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mpv/libmpdemux/demuxer.c

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//=================== 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 "../cfgparser.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "mf.h"
#include "../libvo/fastmemcpy.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 *get_sh_audio(demuxer_t *demuxer, int id)
{
if(id > MAX_A_STREAMS-1 || id < 0)
{
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Requested audio stream id overflow (%d > %d)\n",
id, MAX_A_STREAMS);
return NULL;
}
return demuxer->a_streams[id];
}
sh_audio_t* new_sh_audio(demuxer_t *demuxer,int id){
if(id > MAX_A_STREAMS-1 || id < 0)
{
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Requested audio stream id overflow (%d > %d)\n",
id, MAX_A_STREAMS);
return NULL;
}
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){
mp_msg(MSGT_DEMUXER,MSGL_V,"DEMUXER: freeing sh_audio at %p \n",sh);
if(sh->wf) free(sh->wf);
free(sh);
}
sh_video_t *get_sh_video(demuxer_t *demuxer, int id)
{
if(id > MAX_V_STREAMS-1 || id < 0)
{
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Requested video stream id overflow (%d > %d)\n",
id, MAX_V_STREAMS);
return NULL;
}
return demuxer->v_streams[id];
}
sh_video_t* new_sh_video(demuxer_t *demuxer,int id){
if(id > MAX_V_STREAMS-1 || id < 0)
{
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Requested video stream id overflow (%d > %d)\n",
id, MAX_V_STREAMS);
return NULL;
}
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){
mp_msg(MSGT_DEMUXER,MSGL_V,"DEMUXER: freeing sh_video at %p \n",sh);
if(sh->bih) free(sh->bih);
free(sh);
}
extern void demux_close_vivo(demuxer_t *demuxer);
extern void demux_close_real(demuxer_t *demuxer);
extern void demux_close_y4m(demuxer_t *demuxer);
extern void demux_close_mf(demuxer_t* demuxer);
extern void demux_close_roq(demuxer_t* demuxer);
extern void demux_close_film(demuxer_t* demuxer);
extern void demux_close_bmp(demuxer_t* demuxer);
extern void demux_close_fli(demuxer_t* demuxer);
extern void demux_close_nuv(demuxer_t* demuxer);
extern void demux_close_audio(demuxer_t* demuxer);
extern void demux_close_ogg(demuxer_t* demuxer);
extern void demux_close_demuxers(demuxer_t* demuxer);
void free_demuxer(demuxer_t *demuxer){
int i;
mp_msg(MSGT_DEMUXER,MSGL_V,"DEMUXER: freeing demuxer at %p \n",demuxer);
switch(demuxer->type) {
case DEMUXER_TYPE_VIVO:
demux_close_vivo(demuxer); break;
case DEMUXER_TYPE_REAL:
demux_close_real(demuxer); break;
case DEMUXER_TYPE_Y4M:
demux_close_y4m(demuxer); break;
case DEMUXER_TYPE_MF:
demux_close_mf(demuxer); break;
case DEMUXER_TYPE_ROQ:
demux_close_roq(demuxer); break;
case DEMUXER_TYPE_FILM:
demux_close_film(demuxer); break;
case DEMUXER_TYPE_BMP:
demux_close_bmp(demuxer); break;
case DEMUXER_TYPE_FLI:
demux_close_fli(demuxer); break;
case DEMUXER_TYPE_NUV:
demux_close_nuv(demuxer); break;
case DEMUXER_TYPE_AUDIO:
demux_close_audio(demuxer); break;
case DEMUXER_TYPE_OGG:
demux_close_ogg(demuxer); break;
case DEMUXER_TYPE_DEMUXERS:
demux_close_demuxers(demuxer); return;
}
// 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_stream(demuxer->sub);
if(demuxer->info) {
for(i=0;demuxer->info[i] != NULL; i++)
free(demuxer->info[i]);
free(demuxer->info);
}
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_mf_fill_buffer( demuxer_t *demux);
int demux_roq_fill_buffer(demuxer_t *demux);
int demux_film_fill_buffer(demuxer_t *demux);
int demux_bmp_fill_buffer(demuxer_t *demux);
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, demux_stream_t *ds, 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_audio_fill_buffer(demux_stream_t *ds);
extern int demux_demuxers_fill_buffer(demuxer_t *demux,demux_stream_t *ds);
extern int demux_ogg_fill_buffer(demuxer_t *d);
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_MF: return demux_mf_fill_buffer(demux);
case DEMUXER_TYPE_ROQ: return demux_roq_fill_buffer(demux);
case DEMUXER_TYPE_FILM: return demux_film_fill_buffer(demux);
case DEMUXER_TYPE_BMP: return demux_bmp_fill_buffer(demux);
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, ds, tv_handler);
#endif
case DEMUXER_TYPE_Y4M: return demux_y4m_fill_buffer(demux);
case DEMUXER_TYPE_AUDIO: return demux_audio_fill_buffer(ds);
case DEMUXER_TYPE_DEMUXERS: return demux_demuxers_fill_buffer(demux,ds);
case DEMUXER_TYPE_OGG: return demux_ogg_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
if(ds==demux->sub) mp_dbg(MSGT_DEMUXER,MSGL_DBG3,"ds_fill_buffer(d_sub) 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;
if(dp->buffer) 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;
}
}
float ds_get_next_pts(demux_stream_t *ds) {
demuxer_t* demux = ds->demuxer;
while(!ds->first) {
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);
return -1;
}
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);
return -1;
}
if(!demux_fill_buffer(demux,ds))
return -1;
}
return ds->first->pts;
}
// ====================================================================
// 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;
extern int num_mp3audio_packets;
// 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);
int demux_open_mf(demuxer_t* demuxer);
int demux_open_film(demuxer_t* demuxer);
int demux_open_bmp(demuxer_t* demuxer);
int demux_open_roq(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 roq_check_file(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);
extern int demux_audio_open(demuxer_t* demuxer);
extern int demux_ogg_open(demuxer_t* demuxer);
extern demuxer_t* init_avi_with_ogg(demuxer_t* demuxer);
static demuxer_t* demux_open_stream(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);
if ( mf_support )
{
mp_msg(MSGT_DEMUXER,MSGL_INFO,"forced mf.\n");
file_format=DEMUXER_TYPE_MF;
}
#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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
}
}
//=============== 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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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,MSGTR_DetectedREALfile);
file_format=DEMUXER_TYPE_REAL;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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 id;
stream_seek(demuxer->stream, 4);
id=stream_read_word_le(demuxer->stream);
// check for the FLI file magic number
if((id==0xAF11) || (id==0xAF12)){
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedFLIfile);
file_format=DEMUXER_TYPE_FLI;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
}
//=============== Try to open as FILM file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_FILM){
demuxer=new_demuxer(stream,DEMUXER_TYPE_FILM,audio_id,video_id,dvdsub_id);
{
int signature=stream_read_fourcc(demuxer->stream);
// check for the FLI file magic number
if(signature==mmioFOURCC('F', 'I', 'L', 'M')){
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedFILMfile);
file_format=DEMUXER_TYPE_FILM;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
}
//=============== Try to open as RoQ file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_ROQ){
demuxer=new_demuxer(stream,DEMUXER_TYPE_ROQ,audio_id,video_id,dvdsub_id);
if(roq_check_file(demuxer)){
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedROQfile);
file_format=DEMUXER_TYPE_ROQ;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== Try to open as BMP file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_BMP){
demuxer=new_demuxer(stream,DEMUXER_TYPE_BMP,audio_id,video_id,dvdsub_id);
if(bmp_check_file(demuxer)){
mp_msg(MSGT_DEMUXER,MSGL_INFO,"BMP file\n");
file_format=DEMUXER_TYPE_BMP;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== Try to open as Ogg file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_OGG){
demuxer=new_demuxer(stream,DEMUXER_TYPE_OGG,audio_id,video_id,dvdsub_id);
if(demux_ogg_open(demuxer)){
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected OGG format\n");
file_format=DEMUXER_TYPE_OGG;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== 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;
num_mp3audio_packets=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 {
mp_msg(MSGT_DEMUX,MSGL_V,"MPEG packet stats: p100: %d p101: %d PES: %d MP3: %d \n",
num_elementary_packets100,num_elementary_packets101,num_elementary_packetsPES,num_mp3audio_packets);
//MPEG packet stats: p100: 458 p101: 458 PES: 0 MP3: 1103 (.m2v)
if(num_mp3audio_packets>50 && num_mp3audio_packets>2*num_elementary_packets100
&& abs(num_elementary_packets100-num_elementary_packets101)>2)
break; // it's .MP3
// 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");
free_demuxer(demuxer);
demuxer = NULL;
}
}
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;
free_demuxer(demuxer);
demuxer = NULL;
} else {
mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_DetectedMPEGESfile);
}
}
//=============== Try to open as multi file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MF){
demuxer=new_demuxer(stream,DEMUXER_TYPE_MF,audio_id,video_id,dvdsub_id);
{
if ( mf_support )
{
file_format=DEMUXER_TYPE_MF;
mp_msg( MSGT_DEMUXER,MSGL_INFO,"[demuxer] mf support.\n" );
}
}
}
//=============== Try to open as audio file: =================
if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_AUDIO){
demuxer=new_demuxer(stream,DEMUXER_TYPE_AUDIO,audio_id,video_id,dvdsub_id);
if(demux_audio_open(demuxer)){
mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected audio file\n");
file_format=DEMUXER_TYPE_AUDIO;
} else {
free_demuxer(demuxer);
demuxer = NULL;
}
}
//=============== Unknown, exiting... ===========================
if(file_format==DEMUXER_TYPE_UNKNOWN || demuxer == NULL){
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_MF: {
if (!demux_open_mf(demuxer)) return NULL;
break;
}
case DEMUXER_TYPE_FLI: {
if (!demux_open_fli(demuxer)) return NULL;
break;
}
case DEMUXER_TYPE_FILM: {
if (!demux_open_film(demuxer)) return NULL;
break;
}
case DEMUXER_TYPE_BMP: {
if (!demux_open_bmp(demuxer)) return NULL;
break;
}
case DEMUXER_TYPE_ROQ: {
if (!demux_open_roq(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: {
sh_audio_t* sh_a;
demuxer = (demuxer_t*) demux_open_avi(demuxer);
if(!demuxer) return NULL; // failed to open
sh_a = (sh_audio_t*)demuxer->audio->sh;
if(demuxer->audio->id != -2 && sh_a) {
if(sh_a->format == 0xFFFE)
demuxer = init_avi_with_ogg(demuxer);
else if(sh_a->format == 0x674F) {
stream_t* s;
demuxer_t *od;
s = new_ds_stream(demuxer->audio);
od = new_demuxer(s,DEMUXER_TYPE_OGG,-1,-2,-2);
if(!demux_ogg_open(od)) {
mp_msg( MSGT_DEMUXER,MSGL_ERR,"Unable to open the ogg demuxer\n");
free_stream(s);
demuxer->audio->id = -2;
} else
demuxer = new_demuxers_demuxer(demuxer,od,demuxer);
}
}
return 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(d_video->id != -2) {
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(d_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;
}
static char* audio_stream = NULL;
static char* sub_stream = NULL;
static int demuxer_type = 0, audio_demuxer_type = 0, sub_demuxer_type = 0;
extern m_config_t* mconfig;
demuxer_t* demux_open(stream_t *vs,int file_format,int audio_id,int video_id,int dvdsub_id){
stream_t *as = NULL,*ss = NULL;
demuxer_t *vd,*ad = NULL,*sd = NULL;
int afmt = 0,sfmt = 0;
if(audio_stream) {
as = open_stream(audio_stream,0,&afmt);
if(!as) {
mp_msg(MSGT_DEMUXER,MSGL_ERR,"Can't open audio stream: %s\n",audio_stream);
return NULL;
}
}
if(sub_stream) {
ss = open_stream(sub_stream,0,&sfmt);
if(!ss) {
mp_msg(MSGT_DEMUXER,MSGL_ERR,"Can't open subtitles stream: %s\n",sub_stream);
return NULL;
}
}
vd = demux_open_stream(vs,demuxer_type ? demuxer_type : file_format,audio_stream ? -2 : audio_id,video_id, sub_stream ? -2 : dvdsub_id);
if(!vd)
return NULL;
if(as) {
ad = demux_open_stream(as,audio_demuxer_type ? audio_demuxer_type : afmt,audio_id,-2,-2);
if(!ad)
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Failed to open audio demuxer: %s\n",audio_stream);
else if(ad->audio->sh && ((sh_audio_t*)ad->audio->sh)->format == 0x55) // MP3
m_config_set_flag(mconfig,"hr-mp3-seek",1); // Enable high res seeking
}
if(ss) {
sd = demux_open_stream(ss,sub_demuxer_type ? sub_demuxer_type : sfmt,-2,-2,dvdsub_id);
if(!sd)
mp_msg(MSGT_DEMUXER,MSGL_WARN,"Failed to open subtitles demuxer: %s\n",sub_stream);
}
if(ad && sd)
return new_demuxers_demuxer(vd,ad,sd);
else if(ad)
return new_demuxers_demuxer(vd,ad,vd);
else if(sd)
return new_demuxers_demuxer(vd,vd,sd);
else
return vd;
}
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_y4m(demuxer_t *demuxer,float rel_seek_secs,int flags);
int demux_seek_fli(demuxer_t *demuxer,float rel_seek_secs,int flags);
int demux_seek_film(demuxer_t *demuxer,float rel_seek_secs,int flags);
int demux_seek_mf(demuxer_t *demuxer,float rel_seek_secs,int flags);
int demux_seek_nuv(demuxer_t *demuxer,float rel_seek_secs,int flags);
void demux_seek_mov(demuxer_t *demuxer,float pts,int flags);
int demux_seek_real(demuxer_t *demuxer,float rel_seek_secs,int flags);
extern void demux_audio_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
extern void demux_demuxers_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
#ifdef HAVE_OGGVORBIS
extern void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,int flags);
#endif
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! (probably 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 0
if(sh_audio) sh_audio->timer=sh_video->timer;
#else
if(sh_audio) sh_audio->timer=0;
if(sh_video) 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_REAL:
demux_seek_real(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_Y4M:
demux_seek_y4m(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_MF:
demux_seek_mf(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_FLI:
demux_seek_fli(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_FILM:
demux_seek_film(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_NUV:
demux_seek_nuv(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_AUDIO:
demux_audio_seek(demuxer,rel_seek_secs,flags); break;
case DEMUXER_TYPE_DEMUXERS:
demux_demuxers_seek(demuxer,rel_seek_secs,flags); break;
#ifdef HAVE_OGGVORBIS
case DEMUXER_TYPE_OGG:
demux_ogg_seek(demuxer,rel_seek_secs,flags); break;
#endif
} // switch(demuxer->file_format)
return 1;
}
int demux_info_add(demuxer_t *demuxer, char *opt, char *param)
{
char **info = demuxer->info;
int n = 0;
for(n = 0; info && info[2*n] != NULL; n++)
{
if(!strcasecmp(opt,info[2*n]))
{
mp_msg(MSGT_DEMUX, MSGL_WARN, "Demuxer info %s already present\n!",opt);
return 0;
}
}
info = demuxer->info = (char**)realloc(info,(2*(n+2))*sizeof(char*));
info[2*n] = strdup(opt);
info[2*n+1] = strdup(param);
memset(&info[2*(n+1)],0,2*sizeof(char*));
return 1;
}
int demux_info_print(demuxer_t *demuxer)
{
char **info = demuxer->info;
int n;
if(!info)
return 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Clip info: \n");
for(n = 0; info[2*n] != NULL ; n++)
mp_msg(MSGT_DEMUX, MSGL_INFO, " %s: %s\n",info[2*n],info[2*n+1]);
return 0;
}
char* demux_info_get(demuxer_t *demuxer, char *opt) {
int i;
char **info = demuxer->info;
for(i = 0; info && info[2*i] != NULL; i++) {
if(!strcasecmp(opt,info[2*i]))
return info[2*i+1];
}
return NULL;
}
/******************* Options stuff **********************/
static config_t demuxer_opts[] = {
{ "audiofile", &audio_stream, CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "subfile", &sub_stream, CONF_TYPE_STRING, 0, 0, 0, NULL },
{ "demuxer", &demuxer_type, CONF_TYPE_INT, CONF_RANGE, 1, DEMUXER_TYPE_MAX, NULL },
{ "audio-demuxer", &audio_demuxer_type, CONF_TYPE_INT, CONF_RANGE, 1, DEMUXER_TYPE_MAX, NULL },
{ "sub-demuxer", &sub_demuxer_type, CONF_TYPE_INT, CONF_RANGE, 1, DEMUXER_TYPE_MAX, NULL },
{ NULL, NULL, 0, 0, 0, 0, NULL}
};
void demuxer_register_options(m_config_t* cfg) {
m_config_register_options(cfg,demuxer_opts);
}
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