mplayer_novideo_0.00.c

自己移植的linux下的流媒体播放器原代码,支持mms协议,支持ftp和http协议.

			dir = DVB_CHANNEL_LOWER;
			
		if(dvb_step_channel(priv, dir))
		{
	  		uninit_player(INITED_ALL-(INITED_STREAM|INITED_INPUT));
			cache_uninit(stream);
			goto goto_enable_cache;
		}
	  }
	}
#endif	
    goto goto_next_file; // exit_player(MSGTR_Exit_error);
}

/* display clip info */
demux_info_print(demuxer);

//================== Read SUBTITLES (DVD & TEXT) ==========================
if(vo_spudec==NULL && sh_video &&
     (stream->type==STREAMTYPE_DVD || demuxer->type==DEMUXER_TYPE_MATROSKA ||
      d_dvdsub->id >= 0)){

if (spudec_ifo) {
  unsigned int palette[16], width, height;
  current_module="spudec_init_vobsub";
  if (vobsub_parse_ifo(NULL,spudec_ifo, palette, &width, &height, 1, -1, NULL) >= 0)
    vo_spudec=spudec_new_scaled(palette, width, height);
}

#ifdef USE_DVDNAV
if (vo_spudec==NULL && stream->type==STREAMTYPE_DVDNAV) {
  current_module="spudec_init_dvdnav";
  vo_spudec=spudec_new_scaled(dvdnav_stream_get_palette((dvdnav_priv_t*)(stream->priv)),
			    sh_video->disp_w, sh_video->disp_h);
}
#endif

#ifdef USE_DVDREAD
if (vo_spudec==NULL && stream->type==STREAMTYPE_DVD) {
  current_module="spudec_init_dvdread";
  vo_spudec=spudec_new_scaled(((dvd_priv_t *)(stream->priv))->cur_pgc->palette,
			    sh_video->disp_w, sh_video->disp_h);
}
#endif

#ifdef HAVE_MATROSKA
if ((vo_spudec == NULL) && (demuxer->type == DEMUXER_TYPE_MATROSKA) &&
    (d_dvdsub->sh != NULL) && (((mkv_sh_sub_t *)d_dvdsub->sh)->type == 'v')) {
  mkv_sh_sub_t *mkv_sh_sub = (mkv_sh_sub_t *)d_dvdsub->sh;
  current_module = "spudec_init_matroska";
  vo_spudec =
    spudec_new_scaled_vobsub(mkv_sh_sub->palette, mkv_sh_sub->colors,
                             mkv_sh_sub->custom_colors, mkv_sh_sub->width,
                             mkv_sh_sub->height);
  forced_subs_only = mkv_sh_sub->forced_subs_only;
}
#endif

if (vo_spudec==NULL) {
  current_module="spudec_init_normal";
  vo_spudec=spudec_new_scaled(NULL, sh_video->disp_w, sh_video->disp_h);
  spudec_set_font_factor(vo_spudec,font_factor);
}

if (vo_spudec!=NULL)
  inited_flags|=INITED_SPUDEC;

}

// Apply current settings for forced subs
if (vo_spudec!=NULL)
  spudec_set_forced_subs_only(vo_spudec,forced_subs_only);

#ifdef USE_SUB
if(sh_video) {
// after reading video params we should load subtitles because
// we know fps so now we can adjust subtitles time to ~6 seconds AST
// check .sub
  current_module="read_subtitles_file";
  if(sub_name){
    for (i = 0; sub_name[i] != NULL; ++i) 
        add_subtitles (sub_name[i], sh_video->fps, 0); 
  } 
  if(sub_auto) { // auto load sub file ...
    char *psub = get_path( "sub/" );
    char **tmp = sub_filenames((psub ? psub : ""), filename);
    char **tmp2 = tmp;
    free(psub); // release the buffer created by get_path() above
    while (*tmp2)
        add_subtitles (*tmp2++, sh_video->fps, 0);
    free(tmp);
    if (set_of_sub_size == 0)
    {
        add_subtitles (mem_ptr=get_path("default.sub"), sh_video->fps, 1);
    free(mem_ptr); // release the buffer created by get_path()
    }
    if (set_of_sub_size > 0)
        add_subtitles (NULL, sh_video->fps, 1);
  }
  if (set_of_sub_size > 0)  {
      // setup global sub numbering
      global_sub_indices[SUB_SOURCE_SUBS] = global_sub_size; // the global # of the first sub.
      global_sub_size += set_of_sub_size;
  }
}
#endif

if (global_sub_size) {
  // find the best sub to use
  if (vobsub_id >= 0) {
    // if user asks for a vobsub id, use that first.
    global_sub_pos = global_sub_indices[SUB_SOURCE_VOBSUB] + vobsub_id;
  } else if (dvdsub_id >= 0 && global_sub_indices[SUB_SOURCE_DEMUX] >= 0) {
    // if user asks for a dvd sub id, use that next.
    global_sub_pos = global_sub_indices[SUB_SOURCE_DEMUX] + dvdsub_id;
  } else if (global_sub_indices[SUB_SOURCE_SUBS] >= 0) {
    // if there are text subs to use, use those.  (autosubs come last here)
    global_sub_pos = global_sub_indices[SUB_SOURCE_SUBS];
/*
  } else if (global_sub_indices[SUB_SOURCE_DEMUX] >= 0) {
    // if nothing else works, get subs from the demuxer.
    global_sub_pos = global_sub_indices[SUB_SOURCE_DEMUX];
*/
  } else {
    // nothing worth doing automatically.
    global_sub_pos = -1;
  }
  // rather than duplicate code, use the SUB_SELECT handler to init the right one.
  global_sub_pos--;
  mp_input_queue_cmd(mp_input_parse_cmd("sub_select"));
}

//================== Init AUDIO (codec) ==========================
if(sh_audio){
  // Go through the codec.conf and find the best codec...
  current_module="init_audio_codec";
  mp_msg(MSGT_CPLAYER,MSGL_INFO,"==========================================================================\n");
  if(!init_best_audio_codec(sh_audio,audio_codec_list,audio_fm_list)){
    sh_audio=d_audio->sh=NULL; // failed to init :(
  } else
    inited_flags|=INITED_ACODEC;
  mp_msg(MSGT_CPLAYER,MSGL_INFO,"==========================================================================\n");
}

if(identify) {
  mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_FILENAME=%s\n", filename);
  if (sh_video) {
    /* Assume FOURCC if all bytes >= 0x20 (' ') */
    if (sh_video->format >= 0x20202020)
	mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_FORMAT=%.4s\n", &sh_video->format);
    else
	mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_FORMAT=0x%08X\n", sh_video->format);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_BITRATE=%d\n", sh_video->i_bps*8);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_WIDTH=%d\n", sh_video->disp_w);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_HEIGHT=%d\n", sh_video->disp_h);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_FPS=%5.3f\n", sh_video->fps);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_VIDEO_ASPECT=%1.4f\n", sh_video->aspect);
  }
  if (sh_audio) {
    if (sh_audio->codec)
      mp_msg(MSGT_GLOBAL,MSGL_INFO, "ID_AUDIO_CODEC=%s\n", sh_audio->codec->name);
    /* Assume FOURCC if all bytes >= 0x20 (' ') */
    if (sh_audio->format >= 0x20202020)
      mp_msg(MSGT_GLOBAL,MSGL_INFO, "ID_AUDIO_FORMAT=%.4s\n", &sh_audio->format);
    else
      mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_AUDIO_FORMAT=%d\n", sh_audio->format);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_AUDIO_BITRATE=%d\n", sh_audio->i_bps*8);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_AUDIO_RATE=%d\n", sh_audio->samplerate);
    mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_AUDIO_NCH=%d\n", sh_audio->channels);
  }
  mp_msg(MSGT_GLOBAL,MSGL_INFO,"ID_LENGTH=%ld\n", demuxer_get_time_length(demuxer));
}

if(!sh_video) goto main; // audio-only

//================== Init VIDEO (codec & libvo) ==========================
if(!fixed_vo || !(inited_flags&INITED_VO)){
current_module="preinit_libvo";

vo_config_count=0;
//if((video_out->preinit(vo_subdevice))!=0){
if(!(video_out=init_best_video_out(video_driver_list))){
    mp_msg(MSGT_CPLAYER,MSGL_FATAL,MSGTR_ErrorInitializingVODevice);
    goto goto_next_file; // exit_player(MSGTR_Exit_error);
}
sh_video->video_out=video_out;
inited_flags|=INITED_VO;
}

current_module="init_video_filters";
{
  char* vf_arg[] = { "_oldargs_", (char*)video_out , NULL };
  sh_video->vfilter=(void*)vf_open_filter(NULL,"vo",vf_arg);
}
#ifdef HAVE_MENU
if(use_menu) {
  char* vf_arg[] = { "_oldargs_", menu_root, NULL };
  vf_menu = vf_open_plugin(libmenu_vfs,sh_video->vfilter,"menu",vf_arg);
  if(!vf_menu) {
    mp_msg(MSGT_CPLAYER,MSGL_ERR,MSGTR_CantOpenLibmenuFilterWithThisRootMenu,menu_root);
    use_menu = 0;
  }
}
if(vf_menu)
  sh_video->vfilter=(void*)append_filters(vf_menu);
else
#endif
sh_video->vfilter=(void*)append_filters(sh_video->vfilter);

current_module="init_video_codec";

mp_msg(MSGT_CPLAYER,MSGL_INFO,"==========================================================================\n");
init_best_video_codec(sh_video,video_codec_list,video_fm_list);
mp_msg(MSGT_CPLAYER,MSGL_INFO,"==========================================================================\n");

if(!sh_video->inited){
    if(!fixed_vo) uninit_player(INITED_VO);
    if(!sh_audio) goto goto_next_file;
    sh_video = d_video->sh = NULL;
    goto main; // exit_player(MSGTR_Exit_error);
}

inited_flags|=INITED_VCODEC;

if(auto_quality>0){
    // Auto quality option enabled
    output_quality=get_video_quality_max(sh_video);
    if(auto_quality>output_quality) auto_quality=output_quality;
    else output_quality=auto_quality;
    mp_msg(MSGT_CPLAYER,MSGL_V,"AutoQ: setting quality to %d.\n",output_quality);
    set_video_quality(sh_video,output_quality);
}

// ========== Init display (sh_video->disp_w*sh_video->disp_h/out_fmt) ============

current_module="init_vo";

   if(vo_flags & 0x08 && vo_spudec)
      spudec_set_hw_spu(vo_spudec,video_out);

#ifdef HAVE_FREETYPE
   force_load_font = 1;
#endif

//================== MAIN: ==========================
main:
current_module="main";

// If there is no video OSD has to be disabled.
// In case of playing a playtree we have to restore the
// old OSD level after playing one or more audio-only files.
if(!sh_video && osd_level >= 0) { // save OSD level only once
    osd_level_saved = osd_level;
    osd_level = 0;
} else if (osd_level_saved > -1) { // if there is a saved OSD level, restore it
    osd_level = osd_level_saved;
    osd_level_saved = -1;
}

fflush(stdout);

#ifdef HAVE_NEW_GUI
   if ( use_gui )
    {
     if ( sh_audio ) guiIntfStruct.AudioType=sh_audio->channels; else guiIntfStruct.AudioType=0;
     if ( !sh_video && sh_audio ) guiGetEvent( guiSetAudioOnly,(char *)1 ); else guiGetEvent( guiSetAudioOnly,(char *)0 );
     guiGetEvent( guiSetFileFormat,(char *)demuxer->file_format );
     if ( guiGetEvent( guiSetValues,(char *)sh_video ) ) goto goto_next_file;
     guiGetEvent( guiSetDemuxer,(char *)demuxer );
    }
#endif

{
//int frame_corr_num=0;   //
//float v_frame=0;    // Video
float time_frame=0; // Timer
//float num_frames=0;      // number of frames played
int grab_frames=0;
char osd_text_buffer[64];
char osd_show_text_buffer[64];
int drop_frame=0;     // current dropping status
int dropped_frames=0; // how many frames dropped since last non-dropped frame
int too_slow_frame_cnt=0;
int too_fast_frame_cnt=0;
// for auto-quality:
float AV_delay=0; // average of A-V timestamp differences
double vdecode_time;
unsigned int lastframeout_ts=0;
/*float time_frame_corr_avg=0;*/ /* unused */

float next_frame_time=0;
int frame_time_remaining=0; // flag
int blit_frame=0;

osd_text_buffer[0]=0;

//================ SETUP AUDIO ==========================

if(sh_audio){
  //const ao_info_t *info=audio_out->info;
  current_module="af_preinit";
  ao_data.samplerate=force_srate?force_srate:sh_audio->samplerate*playback_speed;
  ao_data.channels=audio_output_channels?audio_output_channels:sh_audio->channels;
  ao_data.format=audio_output_format?audio_output_format:sh_audio->sample_format;
#if 1
  if(!preinit_audio_filters(sh_audio,
        // input:
        (int)(sh_audio->samplerate*playback_speed),
	sh_audio->channels, sh_audio->sample_format,
	// output:
	&ao_data.samplerate, &ao_data.channels, &ao_data.format)){
      mp_msg(MSGT_CPLAYER,MSGL_ERR,MSGTR_AudioFilterChainPreinitError);
  }
#endif  
  current_module="ao2_init";
  if(!(audio_out=init_best_audio_out(audio_driver_list,
      0, // plugin flag
      force_srate?force_srate:ao_data.samplerate,
      audio_output_channels?audio_output_channels:ao_data.channels,
      audio_output_format?audio_output_format:ao_data.format,0))){
    // FAILED:
    mp_msg(MSGT_CPLAYER,MSGL_ERR,MSGTR_CannotInitAO);
    uninit_player(INITED_ACODEC); // close codec
    sh_audio=d_audio->sh=NULL; // -> nosound
  } else {
    // SUCCESS:
    inited_flags|=INITED_AO;
    mp_msg(MSGT_CPLAYER,MSGL_INFO,"AO: [%s] %dHz %dch %s (%d bps)\n",
      audio_out->info->short_name,
      ao_data.samplerate, ao_data.channels,
      af_fmt2str_short(ao_data.format),
      af_fmt2bits(ao_data.format)/8 );
    mp_msg(MSGT_CPLAYER,MSGL_V,"AO: Description: %s\nAO: Author: %s\n",
      audio_out->info->name, audio_out->info->author);
    if(strlen(audio_out->info->comment) > 0)
      mp_msg(MSGT_CPLAYER,MSGL_V,"AO: Comment: %s\n", audio_out->info->comment);
    // init audio filters:
#if 1
    current_module="af_init";
    if(!build_afilter_chain(sh_audio, &ao_data)) {
      mp_msg(MSGT_CPLAYER,MSGL_ERR,MSGTR_NoMatchingFilter);
//      mp_msg(MSGT_CPLAYER,MSGL_ERR,"Couldn't find matching filter / ao format! -> NOSOUND\n");
//      uninit_player(INITED_ACODEC|INITED_AO); // close codec & ao
//      sh_audio=d_audio->sh=NULL; // -> nosound
    }
#endif
  }
  mixer.audio_out = audio_out;
  mixer.volstep = volstep;
}

current_module="av_init";

if(sh_video) sh_video->timer=0;
if(sh_audio) sh_audio->delay=-audio_delay;

if(!sh_audio){
  mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_NoSound);
  mp_msg(MSGT_CPLAYER,MSGL_V,"Freeing %d unused audio chunks.\n",d_audio->packs);
  ds_free_packs(d_audio); // free buffered chunks
  d_audio->id=-2;         // do not read audio chunks
  //uninit_player(INITED_AO); // close device
}
if(!sh_video){
   mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_Video_NoVideo);
   mp_msg(MSGT_CPLAYER,MSGL_V,"Freeing %d unused video chunks.\n",d_video->packs);
   ds_free_packs(d_video);
   d_video->id=-2;
   //if(!fixed_vo) uninit_player(INITED_VO);
}

if (!sh_video && !sh_audio)
    goto goto_next_file;

//if(demuxer->file_format!=DEMUXER_TYPE_AVI) pts_from_bps=0; // it must be 0 for mpeg/asf!
if(force_fps && sh_video){
  vo_fps = sh_video->fps=force_fps;
  sh_video->frametime=1.0f/sh_video->fps;
  mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_FPSforced,sh_video->fps,sh_video->frametime);
}

//==================== START PLAYING =======================

if(loop_times>1) loop_times--; else
if(loop_times==1) loop_times = -1;

mp_msg(MSGT_CPLAYER,MSGL_INFO,MSGTR_StartPlaying);fflush(stdout);

InitTimer();

#ifdef USE_DVDNAV
if (stream->type==STREAMTYPE_DVDNAV) {
  dvdnav_stream_fullstart((dvdnav_priv_t *)stream->priv);
}
#endif

total_time_usage_start=GetTimer();
audio_time_usage=0; video_time_usage=0; vout_time_usage=0;
total_frame_cnt=0; drop_frame_cnt=0; // fix for multifile fps benchmark
play_n_frames=play_n_frames_mf;

if(play_n_frames==0){
  eof=PT_NEXT_ENTRY; goto goto_next_file;
}

while(!eof){
    float aq_sleep_time=0;

    if(play_n_frames>=0){
      --play_n_frames;
      if(play_n_frames<0) eof = PT_NEXT_ENTRY;
    }

/*========================== PLAY AUDIO ============================*/

while(sh_audio){
  unsigned int t;
  double tt;
  int playsize;

  current_module="play_audio";
  
  ao_data.pts=((sh_video?sh_video->timer:0)+sh_audio->delay)*90000.0;
  playsize=audio_out->get_space();
  
  // handle audio-only case:
  if(playsize < ao_data.outburst &&
      !sh_video) {  // buffer is full, do not block here!!!
    usec_sleep(10000); // Wait a tick before retry
    continue;
  }
  
  if(playsize>MAX_OUTBURST) playsize=MAX_OUTBURST; // we shouldn't exceed it!

  // Fill buffer if needed:
  current_module="decode_audio";   // Enter AUDIO decoder module
  t=GetTimer();
  while(sh_audio->a_out_buffer_len<playsize && !d_audio->eof){
    int ret=decode_audio(sh_audio,&sh_audio->a_out_buffer[sh_audio->a_out_buffer_len],
        playsize-sh_audio->a_out_buffer_len,sh_audio->a_out_buffer_size-sh_audio->a_out_buffer_len);
    if(ret<=0) break; // EOF?
    sh_audio->a_out_buffer_len+=ret;
  }
  t=GetTimer()-t;
  tt = t*0.000001f; audio_time_usage+=tt;
  if(playsize>sh_audio->a_out_buffer_len) playsize=sh_audio->a_out_buffer_len;

  // play audio:  
  current_module="play_audio";
  playsize=audio_out->play(sh_audio->a_out_buffer,playsize,0);

  if(playsize>0){
      sh_audio->a_out_buffer_len-=playsize;
      memmove(sh_audio->a_out_buffer,&sh_audio->a_out_buffer[playsize],sh_audio->a_out_buffer_len);
      sh_audio->delay+=playback_speed*playsize/((float)((a