Пример #1
0
void free_demuxer(demuxer_t *demuxer)
{
    int i;
    mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing %s demuxer at %p\n",
           demuxer->desc->shortdesc, demuxer);
    if (demuxer->desc->close)
        demuxer->desc->close(demuxer);
    // Very ugly hack to make it behave like old implementation
    if (demuxer->desc->type == DEMUXER_TYPE_DEMUXERS)
        goto skip_streamfree;
    // free streams:
    for (i = 0; i < MAX_A_STREAMS; i++)
        if (demuxer->a_streams[i])
            free_sh_audio(demuxer, i);
    for (i = 0; i < MAX_V_STREAMS; i++)
        if (demuxer->v_streams[i])
            free_sh_video(demuxer->v_streams[i]);
    for (i = 0; i < MAX_S_STREAMS; i++)
        if (demuxer->s_streams[i])
            free_sh_sub(demuxer->s_streams[i]);
    // free demuxers:
    free_demuxer_stream(demuxer->audio);
    free_demuxer_stream(demuxer->video);
    free_demuxer_stream(demuxer->sub);
 skip_streamfree:
    free(demuxer->filename);
    if (demuxer->teletext)
        teletext_control(demuxer->teletext, TV_VBI_CONTROL_STOP, NULL);
    talloc_free(demuxer);
}
Пример #2
0
static demuxer_t* demux_open_vivo(demuxer_t* demuxer){
    vivo_priv_t* priv=demuxer->priv;

  if(!ds_fill_buffer(demuxer->video)){
    mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingVideoStreamBug);
    return NULL;
  }

    audio_pos=0;
  
  h263_decode_picture_header(demuxer->video->buffer);
  
  if (vivo_param_version != -1)
    priv->version = '0' + vivo_param_version;

{		sh_video_t* sh=new_sh_video(demuxer,0);

		/* viv1, viv2 (for better codecs.conf) */    
		sh->format = mmioFOURCC('v', 'i', 'v', priv->version);
		if(!sh->fps)
		{
		    if (priv->fps)
			sh->fps=priv->fps;
		    else
			sh->fps=15.0f;
		}
		sh->frametime=1.0f/sh->fps;

		/* XXX: FIXME: can't scale image. */
		/* hotfix to disable: */
		priv->disp_width = priv->width;
		priv->disp_height = priv->height;

		if (vivo_param_width != -1)
		    priv->disp_width = priv->width = vivo_param_width;

		if (vivo_param_height != -1)
		    priv->disp_height = priv->height = vivo_param_height;
		
		if (vivo_param_vformat != -1)
		{
		    priv->disp_width = priv->width = h263_format[vivo_param_vformat][0];
		    priv->disp_height = priv->height = h263_format[vivo_param_vformat][1];
		}

		if (priv->disp_width)
		    sh->disp_w = priv->disp_width;
		else
		    sh->disp_w = width;
		if (priv->disp_height)
		    sh->disp_h = priv->disp_height;
		else
		    sh->disp_h = height;

		// emulate BITMAPINFOHEADER:
		sh->bih=malloc(sizeof(BITMAPINFOHEADER));
		memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
		sh->bih->biSize=40;
		if (priv->width)
		    sh->bih->biWidth = priv->width;
		else
		    sh->bih->biWidth = width;
		if (priv->height)
		    sh->bih->biHeight = priv->height;
		else
		    sh->bih->biHeight = height;
		sh->bih->biPlanes=1;
		sh->bih->biBitCount=24;
		sh->bih->biCompression=sh->format;
		sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight*3;

		/* insert as stream */
		demuxer->video->sh=sh;
		sh->ds=demuxer->video;
		demuxer->video->id=0;
		
		/* disable seeking */
		demuxer->seekable = 0;

		mp_msg(MSGT_DEMUX,MSGL_V,"VIVO Video stream %d size: display: %dx%d, codec: %ux%u\n",
		    demuxer->video->id, sh->disp_w, sh->disp_h, sh->bih->biWidth,
		    sh->bih->biHeight);
}

/* AUDIO init */
if (demuxer->audio->id >= -1){
  if(!ds_fill_buffer(demuxer->audio)){
    mp_msg(MSGT_DEMUX,MSGL_ERR,"VIVO: " MSGTR_MissingAudioStream);
  } else
{		sh_audio_t* sh=new_sh_audio(demuxer,1);

		/* Select audio codec */
		if (priv->audio_codec == 0)
		{
		    if (priv->version == '2')
			priv->audio_codec = VIVO_AUDIO_SIREN;
		    else
			priv->audio_codec = VIVO_AUDIO_G723;
		}
		if (vivo_param_acodec != NULL)
		{
		    if (!strcasecmp(vivo_param_acodec, "g723"))
			priv->audio_codec = VIVO_AUDIO_G723;
		    if (!strcasecmp(vivo_param_acodec, "siren"))
			priv->audio_codec = VIVO_AUDIO_SIREN;
		}

		if (priv->audio_codec == VIVO_AUDIO_G723)
		    sh->format = 0x111;
		else if (priv->audio_codec == VIVO_AUDIO_SIREN)
		    sh->format = 0x112;
		else
		{
		    mp_msg(MSGT_DEMUX, MSGL_ERR, "VIVO: Not support audio codec (%d)\n",
			priv->audio_codec);
		    free_sh_audio(demuxer, 1);
		    goto nosound;
		}

		// Emulate WAVEFORMATEX struct:
		sh->wf=malloc(sizeof(WAVEFORMATEX));
		memset(sh->wf,0,sizeof(WAVEFORMATEX));
		sh->wf->wFormatTag=sh->format;
		sh->wf->nChannels=1; /* 1 channels for both Siren and G.723 */

		/* Set bits per sample */
		if (priv->audio_codec == VIVO_AUDIO_SIREN)
		    sh->wf->wBitsPerSample = 16;
		else
		if (priv->audio_codec == VIVO_AUDIO_G723)
		    sh->wf->wBitsPerSample = 8;

		/* Set sampling rate */
		if (priv->audio_samplerate) /* got from header */
		    sh->wf->nSamplesPerSec = priv->audio_samplerate;
		else
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nSamplesPerSec = 16000;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nSamplesPerSec = 8000;
		}
		if (vivo_param_samplerate != -1)
		    sh->wf->nSamplesPerSec = vivo_param_samplerate;

		/* Set audio bitrate */
		if (priv->audio_bitrate) /* got from header */
		    sh->wf->nAvgBytesPerSec = priv->audio_bitrate;
		else
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nAvgBytesPerSec = 2000;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nAvgBytesPerSec = 800;
		}
		if (vivo_param_abitrate != -1)
		    sh->wf->nAvgBytesPerSec = vivo_param_abitrate;
		audio_rate=sh->wf->nAvgBytesPerSec;

		if (!priv->audio_bytesperblock)
		{
		    if (priv->audio_codec == VIVO_AUDIO_SIREN)
			sh->wf->nBlockAlign = 40;
		    if (priv->audio_codec == VIVO_AUDIO_G723)
			sh->wf->nBlockAlign = 24;
		}
		else
		    sh->wf->nBlockAlign = priv->audio_bytesperblock;
		if (vivo_param_bytesperblock != -1)
		    sh->wf->nBlockAlign = vivo_param_bytesperblock;
		
/*sound_ok:*/
		/* insert as stream */
		demuxer->audio->sh=sh;
		sh->ds=demuxer->audio;
		demuxer->audio->id=1;
nosound:
		return demuxer;
}
}
    return demuxer;
}