mirror of https://github.com/mpv-player/mpv
803 lines
24 KiB
C
803 lines
24 KiB
C
//=================== DEMUXER v2.5 =========================
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
|
|
#include "stream.h"
|
|
#include "demuxer.h"
|
|
#include "stheader.h"
|
|
|
|
void free_demuxer_stream(demux_stream_t *ds){
|
|
ds_free_packs(ds);
|
|
free(ds);
|
|
}
|
|
|
|
demux_stream_t* new_demuxer_stream(struct demuxer_st *demuxer,int id){
|
|
demux_stream_t* ds=malloc(sizeof(demux_stream_t));
|
|
ds->buffer_pos=ds->buffer_size=0;
|
|
ds->buffer=NULL;
|
|
ds->pts=0;
|
|
ds->pts_bytes=0;
|
|
ds->eof=0;
|
|
ds->pos=0;
|
|
ds->dpos=0;
|
|
ds->pack_no=0;
|
|
//---------------
|
|
ds->packs=0;
|
|
ds->bytes=0;
|
|
ds->first=ds->last=NULL;
|
|
ds->id=id;
|
|
ds->demuxer=demuxer;
|
|
//----------------
|
|
ds->asf_seq=-1;
|
|
ds->asf_packet=NULL;
|
|
//----------------
|
|
ds->ss_mul=ds->ss_div=1;
|
|
//----------------
|
|
ds->sh=NULL;
|
|
return ds;
|
|
}
|
|
|
|
demuxer_t* new_demuxer(stream_t *stream,int type,int a_id,int v_id,int s_id){
|
|
demuxer_t *d=malloc(sizeof(demuxer_t));
|
|
memset(d,0,sizeof(demuxer_t));
|
|
d->stream=stream;
|
|
d->movi_start=stream->start_pos;
|
|
d->movi_end=stream->end_pos;
|
|
d->seekable=1;
|
|
d->synced=0;
|
|
d->filepos=0;
|
|
d->audio=new_demuxer_stream(d,a_id);
|
|
d->video=new_demuxer_stream(d,v_id);
|
|
d->sub=new_demuxer_stream(d,s_id);
|
|
d->type=type;
|
|
stream_reset(stream);
|
|
stream_seek(stream,stream->start_pos);
|
|
return d;
|
|
}
|
|
|
|
sh_audio_t* new_sh_audio(demuxer_t *demuxer,int id){
|
|
if(demuxer->a_streams[id]){
|
|
mp_msg(MSGT_DEMUXER,MSGL_WARN,MSGTR_AudioStreamRedefined,id);
|
|
} else {
|
|
mp_msg(MSGT_DEMUXER,MSGL_V,"==> Found audio stream: %d\n",id);
|
|
demuxer->a_streams[id]=malloc(sizeof(sh_audio_t));
|
|
memset(demuxer->a_streams[id],0,sizeof(sh_audio_t));
|
|
}
|
|
return demuxer->a_streams[id];
|
|
}
|
|
|
|
void free_sh_audio(sh_audio_t* sh){
|
|
if(sh->a_in_buffer) free(sh->a_in_buffer);
|
|
if(sh->a_buffer) free(sh->a_buffer);
|
|
if(sh->wf) free(sh->wf);
|
|
free(sh);
|
|
}
|
|
|
|
sh_video_t* new_sh_video(demuxer_t *demuxer,int id){
|
|
if(demuxer->v_streams[id]){
|
|
mp_msg(MSGT_DEMUXER,MSGL_WARN,MSGTR_VideoStreamRedefined,id);
|
|
} else {
|
|
mp_msg(MSGT_DEMUXER,MSGL_V,"==> Found video stream: %d\n",id);
|
|
demuxer->v_streams[id]=malloc(sizeof(sh_video_t));
|
|
memset(demuxer->v_streams[id],0,sizeof(sh_video_t));
|
|
}
|
|
return demuxer->v_streams[id];
|
|
}
|
|
|
|
void free_sh_video(sh_video_t* sh){
|
|
if(sh->our_out_buffer) free(sh->our_out_buffer);
|
|
if(sh->bih) free(sh->bih);
|
|
free(sh);
|
|
}
|
|
|
|
void free_demuxer(demuxer_t *demuxer){
|
|
int i;
|
|
// free streams:
|
|
for(i=0;i<256;i++){
|
|
if(demuxer->a_streams[i]) free_sh_audio(demuxer->a_streams[i]);
|
|
if(demuxer->v_streams[i]) free_sh_video(demuxer->v_streams[i]);
|
|
}
|
|
//if(sh_audio) free_sh_audio(sh_audio);
|
|
//if(sh_video) free_sh_video(sh_video);
|
|
// free demuxers:
|
|
free_demuxer_stream(demuxer->audio);
|
|
free_demuxer_stream(demuxer->video);
|
|
free(demuxer);
|
|
}
|
|
|
|
|
|
void ds_add_packet(demux_stream_t *ds,demux_packet_t* dp){
|
|
// demux_packet_t* dp=new_demux_packet(len);
|
|
// stream_read(stream,dp->buffer,len);
|
|
// dp->pts=pts; //(float)pts/90000.0f;
|
|
// dp->pos=pos;
|
|
// append packet to DS stream:
|
|
++ds->packs;
|
|
ds->bytes+=dp->len;
|
|
if(ds->last){
|
|
// next packet in stream
|
|
ds->last->next=dp;
|
|
ds->last=dp;
|
|
} else {
|
|
// first packet in stream
|
|
ds->first=ds->last=dp;
|
|
}
|
|
mp_dbg(MSGT_DEMUXER,MSGL_DBG2,"DEMUX: Append packet to %s, len=%d pts=%5.3f pos=%u [packs: A=%d V=%d]\n",
|
|
(ds==ds->demuxer->audio)?"d_audio":"d_video",
|
|
dp->len,dp->pts,(unsigned int)dp->pos,ds->demuxer->audio->packs,ds->demuxer->video->packs);
|
|
}
|
|
|
|
void ds_read_packet(demux_stream_t *ds,stream_t *stream,int len,float pts,off_t pos,int flags){
|
|
demux_packet_t* dp=new_demux_packet(len);
|
|
stream_read(stream,dp->buffer,len);
|
|
dp->pts=pts; //(float)pts/90000.0f;
|
|
dp->pos=pos;
|
|
dp->flags=flags;
|
|
// append packet to DS stream:
|
|
ds_add_packet(ds,dp);
|
|
}
|
|
|
|
// return value:
|
|
// 0 = EOF or no stream found or invalid type
|
|
// 1 = successfully read a packet
|
|
int demux_fli_fill_buffer(demuxer_t *demux);
|
|
int demux_mpg_es_fill_buffer(demuxer_t *demux);
|
|
int demux_mpg_fill_buffer(demuxer_t *demux);
|
|
int demux_avi_fill_buffer(demuxer_t *demux);
|
|
int demux_avi_fill_buffer_ni(demuxer_t *demux,demux_stream_t *ds);
|
|
int demux_avi_fill_buffer_nini(demuxer_t *demux,demux_stream_t *ds);
|
|
int demux_asf_fill_buffer(demuxer_t *demux);
|
|
int demux_mov_fill_buffer(demuxer_t *demux,demux_stream_t* ds);
|
|
int demux_vivo_fill_buffer(demuxer_t *demux);
|
|
int demux_real_fill_buffer(demuxer_t *demuxer);
|
|
int demux_nuv_fill_buffer(demuxer_t *demux);
|
|
#ifdef USE_TV
|
|
#include "tv.h"
|
|
extern tvi_handle_t *tv_handler;
|
|
extern int tv_param_on;
|
|
|
|
extern int demux_tv_fill_buffer(demuxer_t *demux, tvi_handle_t *tvh);
|
|
extern int demux_open_tv(demuxer_t *demuxer, tvi_handle_t *tvh);
|
|
#endif
|
|
int demux_y4m_fill_buffer(demuxer_t *demux);
|
|
|
|
int demux_fill_buffer(demuxer_t *demux,demux_stream_t *ds){
|
|
// Note: parameter 'ds' can be NULL!
|
|
// printf("demux->type=%d\n",demux->type);
|
|
switch(demux->type){
|
|
case DEMUXER_TYPE_FLI: return demux_fli_fill_buffer(demux);
|
|
case DEMUXER_TYPE_MPEG_ES: return demux_mpg_es_fill_buffer(demux);
|
|
case DEMUXER_TYPE_MPEG_PS: return demux_mpg_fill_buffer(demux);
|
|
case DEMUXER_TYPE_AVI: return demux_avi_fill_buffer(demux);
|
|
case DEMUXER_TYPE_AVI_NI: return demux_avi_fill_buffer_ni(demux,ds);
|
|
case DEMUXER_TYPE_AVI_NINI: return demux_avi_fill_buffer_nini(demux,ds);
|
|
case DEMUXER_TYPE_ASF: return demux_asf_fill_buffer(demux);
|
|
case DEMUXER_TYPE_MOV: return demux_mov_fill_buffer(demux,ds);
|
|
case DEMUXER_TYPE_VIVO: return demux_vivo_fill_buffer(demux);
|
|
case DEMUXER_TYPE_REAL: return demux_real_fill_buffer(demux);
|
|
case DEMUXER_TYPE_NUV: return demux_nuv_fill_buffer(demux);
|
|
#ifdef USE_TV
|
|
case DEMUXER_TYPE_TV: return demux_tv_fill_buffer(demux, tv_handler);
|
|
#endif
|
|
case DEMUXER_TYPE_Y4M: return demux_y4m_fill_buffer(demux);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// return value:
|
|
// 0 = EOF
|
|
// 1 = succesfull
|
|
int ds_fill_buffer(demux_stream_t *ds){
|
|
demuxer_t *demux=ds->demuxer;
|
|
if(ds->buffer) free(ds->buffer);
|
|
if(verbose>2){
|
|
if(ds==demux->audio) mp_dbg(MSGT_DEMUXER,MSGL_DBG3,"ds_fill_buffer(d_audio) called\n");else
|
|
if(ds==demux->video) mp_dbg(MSGT_DEMUXER,MSGL_DBG3,"ds_fill_buffer(d_video) called\n");else
|
|
mp_dbg(MSGT_DEMUXER,MSGL_DBG3,"ds_fill_buffer(unknown 0x%X) called\n",(unsigned int)ds);
|
|
}
|
|
while(1){
|
|
if(ds->packs){
|
|
demux_packet_t *p=ds->first;
|
|
// copy useful data:
|
|
ds->buffer=p->buffer;
|
|
ds->buffer_pos=0;
|
|
ds->buffer_size=p->len;
|
|
ds->pos=p->pos;
|
|
ds->dpos+=p->len; // !!!
|
|
++ds->pack_no;
|
|
if(p->pts){
|
|
ds->pts=p->pts;
|
|
ds->pts_bytes=0;
|
|
}
|
|
ds->pts_bytes+=p->len; // !!!
|
|
ds->flags=p->flags;
|
|
// free packet:
|
|
ds->bytes-=p->len;
|
|
ds->first=p->next;
|
|
if(!ds->first) ds->last=NULL;
|
|
free(p);
|
|
--ds->packs;
|
|
return 1; //ds->buffer_size;
|
|
}
|
|
if(demux->audio->packs>=MAX_PACKS || demux->audio->bytes>=MAX_PACK_BYTES){
|
|
mp_msg(MSGT_DEMUXER,MSGL_ERR,MSGTR_TooManyAudioInBuffer,demux->audio->packs,demux->audio->bytes);
|
|
mp_msg(MSGT_DEMUXER,MSGL_HINT,MSGTR_MaybeNI);
|
|
break;
|
|
}
|
|
if(demux->video->packs>=MAX_PACKS || demux->video->bytes>=MAX_PACK_BYTES){
|
|
mp_msg(MSGT_DEMUXER,MSGL_ERR,MSGTR_TooManyVideoInBuffer,demux->video->packs,demux->video->bytes);
|
|
mp_msg(MSGT_DEMUXER,MSGL_HINT,MSGTR_MaybeNI);
|
|
break;
|
|
}
|
|
if(!demux_fill_buffer(demux,ds)){
|
|
mp_dbg(MSGT_DEMUXER,MSGL_DBG2,"ds_fill_buffer()->demux_fill_buffer() failed\n");
|
|
break; // EOF
|
|
}
|
|
}
|
|
ds->buffer_pos=ds->buffer_size=0;
|
|
ds->buffer=NULL;
|
|
mp_msg(MSGT_DEMUXER,MSGL_V,"ds_fill_buffer: EOF reached (stream: %s) \n",ds==demux->audio?"audio":"video");
|
|
ds->eof=1;
|
|
return 0;
|
|
}
|
|
|
|
int demux_read_data(demux_stream_t *ds,unsigned char* mem,int len){
|
|
int x;
|
|
int bytes=0;
|
|
while(len>0){
|
|
x=ds->buffer_size-ds->buffer_pos;
|
|
if(x==0){
|
|
if(!ds_fill_buffer(ds)) return bytes;
|
|
} else {
|
|
if(x>len) x=len;
|
|
if(mem) memcpy(mem+bytes,&ds->buffer[ds->buffer_pos],x);
|
|
bytes+=x;len-=x;ds->buffer_pos+=x;
|
|
}
|
|
}
|
|
return bytes;
|
|
}
|
|
|
|
int demux_read_data_pack(demux_stream_t *ds,unsigned char* mem,int len){
|
|
int x;
|
|
int bytes=0;
|
|
while(len>0){
|
|
x=ds->buffer_size-ds->buffer_pos;
|
|
if(x==0){
|
|
if(!ds_fill_buffer(ds)) return bytes;
|
|
} else {
|
|
if(x>len) x=len;
|
|
if(mem) memcpy(mem+bytes,&ds->buffer[ds->buffer_pos],x);
|
|
bytes+=x;len-=x;ds->buffer_pos+=x;
|
|
return bytes; // stop at end of package! (for correct timestamping)
|
|
}
|
|
}
|
|
return bytes;
|
|
}
|
|
|
|
|
|
void ds_free_packs(demux_stream_t *ds){
|
|
demux_packet_t *dp=ds->first;
|
|
while(dp){
|
|
demux_packet_t *dn=dp->next;
|
|
free(dp->buffer);
|
|
free(dp);
|
|
dp=dn;
|
|
}
|
|
if(ds->asf_packet){
|
|
// free unfinished .asf fragments:
|
|
free(ds->asf_packet->buffer);
|
|
free(ds->asf_packet);
|
|
ds->asf_packet=NULL;
|
|
}
|
|
ds->first=ds->last=NULL;
|
|
ds->packs=0; // !!!!!
|
|
ds->bytes=0;
|
|
if(ds->buffer) free(ds->buffer);
|
|
ds->buffer=NULL;
|
|
ds->buffer_pos=ds->buffer_size;
|
|
ds->pts=0; ds->pts_bytes=0;
|
|
}
|
|
|
|
int ds_get_packet(demux_stream_t *ds,unsigned char **start){
|
|
while(1){
|
|
int len;
|
|
if(ds->buffer_pos>=ds->buffer_size){
|
|
if(!ds_fill_buffer(ds)){
|
|
// EOF
|
|
*start = NULL;
|
|
return -1;
|
|
}
|
|
}
|
|
len=ds->buffer_size-ds->buffer_pos;
|
|
*start = &ds->buffer[ds->buffer_pos];
|
|
ds->buffer_pos+=len;
|
|
return len;
|
|
}
|
|
}
|
|
|
|
int ds_get_packet_sub(demux_stream_t *ds,unsigned char **start){
|
|
while(1){
|
|
int len;
|
|
if(ds->buffer_pos>=ds->buffer_size){
|
|
*start = NULL;
|
|
if(!ds->packs) return -1; // no sub
|
|
if(!ds_fill_buffer(ds)) return -1; // EOF
|
|
}
|
|
len=ds->buffer_size-ds->buffer_pos;
|
|
*start = &ds->buffer[ds->buffer_pos];
|
|
ds->buffer_pos+=len;
|
|
return len;
|
|
}
|
|
}
|
|
|
|
// ====================================================================
|
|
|
|
// feed-back from demuxers:
|
|
extern int num_elementary_packets100; // for MPEG-ES fileformat detection
|
|
extern int num_elementary_packets101;
|
|
extern int num_elementary_packetsPES;
|
|
extern int num_elementary_packets1B6;
|
|
|
|
// commandline options, flags:
|
|
//extern int seek_to_byte;
|
|
extern int force_ni;
|
|
extern int pts_from_bps;
|
|
|
|
extern int audio_id;
|
|
extern int video_id;
|
|
extern int dvdsub_id;
|
|
|
|
int asf_check_header(demuxer_t *demuxer);
|
|
int read_asf_header(demuxer_t *demuxer);
|
|
demux_stream_t* demux_avi_select_stream(demuxer_t *demux,unsigned int id);
|
|
demuxer_t* demux_open_avi(demuxer_t* demuxer);
|
|
int mov_check_file(demuxer_t* demuxer);
|
|
int mov_read_header(demuxer_t* demuxer);
|
|
int demux_open_fli(demuxer_t* demuxer);
|
|
|
|
extern int vivo_check_file(demuxer_t *demuxer);
|
|
extern void demux_open_vivo(demuxer_t *demuxer);
|
|
extern int y4m_check_file(demuxer_t *demuxer);
|
|
extern void demux_open_y4m(demuxer_t *demuxer);
|
|
|
|
extern int real_check_file(demuxer_t *demuxer);
|
|
extern void demux_open_real(demuxer_t *demuxer);
|
|
|
|
extern int nuv_check_file(demuxer_t *demuxer);
|
|
extern void demux_open_nuv(demuxer_t *demuxer);
|
|
|
|
demuxer_t* demux_open(stream_t *stream,int file_format,int audio_id,int video_id,int dvdsub_id){
|
|
|
|
//int file_format=(*file_format_ptr);
|
|
|
|
demuxer_t *demuxer=NULL;
|
|
|
|
demux_stream_t *d_audio=NULL;
|
|
demux_stream_t *d_video=NULL;
|
|
|
|
sh_audio_t *sh_audio=NULL;
|
|
sh_video_t *sh_video=NULL;
|
|
|
|
//printf("demux_open(%p,%d,%d,%d,%d) \n",stream,file_format,audio_id,video_id,dvdsub_id);
|
|
|
|
#ifdef USE_TV
|
|
//=============== Try to open as TV-input: =================
|
|
if((tv_param_on == 1) &&
|
|
(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_TV)){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_TV,audio_id,video_id,dvdsub_id);
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected TV! ;-)\n");
|
|
file_format=DEMUXER_TYPE_TV;
|
|
}
|
|
#endif
|
|
|
|
//=============== Try to open as AVI file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_AVI){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_AVI,audio_id,video_id,dvdsub_id);
|
|
{ //---- RIFF header:
|
|
int id=stream_read_dword_le(demuxer->stream); // "RIFF"
|
|
if(id==mmioFOURCC('R','I','F','F')){
|
|
stream_read_dword_le(demuxer->stream); //filesize
|
|
id=stream_read_dword_le(demuxer->stream); // "AVI "
|
|
if(id==formtypeAVI){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedAVIfile);
|
|
file_format=DEMUXER_TYPE_AVI;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//=============== Try to open as Y4M file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_Y4M){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_Y4M,audio_id,video_id,dvdsub_id);
|
|
if(y4m_check_file(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected YUV4MPEG2 file format!\n");
|
|
file_format=DEMUXER_TYPE_Y4M;
|
|
}
|
|
}
|
|
//=============== Try to open as ASF file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_ASF){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_ASF,audio_id,video_id,dvdsub_id);
|
|
if(asf_check_header(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedASFfile);
|
|
file_format=DEMUXER_TYPE_ASF;
|
|
}
|
|
}
|
|
//=============== Try to open as NUV file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_NUV){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_NUV,audio_id,video_id,dvdsub_id);
|
|
if(nuv_check_file(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected NuppelVideo file format!\n");
|
|
file_format=DEMUXER_TYPE_NUV;
|
|
}
|
|
}
|
|
//=============== Try to open as MOV file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MOV){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_MOV,audio_id,video_id,dvdsub_id);
|
|
if(mov_check_file(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedQTMOVfile);
|
|
file_format=DEMUXER_TYPE_MOV;
|
|
}
|
|
}
|
|
//=============== Try to open as VIVO file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_VIVO){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_VIVO,audio_id,video_id,dvdsub_id);
|
|
if(vivo_check_file(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected VIVO file format!\n");
|
|
file_format=DEMUXER_TYPE_VIVO;
|
|
}
|
|
}
|
|
//=============== Try to open as REAL file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_REAL){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_REAL,audio_id,video_id,dvdsub_id);
|
|
if(real_check_file(demuxer)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected REAL file format!\n");
|
|
file_format=DEMUXER_TYPE_REAL;
|
|
}
|
|
}
|
|
//=============== Try to open as FLI file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_FLI){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_FLI,audio_id,video_id,dvdsub_id);
|
|
{
|
|
int size=stream_read_dword_le(demuxer->stream);
|
|
int id=stream_read_word_le(demuxer->stream);
|
|
// chech for the FLI file magic number
|
|
if((id==0xAF11) || (id==0xAF12)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedFLIfile);
|
|
file_format=DEMUXER_TYPE_FLI;
|
|
}
|
|
}
|
|
}
|
|
//=============== Try to open as MPEG-PS file: =================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MPEG_PS){
|
|
int pes=1;
|
|
int tmp;
|
|
off_t tmppos;
|
|
while(pes>=0){
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_MPEG_PS,audio_id,video_id,dvdsub_id);
|
|
|
|
// try to pre-detect PES:
|
|
tmppos=stream_tell(demuxer->stream);
|
|
tmp=stream_read_dword(demuxer->stream);
|
|
if(tmp==0x1E0 || tmp==0x1C0){
|
|
tmp=stream_read_word(demuxer->stream);
|
|
if(tmp>1 && tmp<=2048) pes=0; // demuxer->synced=3; // PES...
|
|
}
|
|
stream_seek(demuxer->stream,tmppos);
|
|
|
|
if(!pes) demuxer->synced=3; // hack!
|
|
|
|
num_elementary_packets100=0;
|
|
num_elementary_packets101=0;
|
|
num_elementary_packets1B6=0;
|
|
num_elementary_packetsPES=0;
|
|
|
|
if(ds_fill_buffer(demuxer->video)){
|
|
if(!pes)
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedMPEGPESfile);
|
|
else
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedMPEGPSfile);
|
|
file_format=DEMUXER_TYPE_MPEG_PS;
|
|
} else {
|
|
printf("MPEG packet stats: p100: %d p101: %d PES: %d \n",
|
|
num_elementary_packets100,num_elementary_packets101,num_elementary_packetsPES);
|
|
// some hack to get meaningfull error messages to our unhappy users:
|
|
if(num_elementary_packets100>=2 && num_elementary_packets101>=2 &&
|
|
abs(num_elementary_packets101+8-num_elementary_packets100)<16){
|
|
if(num_elementary_packetsPES>=4 && num_elementary_packetsPES>=num_elementary_packets100-4){
|
|
--pes;continue; // tricky...
|
|
}
|
|
file_format=DEMUXER_TYPE_MPEG_ES; // <-- hack is here :)
|
|
} else {
|
|
if(demuxer->synced==2)
|
|
mp_msg(MSGT_DEMUXER,MSGL_ERR,"MPEG: " MSGTR_MissingVideoStreamBug);
|
|
else
|
|
mp_msg(MSGT_DEMUXER,MSGL_V,"Not MPEG System Stream format... (maybe Transport Stream?)\n");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
//=============== Try to open as MPEG-ES file: =================
|
|
if(file_format==DEMUXER_TYPE_MPEG_ES){ // little hack, see above!
|
|
demuxer=new_demuxer(stream,DEMUXER_TYPE_MPEG_ES,audio_id,video_id,dvdsub_id);
|
|
if(!ds_fill_buffer(demuxer->video)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_ERR,MSGTR_InvalidMPEGES);
|
|
file_format=DEMUXER_TYPE_UNKNOWN;
|
|
} else {
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedMPEGESfile);
|
|
}
|
|
}
|
|
//=============== Unknown, exiting... ===========================
|
|
if(file_format==DEMUXER_TYPE_UNKNOWN){
|
|
mp_msg(MSGT_DEMUXER,MSGL_ERR,MSGTR_FormatNotRecognized);
|
|
return NULL;
|
|
// GUI_MSG( mplUnknowFileType )
|
|
}
|
|
//====== File format recognized, set up these for compatibility: =========
|
|
d_audio=demuxer->audio;
|
|
d_video=demuxer->video;
|
|
//d_dvdsub=demuxer->sub;
|
|
|
|
demuxer->file_format=file_format;
|
|
|
|
switch(file_format){
|
|
case DEMUXER_TYPE_FLI: {
|
|
if (!demux_open_fli(demuxer)) return NULL;
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_MOV: {
|
|
if(!mov_read_header(demuxer)) return NULL;
|
|
// sh_video=d_video->sh;if(sh_video) sh_video->ds=d_video;
|
|
// sh_audio=d_audio->sh;if(sh_audio) sh_audio->ds=d_audio;
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_AVI: {
|
|
return (demuxer_t*) demux_open_avi(demuxer);
|
|
// break;
|
|
}
|
|
case DEMUXER_TYPE_NUV: {
|
|
demux_open_nuv(demuxer);
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_VIVO: {
|
|
demux_open_vivo(demuxer);
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_Y4M: {
|
|
demux_open_y4m(demuxer);
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_REAL: {
|
|
demux_open_real(demuxer);
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_ASF: {
|
|
//---- ASF header:
|
|
read_asf_header(demuxer);
|
|
stream_reset(demuxer->stream);
|
|
stream_seek(demuxer->stream,demuxer->movi_start);
|
|
// demuxer->idx_pos=0;
|
|
// demuxer->endpos=avi_header.movi_end;
|
|
if(!ds_fill_buffer(d_video)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_WARN,"ASF: " MSGTR_MissingVideoStream);
|
|
sh_video=NULL;
|
|
//printf("ASF: missing video stream!? contact the author, it may be a bug :(\n");
|
|
//GUI_MSG( mplASFErrorMissingVideoStream )
|
|
} else {
|
|
sh_video=d_video->sh;sh_video->ds=d_video;
|
|
sh_video->fps=1000.0f; sh_video->frametime=0.001f; // 1ms
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"VIDEO: [%.4s] %ldx%ld %dbpp\n",
|
|
(char *)&sh_video->bih->biCompression,
|
|
sh_video->bih->biWidth,
|
|
sh_video->bih->biHeight,
|
|
sh_video->bih->biBitCount);
|
|
// sh_video->i_bps=10*asf_packetsize; // FIXME!
|
|
}
|
|
if(audio_id!=-2){
|
|
mp_msg(MSGT_DEMUXER,MSGL_V,"ASF: Searching for audio stream (id:%d)\n",d_audio->id);
|
|
if(!ds_fill_buffer(d_audio)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"ASF: " MSGTR_MissingAudioStream);
|
|
sh_audio=NULL;
|
|
} else {
|
|
sh_audio=d_audio->sh;sh_audio->ds=d_audio;
|
|
sh_audio->format=sh_audio->wf->wFormatTag;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_MPEG_ES: {
|
|
sh_audio=NULL; // ES streams has no audio channel
|
|
d_video->sh=new_sh_video(demuxer,0); // create dummy video stream header, id=0
|
|
sh_video=d_video->sh;sh_video->ds=d_video;
|
|
break;
|
|
}
|
|
case DEMUXER_TYPE_MPEG_PS: {
|
|
sh_video=d_video->sh;sh_video->ds=d_video;
|
|
if(demuxer->stream->type!=STREAMTYPE_VCD) demuxer->movi_start=0; // for VCD
|
|
|
|
if(audio_id!=-2) {
|
|
if(!ds_fill_buffer(d_audio)){
|
|
mp_msg(MSGT_DEMUXER,MSGL_INFO,"MPEG: " MSGTR_MissingAudioStream);
|
|
sh_audio=NULL;
|
|
} else {
|
|
sh_audio=d_audio->sh;sh_audio->ds=d_audio;
|
|
switch(d_audio->id & 0xE0){ // 1110 0000 b (high 3 bit: type low 5: id)
|
|
case 0x00: sh_audio->format=0x50;break; // mpeg
|
|
case 0xA0: sh_audio->format=0x10001;break; // dvd pcm
|
|
case 0x80: sh_audio->format=0x2000;break; // ac3
|
|
default: sh_audio=NULL; // unknown type
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
#ifdef USE_TV
|
|
case DEMUXER_TYPE_TV: {
|
|
if (!demux_open_tv(demuxer, tv_handler))
|
|
{
|
|
tv_uninit(tv_handler);
|
|
return(NULL);
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
} // switch(file_format)
|
|
pts_from_bps=0; // !!!
|
|
return demuxer;
|
|
}
|
|
|
|
int demux_seek_avi(demuxer_t *demuxer,float rel_seek_secs,int flags);
|
|
int demux_seek_asf(demuxer_t *demuxer,float rel_seek_secs,int flags);
|
|
int demux_seek_mpg(demuxer_t *demuxer,float rel_seek_secs,int flags);
|
|
int demux_seek_fli(demuxer_t *demuxer,float rel_seek_secs,int flags);
|
|
void demux_seek_mov(demuxer_t *demuxer,float pts,int flags);
|
|
|
|
int demux_seek(demuxer_t *demuxer,float rel_seek_secs,int flags){
|
|
demux_stream_t *d_audio=demuxer->audio;
|
|
demux_stream_t *d_video=demuxer->video;
|
|
sh_audio_t *sh_audio=d_audio->sh;
|
|
sh_video_t *sh_video=d_video->sh;
|
|
|
|
if(!demuxer->seekable){
|
|
if(demuxer->file_format==DEMUXER_TYPE_AVI)
|
|
mp_msg(MSGT_SEEK,MSGL_WARN,MSGTR_CantSeekRawAVI);
|
|
#ifdef USE_TV
|
|
else if (demuxer->file_format==DEMUXER_TYPE_TV)
|
|
mp_msg(MSGT_SEEK,MSGL_WARN,"TV input isn't seekable! (probarly seeking will be for changing channels ;)\n");
|
|
#endif
|
|
else
|
|
mp_msg(MSGT_SEEK,MSGL_WARN,MSGTR_CantSeekFile);
|
|
return 0;
|
|
}
|
|
|
|
// clear demux buffers:
|
|
if(sh_audio){ ds_free_packs(d_audio);sh_audio->a_buffer_len=0;}
|
|
ds_free_packs(d_video);
|
|
|
|
demuxer->stream->eof=0; // clear eof flag
|
|
demuxer->video->eof=0;
|
|
demuxer->audio->eof=0;
|
|
|
|
#if 1
|
|
if(sh_audio) sh_audio->timer=sh_video->timer;
|
|
#else
|
|
if(sh_audio) sh_audio->timer=0;
|
|
sh_video->timer=0; // !!!!!!
|
|
#endif
|
|
|
|
switch(demuxer->file_format){
|
|
|
|
case DEMUXER_TYPE_AVI:
|
|
demux_seek_avi(demuxer,rel_seek_secs,flags); break;
|
|
|
|
case DEMUXER_TYPE_ASF:
|
|
demux_seek_asf(demuxer,rel_seek_secs,flags); break;
|
|
|
|
case DEMUXER_TYPE_MPEG_ES:
|
|
case DEMUXER_TYPE_MPEG_PS:
|
|
demux_seek_mpg(demuxer,rel_seek_secs,flags); break;
|
|
|
|
case DEMUXER_TYPE_MOV:
|
|
demux_seek_mov(demuxer,rel_seek_secs,flags); break;
|
|
|
|
case DEMUXER_TYPE_FLI:
|
|
demux_seek_fli(demuxer,rel_seek_secs,flags); break;
|
|
|
|
} // switch(demuxer->file_format)
|
|
|
|
return 1;
|
|
}
|
|
|
|
int demux_info_add(demuxer_t *demuxer, char *opt, char *param)
|
|
{
|
|
demuxer_info_t *info = &demuxer->info;
|
|
|
|
if (!strcasecmp(opt, "name"))
|
|
{
|
|
if (info->name)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info->name already present\n!");
|
|
return(0);
|
|
}
|
|
info->name = strdup(param);
|
|
return(1);
|
|
}
|
|
|
|
if (!strcasecmp(opt, "author"))
|
|
{
|
|
if (info->author)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info->author already present\n!");
|
|
return(0);
|
|
}
|
|
info->author = strdup(param);
|
|
return(1);
|
|
}
|
|
|
|
if (!strcasecmp(opt, "encoder") || !strcasecmp(opt, "software"))
|
|
{
|
|
if (info->encoder)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info->encoder already present\n!");
|
|
return(0);
|
|
}
|
|
info->encoder = strdup(param);
|
|
return(1);
|
|
}
|
|
|
|
if (!strcasecmp(opt, "comment") || !strcasecmp(opt, "comments"))
|
|
{
|
|
if (info->comments)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info->comments already present\n!");
|
|
return(0);
|
|
}
|
|
info->comments = strdup(param);
|
|
return(1);
|
|
}
|
|
|
|
if (!strcasecmp(opt, "copyright"))
|
|
{
|
|
if (info->copyright)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info->copyright already present\n!");
|
|
return(0);
|
|
}
|
|
info->copyright = strdup(param);
|
|
return(1);
|
|
}
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_DBG2, "Unknown demuxer info->%s (=%s)!\n",
|
|
opt, param);
|
|
return(1);
|
|
}
|
|
|
|
int demux_info_print(demuxer_t *demuxer)
|
|
{
|
|
demuxer_info_t *info = &demuxer->info;
|
|
|
|
if (info->name || info->author || info->encoder || info->comments || info->copyright)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Clip info: \n");
|
|
if (info->name)
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Name: %s\n", info->name);
|
|
if (info->author)
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Author: %s\n", info->author);
|
|
if (info->copyright)
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Copyright: %s\n", info->copyright);
|
|
if (info->comments)
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Comments: %s\n", info->comments);
|
|
if (info->encoder)
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, " Encoder: %s\n", info->encoder);
|
|
}
|
|
}
|