static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
{
tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
demux_packet_t* dp;
unsigned int len=0;
/* ================== ADD AUDIO PACKET =================== */
if (ds==demux->audio && tvh->tv_param->noaudio == 0 &&
tvh->functions->control(tvh->priv,
TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
{
len = tvh->functions->get_audio_framesize(tvh->priv);
dp=new_demux_packet(len);
dp->flags|=1; /* Keyframe */
dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
ds_add_packet(demux->audio,dp);
}
/* ================== ADD VIDEO PACKET =================== */
if (ds==demux->video && tvh->functions->control(tvh->priv,
TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
{
len = tvh->functions->get_video_framesize(tvh->priv);
dp=new_demux_packet(len);
dp->flags|=1; /* Keyframe */
dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
ds_add_packet(demux->video,dp);
}
if (tvh->tv_param->scan) tv_scan(tvh);
return 1;
}
static int demux_dshow_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
demux_packet_t *dp;
sh_video_t *sh_video;
float new_ftime, new_fps, diff;
if(b_stopped) return 0;
/* Video */
if (ds == demuxer->video) {
if(b_vfinished) return 0;
if(WaitForSingleObject(hWaitVDec, 5000) == WAIT_TIMEOUT)
return 0;
if (!g_vpkg.pData || g_vpkg.iLen < 1) {
SetEvent(hWaitVSend);
return 0;
}
sh_video = demuxer->video->sh;
dp = new_demux_packet(g_vpkg.iLen);
dp->pts = (float)(g_vpkg.i_pts / 1E7);
memcpy(dp->buffer, g_vpkg.pData, g_vpkg.iLen);
SetEvent(hWaitVSend);
new_ftime = dp->pts - last_vpts;
if(last_vpts > 0 && new_ftime > 0) {
new_fps = 1.0/ new_ftime;
diff = new_fps - sh_video->fps;
if(diff > 0.9 || diff < -0.9) {
sh_video->frametime = new_ftime;
sh_video->fps = new_fps;
}
}
if(last_vpts < 0)
last_vpts = 0;
else
stream_pos = last_vpts = dp->pts;
ds_add_packet(ds, dp);
}
/* Audio */
if (ds == demuxer->audio) {
if(b_afinished) return 0;
if(WaitForSingleObject(hWaitADec, wait_time) == WAIT_TIMEOUT)
return 0;
if (!g_apkg.pData || g_apkg.iLen < 1) {
SetEvent(hWaitASend);
return 0;
}
dp = new_demux_packet(g_apkg.iLen);
dp->pts = (float)(g_apkg.i_pts / 1E7);
memcpy(dp->buffer, g_apkg.pData, g_apkg.iLen);
SetEvent(hWaitASend);
if(!VideoInfo.haveVideo)
stream_pos = dp->pts;
ds_add_packet(ds, dp);
}
return 1;
}
static int demux_tv_fill_buffer(demuxer_t *demux)
{
tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
demux_packet_t* dp;
unsigned int len=0;
struct sh_stream *want_audio = NULL, *want_video = NULL;
int num_streams = demux_get_num_stream(demux);
for (int n = 0; n < num_streams; n++) {
struct sh_stream *sh = demux_get_stream(demux, n);
if (!demux_has_packet(sh) && demux_stream_is_selected(sh)) {
if (sh->type == STREAM_AUDIO)
want_audio = sh;
if (sh->type == STREAM_VIDEO)
want_video = sh;
}
}
/* ================== ADD AUDIO PACKET =================== */
if (want_audio && tvh->tv_param->audio &&
tvh->functions->control(tvh->priv,
TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
{
len = tvh->functions->get_audio_framesize(tvh->priv);
dp=new_demux_packet(len);
if (dp) {
dp->keyframe = true;
dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
demux_add_packet(want_audio, dp);
}
}
/* ================== ADD VIDEO PACKET =================== */
if (want_video && tvh->functions->control(tvh->priv,
TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
{
len = tvh->functions->get_video_framesize(tvh->priv);
dp=new_demux_packet(len);
if (dp) {
dp->keyframe = true;
dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
demux_add_packet(want_video, dp);
}
}
if (tvh->tv_param->scan) tv_scan(tvh);
return 1;
}
int demux_rtp_fill_buffer(demuxer_t* demuxer, demux_stream_t* ds)
{
Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
Nemesi_SessionType stype;
rtsp_ctrl * ctl = ndsd->rtsp;
rtp_thread * rtp_th = rtsp_get_rtp_th(ctl);
rtp_frame fr;
demux_packet_t* dp;
if ( (!ctl->rtsp_queue) || (demuxer->stream->eof) || (rtp_fill_buffers(rtp_th)) ) {
mp_msg(MSGT_DEMUX, MSGL_INFO, "End of Stream...\n");
demuxer->stream->eof = 1;
return 0;
}
if (ds == demuxer->video)
stype = NEMESI_SESSION_VIDEO;
else if (ds == demuxer->audio)
stype = NEMESI_SESSION_AUDIO;
else
return 0;
if(!get_data_for_session(ndsd, stype, &fr)) {
dp = new_demux_packet(fr.len);
memcpy(dp->buffer, fr.data, fr.len);
fr.time_sec += ndsd->seek;
ndsd->time[stype] = dp->pts = fr.time_sec;
ds_add_packet(ds, dp);
}
else {
stype = (stype + 1) % 2;
if (stype == NEMESI_SESSION_VIDEO)
ds = demuxer->video;
else
ds = demuxer->audio;
if(!get_data_for_session(ndsd, stype, &fr)) {
dp = new_demux_packet(fr.len);
memcpy(dp->buffer, fr.data, fr.len);
fr.time_sec += ndsd->seek;
ndsd->time[stype] = dp->pts = fr.time_sec;
ds_add_packet(ds, dp);
}
}
return 1;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_mf_fill_buffer(demuxer_t *demuxer)
{
mf_t *mf = demuxer->priv;
if (mf->curr_frame >= mf->nr_of_files)
return 0;
struct stream *entry_stream = NULL;
if (mf->streams)
entry_stream = mf->streams[mf->curr_frame];
struct stream *stream = entry_stream;
if (!stream) {
char *filename = mf->names[mf->curr_frame];
if (filename)
stream = stream_open(filename, demuxer->opts);
}
if (stream) {
stream_seek(stream, 0);
bstr data = stream_read_complete(stream, NULL, MF_MAX_FILE_SIZE);
if (data.len) {
demux_packet_t *dp = new_demux_packet(data.len);
memcpy(dp->buffer, data.start, data.len);
dp->pts = mf->curr_frame / mf->sh->fps;
dp->keyframe = true;
demuxer_add_packet(demuxer, demuxer->streams[0], dp);
}
talloc_free(data.start);
}
if (stream && stream != entry_stream)
free_stream(stream);
mf->curr_frame++;
return 1;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_mf_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds) {
mf_t * mf;
struct stat fs;
FILE * f;
mf=(mf_t*)demuxer->priv;
if ( mf->curr_frame >= mf->nr_of_files ) return 0;
stat( mf->names[mf->curr_frame],&fs );
// printf( "[demux_mf] frame: %d (%s,%d)\n",mf->curr_frame,mf->names[mf->curr_frame],fs.st_size );
if ( !( f=fopen( mf->names[mf->curr_frame],"rb" ) ) ) return 0;
{
sh_video_t * sh_video = demuxer->video->sh;
demux_packet_t * dp = new_demux_packet( fs.st_size );
if ( !fread( dp->buffer,fs.st_size,1,f ) ) return 0;
dp->pts=mf->curr_frame / sh_video->fps;
dp->pos=mf->curr_frame;
dp->flags=0;
// append packet to DS stream:
ds_add_packet( demuxer->video,dp );
}
fclose( f );
demuxer->filepos=mf->curr_frame++;
return 1;
}
static int demux_xmms_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
sh_audio_t *sh_audio = demuxer->audio->sh;
xmms_priv_t *priv=demuxer->priv;
demux_packet_t* dp;
if (xmms_length<=0) demuxer->seekable=0;
else demuxer->seekable=1;
while (xmms_audiopos<XMMS_PACKETSIZE/2) {
if((priv->ip->get_time()<0) || !xmms_playing)
return 0;
usleep(1000);
}
pthread_mutex_lock(&xmms_mutex);
dp = new_demux_packet(XMMS_PACKETSIZE/2);
dp->pts = priv->spos / sh_audio->wf->nAvgBytesPerSec;
ds->pos = priv->spos;
memcpy(dp->buffer,xmms_audiobuffer,XMMS_PACKETSIZE/2);
memcpy(xmms_audiobuffer,&xmms_audiobuffer[XMMS_PACKETSIZE/2],
xmms_audiopos-XMMS_PACKETSIZE/2);
xmms_audiopos-=XMMS_PACKETSIZE/2;
pthread_mutex_unlock(&xmms_mutex);
ds_add_packet(ds,dp);
return 1;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_rawdv_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
rawdv_frames_t *frames = (rawdv_frames_t *)demuxer->priv;
demux_packet_t* dp_video=NULL;
sh_video_t *sh_video = demuxer->video->sh;
int bytes_read=0;
// fprintf(stderr,"demux_rawdv_fill_buffer() seek to %qu, size: %d\n",frames->current_filepos,frames->frame_size);
// fetch the frame from the file
// first, position the file properly since ds_read_packet() doesn't
// seem to do it, even though it takes a file offset as a parameter
stream_seek(demuxer->stream, frames->current_filepos);
dp_video=new_demux_packet(frames->frame_size);
bytes_read=stream_read(demuxer->stream,dp_video->buffer,frames->frame_size);
if (bytes_read<frames->frame_size)
return 0;
dp_video->pts=frames->current_frame/sh_video->fps;
dp_video->pos=frames->current_filepos;
dp_video->flags=0;
if (demuxer->audio && demuxer->audio->id>=-1)
{
demux_packet_t* dp_audio=clone_demux_packet(dp_video);
ds_add_packet(demuxer->audio,dp_audio);
}
ds_add_packet(demuxer->video,dp_video);
// get the next frame ready
frames->current_filepos+=frames->frame_size;
frames->current_frame++;
// fprintf(stderr," audio->packs: %d , video->packs: %d \n",demuxer->audio->packs, demuxer->video->packs);
return 1;
}
static int demux_ppbox_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
ppbox_demux_priv_t *priv = (ppbox_demux_priv_t *) demuxer->priv;
PPBOX_SampleEx2 sample;
PP_int32 ret;
while (1) {
ret = PPBOX_ReadSampleEx2()(&sample);
if (ret == ppbox_success) {
demux_packet_t *dp = new_demux_packet(sample.buffer_length);
memcpy(dp->buffer, sample.buffer, sample.buffer_length);
dp->pts = (double)(sample.start_time + sample.composite_time_delta) * 0.000001;
ds_add_packet(priv->streams[sample.stream_index], dp);
if (priv->streams[sample.stream_index] == ds)
return 1;
} else if (ret == ppbox_would_block) {
if (mp_input_check_interrupt(100))
return 0;
} else if (ret == ppbox_stream_end) {
demuxer->stream->eof = 1;
return 0;
} else {
return 0;
}
};
return 0;
}
static int demux_lavf_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
lavf_priv_t *priv= demux->priv;
AVPacket pkt;
demux_packet_t *dp;
demux_stream_t *ds;
int id;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"demux_lavf_fill_buffer()\n");
demux->filepos=stream_tell(demux->stream);
if(av_read_frame(priv->avfc, &pkt) < 0)
return 0;
id= pkt.stream_index;
if(id==demux->audio->id){
// audio
ds=demux->audio;
if(!ds->sh){
ds->sh=demux->a_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF audio ID = %d\n",ds->id);
}
} else if(id==demux->video->id){
// video
ds=demux->video;
if(!ds->sh){
ds->sh=demux->v_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF video ID = %d\n",ds->id);
}
} else {
av_free_packet(&pkt);
return 1;
}
if(0/*pkt.destruct == av_destruct_packet*/){
//ok kids, dont try this at home :)
dp=malloc(sizeof(demux_packet_t));
dp->len=pkt.size;
dp->next=NULL;
dp->refcount=1;
dp->master=NULL;
dp->buffer=pkt.data;
pkt.destruct= NULL;
}else{
dp=new_demux_packet(pkt.size);
memcpy(dp->buffer, pkt.data, pkt.size);
av_free_packet(&pkt);
}
if(pkt.pts != AV_NOPTS_VALUE){
dp->pts=pkt.pts * av_q2d(priv->avfc->streams[id]->time_base);
priv->last_pts= dp->pts * AV_TIME_BASE;
}
dp->pos=demux->filepos;
dp->flags= !!(pkt.flags&PKT_FLAG_KEY);
// append packet to DS stream:
ds_add_packet(ds,dp);
return 1;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_y4m_fill_buffer(demuxer_t *demux, demux_stream_t *dsds) {
demux_stream_t *ds=demux->video;
demux_packet_t *dp;
y4m_priv_t *priv=demux->priv;
y4m_frame_info_t fi;
unsigned char *buf[3];
int err, size;
y4m_init_frame_info(&fi);
demux->filepos=stream_tell(demux->stream);
size = ((sh_video_t*)ds->sh)->disp_w*((sh_video_t*)ds->sh)->disp_h;
dp = new_demux_packet(3*size/2);
/* swap U and V components */
buf[0] = dp->buffer;
buf[1] = dp->buffer + 5*size/4;
buf[2] = dp->buffer + size;
if (priv->is_older)
{
int c;
c = stream_read_char(demux->stream); /* F */
if (c == -256)
return 0; /* EOF */
if (c != 'F')
{
mp_msg(MSGT_DEMUX, MSGL_V, "Bad frame at %d\n", (int)stream_tell(demux->stream)-1);
return 0;
}
stream_skip(demux->stream, 5); /* RAME\n */
stream_read(demux->stream, buf[0], size);
stream_read(demux->stream, buf[1], size/4);
stream_read(demux->stream, buf[2], size/4);
}
else
{
if ((err=y4m_read_frame(demux->stream, priv->si, &fi, buf)) != Y4M_OK) {
mp_msg(MSGT_DEMUX, MSGL_V, "error reading frame %s\n", y4m_strerr(err));
return 0;
}
}
/* This seems to be the right way to calculate the presentation time stamp */
dp->pts=(float)priv->framenum/((sh_video_t*)ds->sh)->fps;
priv->framenum++;
dp->pos=demux->filepos;
dp->flags=0;
ds_add_packet(ds, dp);
return 1;
}
static void demux_ty_CopyToDemuxPacket( demux_stream_t *ds,
unsigned char *buffer, int size, loff_t pos, int64_t pts )
{
demux_packet_t *dp = new_demux_packet( size );
memcpy( dp->buffer, buffer, size );
if (pts != MP_NOPTS_VALUE)
dp->pts = pts / 90000.0;
dp->pos = pos;
dp->flags = 0;
ds_add_packet( ds, dp );
}
static void stream_add_packet(Nemesi_DemuxerStreamData * ndsd,
Nemesi_SessionType stype,
demux_stream_t* ds, rtp_frame * fr)
{
demux_packet_t* dp = new_demux_packet(fr->len);
memcpy(dp->buffer, fr->data, fr->len);
fr->time_sec += ndsd->seek;
ndsd->time[stype] = dp->pts = fr->time_sec;
ds_add_packet(ds, dp);
}
void ds_read_packet(demux_stream_t *ds, stream_t *stream, int len,
double pts, off_t pos, bool keyframe)
{
demux_packet_t *dp = new_demux_packet(len);
len = stream_read(stream, dp->buffer, len);
resize_demux_packet(dp, len);
dp->pts = pts;
dp->pos = pos;
dp->keyframe = keyframe;
// append packet to DS stream:
ds_add_packet(ds, dp);
}
static int demux_aac_adif_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
aac_adif_priv_t *priv = (aac_adif_priv_t *) demuxer->priv;
demux_packet_t *dp;
int c1, c2, len, srate, num;
float tm = 0;
if(demuxer->stream->eof || (demuxer->movi_end && stream_tell(demuxer->stream) >= demuxer->movi_end))
return 0;
len = READLEN;
dp = new_demux_packet(len);
if(! dp)
{
fprintf(stderr,"fill_buffer,NEW ADIF PACKET(%d)FAILED\n", len);
mp_msg(MSGT_DEMUX, MSGL_ERR, "fill_buffer, NEW ADIF PACKET(%d)FAILED\n", len);
return 0;
}
len = stream_read(demuxer->stream, dp->buffer, READLEN);
if (len != READLEN)
len = len;
if(priv->bitrate)
{
tm = (len * 8);
tm /= (priv->bitrate); // FIXME assumes CBR
}
priv->last_pts += tm;
dp->len = len;
dp->pts = priv->last_pts;
// fprintf(stderr, "\nPTS: %.3f\n", dp->pts);
ds_add_packet(demuxer->audio, dp);
priv->size += len;
priv->time += tm;
demuxer->filepos = stream_tell(demuxer->stream);
return len;
}
static int demux_rawaudio_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
sh_audio_t* sh_audio = demuxer->audio->sh;
int l = sh_audio->wf->nAvgBytesPerSec;
int64_t spos = stream_tell(demuxer->stream);
demux_packet_t* dp;
if(demuxer->stream->eof)
return 0;
dp = new_demux_packet(l);
dp->pts = (spos - demuxer->movi_start) / (float)(sh_audio->wf->nAvgBytesPerSec);
dp->pos = (spos - demuxer->movi_start);
l = stream_read(demuxer->stream,dp->buffer,l);
resize_demux_packet(dp, l);
ds_add_packet(ds,dp);
return 1;
}
static int demux_vqf_fill_buffer(demuxer_t* demuxer, demux_stream_t *ds) {
sh_audio_t* sh_audio = demuxer->audio->sh;
int l = sh_audio->wf->nAvgBytesPerSec;
loff_t spos = stream_tell(demuxer->stream);
demux_packet_t* dp;
if(stream_eof(demuxer->stream))
return 0;
dp = new_demux_packet(l);
ds->pts = spos / (float)(sh_audio->wf->nAvgBytesPerSec);
ds->pos = spos;
l=stream_read(demuxer->stream,dp->buffer,l);
resize_demux_packet(dp,l);
ds_add_packet(ds,dp);
return 1;
}
void add_audio_packet(double ts,unsigned char *p,int len)
{
//LOGE("a pts %f len:%d %x\n",ts,len,p);
demux_packet_t* dp;
dp = new_demux_packet(len);
cur_ts=ts;
// LOGE("end a pts %f len:%d %x\n",ts,len,p);
if(dp)
{
memcpy(dp->buffer, p, len);
mtv_pos +=len;
dp->pts = ts;
dp->pos = mtv_pos;
dp->len = len;
dp->flags = 0;
ds_add_packet(dsdemuxer->audio, dp);
}
//LOGE("AUD pts %f len:%d \n",ts,len);
}
void add_video_packet(double ts,unsigned char *p,int len)
{
//LOGE("v pts %f len:%d %x\n",ts,len,p);
demux_packet_t* dp;
dp = new_demux_packet(len);
// cur_ts=ts;
if(dp)
{
memcpy(dp->buffer, p, len);
mtv_pos +=len;
dp->pts = ts;
dp->pos = mtv_pos;
dp->len = len;
dp->flags = 0;
ds_add_packet(dsdemuxer->video, dp);
}
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_film_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
int i;
unsigned char byte_swap;
int cvid_size;
sh_video_t *sh_video = demuxer->video->sh;
sh_audio_t *sh_audio = demuxer->audio->sh;
film_data_t *film_data = (film_data_t *)demuxer->priv;
film_chunk_t film_chunk;
int length_fix_bytes;
demux_packet_t* dp;
// see if the end has been reached
if (film_data->current_chunk >= film_data->total_chunks)
return 0;
film_chunk = film_data->chunks[film_data->current_chunk];
// position stream and fetch chunk
stream_seek(demuxer->stream, film_chunk.chunk_offset);
// load the chunks manually (instead of using ds_read_packet()), since
// they require some adjustment
// (all ones in syncinfo1 indicates an audio chunk)
if (film_chunk.syncinfo1 == 0xFFFFFFFF)
{
if(demuxer->audio->id>=-1){ // audio not disabled
dp = new_demux_packet(film_chunk.chunk_size);
if (stream_read(demuxer->stream, dp->buffer, film_chunk.chunk_size) !=
film_chunk.chunk_size)
return 0;
dp->pts = film_chunk.pts;
dp->pos = film_chunk.chunk_offset;
dp->flags = 0;
// adjust the data before queuing it:
// 8-bit: signed -> unsigned
// 16-bit: big-endian -> little-endian
if (sh_audio->wf->wBitsPerSample == 8)
for (i = 0; i < film_chunk.chunk_size; i++)
dp->buffer[i] += 128;
else
for (i = 0; i < film_chunk.chunk_size; i += 2)
{
byte_swap = dp->buffer[i];
dp->buffer[i] = dp->buffer[i + 1];
dp->buffer[i + 1] = byte_swap;
}
/* for SegaSaturn .cpk file, translate audio data if stereo */
if (sh_audio->wf->nChannels == 2) {
if (sh_audio->wf->wBitsPerSample == 8) {
unsigned char* tmp = dp->buffer;
unsigned char buf[film_chunk.chunk_size];
for(i = 0; i < film_chunk.chunk_size/2; i++) {
buf[i*2] = tmp[i];
buf[i*2+1] = tmp[film_chunk.chunk_size/2+i];
}
memcpy( tmp, buf, film_chunk.chunk_size );
}
else {/* for 16bit */
unsigned short* tmp = dp->buffer;
unsigned short buf[film_chunk.chunk_size/2];
for(i = 0; i < film_chunk.chunk_size/4; i++) {
buf[i*2] = tmp[i];
buf[i*2+1] = tmp[film_chunk.chunk_size/4+i];
}
memcpy( tmp, buf, film_chunk.chunk_size );
}
}
// append packet to DS stream
ds_add_packet(demuxer->audio, dp);
}
}
else
{
// if the demuxer is dealing with CVID data, deal with it a special way
if (sh_video->format == mmioFOURCC('c', 'v', 'i', 'd'))
{
if (film_data->film_version)
length_fix_bytes = 2;
else
length_fix_bytes = 6;
// account for the fix bytes when allocating the buffer
dp = new_demux_packet(film_chunk.chunk_size - length_fix_bytes);
// these CVID data chunks have a few extra bytes; skip them
if (stream_read(demuxer->stream, dp->buffer, 10) != 10)
return 0;
stream_skip(demuxer->stream, length_fix_bytes);
if (stream_read(demuxer->stream, dp->buffer + 10,
film_chunk.chunk_size - (10 + length_fix_bytes)) !=
(film_chunk.chunk_size - (10 + length_fix_bytes)))
return 0;
dp->pts = film_chunk.pts;
dp->pos = film_chunk.chunk_offset;
dp->flags = (film_chunk.syncinfo1 & 0x80000000) ? 1 : 0;
// fix the CVID chunk size
cvid_size = film_chunk.chunk_size - length_fix_bytes;
dp->buffer[1] = (cvid_size >> 16) & 0xFF;
dp->buffer[2] = (cvid_size >> 8) & 0xFF;
dp->buffer[3] = (cvid_size >> 0) & 0xFF;
// append packet to DS stream
ds_add_packet(demuxer->video, dp);
}
else
{
ds_read_packet(demuxer->video, demuxer->stream, film_chunk.chunk_size,
film_chunk.pts,
film_chunk.chunk_offset, (film_chunk.syncinfo1 & 0x80000000) ? 1 : 0);
}
}
static int demux_lavf_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
lavf_priv_t *priv= demux->priv;
AVPacket pkt;
demux_packet_t *dp;
demux_stream_t *ds;
int id;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"demux_lavf_fill_buffer()\n");
demux->filepos=stream_tell(demux->stream);
if(demux->a_changed_id != -2){
if(demux->a_changed_id!=demux->audio->id && demux->a_streams[demux->a_changed_id]){
priv->avfc->streams[demux->audio->id]->discard = AVDISCARD_ALL;
demux->audio->id = demux->a_changed_id;
demux->audio->sh = demux->a_streams[demux->audio->id];
priv->avfc->streams[demux->audio->id]->discard = AVDISCARD_NONE;
}
demux->a_changed_id = -2;
}
if(demux->s_changed_id){
if(demux->s_changed_id!=demux->sub->id){
priv->avfc->streams[demux->sub->id]->discard = AVDISCARD_ALL;
demux->sub->id = demux->s_changed_id;
demux->sub->sh = demux->s_streams[demux->sub->id];
priv->avfc->streams[demux->sub->id]->discard = AVDISCARD_NONE;
}
demux->s_changed_id = 0;
}
if(av_read_frame(priv->avfc, &pkt) < 0)
return 0;
id= pkt.stream_index;
if(id==demux->audio->id){
// audio
ds=demux->audio;
if(!ds->sh){
ds->sh=demux->a_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF audio ID = %d\n",ds->id);
}
} else if(id==demux->video->id){
// video
ds=demux->video;
if(!ds->sh){
ds->sh=demux->v_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF video ID = %d\n",ds->id);
}
} else if(id==demux->sub->id){
// subtitle
ds=demux->sub;
sub_utf8=1;
} else {
av_free_packet(&pkt);
return 1;
}
if(pkt.destruct == av_destruct_packet && !CONFIG_MEMALIGN_HACK){
dp=new_demux_packet(0);
dp->len=pkt.size;
dp->buffer=pkt.data;
pkt.destruct= NULL;
}else{
dp=new_demux_packet(pkt.size);
memcpy(dp->buffer, pkt.data, pkt.size);
av_free_packet(&pkt);
}
if(pkt.pts != AV_NOPTS_VALUE){
dp->pts=pkt.pts * av_q2d(priv->avfc->streams[id]->time_base);
#if 0
if(demux->filepos <= demux->movi_start + 1 && dp->pts > 10.0){
start_time = dp->pts;
}
dp->pts -= start_time;
#endif
priv->last_pts= dp->pts * AV_TIME_BASE;
// always set endpts for subtitles, even if PKT_FLAG_KEY is not set,
// otherwise they will stay on screen to long if e.g. ASS is demuxed from mkv
if((ds == demux->sub || (pkt.flags & PKT_FLAG_KEY)) &&
pkt.convergence_duration > 0)
dp->endpts = dp->pts + pkt.convergence_duration * av_q2d(priv->avfc->streams[id]->time_base);
}
dp->pos=demux->filepos;
dp->flags= !!(pkt.flags&PKT_FLAG_KEY);
// append packet to DS stream:
ds_add_packet(ds,dp);
return 1;
}
static int demux_avs_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
AVS_VideoFrame *curr_frame;
demux_packet_t *dp = NULL;
AVS_T *AVS = demuxer->priv;
if (ds == demuxer->video)
{
sh_video_t *sh_video = demuxer->video->sh;
char *dst;
int w, h;
if (AVS->video_info->num_frames <= AVS->frameno) return 0; // EOF
curr_frame = AVS->avs_get_frame(AVS->clip, AVS->frameno);
if (!curr_frame)
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: error getting frame -- EOF??\n");
return 0;
}
w = curr_frame->row_size;
h = curr_frame->height;
dp = new_demux_packet(w * h + 2 * (w / 2) * (h / 2));
dp->pts=AVS->frameno / sh_video->fps;
dst = dp->buffer;
memcpy_pic(dst, curr_frame->vfb->data + curr_frame->offset,
w, h, w, curr_frame->pitch);
dst += w * h;
w /= 2; h /= 2;
memcpy_pic(dst, curr_frame->vfb->data + curr_frame->offsetV,
w, h, w, curr_frame->pitchUV);
dst += w * h;
memcpy_pic(dst, curr_frame->vfb->data + curr_frame->offsetU,
w, h, w, curr_frame->pitchUV);
ds_add_packet(demuxer->video, dp);
AVS->frameno++;
AVS->avs_release_video_frame(curr_frame);
}
/* Audio */
if (ds == demuxer->audio)
{
sh_audio_t *sh_audio = ds->sh;
int samples = sh_audio->samplerate;
uint64_t l;
samples = FFMIN(samples, AVS->video_info->num_audio_samples - AVS->sampleno);
if (!samples) return 0;
l = samples * sh_audio->channels * sh_audio->samplesize;
if (l > INT_MAX) {
mp_msg(MSGT_DEMUX, MSGL_FATAL, "AVS: audio packet too big\n");
return 0;
}
dp = new_demux_packet(l);
dp->pts = AVS->sampleno / sh_audio->samplerate;
if (AVS->avs_get_audio(AVS->clip, dp->buffer, AVS->sampleno, samples))
{
mp_msg(MSGT_DEMUX, MSGL_V, "AVS: avs_get_audio() failed\n");
return 0;
}
ds_add_packet(demuxer->audio, dp);
AVS->sampleno += samples;
}
return 1;
}
/**
* \brief MPlayer callback: Fill buffer from MNG stream.
* \param[in] demuxer demuxer structure
* \param[in] ds demuxer stream
* \return \p 1 on success, \p 0 on error
*/
static int demux_mng_fill_buffer(demuxer_t * demuxer,
demux_stream_t * ds)
{
mng_priv_t * mng_priv = demuxer->priv;
mng_handle h_mng = mng_priv->h_mng;
mng_retcode mng_ret;
demux_packet_t * dp;
// exit if animation is finished
if (mng_priv->finished)
return 0;
// advance animation to requested next show time
while (mng_priv->anim_cur_time_ms + mng_priv->anim_frame_duration_ms
<= mng_priv->show_next_time_ms && !mng_priv->finished) {
// advance global and animation time
mng_priv->global_time_ms += mng_priv->anim_frame_duration_ms;
mng_priv->anim_cur_time_ms += mng_priv->anim_frame_duration_ms;
// Clear variable MNG library will write number of milliseconds to
// (via settimer callback).
mng_priv->timer_ms = 0;
// get next image from MNG library
if (mng_priv->displaying)
mng_ret = mng_display_resume(h_mng); // resume displaying MNG data
// to canvas
else
mng_ret = mng_display(h_mng); // start displaying MNG data to canvas
if (mng_ret && mng_ret != MNG_NEEDTIMERWAIT) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"demux_mng: could not display MNG data to canvas: "
"mng_retcode %d\n", mng_ret);
return 0;
}
mng_priv->displaying = 1; // mng_display() has been called now
mng_priv->finished = mng_ret == 0; // animation is finished iff
// mng_display() returned 0
// save current frame duration
mng_priv->anim_frame_duration_ms = mng_priv->timer_ms < 1
? 1 : mng_priv->timer_ms;
} // while (mng_priv->anim_cur_time_ms + ...
// create a new demuxer packet
dp = new_demux_packet(mng_priv->height * mng_priv->width * 4);
// copy image data into demuxer packet
memcpy(dp->buffer, mng_priv->canvas,
mng_priv->height * mng_priv->width * 4);
// set current show time to requested show time
mng_priv->show_cur_time_ms = mng_priv->show_next_time_ms;
// get time of next frame to show
mng_priv->show_next_time_ms = mng_priv->anim_cur_time_ms
+ mng_priv->anim_frame_duration_ms;
// Set position and timing information in demuxer video and demuxer packet.
// - Time must be time of next frame and always be > 0 for the variable
// frame time mechanism (GIF, MATROSKA, MNG) in video.c to work.
demuxer->video->dpos++;
dp->pts = (float)mng_priv->show_next_time_ms / 1000.0f + MNG_START_PTS;
dp->pos = stream_tell(demuxer->stream);
ds_add_packet(demuxer->video, dp);
return 1;
}
static int demux_aac_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds)
{
aac_priv_t *priv = (aac_priv_t *) demuxer->priv;
demux_packet_t *dp;
int c1, c2, len, srate, num;
float tm = 0;
if(demuxer->stream->eof || (demuxer->movi_end && stream_tell(demuxer->stream) >= demuxer->movi_end))
return 0;
while(! demuxer->stream->eof)
{
c1 = c2 = 0;
while(c1 != 0xFF)
{
c1 = stream_read_char(demuxer->stream);
if(c1 < 0)
return 0;
}
c2 = stream_read_char(demuxer->stream);
if(c2 < 0)
return 0;
if((c2 & 0xF6) != 0xF0)
continue;
priv->buf[0] = (unsigned char) c1;
priv->buf[1] = (unsigned char) c2;
if(stream_read(demuxer->stream, &(priv->buf[2]), 6) < 6)
return 0;
len = aac_parse_frame(priv->buf, &srate, &num);
if(len > 0)
{
dp = new_demux_packet(len);
if(! dp)
{
mp_msg(MSGT_DEMUX, MSGL_ERR, "fill_buffer, NEW_ADD_PACKET(%d)FAILED\n", len);
return 0;
}
memcpy(dp->buffer, priv->buf, 8);
stream_read(demuxer->stream, &(dp->buffer[8]), len-8);
if(srate)
tm = (float) (num * 1024.0/srate);
priv->last_pts += tm;
dp->pts = priv->last_pts;
//fprintf(stderr, "\nPTS: %.3f\n", dp->pts);
ds_add_packet(demuxer->audio, dp);
priv->size += len;
priv->time += tm;
priv->bitrate = (int) (priv->size / priv->time);
demuxer->filepos = stream_tell(demuxer->stream);
return len;
}
else
stream_skip(demuxer->stream, -6);
}
return 0;
}
static demux_packet_t* getBuffer(demuxer_t* demuxer, demux_stream_t* ds,
Boolean mustGetNewData,
float& ptsBehind) {
// Begin by finding the buffer queue that we want to read from:
// (Get this from the RTP state, which we stored in
// the demuxer's 'priv' field)
RTPState* rtpState = (RTPState*)(demuxer->priv);
ReadBufferQueue* bufferQueue = NULL;
int headersize = 0;
TaskToken task;
if (demuxer->stream->eof) return NULL;
if (ds == demuxer->video) {
bufferQueue = rtpState->videoBufferQueue;
if (((sh_video_t*)ds->sh)->format == mmioFOURCC('H','2','6','4'))
headersize = 3;
} else if (ds == demuxer->audio) {
bufferQueue = rtpState->audioBufferQueue;
if (bufferQueue->readSource()->isAMRAudioSource())
headersize = 1;
} else {
fprintf(stderr, "(demux_rtp)getBuffer: internal error: unknown stream\n");
return NULL;
}
if (bufferQueue == NULL || bufferQueue->readSource() == NULL) {
fprintf(stderr, "(demux_rtp)getBuffer failed: no appropriate RTP subsession has been set up\n");
return NULL;
}
demux_packet_t* dp = NULL;
if (!mustGetNewData) {
// Check whether we have a previously-saved buffer that we can use:
dp = bufferQueue->getPendingBuffer();
if (dp != NULL) {
ptsBehind = 0.0; // so that we always accept this data
return dp;
}
}
// Allocate a new packet buffer, and arrange to read into it:
if (!bufferQueue->nextpacket) {
dp = new_demux_packet(MAX_RTP_FRAME_SIZE);
bufferQueue->dp = dp;
if (dp == NULL) return NULL;
}
#ifdef CONFIG_LIBAVCODEC
extern AVCodecParserContext * h264parserctx;
int consumed, poutbuf_size = 1;
const uint8_t *poutbuf = NULL;
float lastpts = 0.0;
do {
if (!bufferQueue->nextpacket) {
#endif
// Schedule the read operation:
bufferQueue->blockingFlag = 0;
bufferQueue->readSource()->getNextFrame(&dp->buffer[headersize], MAX_RTP_FRAME_SIZE - headersize,
afterReading, bufferQueue,
onSourceClosure, bufferQueue);
// Block ourselves until data becomes available:
TaskScheduler& scheduler
= bufferQueue->readSource()->envir().taskScheduler();
int delay = 10000000;
if (bufferQueue->prevPacketPTS * 1.05 > rtpState->mediaSession->playEndTime())
delay /= 10;
task = scheduler.scheduleDelayedTask(delay, onSourceClosure, bufferQueue);
scheduler.doEventLoop(&bufferQueue->blockingFlag);
scheduler.unscheduleDelayedTask(task);
if (demuxer->stream->eof) {
free_demux_packet(dp);
return NULL;
}
if (headersize == 1) // amr
dp->buffer[0] =
((AMRAudioSource*)bufferQueue->readSource())->lastFrameHeader();
#ifdef CONFIG_LIBAVCODEC
} else {
bufferQueue->dp = dp = bufferQueue->nextpacket;
bufferQueue->nextpacket = NULL;
}
if (headersize == 3 && h264parserctx) { // h264
consumed = h264parserctx->parser->parser_parse(h264parserctx,
avcctx,
&poutbuf, &poutbuf_size,
dp->buffer, dp->len);
if (!consumed && !poutbuf_size)
return NULL;
if (!poutbuf_size) {
lastpts=dp->pts;
free_demux_packet(dp);
bufferQueue->dp = dp = new_demux_packet(MAX_RTP_FRAME_SIZE);
} else {
bufferQueue->nextpacket = dp;
bufferQueue->dp = dp = new_demux_packet(poutbuf_size);
memcpy(dp->buffer, poutbuf, poutbuf_size);
dp->pts=lastpts;
}
}
} while (!poutbuf_size);
#endif
// Set the "ptsBehind" result parameter:
if (bufferQueue->prevPacketPTS != 0.0
&& bufferQueue->prevPacketWasSynchronized
&& *(bufferQueue->otherQueue) != NULL
&& (*(bufferQueue->otherQueue))->prevPacketPTS != 0.0
&& (*(bufferQueue->otherQueue))->prevPacketWasSynchronized) {
ptsBehind = (*(bufferQueue->otherQueue))->prevPacketPTS
- bufferQueue->prevPacketPTS;
} else {
ptsBehind = 0.0;
}
if (mustGetNewData) {
// Save this buffer for future reads:
bufferQueue->savePendingBuffer(dp);
}
return dp;
}
static int demux_lavf_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
lavf_priv_t *priv= demux->priv;
AVPacket pkt;
demux_packet_t *dp;
demux_stream_t *ds;
int id;
mp_msg(MSGT_DEMUX,MSGL_DBG2,"demux_lavf_fill_buffer()\n");
demux->filepos=stream_tell(demux->stream);
if(av_read_frame(priv->avfc, &pkt) < 0)
return 0;
// handle any new streams that might have been added
for (id = priv->nb_streams_last; id < priv->avfc->nb_streams; id++)
handle_stream(demux, priv->avfc, id);
priv->nb_streams_last = priv->avfc->nb_streams;
id= pkt.stream_index;
if(id==demux->audio->id){
// audio
ds=demux->audio;
if(!ds->sh){
ds->sh=demux->a_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF audio ID = %d\n",ds->id);
}
} else if(id==demux->video->id){
// video
ds=demux->video;
if(!ds->sh){
ds->sh=demux->v_streams[id];
mp_msg(MSGT_DEMUX,MSGL_V,"Auto-selected LAVF video ID = %d\n",ds->id);
}
} else if(id==demux->sub->id){
// subtitle
ds=demux->sub;
sub_utf8=1;
} else {
av_free_packet(&pkt);
return 1;
}
if(pkt.destruct == av_destruct_packet && !CONFIG_MEMALIGN_HACK){
dp=new_demux_packet(0);
dp->len=pkt.size;
dp->buffer=pkt.data;
pkt.destruct= NULL;
}else{
dp=new_demux_packet(pkt.size);
memcpy(dp->buffer, pkt.data, pkt.size);
av_free_packet(&pkt);
}
if(pkt.pts != AV_NOPTS_VALUE){
dp->pts=pkt.pts * av_q2d(priv->avfc->streams[id]->time_base);
priv->last_pts= dp->pts * AV_TIME_BASE;
if(pkt.duration > 0)
dp->endpts = dp->pts + pkt.duration * av_q2d(priv->avfc->streams[id]->time_base);
/* subtitle durations are sometimes stored in convergence_duration */
if(ds == demux->sub && pkt.convergence_duration > 0)
dp->endpts = dp->pts + pkt.convergence_duration * av_q2d(priv->avfc->streams[id]->time_base);
}
dp->pos=demux->filepos;
dp->flags= !!(pkt.flags&AV_PKT_FLAG_KEY);
// append packet to DS stream:
ds_add_packet(ds,dp);
return 1;
}
static int pva_get_payload(demuxer_t *d, pva_payload_t *payload)
{
uint8_t flags,pes_head_len;
uint16_t pack_size;
off_t next_offset,pva_payload_start;
unsigned char buffer[256];
#ifndef PVA_NEW_PREBYTES_CODE
demux_packet_t * dp; //hack to deliver the preBytes (see PVA doc)
#endif
pva_priv_t * priv;
if(d==NULL)
{
mp_msg(MSGT_DEMUX,MSGL_ERR,"demux_pva: pva_get_payload got passed a NULL pointer!\n");
return 0;
}
priv = (pva_priv_t *)d->priv;
d->filepos=stream_tell(d->stream);
if(d->stream->eof)
{
mp_msg(MSGT_DEMUX,MSGL_V,"demux_pva: pva_get_payload() detected stream->eof!!!\n");
return 0;
}
//printf("priv->just_synced %s\n",priv->just_synced?"SET":"UNSET");
#ifdef PVA_NEW_PREBYTES_CODE
if(priv->prebytes_delivered)
/* The previous call to this fn has delivered the preBytes. Then we are already inside
* the payload. Let's just deliver the video along with its right PTS, the one we stored
* in the priv structure and was in the PVA header before the PreBytes.
*/
{
//printf("prebytes_delivered=1. Resetting.\n");
payload->size = priv->video_size_after_prebytes;
payload->pts = priv->video_pts_after_prebytes;
payload->is_packet_start = 1;
payload->offset = stream_tell(d->stream);
payload->type = VIDEOSTREAM;
priv->prebytes_delivered = 0;
return 1;
}
#endif
if(!priv->just_synced)
{
if(stream_read_word(d->stream) != (('A'<<8)|'V'))
{
mp_msg(MSGT_DEMUX,MSGL_V,"demux_pva: pva_get_payload() missed a SyncWord at %"PRId64"!! Trying to sync...\n",(int64_t)stream_tell(d->stream));
if(!pva_sync(d))
{
if (!d->stream->eof)
{
mp_msg(MSGT_DEMUX,MSGL_ERR,"demux_pva: couldn't sync! (broken file?)");
}
return 0;
}
}
}
if(priv->just_synced)
{
payload->type=priv->synced_stream_id;
priv->just_synced=0;
}
else
{
payload->type=stream_read_char(d->stream);
stream_skip(d->stream,2); //counter and reserved
}
flags=stream_read_char(d->stream);
payload->is_packet_start=flags & 0x10;
pack_size=stream_read_word(d->stream);
mp_msg(MSGT_DEMUX,MSGL_DBG2,"demux_pva::pva_get_payload(): pack_size=%u field read at offset %"PRIu64"\n",pack_size,(int64_t)stream_tell(d->stream)-2);
pva_payload_start=stream_tell(d->stream);
next_offset=pva_payload_start+pack_size;
/*
* The code in the #ifdef directive below is a hack needed to get badly formatted PVA files
* such as the ones written by MultiDec played back correctly.
* Basically, it works like this: if the PVA packet does not signal a PES header, but the
* payload looks like one, let's assume it IS one. It has worked for me up to now.
* It can be disabled since it's quite an ugly hack and could potentially break things up
* if the PVA audio payload happens to start with 0x000001 even without being a non signalled
* PES header start.
* Though it's quite unlikely, it potentially could (AFAIK).
*/
#ifdef DEMUX_PVA_MULTIDEC_HACK
if(payload->type==MAINAUDIOSTREAM)
{
stream_read(d->stream,buffer,3);
if(buffer[0]==0x00 && buffer[1]==0x00 && buffer[2]==0x01 && !payload->is_packet_start)
{
mp_msg(MSGT_DEMUX,MSGL_V,"demux_pva: suspecting non signaled audio PES packet start. Maybe file by MultiDec?\n");
payload->is_packet_start=1;
}
stream_seek(d->stream,stream_tell(d->stream)-3);
}
#endif
if(!payload->is_packet_start)
{
payload->offset=stream_tell(d->stream);
payload->size=pack_size;
}
else
{ //here comes the good part...
switch(payload->type)
{
case VIDEOSTREAM:
payload->pts=(float)(stream_read_dword(d->stream))/90000;
//printf("Video PTS: %f\n",payload->pts);
if((flags&0x03)
#ifdef PVA_NEW_PREBYTES_CODE
&& !priv->prebytes_delivered
#endif
)
{
#ifndef PVA_NEW_PREBYTES_CODE
dp=new_demux_packet(flags&0x03);
stream_read(d->stream,dp->buffer,flags & 0x03); //read PreBytes
ds_add_packet(d->video,dp);
#else
//printf("Delivering prebytes. Setting prebytes_delivered.");
payload->offset=stream_tell(d->stream);
payload->size = flags & 0x03;
priv->video_pts_after_prebytes = payload->pts;
priv->video_size_after_prebytes = pack_size - 4 - (flags & 0x03);
payload->pts=priv->last_video_pts;
payload->is_packet_start=0;
priv->prebytes_delivered=1;
return 1;
#endif
}
//now we are at real beginning of payload.
payload->offset=stream_tell(d->stream);
//size is pack_size minus PTS size minus PreBytes size.
payload->size=pack_size - 4 - (flags & 0x03);
break;
case MAINAUDIOSTREAM:
stream_skip(d->stream,3); //FIXME properly parse PES header.
//printf("StreamID in audio PES header: 0x%2X\n",stream_read_char(d->stream));
stream_skip(d->stream,4);
buffer[255]=stream_read_char(d->stream);
pes_head_len=stream_read_char(d->stream);
stream_read(d->stream,buffer,pes_head_len);
if(!(buffer[255]&0x80)) //PES header does not contain PTS.
{
mp_msg(MSGT_DEMUX,MSGL_V,"Audio PES packet does not contain PTS. (pes_head_len=%d)\n",pes_head_len);
payload->pts=priv->last_audio_pts;
break;
}
else //PES header DOES contain PTS
{
if((buffer[0] & 0xf0)!=0x20) // PTS badly formatted
{
mp_msg(MSGT_DEMUX,MSGL_V,"demux_pva: expected audio PTS but badly formatted... (read 0x%02X). Falling back to previous PTS (hack).\n",buffer[0]);
payload->pts=priv->last_audio_pts;
// return 0;
}
else
{
uint64_t temp_pts;
temp_pts=0LL;
temp_pts|=((uint64_t)(buffer[0] & 0x0e) << 29);
temp_pts|=buffer[1]<<22;
temp_pts|=(buffer[2] & 0xfe) << 14;
temp_pts|=buffer[3]<<7;
temp_pts|=(buffer[4] & 0xfe) >> 1;
/*
* PTS parsing is hopefully finished.
*/
payload->pts=(float)temp_pts/90000;
}
}
payload->offset=stream_tell(d->stream);
payload->size=pack_size-stream_tell(d->stream)+pva_payload_start;
break;
}
}
return 1;
}
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_pva_fill_buffer (demuxer_t * demux, demux_stream_t *ds)
{
uint8_t done=0;
demux_packet_t * dp;
pva_priv_t * priv=demux->priv;
pva_payload_t current_payload;
while(!done)
{
if(!pva_get_payload(demux,¤t_payload)) return 0;
switch(current_payload.type)
{
case VIDEOSTREAM:
if(demux->video->id==-1) demux->video->id=0;
if(!current_payload.is_packet_start && priv->last_video_pts==-1)
{
/* We should only be here at the beginning of a stream, when we have
* not yet encountered a valid Video PTS, or after a seek.
* So, skip these starting packets in order not to deliver the
* player a bogus PTS.
*/
done=0;
}
else
{
/*
* In every other condition, we are delivering the payload. Set this
* so that the following code knows whether to skip it or read it.
*/
done=1;
}
if(demux->video->id!=0) done=0;
if(current_payload.is_packet_start)
{
priv->last_video_pts=current_payload.pts;
//mp_msg(MSGT_DEMUXER,MSGL_DBG2,"demux_pva: Video PTS=%llu , delivered %f\n",current_payload.pts,priv->last_video_pts);
}
if(done)
{
dp=new_demux_packet(current_payload.size);
dp->pts=priv->last_video_pts;
stream_read(demux->stream,dp->buffer,current_payload.size);
ds_add_packet(demux->video,dp);
}
else
{
//printf("Skipping %u video bytes\n",current_payload.size);
stream_skip(demux->stream,current_payload.size);
}
break;
case MAINAUDIOSTREAM:
if(demux->audio->id==-1) demux->audio->id=0;
if(!current_payload.is_packet_start && priv->last_audio_pts==-1)
{
/* Same as above for invalid video PTS, just for audio. */
done=0;
}
else
{
done=1;
}
if(current_payload.is_packet_start)
{
priv->last_audio_pts=current_payload.pts;
}
if(demux->audio->id!=0) done=0;
if(done)
{
dp=new_demux_packet(current_payload.size);
dp->pts=priv->last_audio_pts;
if(current_payload.offset != stream_tell(demux->stream))
stream_seek(demux->stream,current_payload.offset);
stream_read(demux->stream,dp->buffer,current_payload.size);
ds_add_packet(demux->audio,dp);
}
else
{
stream_skip(demux->stream,current_payload.size);
}
break;
}
}
return 1;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_vivo_fill_buffer(demuxer_t *demux, demux_stream_t *dsds){
demux_stream_t *ds=NULL;
int c;
int len=0;
int seq;
int prefix=0;
demux->filepos=stream_tell(demux->stream);
c=stream_read_char(demux->stream);
if (c == -256) /* EOF */
return 0;
// printf("c=%x,%02X\n",c,c&0xf0);
if (c == 0x82)
{
/* ok, this works, but pts calculating from header is required! */
#warning "Calculate PTS from picture header!"
prefix = 1;
c = stream_read_char(demux->stream);
mp_msg(MSGT_DEMUX, MSGL_V, "packet 0x82(pos=%u) chunk=%x\n",
(int)stream_tell(demux->stream), c);
}
switch(c&0xF0){
case 0x00: // header - skip it!
{
len=stream_read_char(demux->stream);
if(len>=0x80) len=0x80*(len-0x80)+stream_read_char(demux->stream);
mp_msg(MSGT_DEMUX, MSGL_V, "vivo extra header: %d bytes\n",len);
#ifdef TEXTPARSE_ALL
{
int pos;
/* also try to parse all headers */
pos = stream_tell(demux->stream);
vivo_parse_text_header(demux, len);
stream_seek(demux->stream, pos);
}
#endif
break;
}
case 0x10: // video packet
if (prefix == 1)
len = stream_read_char(demux->stream);
else
len=128;
ds=demux->video;
break;
case 0x20: // video packet
len=stream_read_char(demux->stream);
ds=demux->video;
break;
case 0x30: // audio packet
if (prefix == 1)
len = stream_read_char(demux->stream);
else
len=40; /* 40kbps */
ds=demux->audio;
audio_pos+=len;
break;
case 0x40: // audio packet
if (prefix == 1)
len = stream_read_char(demux->stream);
else
len=24; /* 24kbps */
ds=demux->audio;
audio_pos+=len;
break;
default:
mp_msg(MSGT_DEMUX,MSGL_WARN,"VIVO - unknown ID found: %02X at pos %"PRIu64" contact author!\n",
c, (int64_t)stream_tell(demux->stream));
return 0;
}
// printf("chunk=%x, len=%d\n", c, len);
if(!ds || ds->id<-1){
if(len) stream_skip(demux->stream,len);
return 1;
}
seq=c&0x0F;
if(ds->asf_packet){
if(ds->asf_seq!=seq){
// closed segment, finalize packet:
ds_add_packet(ds,ds->asf_packet);
ds->asf_packet=NULL;
// printf("packet!\n");
} else {
// append data to it!
demux_packet_t* dp=ds->asf_packet;
if(dp->len + len + FF_INPUT_BUFFER_PADDING_SIZE < 0)
return 0;
dp->buffer=realloc(dp->buffer,dp->len+len+FF_INPUT_BUFFER_PADDING_SIZE);
memset(dp->buffer+dp->len+len, 0, FF_INPUT_BUFFER_PADDING_SIZE);
//memcpy(dp->buffer+dp->len,data,len);
stream_read(demux->stream,dp->buffer+dp->len,len);
mp_dbg(MSGT_DEMUX,MSGL_DBG4,"data appended! %d+%d\n",dp->len,len);
dp->len+=len;
// we are ready now.
if((c&0xF0)==0x20) --ds->asf_seq; // hack!
return 1;
}
}
// create new packet:
{ demux_packet_t* dp;
dp=new_demux_packet(len);
//memcpy(dp->buffer,data,len);
stream_read(demux->stream,dp->buffer,len);
dp->pts=audio_rate?((float)audio_pos/(float)audio_rate):0;
// dp->flags=keyframe;
// if(ds==demux->video) printf("ASF time: %8d dur: %5d \n",time,dur);
dp->pos=demux->filepos;
ds->asf_packet=dp;
ds->asf_seq=seq;
// we are ready now.
return 1;
}
}
static int
demux_mkv_open_audio (FileInfo *finfo, mkv_track_t *track)
{
WAVEFORMATEX *finfowf = &finfo->wf;
if (track->ms_compat && (track->private_size >= sizeof(WAVEFORMATEX)))
{
WAVEFORMATEX *wf = (WAVEFORMATEX *)track->private_data;
finfowf->wFormatTag = le2me_16 (wf->wFormatTag);
finfowf->nChannels = le2me_16 (wf->nChannels);
finfowf->nSamplesPerSec = le2me_32 (wf->nSamplesPerSec);
finfowf->nAvgBytesPerSec = le2me_32 (wf->nAvgBytesPerSec);
finfowf->nBlockAlign = le2me_16 (wf->nBlockAlign);
finfowf->wBitsPerSample = le2me_16 (wf->wBitsPerSample);
if (track->a_sfreq == 0.0)
track->a_sfreq = finfowf->nSamplesPerSec;
if (track->a_channels == 0)
track->a_channels = finfowf->nChannels;
if (track->a_bps == 0)
track->a_bps = finfowf->wBitsPerSample;
track->a_formattag = finfowf->wFormatTag;
}
else
{
memset(finfowf, 0, sizeof (WAVEFORMATEX));
if (!strcmp(track->codec_id, MKV_A_MP3) ||
!strcmp(track->codec_id, MKV_A_MP2))
track->a_formattag = 0x0055;
else if (!strncmp(track->codec_id, MKV_A_AC3, strlen(MKV_A_AC3)))
track->a_formattag = 0x2000;
else if (!strncmp(track->codec_id, MKV_A_EAC3, strlen(MKV_A_EAC3)))
track->a_formattag = AUDIO_EAC3;
else if (!strcmp(track->codec_id, MKV_A_DTS))
{
track->a_formattag = 0x2001;
//dts_packet = 1;
}
else if (!strcmp(track->codec_id, MKV_A_PCM) ||
!strcmp(track->codec_id, MKV_A_PCM_BE))
track->a_formattag = 0x0001;
else if (!strcmp(track->codec_id, MKV_A_AAC_2MAIN) ||
!strncmp(track->codec_id, MKV_A_AAC_2LC,
strlen(MKV_A_AAC_2LC)) ||
!strcmp(track->codec_id, MKV_A_AAC_2SSR) ||
!strcmp(track->codec_id, MKV_A_AAC_4MAIN) ||
!strncmp(track->codec_id, MKV_A_AAC_4LC,
strlen(MKV_A_AAC_4LC)) ||
!strcmp(track->codec_id, MKV_A_AAC_4SSR) ||
!strcmp(track->codec_id, MKV_A_AAC_4LTP) ||
!strcmp(track->codec_id, MKV_A_AAC))
track->a_formattag = mmioFOURCC('M', 'P', '4', 'A');
else if (!strcmp(track->codec_id, MKV_A_VORBIS))
{
if (track->private_data == NULL)
return 1;
track->a_formattag = mmioFOURCC('v', 'r', 'b', 's');
}
else if (!strcmp(track->codec_id, MKV_A_QDMC))
track->a_formattag = mmioFOURCC('Q', 'D', 'M', 'C');
else if (!strcmp(track->codec_id, MKV_A_QDMC2))
track->a_formattag = mmioFOURCC('Q', 'D', 'M', '2');
else if (!strcmp(track->codec_id, MKV_A_WAVPACK))
track->a_formattag = mmioFOURCC('W', 'V', 'P', 'K');
else if (!strcmp(track->codec_id, MKV_A_TRUEHD))
track->a_formattag = mmioFOURCC('T', 'R', 'H', 'D');
else if (!strcmp(track->codec_id, MKV_A_FLAC))
{
if (track->private_data == NULL || track->private_size == 0)
{
mp_msg (MSGT_DEMUX, MSGL_WARN,
MSGTR_MPDEMUX_MKV_FlacTrackDoesNotContainValidHeaders);
return 1;
}
track->a_formattag = mmioFOURCC ('f', 'L', 'a', 'C');
}
else if (track->private_size >= RAPROPERTIES4_SIZE)
{
if (!strcmp(track->codec_id, MKV_A_REAL28))
track->a_formattag = mmioFOURCC('2', '8', '_', '8');
else if (!strcmp(track->codec_id, MKV_A_REALATRC))
track->a_formattag = mmioFOURCC('a', 't', 'r', 'c');
else if (!strcmp(track->codec_id, MKV_A_REALCOOK))
track->a_formattag = mmioFOURCC('c', 'o', 'o', 'k');
else if (!strcmp(track->codec_id, MKV_A_REALDNET))
track->a_formattag = mmioFOURCC('d', 'n', 'e', 't');
else if (!strcmp(track->codec_id, MKV_A_REALSIPR))
track->a_formattag = mmioFOURCC('s', 'i', 'p', 'r');
}
else
{
mp_msg (MSGT_DEMUX, MSGL_WARN, MSGTR_MPDEMUX_MKV_UnknownAudioCodec,
track->codec_id, track->tnum);
return 1;
}
}
finfowf->wFormatTag = track->a_formattag;
finfowf->nChannels = track->a_channels;
finfowf->nSamplesPerSec = (uint32_t) track->a_sfreq;
if (track->a_bps == 0)
{
finfowf->wBitsPerSample = 16;
}
else
{
finfowf->wBitsPerSample = track->a_bps;
}
if (track->a_formattag == 0x0055) /* MP3 || MP2 */
{
finfowf->nAvgBytesPerSec = 16000;
finfowf->nBlockAlign = 1152;
}
else if (track->a_formattag == 0x2000 )/* AC3 */
{
}
else if (track->a_formattag == AUDIO_EAC3 )/* EAC3 */
{
}
else if (track->a_formattag == 0x2001) /* DTS */
{
//dts_packet = 1;
}
else if (track->a_formattag == 0x0001) /* PCM || PCM_BE */
{
finfowf->nAvgBytesPerSec = track->a_channels * track->a_sfreq * 2;
finfowf->nBlockAlign = finfowf->nAvgBytesPerSec;
/*
if (!strcmp(track->codec_id, MKV_A_PCM_BE))
sh_a->format = mmioFOURCC('t', 'w', 'o', 's');
*/
}
else if (!strcmp(track->codec_id, MKV_A_QDMC) ||
!strcmp(track->codec_id, MKV_A_QDMC2))
{
finfowf->nAvgBytesPerSec = 16000;
finfowf->nBlockAlign = 1486;
track->fix_i_bps = 1;
track->qt_last_a_pts = 0.0;
}
else if (track->a_formattag == mmioFOURCC('M', 'P', '4', 'A'))
{
int profile, srate_idx;
finfowf->nAvgBytesPerSec = 16000;
finfowf->nBlockAlign = 1024;
if (!strcmp (track->codec_id, MKV_A_AAC) &&
(NULL != track->private_data))
{
return 0;
}
/* Recreate the 'private data' */
/* which faad2 uses in its initialization */
srate_idx = aac_get_sample_rate_index (track->a_sfreq);
if (!strncmp (&track->codec_id[12], "MAIN", 4))
profile = 0;
else if (!strncmp (&track->codec_id[12], "LC", 2))
profile = 1;
else if (!strncmp (&track->codec_id[12], "SSR", 3))
profile = 2;
else
profile = 3;
if (strstr(track->codec_id, "SBR") != NULL)
{
/* HE-AAC (aka SBR AAC) */
track->default_duration = 1024.0 / finfowf->nSamplesPerSec;
finfowf->nSamplesPerSec *= 2;
}
else
{
track->default_duration = 1024.0 / (float)finfowf->nSamplesPerSec;
}
}
else if (track->a_formattag == mmioFOURCC('v', 'r', 'b', 's')) /* VORBIS */
{
//finfowf->cbSize = track->private_size;
}
else if (track->private_size >= RAPROPERTIES4_SIZE
&& !strncmp (track->codec_id, MKV_A_REALATRC, 7))
{
/* Common initialization for all RealAudio codecs */
unsigned char *src = (unsigned char *)track->private_data;
int codecdata_length, version;
int flavor;
finfowf->nAvgBytesPerSec = 0; /* FIXME !? */
version = AV_RB16(src + 4);
flavor = AV_RB16(src + 22);
track->coded_framesize = AV_RB32(src + 24);
track->sub_packet_h = AV_RB16(src + 40);
finfowf->nBlockAlign =
track->audiopk_size = AV_RB16(src + 42);
track->sub_packet_size = AV_RB16(src + 44);
if (version == 4)
{
src += RAPROPERTIES4_SIZE;
src += src[0] + 1;
src += src[0] + 1;
}
else
src += RAPROPERTIES5_SIZE;
src += 3;
if (version == 5)
src++;
codecdata_length = AV_RB32(src);
src += 4;
switch (track->a_formattag) {
case mmioFOURCC('a', 't', 'r', 'c'):
finfowf->nAvgBytesPerSec = atrc_fl2bps[flavor];
finfowf->nBlockAlign = track->sub_packet_size;
break;
case mmioFOURCC('c', 'o', 'o', 'k'):
finfowf->nAvgBytesPerSec = cook_fl2bps[flavor];
finfowf->nBlockAlign = track->sub_packet_size;
break;
case mmioFOURCC('s', 'i', 'p', 'r'):
finfowf->nAvgBytesPerSec = sipr_fl2bps[flavor];
finfowf->nBlockAlign = track->coded_framesize;
break;
case mmioFOURCC('2', '8', '_', '8'):
finfowf->nAvgBytesPerSec = 3600;
finfowf->nBlockAlign = track->coded_framesize;
break;
}
track->realmedia = 1;
}
else if (!strcmp(track->codec_id, MKV_A_FLAC) ||
(track->a_formattag == 0xf1ac))
{
unsigned char *ptr;
int size;
#if 1 //Fuchun 2010.06.23
if(track->a_formattag == mmioFOURCC('f', 'L', 'a', 'C'))
{
ptr = (unsigned char *)track->private_data;
size = track->private_size;
}
else
{
//sh_a->format = mmioFOURCC('f', 'L', 'a', 'C');
ptr = (unsigned char *) track->private_data + sizeof (WAVEFORMATEX);
size = track->private_size - sizeof (WAVEFORMATEX);
}
if(size < 4 || ptr[0] != 'f' || ptr[1] != 'L' ||ptr[2] != 'a' || ptr[3] != 'C')
{
//finfowf->cbSize = 4;
}
else
{
//finfowf->cbSize = size;
}
#else
free(finfowf);
finfowf = NULL;
if (track->a_formattag == mmioFOURCC('f', 'L', 'a', 'C'))
{
ptr = (unsigned char *)track->private_data;
size = track->private_size;
}
else
{
sh_a->format = mmioFOURCC('f', 'L', 'a', 'C');
ptr = (unsigned char *) track->private_data
+ sizeof (WAVEFORMATEX);
size = track->private_size - sizeof (WAVEFORMATEX);
}
if (size < 4 || ptr[0] != 'f' || ptr[1] != 'L' ||
ptr[2] != 'a' || ptr[3] != 'C')
{
dp = new_demux_packet (4);
memcpy (dp->buffer, "fLaC", 4);
}
else
{
dp = new_demux_packet (size);
memcpy (dp->buffer, ptr, size);
}
dp->pts = 0;
dp->flags = 0;
ds_add_packet (demuxer->audio, dp);
#endif
}
else if (track->a_formattag == mmioFOURCC('W', 'V', 'P', 'K') ||
track->a_formattag == mmioFOURCC('T', 'R', 'H', 'D'))
{ /* do nothing, still works */ }
else if (!track->ms_compat || (track->private_size < sizeof(WAVEFORMATEX)))
{
return 1;
}
return 0;
}