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;
char *stream_type = NULL;
int stream_id;
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
AVDictionaryEntry *title= av_dict_get(st->metadata, "title", NULL, 0);
int g;
switch(codec->codec_type){
case AVMEDIA_TYPE_AUDIO:{
WAVEFORMATEX *wf;
sh_audio_t* sh_audio;
sh_audio = new_sh_audio_aid(demuxer, i, priv->audio_streams, lang ? lang->value : NULL);
if(!sh_audio)
break;
stream_type = "audio";
priv->astreams[priv->audio_streams] = i;
wf= calloc(sizeof(*wf) + codec->extradata_size, 1);
codec->codec_tag = mp_codec_id2tag(codec->codec_id, codec->codec_tag, 1);
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_coded_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= av_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 (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_NAME=%s\n", priv->audio_streams, title->value);
if (st->disposition & AV_DISPOSITION_DEFAULT)
sh_audio->default_track = 1;
if(mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf, MSGL_V);
// select the first audio stream if auto-selection is requested
if (demuxer->audio->id == -1) {
demuxer->audio->id = i;
demuxer->audio->sh= demuxer->a_streams[i];
}
if (demuxer->audio->id != i)
st->discard= AVDISCARD_ALL;
stream_id = priv->audio_streams++;
break;
}
case AVMEDIA_TYPE_VIDEO:{
sh_video_t* sh_video;
BITMAPINFOHEADER *bih;
sh_video=new_sh_video_vid(demuxer, i, priv->video_streams);
if(!sh_video) break;
stream_type = "video";
priv->vstreams[priv->video_streams] = i;
bih=calloc(sizeof(*bih) + codec->extradata_size,1);
if(codec->codec_id == CODEC_ID_RAWVIDEO) {
switch (codec->pix_fmt) {
case PIX_FMT_RGB24:
codec->codec_tag= MKTAG(24, 'B', 'G', 'R');
case PIX_FMT_BGR24:
codec->codec_tag= MKTAG(24, 'R', 'G', 'B');
}
}
codec->codec_tag = mp_codec_id2tag(codec->codec_id, codec->codec_tag, 0);
bih->biSize= sizeof(*bih) + codec->extradata_size;
bih->biWidth= codec->width;
bih->biHeight= codec->height;
bih->biBitCount= codec->bits_per_coded_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;
if(st->sample_aspect_ratio.num)
sh_video->aspect = codec->width * st->sample_aspect_ratio.num
/ (float)(codec->height * st->sample_aspect_ratio.den);
else
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;
if (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VID_%d_NAME=%s\n", priv->video_streams, title->value);
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;
*/
// select the first video stream if auto-selection is requested
if(demuxer->video->id == -1) {
demuxer->video->id = i;
demuxer->video->sh= demuxer->v_streams[i];
}
if(demuxer->video->id != i)
st->discard= AVDISCARD_ALL;
stream_id = priv->video_streams++;
break;
}
case AVMEDIA_TYPE_SUBTITLE:{
sh_sub_t* sh_sub;
char type;
if(codec->codec_id == CODEC_ID_TEXT ||
codec->codec_id == AV_CODEC_ID_SUBRIP)
type = 't';
else if(codec->codec_id == CODEC_ID_MOV_TEXT)
type = 'm';
else if(codec->codec_id == CODEC_ID_SSA)
type = 'a';
else if(codec->codec_id == CODEC_ID_DVD_SUBTITLE)
type = 'v';
else if(codec->codec_id == CODEC_ID_XSUB)
type = 'x';
else if(codec->codec_id == CODEC_ID_DVB_SUBTITLE)
type = 'b';
else if(codec->codec_id == CODEC_ID_DVB_TELETEXT)
type = 'd';
else if(codec->codec_id == CODEC_ID_HDMV_PGS_SUBTITLE)
type = 'p';
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(54, 14, 100)
else if(codec->codec_id == CODEC_ID_EIA_608)
type = 'c';
#endif
else if(codec->codec_tag == MKTAG('c', '6', '0', '8'))
type = 'c';
else
break;
sh_sub = new_sh_sub_sid(demuxer, i, priv->sub_streams, lang ? lang->value : NULL);
if(!sh_sub) break;
stream_type = "subtitle";
priv->sstreams[priv->sub_streams] = i;
sh_sub->type = type;
if (codec->extradata_size) {
sh_sub->extradata = malloc(codec->extradata_size);
memcpy(sh_sub->extradata, codec->extradata, codec->extradata_size);
sh_sub->extradata_len = codec->extradata_size;
}
if (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_NAME=%s\n", priv->sub_streams, title->value);
if (st->disposition & AV_DISPOSITION_DEFAULT)
sh_sub->default_track = 1;
stream_id = priv->sub_streams++;
break;
}
case AVMEDIA_TYPE_ATTACHMENT:{
if (st->codec->codec_id == CODEC_ID_TTF) {
AVDictionaryEntry *fnametag = av_dict_get(st->metadata, "filename", NULL, 0);
demuxer_add_attachment(demuxer, fnametag ? fnametag->value : NULL,
"application/x-truetype-font",
codec->extradata, codec->extradata_size);
}
break;
}
default:
st->discard= AVDISCARD_ALL;
}
if (stream_type) {
AVCodec *avc = avcodec_find_decoder(codec->codec_id);
const char *codec_name = avc ? avc->name : "unknown";
if (!avc && *stream_type == 's' && demuxer->s_streams[i])
codec_name = sh_sub_type2str(((sh_sub_t *)demuxer->s_streams[i])->type);
mp_msg(MSGT_DEMUX, MSGL_INFO, "[lavf] stream %d: %s (%s), -%cid %d", i, stream_type, codec_name, *stream_type, stream_id);
if (lang && lang->value && *stream_type != 'v')
mp_msg(MSGT_DEMUX, MSGL_INFO, ", -%clang %s", *stream_type, lang->value);
if (title && title->value)
mp_msg(MSGT_DEMUX, MSGL_INFO, ", %s", title->value);
mp_msg(MSGT_DEMUX, MSGL_INFO, "\n");
}
}
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;
char *stream_type = NULL;
int stream_id;
AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL, 0);
AVMetadataTag *title= av_metadata_get(st->metadata, "title", NULL, 0);
int g, override_tag = av_codec_get_tag(mp_codecid_override_taglists,
codec->codec_id);
// For some formats (like PCM) always trust CODEC_ID_* more than codec_tag
if (override_tag)
codec->codec_tag = override_tag;
switch(codec->codec_type){
case CODEC_TYPE_AUDIO:{
WAVEFORMATEX *wf;
sh_audio_t* sh_audio;
sh_audio = new_sh_audio_aid(demuxer, i, priv->audio_streams, lang ? lang->value : NULL);
if(!sh_audio)
break;
stream_type = "audio";
priv->astreams[priv->audio_streams] = i;
wf= calloc(sizeof(WAVEFORMATEX) + codec->extradata_size, 1);
// 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_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_coded_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= av_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;
/*
in opencore :
try_decode_frame() delete in libavformat/utils.c ,so some parame maybe not be get
so if samplerate no get in header, then give a fix value 44100
*/
if(!sh_audio->channels)
sh_audio->channels = 2;
if(!sh_audio->samplerate)
sh_audio->samplerate = 44100;
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 (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AID_%d_NAME=%s\n", priv->audio_streams, title->value);
if (st->disposition & AV_DISPOSITION_DEFAULT)
sh_audio->default_track = 1;
if(mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf, MSGL_V);
// select the first audio stream
if (!demuxer->audio->sh) {
demuxer->audio->id = i;
demuxer->audio->sh= demuxer->a_streams[i];
} else
st->discard= AVDISCARD_ALL;
stream_id = priv->audio_streams++;
break;
}
case CODEC_TYPE_VIDEO:{
sh_video_t* sh_video;
BITMAPINFOHEADER *bih;
sh_video=new_sh_video_vid(demuxer, i, priv->video_streams);
if(!sh_video) break;
stream_type = "video";
priv->vstreams[priv->video_streams] = i;
bih=calloc(sizeof(BITMAPINFOHEADER) + codec->extradata_size,1);
if(codec->codec_id == CODEC_ID_RAWVIDEO) {
switch (codec->pix_fmt) {
case PIX_FMT_RGB24:
codec->codec_tag= MKTAG(24, 'B', 'G', 'R');
}
}
if(!codec->codec_tag)
codec->codec_tag= av_codec_get_tag(mp_bmp_taglists, codec->codec_id);
bih->biSize= sizeof(BITMAPINFOHEADER) + codec->extradata_size;
if(!codec->width || !codec->height){
codec->width = 16*4;
codec->height = 9*4;
}
bih->biWidth= codec->width;
bih->biHeight= codec->height;
bih->biBitCount= codec->bits_per_coded_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;
if(st->sample_aspect_ratio.num)
sh_video->aspect = codec->width * st->sample_aspect_ratio.num
/ (float)(codec->height * st->sample_aspect_ratio.den);
else
sh_video->aspect=codec->width * codec->sample_aspect_ratio.num
/ (float)(codec->height * codec->sample_aspect_ratio.den);
sh_video->rotation_degrees = st->rotation_degrees;
sh_video->i_bps=codec->bit_rate/8;
if (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VID_%d_NAME=%s\n", priv->video_streams, title->value);
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];
}
stream_id = priv->video_streams++;
break;
}
case CODEC_TYPE_SUBTITLE:{
sh_sub_t* sh_sub;
char type;
/* only support text subtitles for now */
if(codec->codec_id == CODEC_ID_TEXT)
type = 't';
else if(codec->codec_id == CODEC_ID_MOV_TEXT)
type = 'm';
else if(codec->codec_id == CODEC_ID_SSA)
type = 'a';
else if(codec->codec_id == CODEC_ID_DVD_SUBTITLE)
type = 'v';
else if(codec->codec_id == CODEC_ID_XSUB)
type = 'x';
else if(codec->codec_id == CODEC_ID_DVB_SUBTITLE)
type = 'b';
else if(codec->codec_id == CODEC_ID_DVB_TELETEXT)
type = 'd';
else if(codec->codec_id == CODEC_ID_HDMV_PGS_SUBTITLE)
type = 'p';
else
break;
sh_sub = new_sh_sub_sid(demuxer, i, priv->sub_streams, lang ? lang->value : NULL);
if(!sh_sub) break;
stream_type = "subtitle";
priv->sstreams[priv->sub_streams] = i;
sh_sub->type = type;
if (codec->extradata_size) {
sh_sub->extradata = malloc(codec->extradata_size);
memcpy(sh_sub->extradata, codec->extradata, codec->extradata_size);
sh_sub->extradata_len = codec->extradata_size;
}
if (title && title->value)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SID_%d_NAME=%s\n", priv->sub_streams, title->value);
if (st->disposition & AV_DISPOSITION_DEFAULT)
sh_sub->default_track = 1;
stream_id = priv->sub_streams++;
break;
}
case CODEC_TYPE_ATTACHMENT:{
if (st->codec->codec_id == CODEC_ID_TTF)
demuxer_add_attachment(demuxer, st->filename,
"application/x-truetype-font",
codec->extradata, codec->extradata_size);
break;
}
default:
st->discard= AVDISCARD_ALL;
}
if (stream_type) {
AVCodec *avc = avcodec_find_decoder(codec->codec_id);
const char *codec_name = avc ? avc->name : "unknown";
if (strcmp("tta", codec_name) == 0)
demuxer->ttaflag = 1;
if (!avc && *stream_type == 's' && demuxer->s_streams[stream_id])
codec_name = sh_sub_type2str(((sh_sub_t *)demuxer->s_streams[stream_id])->type);
mp_msg(MSGT_DEMUX, MSGL_INFO, "[lavf] stream %d: %s (%s), -%cid %d", i, stream_type, codec_name, *stream_type, stream_id);
if (lang && lang->value && *stream_type != 'v')
mp_msg(MSGT_DEMUX, MSGL_INFO, ", -%clang %s", *stream_type, lang->value);
if (title && title->value)
mp_msg(MSGT_DEMUX, MSGL_INFO, ", %s", title->value);
mp_msg(MSGT_DEMUX, MSGL_INFO, "\n");
}
}
