
unsigned atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
if (atomLength == 0 || atomLength > endpos-pos) break;
if ((!memcmp(pos+4, "avcC", 4) && fourcc==mmioFOURCC('a','v','c','1') ||
!memcmp(pos+4, "esds", 4) ||
!memcmp(pos+4, "SMI ", 4) && fourcc==mmioFOURCC('S','V','Q','3')) &&
atomLength > 8) {
sh_video->bih = bih =
insertVideoExtradata(bih, pos+8, atomLength-8);
break;
}
pos += atomLength;
}
needVideoFrameRate(demuxer, subsession);
} else {
fprintf(stderr,
"Unknown MPlayer format code for MIME type \"video/%s\"\n",
subsession->codecName());
}
}
/**
* \brief MPlayer callback: Open MNG stream.
* \param[in] demuxer demuxer structure
* \return demuxer structure on success, \p NULL on error
*/
static demuxer_t * demux_mng_open(demuxer_t * demuxer)
{
mng_priv_t * mng_priv;
mng_handle h_mng;
mng_retcode mng_ret;
sh_video_t * sh_video;
// create private data structure
mng_priv = calloc(1, sizeof(mng_priv_t));
//stream pointer into private data
mng_priv->stream = demuxer->stream;
// initialize MNG image instance
h_mng = mng_initialize((mng_ptr)mng_priv, demux_mng_alloc,
demux_mng_free, MNG_NULL);
if (!h_mng) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"demux_mng: could not initialize MNG image instance\n");
free(mng_priv);
return NULL;
}
// MNG image handle into private data
mng_priv->h_mng = h_mng;
// set required MNG callbacks
if (mng_setcb_openstream(h_mng, demux_mng_openstream) ||
mng_setcb_closestream(h_mng, demux_mng_closestream) ||
mng_setcb_readdata(h_mng, demux_mng_readdata) ||
mng_setcb_processheader(h_mng, demux_mng_processheader) ||
mng_setcb_getcanvasline(h_mng, demux_mng_getcanvasline) ||
mng_setcb_refresh(h_mng, demux_mng_refresh) ||
mng_setcb_gettickcount(h_mng, demux_mng_gettickcount) ||
mng_setcb_settimer(h_mng, demux_mng_settimer) ||
mng_set_canvasstyle(h_mng, MNG_CANVAS_RGBA8)) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"demux_mng: could not set MNG callbacks\n");
mng_cleanup(&h_mng);
free(mng_priv);
return NULL;
}
// start reading MNG data
mng_ret = mng_read(h_mng);
if (mng_ret) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"demux_mng: could not start reading MNG data: "
"mng_retcode %d\n", mng_ret);
mng_cleanup(&h_mng);
free(mng_priv);
return NULL;
}
// check that MNG header is processed now
if (!mng_priv->header_processed) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"demux_mng: internal error: header not processed\n");
mng_cleanup(&h_mng);
free(mng_priv);
return NULL;
}
// create a new video stream header
sh_video = new_sh_video(demuxer, 0);
// Make sure the demuxer knows about the new video stream header
// (even though new_sh_video() ought to take care of it).
// (Thanks to demux_gif.c for this.)
demuxer->video->sh = sh_video;
// Make sure that the video demuxer stream header knows about its
// parent video demuxer stream (this is getting wacky), or else
// video_read_properties() will choke.
// (Thanks to demux_gif.c for this.)
sh_video->ds = demuxer->video;
// set format of pixels in video packets
sh_video->format = mmioFOURCC(32, 'B', 'G', 'R');
// set framerate to some value (MNG does not have a fixed framerate)
sh_video->fps = 5.0f;
sh_video->frametime = 1.0f / sh_video->fps;
// set video frame parameters
sh_video->bih = malloc(sizeof(*sh_video->bih));
sh_video->bih->biCompression = sh_video->format;
sh_video->bih->biWidth = mng_priv->width;
sh_video->bih->biHeight = mng_priv->height;
sh_video->bih->biBitCount = 32;
sh_video->bih->biPlanes = 1;
// Set start time to something > 0.
// - This is required for the variable frame time mechanism
// (GIF, MATROSKA, MNG) in video.c to work for the first frame.
sh_video->ds->pts = MNG_START_PTS;
// set private data in demuxer and return demuxer
demuxer->priv = mng_priv;
return demuxer;
}
static demuxer_t* demux_open_fli(demuxer_t* demuxer){
sh_video_t *sh_video = NULL;
fli_frames_t *frames = malloc(sizeof(fli_frames_t));
int frame_number;
int speed;
unsigned int frame_size;
int magic_number;
unsigned char * header;
// go back to the beginning
stream_reset(demuxer->stream);
stream_seek(demuxer->stream, 0);
header = calloc(1, sizeof(BITMAPINFOHEADER) + 128);
stream_read(demuxer->stream, header + sizeof(BITMAPINFOHEADER), 128);
stream_seek(demuxer->stream, 0);
demuxer->movi_start = 128;
demuxer->movi_end = stream_read_dword_le(demuxer->stream);
magic_number = stream_read_word_le(demuxer->stream);
if ((magic_number != 0xAF11) && (magic_number != 0xAF12))
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "Bad/unknown magic number (%04x)\n",
magic_number);
free(header);
free(frames);
return NULL;
}
// fetch the number of frames
frames->num_frames = stream_read_word_le(demuxer->stream);
frames->current_frame = 0;
// allocate enough entries for the indices
// audit: num_frames is 16bit so it is safe against overflow
frames->filepos = malloc(frames->num_frames * sizeof(off_t));
frames->frame_size = malloc(frames->num_frames * sizeof(int));
// create a new video stream header
sh_video = new_sh_video(demuxer, 0);
// make sure the demuxer knows about the new video stream header
// (even though new_sh_video() ought to take care of it)
demuxer->video->sh = sh_video;
// make sure that the video demuxer stream header knows about its
// parent video demuxer stream (this is getting wacky), or else
// video_read_properties() will choke
sh_video->ds = demuxer->video;
// custom fourcc for internal MPlayer use
sh_video->format = mmioFOURCC('F', 'L', 'I', 'C');
sh_video->disp_w = stream_read_word_le(demuxer->stream);
sh_video->disp_h = stream_read_word_le(demuxer->stream);
// pass extradata to codec
sh_video->bih = (BITMAPINFOHEADER*)header;
sh_video->bih->biSize = sizeof(BITMAPINFOHEADER) + 128;
sh_video->bih->biWidth = sh_video->disp_w;
sh_video->bih->biHeight = sh_video->disp_h;
// skip the video depth and flags
stream_skip(demuxer->stream, 4);
// get the speed
speed = stream_read_word_le(demuxer->stream);
if (speed == 0)
speed = 1;
if (magic_number == 0xAF11)
speed *= 1000/70;
sh_video->fps = 1000 / speed;
sh_video->frametime = 1/sh_video->fps;
// build the frame index
stream_seek(demuxer->stream, demuxer->movi_start);
frame_number = 0;
while ((!stream_eof(demuxer->stream)) && (frame_number < frames->num_frames))
{
frames->filepos[frame_number] = stream_tell(demuxer->stream);
frame_size = stream_read_dword_le(demuxer->stream);
magic_number = stream_read_word_le(demuxer->stream);
stream_skip(demuxer->stream, frame_size - 6);
// if this chunk has the right magic number, index it
if ((magic_number == 0xF1FA) || (magic_number == 0xF5FA))
{
frames->frame_size[frame_number] = frame_size;
frame_number++;
}
}
// save the actual number of frames indexed
frames->num_frames = frame_number;
demuxer->priv = frames;
return demuxer;
}
static demuxer_t* demux_open_avs(demuxer_t* demuxer)
{
int found = 0;
AVS_T *AVS = demuxer->priv;
int audio_samplesize = 0;
AVS->frameno = 0;
AVS->sampleno = 0;
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: demux_open_avs()\n");
demuxer->seekable = 1;
AVS->clip = AVS->avs_take_clip(AVS->handler, AVS->avs_env);
if(!AVS->clip)
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_take_clip() failed\n");
return NULL;
}
AVS->video_info = AVS->avs_get_video_info(AVS->clip);
if (!AVS->video_info)
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_video_info() call failed\n");
return NULL;
}
if (!avs_is_yv12(AVS->video_info))
{
AVS->handler = AVS->avs_invoke(AVS->avs_env, "ConvertToYV12", avs_new_value_array(&AVS->handler, 1), 0);
if (avs_is_error(AVS->handler))
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Cannot convert input video to YV12: %s\n", avs_as_string(AVS->handler));
return NULL;
}
AVS->clip = AVS->avs_take_clip(AVS->handler, AVS->avs_env);
if(!AVS->clip)
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_take_clip() failed\n");
return NULL;
}
AVS->video_info = AVS->avs_get_video_info(AVS->clip);
if (!AVS->video_info)
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_video_info() call failed\n");
return NULL;
}
}
// TODO check field-based ??
/* Video */
if (avs_has_video(AVS->video_info))
{
sh_video_t *sh_video = new_sh_video(demuxer, 0);
found = 1;
if (demuxer->video->id == -1) demuxer->video->id = 0;
if (demuxer->video->id == 0)
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
sh_video->disp_w = AVS->video_info->width;
sh_video->disp_h = AVS->video_info->height;
//sh_video->format = get_mmioFOURCC(AVS->video_info);
sh_video->format = mmioFOURCC('Y', 'V', '1', '2');
sh_video->fps = (double) AVS->video_info->fps_numerator / (double) AVS->video_info->fps_denominator;
sh_video->frametime = 1.0 / sh_video->fps;
sh_video->bih = malloc(sizeof(BITMAPINFOHEADER) + (256 * 4));
sh_video->bih->biCompression = sh_video->format;
sh_video->bih->biBitCount = avs_bits_per_pixel(AVS->video_info);
//sh_video->bih->biPlanes = 2;
sh_video->bih->biWidth = AVS->video_info->width;
sh_video->bih->biHeight = AVS->video_info->height;
sh_video->num_frames = 0;
sh_video->num_frames_decoded = 0;
}
/* Audio */
if (avs_has_audio(AVS->video_info))
switch (AVS->video_info->sample_type) {
case AVS_SAMPLE_INT8: audio_samplesize = 1; break;
case AVS_SAMPLE_INT16: audio_samplesize = 2; break;
case AVS_SAMPLE_INT24: audio_samplesize = 3; break;
case AVS_SAMPLE_INT32:
case AVS_SAMPLE_FLOAT: audio_samplesize = 4; break;
default:
mp_msg(MSGT_DEMUX, MSGL_ERR, "AVS: unknown audio type, disabling\n");
}
if (audio_samplesize)
{
sh_audio_t *sh_audio = new_sh_audio(demuxer, 0);
found = 1;
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: Clip has audio -> Channels = %d - Freq = %d\n", AVS->video_info->nchannels, AVS->video_info->audio_samples_per_second);
if (demuxer->audio->id == -1) demuxer->audio->id = 0;
if (demuxer->audio->id == 0)
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
sh_audio->wf->wFormatTag = sh_audio->format =
(AVS->video_info->sample_type == AVS_SAMPLE_FLOAT) ? 0x3 : 0x1;
sh_audio->wf->nChannels = sh_audio->channels = AVS->video_info->nchannels;
sh_audio->wf->nSamplesPerSec = sh_audio->samplerate = AVS->video_info->audio_samples_per_second;
sh_audio->samplesize = audio_samplesize;
sh_audio->wf->nAvgBytesPerSec = sh_audio->channels * sh_audio->samplesize * sh_audio->samplerate;
sh_audio->wf->nBlockAlign = sh_audio->channels * sh_audio->samplesize;
sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
sh_audio->wf->cbSize = 0;
sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec;
}
AVS->init = 1;
if (found)
return demuxer;
else
return NULL;
}
static demuxer_t* demux_open_rtp(demuxer_t* demuxer)
{
nms_rtsp_hints hints;
char * url = demuxer->stream->streaming_ctrl->url->url;
rtsp_ctrl * ctl;
RTSP_Error reply;
rtsp_medium * media;
Nemesi_DemuxerStreamData * ndsd = calloc(1, sizeof(Nemesi_DemuxerStreamData));
memset(&hints,0,sizeof(hints));
if (rtsp_port) hints.first_rtp_port = rtsp_port;
if (rtsp_transport_tcp) {
hints.pref_rtsp_proto = TCP;
hints.pref_rtp_proto = TCP;
}
if (rtsp_transport_sctp) {
hints.pref_rtsp_proto = SCTP;
hints.pref_rtp_proto = SCTP;
}
mp_msg(MSGT_DEMUX, MSGL_INFO, "Initializing libNemesi\n");
if ((ctl = rtsp_init(&hints)) == NULL) {
free(ndsd);
return STREAM_ERROR;
}
ndsd->rtsp = ctl;
demuxer->priv = ndsd;
//nms_verbosity_set(1);
mp_msg(MSGT_DEMUX, MSGL_INFO, "Opening: %s\n", url);
if (rtsp_open(ctl, url)) {
mp_msg(MSGT_DEMUX, MSGL_ERR, "rtsp_open failed.\n");
return demuxer;
}
reply = rtsp_wait(ctl);
if (reply.got_error) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"OPEN Error from the server: %s\n",
reply.message.reply_str);
return demuxer;
}
rtsp_play(ctl, 0, 0);
reply = rtsp_wait(ctl);
if (reply.got_error) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"PLAY Error from the server: %s\n",
reply.message.reply_str);
return demuxer;
}
if (!ctl->rtsp_queue)
return demuxer;
media = ctl->rtsp_queue->media_queue;
for (; media; media=media->next) {
sdp_medium_info * info = media->medium_info;
rtp_session * sess = media->rtp_sess;
rtp_buff buff;
int media_format = atoi(info->fmts);
rtp_pt * ptinfo = rtp_get_pt_info(sess, media_format);
char const * format_name = ptinfo ? ptinfo->name : NULL;
memset(&buff, 0, sizeof(rtp_buff));
if (sess->parsers[media_format] == NULL) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"libNemesi unsupported media format: %s\n",
format_name ? format_name : info->fmts);
continue;
}
else {
mp_msg(MSGT_DEMUX, MSGL_INFO,
"libNemesi supported media: %s\n",
format_name);
}
if (ptinfo->type == AU) {
if (ndsd->session[NEMESI_SESSION_AUDIO] == NULL) {
sh_audio_t* sh_audio = new_sh_audio(demuxer,0, NULL);
WAVEFORMATEX* wf;
demux_stream_t* d_audio = demuxer->audio;
demuxer->audio->id = 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as AUDIO stream...\n");
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_AUDIO,
sess, &buff, NULL);
wf = calloc(1,sizeof(*wf)+buff.len);
wf->cbSize = buff.len;
memcpy(wf+1, buff.data, buff.len);
sh_audio->wf = wf;
d_audio->sh = sh_audio;
wf->nSamplesPerSec = 0;
wf->wFormatTag =
sh_audio->format = get4CC(supported_audio, format_name);
if ( !(wf->wFormatTag) )
mp_msg(MSGT_DEMUX, MSGL_WARN,
"Unknown MPlayer format code for MIME"
" type \"audio/%s\"\n", format_name);
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"There is already an audio session registered,"
" ignoring...\n");
}
} else if (ptinfo->type == VI) {
if (ndsd->session[NEMESI_SESSION_VIDEO] == NULL) {
sh_video_t* sh_video;
BITMAPINFOHEADER* bih;
demux_stream_t* d_video;
int fps = 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as VIDEO stream...\n");
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_VIDEO,
sess, &buff, &fps);
bih = calloc(1,sizeof(*bih)+buff.len);
bih->biSize = sizeof(*bih)+buff.len;
memcpy(bih+1, buff.data, buff.len);
sh_video = new_sh_video(demuxer,0);
sh_video->bih = bih;
d_video = demuxer->video;
d_video->sh = sh_video;
if (fps) {
sh_video->fps = fps;
sh_video->frametime = 1.0/fps;
}
bih->biCompression =
sh_video->format = get4CC(supported_video, format_name);
if ( !(bih->biCompression) ) {
mp_msg(MSGT_DEMUX, MSGL_WARN,
"Unknown MPlayer format code for MIME"
" type \"video/%s\"\n", format_name);
}
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"There is already a video session registered,"
" ignoring...\n");
}
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR, "Unsupported media type\n");
}
}
demuxer->stream->eof = 0;
return demuxer;
}
static void handle_stream(demuxer_t *demuxer, AVFormatContext *avfc, int i) {
lavf_priv_t *priv= demuxer->priv;
AVStream *st= avfc->streams[i];
AVCodecContext *codec= st->codec;
int g;
switch(codec->codec_type){
case CODEC_TYPE_AUDIO:{
WAVEFORMATEX *wf= calloc(sizeof(WAVEFORMATEX) + codec->extradata_size, 1);
sh_audio_t* sh_audio;
if(priv->audio_streams >= MAX_A_STREAMS)
break;
sh_audio=new_sh_audio(demuxer, i);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "lavf", i);
if(!sh_audio)
break;
priv->astreams[priv->audio_streams] = i;
priv->audio_streams++;
// mp4a tag is used for all mp4 files no matter what they actually contain
if(codec->codec_tag == MKTAG('m', 'p', '4', 'a'))
codec->codec_tag= 0;
if(codec->codec_id == CODEC_ID_ADPCM_IMA_AMV)
codec->codec_tag= MKTAG('A','M','V','A');
if(!codec->codec_tag)
codec->codec_tag= av_codec_get_tag(mp_wav_taglists, codec->codec_id);
wf->wFormatTag= codec->codec_tag;
wf->nChannels= codec->channels;
wf->nSamplesPerSec= codec->sample_rate;
wf->nAvgBytesPerSec= codec->bit_rate/8;
wf->nBlockAlign= codec->block_align ? codec->block_align : 1;
wf->wBitsPerSample= codec->bits_per_sample;
wf->cbSize= codec->extradata_size;
if(codec->extradata_size)
memcpy(wf + 1, codec->extradata, codec->extradata_size);
sh_audio->wf= wf;
sh_audio->audio.dwSampleSize= codec->block_align;
if(codec->frame_size && codec->sample_rate){
sh_audio->audio.dwScale=codec->frame_size;
sh_audio->audio.dwRate= codec->sample_rate;
}else{
sh_audio->audio.dwScale= codec->block_align ? codec->block_align*8 : 8;
sh_audio->audio.dwRate = codec->bit_rate;
}
g= ff_gcd(sh_audio->audio.dwScale, sh_audio->audio.dwRate);
sh_audio->audio.dwScale /= g;
sh_audio->audio.dwRate /= g;
// printf("sca:%d rat:%d fs:%d sr:%d ba:%d\n", sh_audio->audio.dwScale, sh_audio->audio.dwRate, codec->frame_size, codec->sample_rate, codec->block_align);
sh_audio->ds= demuxer->audio;
sh_audio->format= codec->codec_tag;
sh_audio->channels= codec->channels;
sh_audio->samplerate= codec->sample_rate;
sh_audio->i_bps= codec->bit_rate/8;
switch (codec->codec_id) {
case CODEC_ID_PCM_S8:
case CODEC_ID_PCM_U8:
sh_audio->samplesize = 1;
break;
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE:
sh_audio->samplesize = 2;
break;
case CODEC_ID_PCM_ALAW:
sh_audio->format = 0x6;
break;
case CODEC_ID_PCM_MULAW:
sh_audio->format = 0x7;
break;
}
if(mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf, MSGL_V);
if((audio_lang && st->language[0] && !strncmp(audio_lang, st->language, 3))
|| (demuxer->audio->id == i || demuxer->audio->id == -1)) {
demuxer->audio->id = i;
demuxer->audio->sh= demuxer->a_streams[i];
} else
st->discard= AVDISCARD_ALL;
break;
}
case CODEC_TYPE_VIDEO:{
sh_video_t* sh_video;
BITMAPINFOHEADER *bih;
if(priv->video_streams >= MAX_V_STREAMS)
break;
sh_video=new_sh_video(demuxer, i);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "lavf", i);
if(!sh_video) break;
priv->vstreams[priv->video_streams] = i;
priv->video_streams++;
bih=calloc(sizeof(BITMAPINFOHEADER) + codec->extradata_size,1);
if(!codec->codec_tag)
codec->codec_tag= av_codec_get_tag(mp_bmp_taglists, codec->codec_id);
bih->biSize= sizeof(BITMAPINFOHEADER) + codec->extradata_size;
bih->biWidth= codec->width;
bih->biHeight= codec->height;
bih->biBitCount= codec->bits_per_sample;
bih->biSizeImage = bih->biWidth * bih->biHeight * bih->biBitCount/8;
bih->biCompression= codec->codec_tag;
sh_video->bih= bih;
sh_video->disp_w= codec->width;
sh_video->disp_h= codec->height;
if (st->time_base.den) { /* if container has time_base, use that */
sh_video->video.dwRate= st->time_base.den;
sh_video->video.dwScale= st->time_base.num;
} else {
sh_video->video.dwRate= codec->time_base.den;
sh_video->video.dwScale= codec->time_base.num;
}
sh_video->fps=av_q2d(st->r_frame_rate);
sh_video->frametime=1/av_q2d(st->r_frame_rate);
sh_video->format=bih->biCompression;
sh_video->aspect=codec->width * codec->sample_aspect_ratio.num
/ (float)(codec->height * codec->sample_aspect_ratio.den);
sh_video->i_bps=codec->bit_rate/8;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"aspect= %d*%d/(%d*%d)\n",
codec->width, codec->sample_aspect_ratio.num,
codec->height, codec->sample_aspect_ratio.den);
sh_video->ds= demuxer->video;
if(codec->extradata_size)
memcpy(sh_video->bih + 1, codec->extradata, codec->extradata_size);
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V);
/*
short biPlanes;
int biXPelsPerMeter;
int biYPelsPerMeter;
int biClrUsed;
int biClrImportant;
*/
if(demuxer->video->id != i && demuxer->video->id != -1)
st->discard= AVDISCARD_ALL;
else{
demuxer->video->id = i;
demuxer->video->sh= demuxer->v_streams[i];
}
break;
}
case CODEC_TYPE_SUBTITLE:{
sh_sub_t* sh_sub;
if(priv->sub_streams >= MAX_S_STREAMS)
break;
/* only support text subtitles for now */
if(codec->codec_id != CODEC_ID_TEXT)
break;
sh_sub = new_sh_sub_sid(demuxer, i, priv->sub_streams);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_SubtitleID, "lavf", priv->sub_streams);
if(!sh_sub) break;
priv->sstreams[priv->sub_streams] = i;
sh_sub->type = 't';
demuxer->sub->sh = demuxer->s_streams[priv->sub_streams++];
break;
}
default:
st->discard= AVDISCARD_ALL;
}
}
int read_asf_header(demuxer_t *demuxer,struct asf_priv* asf){
int hdr_len = asf->header.objh.size - sizeof(asf->header);
int hdr_skip = 0;
char *hdr = NULL;
char guid_buffer[16];
int pos, start = stream_tell(demuxer->stream);
uint32_t* streams = NULL;
int audio_streams=0;
int video_streams=0;
uint16_t stream_count=0;
int best_video = -1;
int best_audio = -1;
uint64_t data_len;
ASF_stream_header_t *streamh;
uint8_t *buffer;
int audio_pos=0;
if(hdr_len < 0) {
mp_msg(MSGT_HEADER, MSGL_FATAL, "Header size is too small.\n");
return 0;
}
if (hdr_len > 1024 * 1024) {
mp_msg(MSGT_HEADER, MSGL_ERR, MSGTR_MPDEMUX_ASFHDR_HeaderSizeOver1MB,
hdr_len);
hdr_skip = hdr_len - 1024 * 1024;
hdr_len = 1024 * 1024;
}
hdr = malloc(hdr_len);
if (!hdr) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_HeaderMallocFailed,
hdr_len);
return 0;
}
stream_read(demuxer->stream, hdr, hdr_len);
if (hdr_skip)
stream_skip(demuxer->stream, hdr_skip);
if (stream_eof(demuxer->stream)) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_EOFWhileReadingHeader);
goto err_out;
}
if (is_drm(hdr, hdr_len))
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_DRMProtected);
if ((pos = find_asf_guid(hdr, asf_ext_stream_audio, 0, hdr_len)) >= 0)
{
// Special case: found GUID for dvr-ms audio.
// Now skip back to associated stream header.
int sh_pos=0;
sh_pos = find_backwards_asf_guid(hdr, asf_stream_header_guid, pos);
if (sh_pos > 0) {
sh_audio_t *sh_audio;
mp_msg(MSGT_HEADER, MSGL_V, "read_asf_header found dvr-ms audio stream header pos=%d\n", sh_pos);
// found audio stream header - following code reads header and
// initializes audio stream.
audio_pos = pos - 16 - 8;
streamh = (ASF_stream_header_t *)&hdr[sh_pos];
le2me_ASF_stream_header_t(streamh);
audio_pos += 64; //16+16+4+4+4+16+4;
buffer = &hdr[audio_pos];
sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL);
sh_audio->needs_parsing = 1;
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F);
++audio_streams;
if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &audio_pos, &buffer, hdr, hdr_len))
goto len_err_out;
if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 0))
goto len_err_out;
}
}
// find stream headers
// only reset pos if we didnt find dvr_ms audio stream
// if we did find it then we want to avoid reading its header twice
if (audio_pos == 0)
pos = 0;
while ((pos = find_asf_guid(hdr, asf_stream_header_guid, pos, hdr_len)) >= 0)
{
streamh = (ASF_stream_header_t *)&hdr[pos];
pos += sizeof(ASF_stream_header_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_stream_header_t(streamh);
mp_msg(MSGT_HEADER, MSGL_V, "stream type: %s\n",
asf_chunk_type(streamh->type));
mp_msg(MSGT_HEADER, MSGL_V, "stream concealment: %s\n",
asf_chunk_type(streamh->concealment));
mp_msg(MSGT_HEADER, MSGL_V, "type: %d bytes, stream: %d bytes ID: %d\n",
(int)streamh->type_size, (int)streamh->stream_size,
(int)streamh->stream_no);
mp_msg(MSGT_HEADER, MSGL_V, "unk1: %lX unk2: %X\n",
(unsigned long)streamh->unk1, (unsigned int)streamh->unk2);
mp_msg(MSGT_HEADER, MSGL_V, "FILEPOS=0x%X\n", pos + start);
// type-specific data:
buffer = &hdr[pos];
pos += streamh->type_size;
if (pos > hdr_len) goto len_err_out;
switch(ASF_LOAD_GUID_PREFIX(streamh->type)){
case ASF_GUID_PREFIX_audio_stream: {
sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F);
++audio_streams;
if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &pos, &buffer, hdr, hdr_len))
goto len_err_out;
//if(demuxer->audio->id==-1) demuxer->audio->id=streamh.stream_no & 0x7F;
break;
}
case ASF_GUID_PREFIX_video_stream: {
unsigned int len;
float asp_ratio;
sh_video_t* sh_video=new_sh_video(demuxer,streamh->stream_no & 0x7F);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "asfheader", streamh->stream_no & 0x7F);
len=streamh->type_size-(4+4+1+2);
++video_streams;
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
sh_video->bih=calloc((len<sizeof(*sh_video->bih))?sizeof(*sh_video->bih):len,1);
memcpy(sh_video->bih,&buffer[4+4+1+2],len);
le2me_BITMAPINFOHEADER(sh_video->bih);
if (sh_video->bih->biSize > len && sh_video->bih->biSize > sizeof(*sh_video->bih))
sh_video->bih->biSize = len;
if (sh_video->bih->biCompression == mmioFOURCC('D', 'V', 'R', ' ')) {
//mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_MPDEMUX_ASFHDR_DVRWantsLibavformat);
//sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale;
//sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate;
asf->asf_frame_state=-1;
asf->asf_frame_start_found=0;
asf->asf_is_dvr_ms=1;
asf->dvr_last_vid_pts=0.0;
} else asf->asf_is_dvr_ms=0;
if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 1))
goto len_err_out;
if (get_meta(hdr, hdr_len, streamh->stream_no, &asp_ratio)) {
sh_video->aspect = asp_ratio * sh_video->bih->biWidth /
sh_video->bih->biHeight;
}
sh_video->i_bps = asf->bps;
if( mp_msg_test(MSGT_DEMUX,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V);
//asf_video_id=streamh.stream_no & 0x7F;
//if(demuxer->video->id==-1) demuxer->video->id=streamh.stream_no & 0x7F;
break;
}
}
// stream-specific data:
// stream_read(demuxer->stream,(char*) buffer,streamh.stream_size);
}
// find file header
pos = find_asf_guid(hdr, asf_file_header_guid, 0, hdr_len);
if (pos >= 0) {
ASF_file_header_t *fileh = (ASF_file_header_t *)&hdr[pos];
pos += sizeof(ASF_file_header_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_file_header_t(fileh);
mp_msg(MSGT_HEADER, MSGL_V, "ASF: packets: %d flags: %d "
"max_packet_size: %d min_packet_size: %d max_bitrate: %d "
"preroll: %d\n",
(int)fileh->num_packets, (int)fileh->flags,
(int)fileh->min_packet_size, (int)fileh->max_packet_size,
(int)fileh->max_bitrate, (int)fileh->preroll);
asf->packetsize=fileh->max_packet_size;
asf->packet=malloc(asf->packetsize); // !!!
asf->packetrate=fileh->max_bitrate/8.0/(double)asf->packetsize;
asf->movielength=(fileh->play_duration-10000*fileh->preroll)/10000000.0;
}
// find content header
pos = find_asf_guid(hdr, asf_content_desc_guid, 0, hdr_len);
if (pos >= 0) {
ASF_content_description_t *contenth = (ASF_content_description_t *)&hdr[pos];
char *string=NULL;
uint16_t* wstring = NULL;
uint16_t len;
pos += sizeof(ASF_content_description_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_content_description_t(contenth);
mp_msg(MSGT_HEADER,MSGL_V,"\n");
// extract the title
if((len = contenth->title_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Title: %s\n", string);
demux_info_add(demuxer, "title", string);
free(string);
}
}
// extract the author
if((len = contenth->author_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Author: %s\n", string);
demux_info_add(demuxer, "author", string);
free(string);
}
}
// extract the copyright
if((len = contenth->copyright_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Copyright: %s\n", string);
demux_info_add(demuxer, "copyright", string);
free(string);
}
}
// extract the comment
if((len = contenth->comment_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Comment: %s\n", string);
demux_info_add(demuxer, "comments", string);
free(string);
}
}
// extract the rating
if((len = contenth->rating_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Rating: %s\n", string);
free(string);
}
}
mp_msg(MSGT_HEADER,MSGL_V,"\n");
}
// find content header
pos = find_asf_guid(hdr, asf_stream_group_guid, 0, hdr_len);
if (pos >= 0) {
int max_streams = (hdr_len - pos - 2) / 6;
uint16_t stream_id, i;
uint32_t max_bitrate;
char *ptr = &hdr[pos];
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == START ===\n");
if(max_streams <= 0) goto len_err_out;
stream_count = AV_RL16(ptr);
ptr += sizeof(uint16_t);
if(stream_count > max_streams) stream_count = max_streams;
if(stream_count > 0)
streams = malloc(2*stream_count*sizeof(uint32_t));
mp_msg(MSGT_HEADER,MSGL_V," stream count=[0x%x][%u]\n", stream_count, stream_count );
for( i=0 ; i<stream_count ; i++ ) {
stream_id = AV_RL16(ptr);
ptr += sizeof(uint16_t);
max_bitrate = AV_RL32(ptr);
ptr += sizeof(uint32_t);
mp_msg(MSGT_HEADER,MSGL_V," stream id=[0x%x][%u]\n", stream_id, stream_id );
mp_msg(MSGT_HEADER,MSGL_V," max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
streams[2*i] = stream_id;
streams[2*i+1] = max_bitrate;
}
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == END ===\n");
}
free(hdr);
hdr = NULL;
start = stream_tell(demuxer->stream); // start of first data chunk
stream_read(demuxer->stream, guid_buffer, 16);
if (memcmp(guid_buffer, asf_data_chunk_guid, 16) != 0) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_NoDataChunkAfterHeader);
free(streams);
streams = NULL;
return 0;
}
// read length of chunk
data_len = stream_read_qword_le(demuxer->stream);
demuxer->movi_start = stream_tell(demuxer->stream) + 26;
demuxer->movi_end = start + data_len;
mp_msg(MSGT_HEADER, MSGL_V, "Found movie at 0x%X - 0x%X\n",
(int)demuxer->movi_start, (int)demuxer->movi_end);
if(streams) {
// stream selection is done in the network code, it shouldn't be done here
// as the servers often do not care about what we requested.
#if 0
uint32_t vr = 0, ar = 0,i;
#ifdef CONFIG_NETWORKING
if( demuxer->stream->streaming_ctrl!=NULL ) {
if( demuxer->stream->streaming_ctrl->bandwidth!=0 && demuxer->stream->streaming_ctrl->data!=NULL ) {
best_audio = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->audio_id;
best_video = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->video_id;
}
} else
#endif
for(i = 0; i < stream_count; i++) {
uint32_t id = streams[2*i];
uint32_t rate = streams[2*i+1];
if(demuxer->v_streams[id] && rate > vr) {
vr = rate;
best_video = id;
} else if(demuxer->a_streams[id] && rate > ar) {
ar = rate;
best_audio = id;
}
}
#endif
free(streams);
streams = NULL;
}
mp_msg(MSGT_HEADER,MSGL_V,"ASF: %d audio and %d video streams found\n",audio_streams,video_streams);
if(!audio_streams) demuxer->audio->id=-2; // nosound
else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio;
if(!video_streams){
if(!audio_streams){
mp_msg(MSGT_HEADER,MSGL_ERR,MSGTR_MPDEMUX_ASFHDR_AudioVideoHeaderNotFound);
return 0;
}
demuxer->video->id=-2; // audio-only
} else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video;
#if 0
if( mp_msg_test(MSGT_HEADER,MSGL_V) ){
printf("ASF duration: %d\n",(int)fileh.duration);
printf("ASF start pts: %d\n",(int)fileh.start_timestamp);
printf("ASF end pts: %d\n",(int)fileh.end_timestamp);
}
#endif
return 1;
len_err_out:
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_InvalidLengthInASFHeader);
err_out:
if (hdr) free(hdr);
if (streams) free(streams);
return 0;
}
static demuxer_t* demux_open_mf(demuxer_t* demuxer) {
sh_video_t *sh_video = NULL;
mf_t *mf = NULL;
int i;
if(!demuxer->stream->url) return NULL;
if(strncmp(demuxer->stream->url, "mf://", 5)) return NULL;
mf=open_mf(demuxer->stream->url + 5);
if(!mf) return NULL;
if(!mf_type) {
char* p=strrchr(mf->names[0],'.');
if(!p) {
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! (try -mf type=xxx)\n" );
free( mf );
return NULL;
}
mf_type=strdup(p+1);
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! trying 'type=%s'...\n", mf_type);
}
demuxer->filepos=mf->curr_frame=0;
demuxer->movi_start = 0;
demuxer->movi_end = mf->nr_of_files - 1;
// create a new video stream header
sh_video = new_sh_video(demuxer, 0);
// make sure the demuxer knows about the new video stream header
// (even though new_sh_video() ought to take care of it)
demuxer->video->sh = sh_video;
// make sure that the video demuxer stream header knows about its
// parent video demuxer stream (this is getting wacky), or else
// video_read_properties() will choke
sh_video->ds = demuxer->video;
for (i = 0; type2format[i].type; i++)
if (strcasecmp(mf_type, type2format[i].type) == 0)
break;
if (!type2format[i].type) {
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] unknown input file type.\n" );
free(mf);
return NULL;
}
sh_video->format = type2format[i].format;
sh_video->disp_w = mf_w;
sh_video->disp_h = mf_h;
sh_video->fps = mf_fps;
sh_video->frametime = 1 / sh_video->fps;
// emulate BITMAPINFOHEADER:
sh_video->bih=malloc(sizeof(BITMAPINFOHEADER));
memset(sh_video->bih,0,sizeof(BITMAPINFOHEADER));
sh_video->bih->biSize=40;
sh_video->bih->biWidth = mf_w;
sh_video->bih->biHeight = mf_h;
sh_video->bih->biPlanes=1;
sh_video->bih->biBitCount=24;
sh_video->bih->biCompression=sh_video->format;
sh_video->bih->biSizeImage=sh_video->bih->biWidth*sh_video->bih->biHeight*3;
/* disable seeking */
// demuxer->seekable = 0;
demuxer->priv=(void*)mf;
return demuxer;
}
static demuxer_t* demux_open_lavf(demuxer_t *demuxer){
AVFormatContext *avfc;
AVFormatParameters ap;
AVOption *opt;
lavf_priv_t *priv= demuxer->priv;
int i,g;
char mp_filename[256]="mp:";
memset(&ap, 0, sizeof(AVFormatParameters));
stream_seek(demuxer->stream, 0);
register_protocol(&mp_protocol);
avfc = av_alloc_format_context();
if (correct_pts)
avfc->flags |= AVFMT_FLAG_GENPTS;
if (index_mode == 0)
avfc->flags |= AVFMT_FLAG_IGNIDX;
ap.prealloced_context = 1;
if(opt_probesize) {
double d = (double) opt_probesize;
opt = av_set_double(avfc, "probesize", opt_probesize);
if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option probesize to %.3f\r\n", d);
}
if(demuxer->stream->url)
strncpy(mp_filename + 3, demuxer->stream->url, sizeof(mp_filename)-3);
else
strncpy(mp_filename + 3, "foobar.dummy", sizeof(mp_filename)-3);
url_fopen(&priv->pb, mp_filename, URL_RDONLY);
((URLContext*)(priv->pb.opaque))->priv_data= demuxer->stream;
if(av_open_input_stream(&avfc, &priv->pb, mp_filename, priv->avif, &ap)<0){
mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_open_input_stream() failed\n");
return NULL;
}
priv->avfc= avfc;
if(av_find_stream_info(avfc) < 0){
mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_find_stream_info() failed\n");
return NULL;
}
if(avfc->title [0]) demux_info_add(demuxer, "name" , avfc->title );
if(avfc->author [0]) demux_info_add(demuxer, "author" , avfc->author );
if(avfc->copyright[0]) demux_info_add(demuxer, "copyright", avfc->copyright);
if(avfc->comment [0]) demux_info_add(demuxer, "comments" , avfc->comment );
if(avfc->album [0]) demux_info_add(demuxer, "album" , avfc->album );
// if(avfc->year ) demux_info_add(demuxer, "year" , avfc->year );
// if(avfc->track ) demux_info_add(demuxer, "track" , avfc->track );
if(avfc->genre [0]) demux_info_add(demuxer, "genre" , avfc->genre );
for(i=0; i<avfc->nb_streams; i++){
AVStream *st= avfc->streams[i];
AVCodecContext *codec= st->codec;
switch(codec->codec_type){
case CODEC_TYPE_AUDIO:{
WAVEFORMATEX *wf= calloc(sizeof(WAVEFORMATEX) + codec->extradata_size, 1);
sh_audio_t* sh_audio;
if(priv->audio_streams >= MAX_A_STREAMS)
break;
sh_audio=new_sh_audio(demuxer, i);
if(!sh_audio)
break;
priv->astreams[priv->audio_streams] = i;
priv->audio_streams++;
if(!codec->codec_tag)
codec->codec_tag= av_codec_get_tag(mp_wav_taglists, codec->codec_id);
wf->wFormatTag= codec->codec_tag;
wf->nChannels= codec->channels;
wf->nSamplesPerSec= codec->sample_rate;
wf->nAvgBytesPerSec= codec->bit_rate/8;
wf->nBlockAlign= codec->block_align ? codec->block_align : 1;
wf->wBitsPerSample= codec->bits_per_sample;
wf->cbSize= codec->extradata_size;
if(codec->extradata_size){
memcpy(
wf + 1,
codec->extradata,
codec->extradata_size);
}
sh_audio->wf= wf;
sh_audio->audio.dwSampleSize= codec->block_align;
if(codec->frame_size && codec->sample_rate){
sh_audio->audio.dwScale=codec->frame_size;
sh_audio->audio.dwRate= codec->sample_rate;
}else{
sh_audio->audio.dwScale= codec->block_align ? codec->block_align*8 : 8;
sh_audio->audio.dwRate = codec->bit_rate;
}
g= ff_gcd(sh_audio->audio.dwScale, sh_audio->audio.dwRate);
sh_audio->audio.dwScale /= g;
sh_audio->audio.dwRate /= g;
// printf("sca:%d rat:%d fs:%d sr:%d ba:%d\n", sh_audio->audio.dwScale, sh_audio->audio.dwRate, codec->frame_size, codec->sample_rate, codec->block_align);
sh_audio->ds= demuxer->audio;
sh_audio->format= codec->codec_tag;
sh_audio->channels= codec->channels;
sh_audio->samplerate= codec->sample_rate;
sh_audio->i_bps= codec->bit_rate/8;
switch (codec->codec_id) {
case CODEC_ID_PCM_S8:
case CODEC_ID_PCM_U8:
sh_audio->samplesize = 1;
break;
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE:
sh_audio->samplesize = 2;
break;
case CODEC_ID_PCM_ALAW:
sh_audio->format = 0x6;
break;
case CODEC_ID_PCM_MULAW:
sh_audio->format = 0x7;
break;
}
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf, MSGL_V);
if((audio_lang && st->language[0] && !strncmp(audio_lang, st->language, 3))
|| (demuxer->audio->id == i || demuxer->audio->id == -1)
) {
demuxer->audio->id = i;
demuxer->audio->sh= demuxer->a_streams[i];
}
else
st->discard= AVDISCARD_ALL;
break;}
case CODEC_TYPE_VIDEO:{
sh_video_t* sh_video;
BITMAPINFOHEADER *bih;
if(priv->video_streams >= MAX_V_STREAMS)
break;
sh_video=new_sh_video(demuxer, i);
if(!sh_video) break;
priv->vstreams[priv->video_streams] = i;
priv->video_streams++;
bih=calloc(sizeof(BITMAPINFOHEADER) + codec->extradata_size,1);
if(!codec->codec_tag)
codec->codec_tag= av_codec_get_tag(mp_bmp_taglists, codec->codec_id);
bih->biSize= sizeof(BITMAPINFOHEADER) + codec->extradata_size;
bih->biWidth= codec->width;
bih->biHeight= codec->height;
bih->biBitCount= codec->bits_per_sample;
bih->biSizeImage = bih->biWidth * bih->biHeight * bih->biBitCount/8;
bih->biCompression= codec->codec_tag;
sh_video->bih= bih;
sh_video->disp_w= codec->width;
sh_video->disp_h= codec->height;
if (st->time_base.den) { /* if container has time_base, use that */
sh_video->video.dwRate= st->time_base.den;
sh_video->video.dwScale= st->time_base.num;
} else {
sh_video->video.dwRate= codec->time_base.den;
sh_video->video.dwScale= codec->time_base.num;
}
sh_video->fps=av_q2d(st->r_frame_rate);
sh_video->frametime=1/av_q2d(st->r_frame_rate);
sh_video->format = bih->biCompression;
sh_video->aspect= codec->width * codec->sample_aspect_ratio.num
/ (float)(codec->height * codec->sample_aspect_ratio.den);
sh_video->i_bps= codec->bit_rate/8;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"aspect= %d*%d/(%d*%d)\n",
codec->width, codec->sample_aspect_ratio.num,
codec->height, codec->sample_aspect_ratio.den);
sh_video->ds= demuxer->video;
if(codec->extradata_size)
memcpy(sh_video->bih + 1, codec->extradata, codec->extradata_size);
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V);
/* short biPlanes;
int biXPelsPerMeter;
int biYPelsPerMeter;
int biClrUsed;
int biClrImportant;*/
if(demuxer->video->id != i && demuxer->video->id != -1)
st->discard= AVDISCARD_ALL;
else{
demuxer->video->id = i;
demuxer->video->sh= demuxer->v_streams[i];
}
break;}
default:
st->discard= AVDISCARD_ALL;
}
}
mp_msg(MSGT_HEADER,MSGL_V,"LAVF: %d audio and %d video streams found\n",priv->audio_streams,priv->video_streams);
mp_msg(MSGT_HEADER,MSGL_V,"LAVF: build %d\n", LIBAVFORMAT_BUILD);
if(!priv->audio_streams) demuxer->audio->id=-2; // nosound
// else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio;
if(!priv->video_streams){
if(!priv->audio_streams){
mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF: no audio or video headers found - broken file?\n");
return NULL;
}
demuxer->video->id=-2; // audio-only
} //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video;
return demuxer;
}
static demuxer_t* demux_open_y4m(demuxer_t* demuxer){
y4m_priv_t* priv = demuxer->priv;
y4m_ratio_t ratio;
sh_video_t* sh=new_sh_video(demuxer,0);
int err;
priv->framenum = 0;
priv->si = malloc(sizeof(y4m_stream_info_t));
if (priv->is_older)
{
char buf[4];
int frame_rate_code;
stream_skip(demuxer->stream, 8); /* YUV4MPEG */
stream_skip(demuxer->stream, 1); /* space */
stream_read(demuxer->stream, (char *)&buf[0], 3);
buf[3] = 0;
sh->disp_w = atoi(buf);
stream_skip(demuxer->stream, 1); /* space */
stream_read(demuxer->stream, (char *)&buf[0], 3);
buf[3] = 0;
sh->disp_h = atoi(buf);
stream_skip(demuxer->stream, 1); /* space */
stream_read(demuxer->stream, (char *)&buf[0], 1);
buf[1] = 0;
frame_rate_code = atoi(buf);
stream_skip(demuxer->stream, 1); /* new-line */
if (!sh->fps)
{
/* values from xawtv */
switch(frame_rate_code)
{
case 1:
sh->fps = 23.976f;
break;
case 2:
sh->fps = 24.0f;
break;
case 3:
sh->fps = 25.0f;
break;
case 4:
sh->fps = 29.97f;
break;
case 5:
sh->fps = 30.0f;
break;
case 6:
sh->fps = 50.0f;
break;
case 7:
sh->fps = 59.94f;
break;
case 8:
sh->fps = 60.0f;
break;
default:
sh->fps = 25.0f;
}
}
sh->frametime = 1.0f/sh->fps;
}
else
{
y4m_init_stream_info(priv->si);
if ((err=y4m_read_stream_header(demuxer->stream, priv->si)) != Y4M_OK)
mp_msg(MSGT_DEMUXER, MSGL_FATAL, "error parsing YUV4MPEG header: %s\n", y4m_strerr(err));
if(!sh->fps) {
ratio = y4m_si_get_framerate(priv->si);
if (ratio.d != 0)
sh->fps=(float)ratio.n/(float)ratio.d;
else
sh->fps=15.0f;
}
sh->frametime=1.0f/sh->fps;
ratio = y4m_si_get_sampleaspect(priv->si);
sh->disp_w = y4m_si_get_width(priv->si);
sh->disp_h = y4m_si_get_height(priv->si);
if (ratio.d != 0 && ratio.n != 0)
sh->aspect = (float)(sh->disp_w*ratio.n)/(float)(sh->disp_h*ratio.d);
demuxer->seekable = 0;
}
sh->format = mmioFOURCC('Y', 'V', '1', '2');
sh->bih=malloc(sizeof(BITMAPINFOHEADER));
memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
sh->bih->biSize=40;
sh->bih->biWidth = sh->disp_w;
sh->bih->biHeight = sh->disp_h;
sh->bih->biPlanes=3;
sh->bih->biBitCount=12;
sh->bih->biCompression=sh->format;
sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight*3/2; /* YV12 */
demuxer->video->sh=sh;
sh->ds=demuxer->video;
demuxer->video->id=0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "YUV4MPEG2 Video stream %d size: display: %dx%d, codec: %ux%u\n",
demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
sh->bih->biHeight);
return demuxer;
}
static demuxer_t* demux_dshow_open (demuxer_t *demuxer)
{
sh_video_t *sh_video;
sh_audio_t *sh_audio;
stream_pos = 0;
last_vpts = 0;
b_stopped = 0;
b_vfinished = 0;
b_afinished = 0;
b_firstframe = 1;
b_firstaframe = 1;
g_vpkg.pData = NULL;
g_apkg.pData = NULL;
apkg_buf = NULL;
apkg_buf_size = 0;
if(AudioInfo.demuxer)
demux_info_add(demuxer, "DShow Demuxer", AudioInfo.demuxer);
if(VideoInfo.haveVideo) {
if (VideoInfo.avgtimeperframe < 10000)
VideoInfo.avgtimeperframe = 400000;
sh_video = new_sh_video(demuxer, 0);
if (demuxer->video->id == -1) demuxer->video->id = 0;
if (demuxer->video->id == 0)
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
sh_video->disp_w = VideoInfo.width;
sh_video->disp_h = VideoInfo.height;
sh_video->format = mmioFOURCC('Y', 'V', '1', '2');
sh_video->frametime = (float)(VideoInfo.avgtimeperframe/1E7);
sh_video->fps = 1.0 / sh_video->frametime;
sh_video->bih = calloc (1, sizeof (BITMAPINFOHEADER));
sh_video->bih->biSize = sizeof (BITMAPINFOHEADER);
sh_video->bih->biWidth = VideoInfo.width;
sh_video->bih->biHeight = VideoInfo.height;
sh_video->bih->biBitCount = 12;
sh_video->bih->biSizeImage = sh_video->bih->biWidth * sh_video->bih->biHeight * sh_video->bih->biBitCount/8;
sh_video->bih->biCompression = sh_video->format;
if(VideoInfo.videoDecoder)
demux_info_add(demuxer, "DShow Video", VideoInfo.videoDecoder);
if(VideoInfo.aspectX > 1 && VideoInfo.aspectY > 1)
sh_video->aspect = (float)VideoInfo.width*(float)VideoInfo.aspectX/((float)VideoInfo.height*(float)VideoInfo.aspectY);
}
if(AudioInfo.haveAudio) {
sh_audio = new_sh_audio_aid(demuxer, 0, 0, NULL);
demuxer->audio->id = 0;
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
sh_audio->wf = malloc (sizeof (WAVEFORMATEX));
memset(sh_audio->wf, 0, sizeof (WAVEFORMATEX));
if(AudioInfo.audioDecoder) {
if(AudioInfo.wFormatTag == 0xfffe && !strcmp(AudioInfo.audioDecoder, "Microsoft DTV-DVD Audio Decoder"))
AudioInfo.wFormatTag = 0x3;
demux_info_add(demuxer, "DShow Audio", AudioInfo.audioDecoder);
}
sh_audio->format = sh_audio->wf->wFormatTag = AudioInfo.wFormatTag;
sh_audio->channels = sh_audio->wf->nChannels = AudioInfo.nChannels;
sh_audio->samplerate = sh_audio->wf->nSamplesPerSec = AudioInfo.nSamplesPerSec;
sh_audio->wf->wBitsPerSample = AudioInfo.wBitsPerSample;
sh_audio->wf->nBlockAlign = sh_audio->channels * sh_audio->wf->wBitsPerSample / 8;
sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nBlockAlign * sh_audio->samplerate;
sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec;
}
duration = GetGraphDuration(g_pdgi);
hWaitVSend = CreateEventA(NULL, FALSE, FALSE, NULL);
hWaitASend = CreateEventA(NULL, FALSE, FALSE, NULL);
hWaitVDec = CreateEventA(NULL, FALSE, FALSE, NULL);
hWaitADec = CreateEventA(NULL, FALSE, FALSE, NULL);
StartGraph(g_pdgi);
return demuxer;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_lmlm4_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
{
FrameInfo frameInfo;
double pts;
int id=1;
int ret;
//hdr:
demux->filepos = stream_tell(demux->stream);
mp_msg(MSGT_DEMUX, MSGL_DBG2, "fpos = %"PRId64"\n", (int64_t)demux->filepos);
ret=getFrame(demux, &frameInfo);
if(ret<=0) return ret; // EOF/error
pts=demux->video->sh ? frames*((sh_video_t*)(demux->video->sh))->frametime : 0;
switch(frameInfo.frameType) {
case FRAMETYPE_AUDIO_MPEG1L2:
mp_dbg(MSGT_DEMUX, MSGL_DBG2, "Audio Packet\n");
if (!video)
{
stream_skip(demux->stream, frameInfo.frameSize + frameInfo.paddingSize);
mp_msg(MSGT_DEMUX, MSGL_V, "Skip Audio Packet\n");
return -1; //goto hdr;
}
if(demux->audio->id==-1) {
if(!demux->a_streams[id]) new_sh_audio(demux,id, NULL);
demux->audio->id=id;
demux->audio->sh=demux->a_streams[id];
((sh_audio_t*)(demux->audio->sh))->format=0x50; // mpeg audio layer 1/2
}
if(demux->audio->id==id)
ds_read_packet(demux->audio, demux->stream, frameInfo.frameSize,
pts, demux->filepos, 0);
else
stream_skip(demux->stream,frameInfo.frameSize);
break;
case FRAMETYPE_I:
if (!video) {
video = 1;
mp_dbg(MSGT_DEMUX, MSGL_DBG2, "First Video Packet\n");
}
case FRAMETYPE_P:
frames=(frames+1)&(1024*1024-1); // wrap around at 4 hrs to avoid inaccurate float calculations
if (!video)
{
stream_skip(demux->stream, frameInfo.frameSize + frameInfo.paddingSize);
mp_msg(MSGT_DEMUX, MSGL_V, "Skip Video P Packet\n");
return -1; //goto hdr;
}
mp_dbg(MSGT_DEMUX, MSGL_DBG2, "Video Packet\n");
if(demux->video->id==-1) {
if(!demux->v_streams[id]) new_sh_video(demux,id);
demux->video->id=id;
demux->video->sh=demux->v_streams[id];
((sh_video_t*)(demux->video->sh))->format=0x10000004; // mpeg4-ES
}
if(demux->video->id==id)
ds_read_packet(demux->video, demux->stream, frameInfo.frameSize,
pts, demux->filepos, 0);
break;
default:
stream_skip(demux->stream,frameInfo.frameSize);
}
stream_skip(demux->stream, frameInfo.paddingSize);
return 1;
}
static demuxer_t* demux_open_smjpeg(demuxer_t* demuxer){
sh_video_t* sh_video;
sh_audio_t* sh_audio;
unsigned int htype = 0, hleng;
int i = 0;
/* file header */
stream_skip(demuxer->stream, 8); /* \x00\x0aSMJPEG */
stream_skip(demuxer->stream, 4);
mp_msg(MSGT_DEMUX, MSGL_INFO, "This clip is %d seconds\n",
stream_read_dword(demuxer->stream));
/* stream header */
while (i < 3)
{
i++;
htype = stream_read_dword_le(demuxer->stream);
if (htype == mmioFOURCC('H','E','N','D'))
break;
hleng = (stream_read_word(demuxer->stream)<<16)|stream_read_word(demuxer->stream);
switch(htype)
{
case mmioFOURCC('_','V','I','D'):
sh_video = new_sh_video(demuxer, 0);
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
sh_video->bih = malloc(sizeof(BITMAPINFOHEADER));
memset(sh_video->bih, 0, sizeof(BITMAPINFOHEADER));
stream_skip(demuxer->stream, 4); /* number of frames */
// sh_video->fps = 24;
// sh_video->frametime = 1.0f/sh_video->fps;
sh_video->disp_w = stream_read_word(demuxer->stream);
sh_video->disp_h = stream_read_word(demuxer->stream);
sh_video->format = stream_read_dword_le(demuxer->stream);
/* these are false values */
sh_video->bih->biSize = 40;
sh_video->bih->biWidth = sh_video->disp_w;
sh_video->bih->biHeight = sh_video->disp_h;
sh_video->bih->biPlanes = 3;
sh_video->bih->biBitCount = 12;
sh_video->bih->biCompression = sh_video->format;
sh_video->bih->biSizeImage = sh_video->disp_w*sh_video->disp_h;
break;
case mmioFOURCC('_','S','N','D'):
sh_audio = new_sh_audio(demuxer, 0);
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
sh_audio->samplerate = stream_read_word(demuxer->stream);
sh_audio->wf->wBitsPerSample = stream_read_char(demuxer->stream);
sh_audio->channels = stream_read_char(demuxer->stream);
sh_audio->format = stream_read_dword_le(demuxer->stream);
sh_audio->wf->wFormatTag = sh_audio->format;
sh_audio->wf->nChannels = sh_audio->channels;
sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
sh_audio->wf->nBlockAlign = sh_audio->channels *2;
sh_audio->wf->cbSize = 0;
break;
case mmioFOURCC('_','T','X','T'):
stream_skip(demuxer->stream, stream_read_dword(demuxer->stream));
break;
}
}
demuxer->seekable = 0;
return demuxer;
}
static demuxer_t* demux_open_lmlm4(demuxer_t* demuxer) {
sh_audio_t *sh_audio=NULL;
sh_video_t *sh_video=NULL;
#if 0
sh_video_t* sh_video;
sh_audio_t* sh_audio;
unsigned int htype = 0, hleng;
int i = 0;
sh_video = new_sh_video(demuxer, 0);
demuxer->video->sh = sh_video;
sh_video->ds = demuxer->video;
sh_video->disp_w = 640;
sh_video->disp_h = 480;
sh_video->format = mmioFOURCC('D','I','V','X');
sh_video->bih = calloc(1, sizeof(*sh_video->bih));
/* these are false values */
sh_video->bih->biSize = 40;
sh_video->bih->biWidth = sh_video->disp_w;
sh_video->bih->biHeight = sh_video->disp_h;
sh_video->bih->biPlanes = 3;
sh_video->bih->biBitCount = 16;
sh_video->bih->biCompression = sh_video->format;
sh_video->bih->biSizeImage = sh_video->disp_w*sh_video->disp_h;
sh_audio = new_sh_audio(demuxer, 0, NULL);
demuxer->audio->sh = sh_audio;
sh_audio->ds = demuxer->audio;
sh_audio->wf = calloc(1, sizeof(*sh_audio->wf));
sh_audio->samplerate = 48000;
sh_audio->wf->wBitsPerSample = 16;
sh_audio->channels = 2;
sh_audio->format = 0x50;
sh_audio->wf->wFormatTag = sh_audio->format;
sh_audio->wf->nChannels = sh_audio->channels;
sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
sh_audio->wf->nBlockAlign = sh_audio->channels *2;
sh_audio->wf->cbSize = 0;
#endif
demuxer->seekable = 0;
if(!ds_fill_buffer(demuxer->video)) {
mp_msg(MSGT_DEMUXER,MSGL_INFO,"LMLM4: " MSGTR_MissingVideoStream);
demuxer->video->sh=NULL;
} else {
sh_video=demuxer->video->sh;
sh_video->ds=demuxer->video;
}
if(demuxer->audio->id!=-2) {
if(!ds_fill_buffer(demuxer->audio)) {
mp_msg(MSGT_DEMUXER,MSGL_INFO,"LMLM4: " MSGTR_MissingAudioStream);
demuxer->audio->sh=NULL;
} else {
sh_audio=demuxer->audio->sh;
sh_audio->ds=demuxer->audio;
}
}
return demuxer;
}
void read_avi_header(demuxer_t *demuxer,int index_mode){
sh_audio_t *sh_audio=NULL;
sh_video_t *sh_video=NULL;
int stream_id=-1;
int idxfix_videostream=0;
int idxfix_divx=0;
avi_priv_t* priv=demuxer->priv;
off_t list_end=0;
//---- AVI header:
priv->idx_size=0;
priv->audio_streams=0;
while(1){
int id=stream_read_dword_le(demuxer->stream);
unsigned chunksize,size2;
static int last_fccType=0;
static int last_fccHandler=0;
char* hdr=NULL;
//
if(stream_eof(demuxer->stream)) break;
// Imply -forceidx if -saveidx is specified
if (index_file_save)
index_mode = 2;
//
if(id==mmioFOURCC('L','I','S','T')){
unsigned len=stream_read_dword_le(demuxer->stream); // list size
id=stream_read_dword_le(demuxer->stream); // list type
mp_msg(MSGT_HEADER,MSGL_DBG2,"LIST %.4s len=%u\n",(char *) &id,len);
if(len >= 4) {
len -= 4;
list_end=stream_tell(demuxer->stream)+((len+1)&(~1));
} else {
mp_msg(MSGT_HEADER,MSGL_WARN,MSGTR_MPDEMUX_AVIHDR_EmptyList);
list_end = 0;
}
mp_msg(MSGT_HEADER,MSGL_V,"list_end=0x%X\n",(int)list_end);
if(id==listtypeAVIMOVIE){
// found MOVI header
if(!demuxer->movi_start) demuxer->movi_start=stream_tell(demuxer->stream);
demuxer->movi_end=stream_tell(demuxer->stream)+len;
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundMovieAt,(int)demuxer->movi_start,(int)demuxer->movi_end);
if(demuxer->stream->end_pos>demuxer->movi_end) demuxer->movi_end=demuxer->stream->end_pos;
if(index_mode==-2 || index_mode==2 || index_mode==0)
break; // reading from non-seekable source (stdin) or forced index or no index forced
if(list_end>0) stream_seek(demuxer->stream,list_end); // skip movi
list_end=0;
}
continue;
}
size2=stream_read_dword_le(demuxer->stream);
mp_msg(MSGT_HEADER,MSGL_DBG2,"CHUNK %.4s len=%u\n",(char *) &id,size2);
chunksize=(size2+1)&(~1);
switch(id){
// Indicates where the subject of the file is archived
case mmioFOURCC('I','A','R','L'): hdr="Archival Location";break;
// Lists the artist of the original subject of the file;
// for example, "Michaelangelo."
case mmioFOURCC('I','A','R','T'): hdr="Artist";break;
// Lists the name of the person or organization that commissioned
// the subject of the file; for example "Pope Julian II."
case mmioFOURCC('I','C','M','S'): hdr="Commissioned";break;
// Provides general comments about the file or the subject
// of the file. If the comment is several sentences long, end each
// sentence with a period. Do not include new-line characters.
case mmioFOURCC('I','C','M','T'): hdr="Comments";break;
// Records the copyright information for the file; for example,
// "Copyright Encyclopedia International 1991." If there are multiple
// copyrights, separate them by semicolon followed by a space.
case mmioFOURCC('I','C','O','P'): hdr="Copyright";break;
// Describes whether an image has been cropped and, if so, how it
// was cropped; for example, "lower-right corner."
case mmioFOURCC('I','C','R','D'): hdr="Creation Date";break;
// Describes whether an image has been cropped and, if so, how it
// was cropped; for example, "lower-right corner."
case mmioFOURCC('I','C','R','P'): hdr="Cropped";break;
// Specifies the size of the original subject of the file; for
// example, "8.5 in h, 11 in w."
case mmioFOURCC('I','D','I','M'): hdr="Dimensions";break;
// Stores dots per inch setting of the digitizer used to
// produce the file, such as "300."
case mmioFOURCC('I','D','P','I'): hdr="Dots Per Inch";break;
// Stores the of the engineer who worked on the file. If there are
// multiple engineers, separate the names by a semicolon and a blank;
// for example, "Smith, John; Adams, Joe."
case mmioFOURCC('I','E','N','G'): hdr="Engineer";break;
// Describes the original work, such as "landscape,", "portrait,"
// "still liefe," etc.
case mmioFOURCC('I','G','N','R'): hdr="Genre";break;
// Provides a list of keywords that refer to the file or subject of the
// file. Separate multiple keywords with a semicolon and a blank;
// for example, "Seattle, aerial view; scenery."
case mmioFOURCC('I','K','E','Y'): hdr="Keywords";break;
// ILGT - Describes the changes in the lightness settings on the digitizer
// required to produce the file. Note that the format of this information
// depends on the hardware used.
case mmioFOURCC('I','L','G','T'): hdr="Lightness";break;
// IMED - Decribes the original subject of the file, such as
// "computer image," "drawing," "lithograph," and so on.
case mmioFOURCC('I','M','E','D'): hdr="Medium";break;
// INAM - Stores the title of the subject of the file, such as
// "Seattle from Above."
case mmioFOURCC('I','N','A','M'): hdr="Title";break;
// IPLT - Specifies the number of colors requested when digitizing
// an image, such as "256."
case mmioFOURCC('I','P','L','T'): hdr="Palette Setting";break;
// IPRD - Specifies the name of title the file was originally intended
// for, such as "Encyclopedia of Pacific Northwest Geography."
case mmioFOURCC('I','P','R','D'): hdr="Product";break;
// ISBJ - Decsribes the contents of the file, such as
// "Aerial view of Seattle."
case mmioFOURCC('I','S','B','J'): hdr="Subject";break;
// ISFT - Identifies the name of the software packages used to create the
// file, such as "Microsoft WaveEdit"
case mmioFOURCC('I','S','F','T'): hdr="Software";break;
// ISHP - Identifies the change in sharpness for the digitizer
// required to produce the file (the format depends on the hardware used).
case mmioFOURCC('I','S','H','P'): hdr="Sharpness";break;
// ISRC - Identifies the name of the person or organization who
// suplied the original subject of the file; for example, "Try Research."
case mmioFOURCC('I','S','R','C'): hdr="Source";break;
// ISRF - Identifies the original form of the material that was digitized,
// such as "slide," "paper," "map," and so on. This is not necessarily
// the same as IMED
case mmioFOURCC('I','S','R','F'): hdr="Source Form";break;
// ITCH - Identifies the technician who digitized the subject file;
// for example, "Smith, John."
case mmioFOURCC('I','T','C','H'): hdr="Technician";break;
case mmioFOURCC('I','S','M','P'): hdr="Time Code";break;
case mmioFOURCC('I','D','I','T'): hdr="Digitization Time";break;
case ckidAVIMAINHDR: // read 'avih'
stream_read(demuxer->stream,(char*) &avih,FFMIN(size2,sizeof(avih)));
le2me_MainAVIHeader(&avih); // swap to machine endian
chunksize-=FFMIN(size2,sizeof(avih));
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_avih(&avih,MSGL_V); // else print_avih_flags(&avih,MSGL_V);
break;
case ckidSTREAMHEADER: { // read 'strh'
AVIStreamHeader h;
stream_read(demuxer->stream,(char*) &h,FFMIN(size2,sizeof(h)));
le2me_AVIStreamHeader(&h); // swap to machine endian
chunksize-=FFMIN(size2,sizeof(h));
++stream_id;
if(h.fccType==streamtypeVIDEO){
sh_video=new_sh_video(demuxer,stream_id);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "aviheader", stream_id);
memcpy(&sh_video->video,&h,sizeof(h));
sh_video->stream_delay = (float)sh_video->video.dwStart * sh_video->video.dwScale/sh_video->video.dwRate;
} else
if(h.fccType==streamtypeAUDIO){
sh_audio=new_sh_audio(demuxer,stream_id);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "aviheader", stream_id);
memcpy(&sh_audio->audio,&h,sizeof(h));
sh_audio->stream_delay = (float)sh_audio->audio.dwStart * sh_audio->audio.dwScale/sh_audio->audio.dwRate;
}
last_fccType=h.fccType;
last_fccHandler=h.fccHandler;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_strh(&h,MSGL_V);
break; }
case mmioFOURCC('i', 'n', 'd', 'x'): {
uint32_t i;
avisuperindex_chunk *s;
if(!index_mode) break;
if(chunksize<=24){
break;
}
priv->suidx_size++;
priv->suidx = realloc_struct(priv->suidx, priv->suidx_size, sizeof (avisuperindex_chunk));
s = &priv->suidx[priv->suidx_size-1];
chunksize-=24;
memcpy(s->fcc, "indx", 4);
s->dwSize = size2;
s->wLongsPerEntry = stream_read_word_le(demuxer->stream);
s->bIndexSubType = stream_read_char(demuxer->stream);
s->bIndexType = stream_read_char(demuxer->stream);
s->nEntriesInUse = stream_read_dword_le(demuxer->stream);
*(uint32_t *)s->dwChunkId = stream_read_dword_le(demuxer->stream);
stream_read(demuxer->stream, (char *)s->dwReserved, 3*4);
memset(s->dwReserved, 0, 3*4);
print_avisuperindex_chunk(s,MSGL_V);
// Check and fix this useless crap
if(s->wLongsPerEntry != sizeof (avisuperindex_entry)/4) {
mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk size: %u\n",s->wLongsPerEntry);
s->wLongsPerEntry = sizeof(avisuperindex_entry)/4;
}
if( ((chunksize/4)/s->wLongsPerEntry) < s->nEntriesInUse){
mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk\n");
s->nEntriesInUse = (chunksize/4)/s->wLongsPerEntry;
}
s->aIndex = calloc(s->nEntriesInUse, sizeof (avisuperindex_entry));
s->stdidx = calloc(s->nEntriesInUse, sizeof (avistdindex_chunk));
// now the real index of indices
for (i=0; i<s->nEntriesInUse; i++) {
chunksize-=16;
s->aIndex[i].qwOffset = stream_read_qword_le(demuxer->stream);
s->aIndex[i].dwSize = stream_read_dword_le(demuxer->stream);
s->aIndex[i].dwDuration = stream_read_dword_le(demuxer->stream);
mp_msg (MSGT_HEADER, MSGL_V, "ODML (%.4s): [%d] 0x%016"PRIx64" 0x%04x %u\n",
(s->dwChunkId), i,
(uint64_t)s->aIndex[i].qwOffset, s->aIndex[i].dwSize, s->aIndex[i].dwDuration);
}
break; }
case ckidSTREAMFORMAT: { // read 'strf'
if(last_fccType==streamtypeVIDEO){
sh_video->bih=calloc(FFMAX(chunksize, sizeof(BITMAPINFOHEADER)), 1);
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundBitmapInfoHeader,chunksize,sizeof(BITMAPINFOHEADER));
stream_read(demuxer->stream,(char*) sh_video->bih,chunksize);
le2me_BITMAPINFOHEADER(sh_video->bih); // swap to machine endian
if (sh_video->bih->biSize > chunksize && sh_video->bih->biSize > sizeof(BITMAPINFOHEADER))
sh_video->bih->biSize = chunksize;
// fixup MS-RLE header (seems to be broken for <256 color files)
if(sh_video->bih->biCompression<=1 && sh_video->bih->biSize==40)
sh_video->bih->biSize=chunksize;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih,MSGL_V);
chunksize=0;
sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale;
sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate;
sh_video->format = sh_video->bih->biCompression;
// if(demuxer->video->id==-1) demuxer->video->id=stream_id;
// IdxFix:
idxfix_videostream=stream_id;
switch(sh_video->bih->biCompression){
case mmioFOURCC('M', 'P', 'G', '4'):
case mmioFOURCC('m', 'p', 'g', '4'):
case mmioFOURCC('D', 'I', 'V', '1'):
idxfix_divx=3; // set index recovery mpeg4 flavour: msmpeg4v1
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPG4V1);
break;
case mmioFOURCC('D', 'I', 'V', '3'):
case mmioFOURCC('d', 'i', 'v', '3'):
case mmioFOURCC('D', 'I', 'V', '4'):
case mmioFOURCC('d', 'i', 'v', '4'):
case mmioFOURCC('D', 'I', 'V', '5'):
case mmioFOURCC('d', 'i', 'v', '5'):
case mmioFOURCC('D', 'I', 'V', '6'):
case mmioFOURCC('d', 'i', 'v', '6'):
case mmioFOURCC('M', 'P', '4', '3'):
case mmioFOURCC('m', 'p', '4', '3'):
case mmioFOURCC('M', 'P', '4', '2'):
case mmioFOURCC('m', 'p', '4', '2'):
case mmioFOURCC('D', 'I', 'V', '2'):
case mmioFOURCC('A', 'P', '4', '1'):
idxfix_divx=1; // set index recovery mpeg4 flavour: msmpeg4v3
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForDIVX3);
break;
case mmioFOURCC('D', 'I', 'V', 'X'):
case mmioFOURCC('d', 'i', 'v', 'x'):
case mmioFOURCC('D', 'X', '5', '0'):
case mmioFOURCC('X', 'V', 'I', 'D'):
case mmioFOURCC('x', 'v', 'i', 'd'):
case mmioFOURCC('F', 'M', 'P', '4'):
case mmioFOURCC('f', 'm', 'p', '4'):
idxfix_divx=2; // set index recovery mpeg4 flavour: generic mpeg4
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPEG4);
break;
}
} else
if(last_fccType==streamtypeAUDIO){
unsigned wf_size = chunksize<sizeof(WAVEFORMATEX)?sizeof(WAVEFORMATEX):chunksize;
sh_audio->wf=calloc(wf_size,1);
// sh_audio->wf=malloc(chunksize); memset(sh_audio->wf,0,chunksize);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundWaveFmt,chunksize,sizeof(WAVEFORMATEX));
stream_read(demuxer->stream,(char*) sh_audio->wf,chunksize);
le2me_WAVEFORMATEX(sh_audio->wf);
if (sh_audio->wf->cbSize != 0 &&
wf_size < sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize) {
sh_audio->wf=realloc(sh_audio->wf, sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize);
}
sh_audio->format=sh_audio->wf->wFormatTag;
if (sh_audio->format == 1 &&
last_fccHandler == mmioFOURCC('A', 'x', 'a', 'n'))
sh_audio->format = last_fccHandler;
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
chunksize=0;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf,MSGL_V);
++priv->audio_streams;
// if(demuxer->audio->id==-1) demuxer->audio->id=stream_id;
}
break;
}
case mmioFOURCC('v', 'p', 'r', 'p'): {
VideoPropHeader *vprp = malloc(chunksize);
unsigned int i;
stream_read(demuxer->stream, (void*)vprp, chunksize);
le2me_VideoPropHeader(vprp);
chunksize -= sizeof(*vprp)-sizeof(vprp->FieldInfo);
chunksize /= sizeof(VIDEO_FIELD_DESC);
if (vprp->nbFieldPerFrame > chunksize) {
vprp->nbFieldPerFrame = chunksize;
}
chunksize = 0;
for (i=0; i<vprp->nbFieldPerFrame; i++) {
le2me_VIDEO_FIELD_DESC(&vprp->FieldInfo[i]);
}
if (sh_video) {
sh_video->aspect = GET_AVI_ASPECT(vprp->dwFrameAspectRatio);
}
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_vprp(vprp,MSGL_V);
free(vprp);
break;
}
case mmioFOURCC('d', 'm', 'l', 'h'): {
// dmlh 00 00 00 04 frms
unsigned int total_frames = stream_read_dword_le(demuxer->stream);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundAVIV2Header, chunksize, total_frames);
stream_skip(demuxer->stream, chunksize-4);
chunksize = 0;
}
break;
case ckidAVINEWINDEX:
if(demuxer->movi_end>stream_tell(demuxer->stream))
demuxer->movi_end=stream_tell(demuxer->stream); // fixup movi-end
if(index_mode && !priv->isodml){
int i;
priv->idx_size=size2>>4;
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_ReadingIndexBlockChunksForFrames,
priv->idx_size,avih.dwTotalFrames, (int64_t)stream_tell(demuxer->stream));
priv->idx=malloc(priv->idx_size<<4);
// printf("\nindex to %p !!!!! (priv=%p)\n",priv->idx,priv);
stream_read(demuxer->stream,(char*)priv->idx,priv->idx_size<<4);
for (i = 0; i < priv->idx_size; i++) { // swap index to machine endian
AVIINDEXENTRY *entry=(AVIINDEXENTRY*)priv->idx + i;
le2me_AVIINDEXENTRY(entry);
/*
* We (ab)use the upper word for bits 32-47 of the offset, so
* we'll clear them here.
* FIXME: AFAIK no codec uses them, but if one does it will break
*/
entry->dwFlags&=0xffff;
}
chunksize-=priv->idx_size<<4;
if( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx,priv->idx_size,MSGL_DBG2);
}
break;
/* added May 2002 */
case mmioFOURCC('R','I','F','F'): {
char riff_type[4];
mp_msg(MSGT_HEADER, MSGL_V, MSGTR_MPDEMUX_AVIHDR_AdditionalRIFFHdr);
stream_read(demuxer->stream, riff_type, sizeof riff_type);
if (strncmp(riff_type, "AVIX", sizeof riff_type))
mp_msg(MSGT_HEADER, MSGL_WARN, MSGTR_MPDEMUX_AVIHDR_WarnNotExtendedAVIHdr);
else {
/*
* We got an extended AVI header, so we need to switch to
* ODML to get seeking to work, provided we got indx chunks
* in the header (suidx_size > 0).
*/
if (priv->suidx_size > 0)
priv->isodml = 1;
}
chunksize = 0;
list_end = 0; /* a new list will follow */
break; }
case ckidAVIPADDING:
stream_skip(demuxer->stream, chunksize);
chunksize = 0;
break;
}
if(hdr){
mp_msg(MSGT_HEADER,MSGL_V,"hdr=%s size=%u\n",hdr,size2);
if(size2==3)
chunksize=1; // empty
else {
char buf[256];
int len=(size2<250)?size2:250;
stream_read(demuxer->stream,buf,len);
chunksize-=len;
buf[len]=0;
mp_msg(MSGT_HEADER,MSGL_V,"%-10s: %s\n",hdr,buf);
demux_info_add(demuxer, hdr, buf);
}
}
mp_msg(MSGT_HEADER,MSGL_DBG2,"list_end=0x%"PRIX64" pos=0x%"PRIX64" chunksize=0x%"PRIX64" next=0x%"PRIX64"\n",
(int64_t)list_end, (int64_t)stream_tell(demuxer->stream),
(int64_t)chunksize, (int64_t)chunksize+(int64_t)stream_tell(demuxer->stream));
if(list_end>0 &&
chunksize+stream_tell(demuxer->stream) == list_end) list_end=0;
if(list_end>0 && chunksize+stream_tell(demuxer->stream)>list_end){
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_BrokenChunk,chunksize,(char *) &id);
stream_seek(demuxer->stream,list_end);
list_end=0;
} else
if(chunksize>0) stream_skip(demuxer->stream,chunksize); else
if((int)chunksize<0) mp_msg(MSGT_HEADER,MSGL_WARN,"chunksize=%u (id=%.4s)\n",chunksize,(char *) &id);
}
static demuxer_t* demux_open_roq(demuxer_t* demuxer)
{
sh_video_t *sh_video = NULL;
sh_audio_t *sh_audio = NULL;
roq_data_t *roq_data = malloc(sizeof(roq_data_t));
int chunk_id;
int chunk_size;
int chunk_arg;
int last_chunk_id = 0;
int largest_audio_chunk = 0;
int fps;
roq_data->total_chunks = 0;
roq_data->current_chunk = 0;
roq_data->total_video_chunks = 0;
roq_data->chunks = NULL;
// position the stream and start traversing
stream_seek(demuxer->stream, 6);
fps = stream_read_word_le(demuxer->stream);
while (!stream_eof(demuxer->stream))
{
chunk_id = stream_read_word_le(demuxer->stream);
chunk_size = stream_read_dword_le(demuxer->stream);
chunk_arg = stream_read_word_le(demuxer->stream);
// this is the only useful header info in the file
if (chunk_id == RoQ_INFO)
{
// there should only be one RoQ_INFO chunk per file
if (sh_video)
{
mp_msg(MSGT_DECVIDEO, MSGL_WARN, "Found more than one RoQ_INFO chunk\n");
stream_skip(demuxer->stream, 8);
}
else
{
// this is a good opportunity to create a video stream header
sh_video = new_sh_video(demuxer, 0);
// make sure the demuxer knows about the new stream header
demuxer->video->sh = sh_video;
// make sure that the video demuxer stream header knows about its
// parent video demuxer stream
sh_video->ds = demuxer->video;
sh_video->disp_w = stream_read_word_le(demuxer->stream);
sh_video->disp_h = stream_read_word_le(demuxer->stream);
stream_skip(demuxer->stream, 4);
// custom fourcc for internal MPlayer use
sh_video->format = mmioFOURCC('R', 'o', 'Q', 'V');
// constant frame rate
sh_video->fps = fps;
sh_video->frametime = 1 / sh_video->fps;
}
}
else if ((chunk_id == RoQ_SOUND_MONO) ||
(chunk_id == RoQ_SOUND_STEREO))
{
// create the audio stream header if it hasn't been created it
if (sh_audio == NULL)
{
// make the header first
sh_audio = new_sh_audio(demuxer, 0);
// make sure the demuxer knows about the new stream header
demuxer->audio->id = 0;
demuxer->audio->sh = sh_audio;
// make sure that the audio demuxer stream header knows about its
// parent audio demuxer stream
sh_audio->ds = demuxer->audio;
// go through the bother of making a WAVEFORMATEX structure
sh_audio->wf = malloc(sizeof(*sh_audio->wf));
// custom fourcc for internal MPlayer use
sh_audio->format = mmioFOURCC('R', 'o', 'Q', 'A');
if (chunk_id == RoQ_SOUND_STEREO)
sh_audio->wf->nChannels = 2;
else
sh_audio->wf->nChannels = 1;
// always 22KHz, 16-bit
sh_audio->wf->nSamplesPerSec = 22050;
sh_audio->wf->wBitsPerSample = 16;
}
// index the chunk
roq_data->chunks = realloc(roq_data->chunks,
(roq_data->total_chunks + 1) * sizeof (roq_chunk_t));
roq_data->chunks[roq_data->total_chunks].chunk_type = CHUNK_TYPE_AUDIO;
roq_data->chunks[roq_data->total_chunks].chunk_offset =
stream_tell(demuxer->stream) - 8;
roq_data->chunks[roq_data->total_chunks].chunk_size = chunk_size + 8;
roq_data->chunks[roq_data->total_chunks].running_audio_sample_count =
roq_data->total_audio_sample_count;
// audio housekeeping
if (chunk_size > largest_audio_chunk)
largest_audio_chunk = chunk_size;
roq_data->total_audio_sample_count +=
(chunk_size / sh_audio->wf->nChannels);
stream_skip(demuxer->stream, chunk_size);
roq_data->total_chunks++;
}
else if ((chunk_id == RoQ_QUAD_CODEBOOK) ||
((chunk_id == RoQ_QUAD_VQ) && (last_chunk_id != RoQ_QUAD_CODEBOOK)))
{
// index a new chunk if it's a codebook or quad VQ not following a
// codebook
roq_data->chunks = realloc(roq_data->chunks,
(roq_data->total_chunks + 1) * sizeof (roq_chunk_t));
roq_data->chunks[roq_data->total_chunks].chunk_type = CHUNK_TYPE_VIDEO;
roq_data->chunks[roq_data->total_chunks].chunk_offset =
stream_tell(demuxer->stream) - 8;
roq_data->chunks[roq_data->total_chunks].chunk_size = chunk_size + 8;
roq_data->chunks[roq_data->total_chunks].video_chunk_number =
roq_data->total_video_chunks++;
stream_skip(demuxer->stream, chunk_size);
roq_data->total_chunks++;
}
else if ((chunk_id == RoQ_QUAD_VQ) && (last_chunk_id == RoQ_QUAD_CODEBOOK))
{
// if it's a quad VQ chunk following a codebook chunk, extend the last
// chunk
roq_data->chunks[roq_data->total_chunks - 1].chunk_size += (chunk_size + 8);
stream_skip(demuxer->stream, chunk_size);
}
else if (!stream_eof(demuxer->stream))
{
mp_msg(MSGT_DECVIDEO, MSGL_WARN, "Unknown RoQ chunk ID: %04X\n", chunk_id);
}
last_chunk_id = chunk_id;
}
// minimum output buffer size = largest audio chunk * 2, since each byte
// in the DPCM encoding effectively represents 1 16-bit sample
// (store it in wf->nBlockAlign for the time being since init_audio() will
// step on it anyway)
if (sh_audio)
sh_audio->wf->nBlockAlign = largest_audio_chunk * 2;
roq_data->current_chunk = 0;
demuxer->priv = roq_data;
stream_reset(demuxer->stream);
return demuxer;
}
static demuxer_t * demux_open_pva (demuxer_t * demuxer)
{
sh_video_t *sh_video = new_sh_video(demuxer,0);
sh_audio_t *sh_audio = new_sh_audio(demuxer,0, NULL);
pva_priv_t * priv;
stream_reset(demuxer->stream);
stream_seek(demuxer->stream,0);
priv=malloc(sizeof(pva_priv_t));
if(demuxer->stream->type!=STREAMTYPE_FILE) demuxer->seekable=0;
else demuxer->seekable=1;
demuxer->priv=priv;
memset(demuxer->priv,0,sizeof(pva_priv_t));
if(!pva_sync(demuxer))
{
mp_msg(MSGT_DEMUX,MSGL_ERR,"Not a PVA file.\n");
return NULL;
}
//printf("priv->just_synced %s after initial sync!\n",priv->just_synced?"set":"UNSET");
demuxer->video->sh=sh_video;
//printf("demuxer->stream->end_pos= %d\n",demuxer->stream->end_pos);
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Opened PVA demuxer...\n");
/*
* Audio and Video codecs:
* the PVA spec only allows MPEG2 video and MPEG layer II audio. No need to check the formats then.
* Moreover, there would be no way to do that since the PVA stream format has no fields to describe
* the used codecs.
*/
sh_video->format=0x10000002;
sh_video->ds=demuxer->video;
/*
printf("demuxer->video->id==%d\n",demuxer->video->id);
printf("demuxer->audio->id==%d\n",demuxer->audio->id);
*/
demuxer->audio->id = 0;
demuxer->audio->sh=sh_audio;
sh_audio->format=0x50;
sh_audio->ds=demuxer->audio;
demuxer->movi_start=0;
demuxer->movi_end=demuxer->stream->end_pos;
priv->last_video_pts=-1;
priv->last_audio_pts=-1;
return demuxer;
}
static demuxer_t* demux_open_vivo(demuxer_t* demuxer){
vivo_priv_t* priv=demuxer->priv;
if(!ds_fill_buffer(demuxer->video)){
mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingVideoStreamBug);
return NULL;
}
audio_pos=0;
h263_decode_picture_header(demuxer->video->buffer);
if (vivo_param_version != -1)
priv->version = '0' + vivo_param_version;
{ sh_video_t* sh=new_sh_video(demuxer,0);
/* viv1, viv2 (for better codecs.conf) */
sh->format = mmioFOURCC('v', 'i', 'v', priv->version);
if(!sh->fps)
{
if (priv->fps)
sh->fps=priv->fps;
else
sh->fps=15.0f;
}
sh->frametime=1.0f/sh->fps;
/* XXX: FIXME: can't scale image. */
/* hotfix to disable: */
priv->disp_width = priv->width;
priv->disp_height = priv->height;
if (vivo_param_width != -1)
priv->disp_width = priv->width = vivo_param_width;
if (vivo_param_height != -1)
priv->disp_height = priv->height = vivo_param_height;
if (vivo_param_vformat != -1)
{
priv->disp_width = priv->width = h263_format[vivo_param_vformat][0];
priv->disp_height = priv->height = h263_format[vivo_param_vformat][1];
}
if (priv->disp_width)
sh->disp_w = priv->disp_width;
else
sh->disp_w = width;
if (priv->disp_height)
sh->disp_h = priv->disp_height;
else
sh->disp_h = height;
// emulate BITMAPINFOHEADER:
sh->bih=malloc(sizeof(BITMAPINFOHEADER));
memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
sh->bih->biSize=40;
if (priv->width)
sh->bih->biWidth = priv->width;
else
sh->bih->biWidth = width;
if (priv->height)
sh->bih->biHeight = priv->height;
else
sh->bih->biHeight = height;
sh->bih->biPlanes=1;
sh->bih->biBitCount=24;
sh->bih->biCompression=sh->format;
sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight*3;
/* insert as stream */
demuxer->video->sh=sh;
sh->ds=demuxer->video;
demuxer->video->id=0;
/* disable seeking */
demuxer->seekable = 0;
mp_msg(MSGT_DEMUX,MSGL_V,"VIVO Video stream %d size: display: %dx%d, codec: %ux%u\n",
demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
sh->bih->biHeight);
}
/* AUDIO init */
if (demuxer->audio->id >= -1){
if(!ds_fill_buffer(demuxer->audio)){
mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingAudioStream);
} else
{ sh_audio_t* sh=new_sh_audio(demuxer,1);
/* Select audio codec */
if (priv->audio_codec == 0)
{
if (priv->version == '2')
priv->audio_codec = VIVO_AUDIO_SIREN;
else
priv->audio_codec = VIVO_AUDIO_G723;
}
if (vivo_param_acodec != NULL)
{
if (!strcasecmp(vivo_param_acodec, "g723"))
priv->audio_codec = VIVO_AUDIO_G723;
if (!strcasecmp(vivo_param_acodec, "siren"))
priv->audio_codec = VIVO_AUDIO_SIREN;
}
if (priv->audio_codec == VIVO_AUDIO_G723)
sh->format = 0x111;
else if (priv->audio_codec == VIVO_AUDIO_SIREN)
sh->format = 0x112;
else
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "VIVO: Not support audio codec (%d)\n",
priv->audio_codec);
free_sh_audio(demuxer, 1);
goto nosound;
}
// Emulate WAVEFORMATEX struct:
sh->wf=malloc(sizeof(WAVEFORMATEX));
memset(sh->wf,0,sizeof(WAVEFORMATEX));
sh->wf->wFormatTag=sh->format;
sh->wf->nChannels=1; /* 1 channels for both Siren and G.723 */
/* Set bits per sample */
if (priv->audio_codec == VIVO_AUDIO_SIREN)
sh->wf->wBitsPerSample = 16;
else
if (priv->audio_codec == VIVO_AUDIO_G723)
sh->wf->wBitsPerSample = 8;
/* Set sampling rate */
if (priv->audio_samplerate) /* got from header */
sh->wf->nSamplesPerSec = priv->audio_samplerate;
else
{
if (priv->audio_codec == VIVO_AUDIO_SIREN)
sh->wf->nSamplesPerSec = 16000;
if (priv->audio_codec == VIVO_AUDIO_G723)
sh->wf->nSamplesPerSec = 8000;
}
if (vivo_param_samplerate != -1)
sh->wf->nSamplesPerSec = vivo_param_samplerate;
/* Set audio bitrate */
if (priv->audio_bitrate) /* got from header */
sh->wf->nAvgBytesPerSec = priv->audio_bitrate;
else
{
if (priv->audio_codec == VIVO_AUDIO_SIREN)
sh->wf->nAvgBytesPerSec = 2000;
if (priv->audio_codec == VIVO_AUDIO_G723)
sh->wf->nAvgBytesPerSec = 800;
}
if (vivo_param_abitrate != -1)
sh->wf->nAvgBytesPerSec = vivo_param_abitrate;
audio_rate=sh->wf->nAvgBytesPerSec;
if (!priv->audio_bytesperblock)
{
if (priv->audio_codec == VIVO_AUDIO_SIREN)
sh->wf->nBlockAlign = 40;
if (priv->audio_codec == VIVO_AUDIO_G723)
sh->wf->nBlockAlign = 24;
}
else
sh->wf->nBlockAlign = priv->audio_bytesperblock;
if (vivo_param_bytesperblock != -1)
sh->wf->nBlockAlign = vivo_param_bytesperblock;
/*sound_ok:*/
/* insert as stream */
demuxer->audio->sh=sh;
sh->ds=demuxer->audio;
demuxer->audio->id=1;
nosound:
return demuxer;
}
}
return demuxer;
}
static int demux_ty_fill_buffer( demuxer_t *demux, demux_stream_t *dsds )
{
int invalidType = 0;
int errorHeader = 0;
int recordsDecoded = 0;
int readSize;
int numberRecs;
unsigned char *recPtr;
int offset;
int counter;
int aid;
TiVoInfo *tivo = demux->priv;
unsigned char *chunk = tivo->chunk;
if ( demux->stream->type == STREAMTYPE_DVD )
return 0;
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:ty processing\n" );
if( demux->stream->eof ) return 0;
// ======================================================================
// If we haven't figured out the size of the stream, let's do so
// ======================================================================
if ( demux->stream->type == STREAMTYPE_VSTREAM )
{
// The vstream code figures out the exact size of the stream
demux->movi_start = 0;
demux->movi_end = demux->stream->end_pos;
tivo->size = demux->stream->end_pos;
}
else
{
// If its a local file, try to find the Part Headers, so we can
// calculate the ACTUAL stream size
// If we can't find it, go off with the file size and hope the
// extract program did the "right thing"
if ( tivo->readHeader == 0 )
{
loff_t filePos;
tivo->readHeader = 1;
filePos = demux->filepos;
stream_seek( demux->stream, 0 );
readSize = stream_read( demux->stream, chunk, CHUNKSIZE );
if ( memcmp( chunk, TMF_SIG, sizeof( TMF_SIG ) ) == 0 )
{
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:Detected a tmf\n" );
tivo->tmf = 1;
ty_tmf_filetoparts( demux, tivo );
readSize = tmf_load_chunk( demux, tivo, chunk, 0 );
}
if ( readSize == CHUNKSIZE && AV_RB32(chunk) == TIVO_PES_FILEID )
{
loff_t numberParts;
readSize = 0;
if ( tivo->tmf != 1 )
{
loff_t offset;
numberParts = demux->stream->end_pos / TIVO_PART_LENGTH;
offset = numberParts * TIVO_PART_LENGTH;
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:ty/ty+Number Parts %"PRId64"\n",
(int64_t)numberParts );
if ( offset + CHUNKSIZE < demux->stream->end_pos )
{
stream_seek( demux->stream, offset );
readSize = stream_read( demux->stream, chunk, CHUNKSIZE );
}
}
else
{
numberParts = tivo->tmf_totalparts;
offset = numberParts * TIVO_PART_LENGTH;
readSize = tmf_load_chunk( demux, tivo, chunk,
numberParts * ( TIVO_PART_LENGTH - CHUNKSIZE ) /
CHUNKSIZE );
}
if ( readSize == CHUNKSIZE && AV_RB32(chunk) == TIVO_PES_FILEID )
{
int size = AV_RB24(chunk + 12);
size -= 4;
size *= CHUNKSIZE;
tivo->size = numberParts * TIVO_PART_LENGTH;
tivo->size += size;
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:Header Calc Stream Size %"PRId64"\n", tivo->size );
}
}
if ( demux->stream->start_pos > 0 )
filePos = demux->stream->start_pos;
stream_seek( demux->stream, filePos );
demux->filepos = stream_tell( demux->stream );
tivo->whichChunk = filePos / CHUNKSIZE;
}
demux->movi_start = 0;
demux->movi_end = tivo->size;
}
// ======================================================================
// Give a clue as to where we are in the stream
// ======================================================================
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:ty header size %"PRIx64"\n", (int64_t)tivo->size );
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:ty which Chunk %d\n", tivo->whichChunk );
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:file end_pos %"PRIx64"\n", (int64_t)demux->stream->end_pos );
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"\nty:wanted current offset %"PRIx64"\n", (int64_t)stream_tell( demux->stream ) );
if ( tivo->size > 0 && stream_tell( demux->stream ) > tivo->size )
{
demux->stream->eof = 1;
return 0;
}
do {
if ( tivo->tmf != 1 )
{
// Make sure we are on a 128k boundary
if ( demux->filepos % CHUNKSIZE != 0 )
{
int whichChunk = demux->filepos / CHUNKSIZE;
if ( demux->filepos % CHUNKSIZE > CHUNKSIZE / 2 )
whichChunk++;
stream_seek( demux->stream, whichChunk * CHUNKSIZE );
}
demux->filepos = stream_tell( demux->stream );
tivo->whichChunk = demux->filepos / CHUNKSIZE;
readSize = stream_read( demux->stream, chunk, CHUNKSIZE );
if ( readSize != CHUNKSIZE )
return 0;
}
else
{
readSize = tmf_load_chunk( demux, tivo, chunk, tivo->whichChunk );
if ( readSize != CHUNKSIZE )
return 0;
tivo->whichChunk++;
}
if (AV_RB32(chunk) == TIVO_PES_FILEID)
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:Skipping PART Header\n" );
} while (AV_RB32(chunk) == TIVO_PES_FILEID);
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"\nty:actual current offset %"PRIx64"\n", stream_tell( demux->stream ) -
CHUNKSIZE );
// Let's make a Video Demux Stream for MPlayer
aid = 0x0;
if( !demux->v_streams[ aid ] ) new_sh_video( demux, aid );
if( demux->video->id == -1 ) demux->video->id = aid;
if( demux->video->id == aid )
{
demux_stream_t *ds = demux->video;
if( !ds->sh ) ds->sh = demux->v_streams[ aid ];
}
// ======================================================================
// Finally, we get to actually parse the chunk
// ======================================================================
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:ty parsing a chunk\n" );
numberRecs = chunk[ 0 ];
recPtr = &chunk[ 4 ];
offset = numberRecs * 16 + 4;
for ( counter = 0 ; counter < numberRecs ; counter++ )
{
int size = AV_RB24(recPtr) >> 4;
int type = recPtr[ 3 ];
int nybbleType = recPtr[ 2 ] & 0x0f;
recordsDecoded++;
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:Record Type %x/%x %d\n", nybbleType, type, size );
// ================================================================
// Video Parsing
// ================================================================
if ( type == 0xe0 )
{
if ( size > 0 && size + offset <= CHUNKSIZE )
{
int esOffset1 = demux_ty_FindESHeader( VIDEO_NAL, &chunk[ offset ],
size);
if ( esOffset1 != -1 )
tivo->lastVideoPTS = get_ty_pts(
&chunk[ offset + esOffset1 + 9 ] );
// Do NOT Pass the PES Header onto the MPEG2 Decode
if( nybbleType != 0x06 )
demux_ty_CopyToDemuxPacket( demux->video,
&chunk[ offset ], size, demux->filepos + offset,
tivo->lastVideoPTS );
offset += size;
}
else
errorHeader++;
}
// ================================================================
// Audio Parsing
// ================================================================
else if ( type == 0xc0 )
{
if ( size > 0 && size + offset <= CHUNKSIZE )
{
if( demux->audio->id == -1 )
{
if ( nybbleType == 0x02 )
continue; // DTiVo inconclusive, wait for more
else if ( nybbleType == 0x09 )
{
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:Setting AC-3 Audio\n" );
aid = 0x80; // AC-3
}
else
{
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:Setting MPEG Audio\n" );
aid = 0x0; // MPEG Audio
}
demux->audio->id = aid;
if( !demux->a_streams[ aid ] ) new_sh_audio( demux, aid, NULL );
if( demux->audio->id == aid )
{
demux_stream_t *ds = demux->audio;
if( !ds->sh ) {
sh_audio_t* sh_a;
ds->sh = demux->a_streams[ aid ];
sh_a = (sh_audio_t*)ds->sh;
switch(aid & 0xE0){ // 1110 0000 b (high 3 bit: type low 5: id)
case 0x00: sh_a->format=0x50;break; // mpeg
case 0xA0: sh_a->format=0x10001;break; // dvd pcm
case 0x80: if((aid & 0xF8) == 0x88) sh_a->format=0x2001;//dts
else sh_a->format=0x2000;break; // ac3
}
}
}
}
aid = demux->audio->id;
// SA DTiVo Audio Data, no PES
// ================================================
if ( nybbleType == 0x02 || nybbleType == 0x04 )
{
if ( nybbleType == 0x02 && tivo->tivoType == 2 )
demux_ty_AddToAudioBuffer( tivo, &chunk[ offset ], size );
else
{
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:Adding Audio Packet Size %d\n", size );
demux_ty_CopyToDemuxPacket( demux->audio,
&chunk[ offset ], size, ( demux->filepos + offset ),
tivo->lastAudioPTS );
}
}
// 3 - MPEG Audio with PES Header, either SA or DTiVo
// 9 - DTiVo AC3 Audio Data with PES Header
// ================================================
if ( nybbleType == 0x03 || nybbleType == 0x09 )
{
int esOffset1, esOffset2;
if ( nybbleType == 0x03 )
esOffset1 = demux_ty_FindESHeader( AUDIO_NAL, &chunk[ offset ],
size);
// SA PES Header, No Audio Data
// ================================================
if ( nybbleType == 0x03 && esOffset1 == 0 && size == 16 )
{
tivo->tivoType = 1;
tivo->lastAudioPTS = get_ty_pts( &chunk[ offset +
SERIES2_PTS_OFFSET ] );
}
else
// DTiVo Audio with PES Header
// ================================================
{
tivo->tivoType = 2;
demux_ty_AddToAudioBuffer( tivo, &chunk[ offset ], size );
demux_ty_FindESPacket( nybbleType == 9 ? AC3_NAL : AUDIO_NAL,
tivo->lastAudio, tivo->lastAudioEnd, &esOffset1,
&esOffset2 );
if ( esOffset1 != -1 && esOffset2 != -1 )
{
int packetSize = esOffset2 - esOffset1;
int headerSize;
int ptsOffset;
if ( IsValidAudioPacket( packetSize, &ptsOffset,
&headerSize ) )
{
mp_msg( MSGT_DEMUX, MSGL_DBG3,
"ty:Adding DTiVo Audio Packet Size %d\n",
packetSize );
tivo->lastAudioPTS = get_ty_pts(
&tivo->lastAudio[ esOffset1 + ptsOffset ] );
if (nybbleType == 9) headerSize = 0;
demux_ty_CopyToDemuxPacket
(
demux->audio,
&tivo->lastAudio[ esOffset1 + headerSize ],
packetSize - headerSize,
demux->filepos + offset,
tivo->lastAudioPTS
);
}
// Collapse the Audio Buffer
tivo->lastAudioEnd -= esOffset2;
memmove( &tivo->lastAudio[ 0 ],
&tivo->lastAudio[ esOffset2 ],
tivo->lastAudioEnd );
}
}
}
offset += size;
}
else
errorHeader++;
}
// ================================================================
// 1 = Closed Caption
// 2 = Extended Data Services
// ================================================================
else if ( type == 0x01 || type == 0x02 )
{
unsigned char lastXDS[ 16 ];
int b = AV_RB24(recPtr) >> 4;
b &= 0x7f7f;
mp_msg( MSGT_DEMUX, MSGL_DBG3, "ty:%s %04x\n", type == 1 ? "CC" : "XDS", b);
lastXDS[ 0x00 ] = 0x00;
lastXDS[ 0x01 ] = 0x00;
lastXDS[ 0x02 ] = 0x01;
lastXDS[ 0x03 ] = 0xb2;
lastXDS[ 0x04 ] = 'T';
lastXDS[ 0x05 ] = 'Y';
lastXDS[ 0x06 ] = type;
lastXDS[ 0x07 ] = b >> 8;
lastXDS[ 0x08 ] = b;
if ( subcc_enabled )
demux_ty_CopyToDemuxPacket( demux->video, lastXDS, 0x09,
demux->filepos + offset, tivo->lastVideoPTS );
}
// ================================================================
// Unknown
// ================================================================
else
{
if ( size > 0 && size + offset <= CHUNKSIZE )
