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insert mpeg4 video header into the first chunk

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5253 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-03-21 20:43:43 +00:00
parent 17ee704b7e
commit 4fae24180e
1 changed files with 23 additions and 3 deletions
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26
libmpdemux/demux_mov.c
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@ -87,6 +87,9 @@ typedef struct {
int stdata_len; // stream data int stdata_len; // stream data
unsigned char* stdata; unsigned char* stdata;
// //
unsigned char* stream_header;
int stream_header_len; // if >0, this header should be sent before the 1st frame
//
int samples_size; int samples_size;
mov_sample_t* samples; mov_sample_t* samples;
int chunks_size; int chunks_size;
@ -772,6 +775,8 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
// add code here to save esds header of length atom_len-8 // add code here to save esds header of length atom_len-8
// beginning at stdata[86] to some variable to pass it // beginning at stdata[86] to some variable to pass it
// on to the decoder ::atmos // on to the decoder ::atmos
trak->stream_header=trak->stdata+pos+8;
trak->stream_header_len=atom_len-8;
break; break;
default: default:
mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Found unknown movie atom %c%c%c%c (%d)!\n", mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Found unknown movie atom %c%c%c%c (%d)!\n",
@ -779,6 +784,7 @@ static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak
atom_len); atom_len);
} }
pos+=atom_len; pos+=atom_len;
// printf("pos=%d max=%d\n",pos,trak->stdata_len);
} }
} }
if(!sh->fps) sh->fps=trak->timescale; if(!sh->fps) sh->fps=trak->timescale;
@ -1170,13 +1176,14 @@ int demux_mov_fill_buffer(demuxer_t *demuxer,demux_stream_t* ds){
mov_priv_t* priv=demuxer->priv; mov_priv_t* priv=demuxer->priv;
mov_track_t* trak=NULL; mov_track_t* trak=NULL;
float pts; float pts;
int x;
off_t pos;
if(ds->id<0 || ds->id>=priv->track_db) return 0; if(ds->id<0 || ds->id>=priv->track_db) return 0;
trak=priv->tracks[ds->id]; trak=priv->tracks[ds->id];
if(trak->samplesize){ if(trak->samplesize){
// read chunk: // read chunk:
int x;
if(trak->pos>=trak->chunks_size) return 0; // EOF if(trak->pos>=trak->chunks_size) return 0; // EOF
stream_seek(demuxer->stream,trak->chunks[trak->pos].pos); stream_seek(demuxer->stream,trak->chunks[trak->pos].pos);
pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale; pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
@ -1207,14 +1214,27 @@ if(trak->samplesize){
} }
mp_msg(MSGT_DEMUX, MSGL_DBG2, "Audio sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts); mp_msg(MSGT_DEMUX, MSGL_DBG2, "Audio sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts);
} /* MOV_TRAK_AUDIO */ } /* MOV_TRAK_AUDIO */
ds_read_packet(ds,demuxer->stream,x,pts,trak->chunks[trak->pos].pos,0); pos=trak->chunks[trak->pos].pos;
} else { } else {
// read sample: // read sample:
if(trak->pos>=trak->samples_size) return 0; // EOF if(trak->pos>=trak->samples_size) return 0; // EOF
stream_seek(demuxer->stream,trak->samples[trak->pos].pos); stream_seek(demuxer->stream,trak->samples[trak->pos].pos);
pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale; pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale;
ds_read_packet(ds,demuxer->stream,trak->samples[trak->pos].size,pts,trak->samples[trak->pos].pos,0); x=trak->samples[trak->pos].size;
pos=trak->samples[trak->pos].pos;
} }
if(trak->pos==0 && trak->stream_header_len>0){
// we have to append the stream header...
demux_packet_t* dp=new_demux_packet(x+trak->stream_header_len);
memcpy(dp->buffer,trak->stream_header,trak->stream_header_len);
stream_read(demuxer->stream,dp->buffer+trak->stream_header_len,x);
dp->pts=pts;
dp->flags=0;
dp->pos=pos; // FIXME?
ds_add_packet(ds,dp);
} else
ds_read_packet(ds,demuxer->stream,x,pts,pos,0);
++trak->pos; ++trak->pos;
return 1; return 1;