C++ (Cpp) omx_get_buffer_lockedの例

コード例 #1

ファイル: omx.c プロジェクト: Ezio-PS/movian

OMX_BUFFERHEADERTYPE *
omx_get_buffer(omx_component_t *oc)
{
  hts_mutex_lock(oc->oc_mtx);
  OMX_BUFFERHEADERTYPE *buf  = omx_get_buffer_locked(oc);
  hts_mutex_unlock(oc->oc_mtx);
  return buf;
}

コード例 #2

ファイル: rpi_video.c プロジェクト: dev-life/showtime

static int
rpi_codec_create(media_codec_t *mc, const media_codec_params_t *mcp,
		 media_pipe_t *mp)
{
  int fmt;

  switch(mc->codec_id) {

  case CODEC_ID_H264:
    fmt = OMX_VIDEO_CodingAVC;
    break;

  case CODEC_ID_MPEG2VIDEO:
    if(!omx_enable_mpg2)
      return 1;
    fmt = OMX_VIDEO_CodingMPEG2;
    break;

#if 0
  case CODEC_ID_VC1:
  case CODEC_ID_WMV3:
    if(mcp->extradata_size == 0)
      return 1;

    mc->decode = vc1_pt_decode;
    return 0;
#endif

  default:
    return 1;
  }

  rpi_video_codec_t *rvc = calloc(1, sizeof(rpi_video_codec_t));

  hts_cond_init(&rvc->rvc_avail_cond, &mp->mp_mutex);

  omx_component_t *d = omx_component_create("OMX.broadcom.video_decode",
					    &mp->mp_mutex,
					    &rvc->rvc_avail_cond);

  if(d == NULL) {
    hts_cond_destroy(&rvc->rvc_avail_cond);
    free(rvc);
    return 1;
  }

  rvc->rvc_decoder = d;

  omx_set_state(d, OMX_StateIdle);

  OMX_VIDEO_PARAM_PORTFORMATTYPE format;
  OMX_INIT_STRUCTURE(format);
  format.nPortIndex = 130; 
  format.eCompressionFormat = fmt;
  omxchk(OMX_SetParameter(d->oc_handle,
			  OMX_IndexParamVideoPortFormat, &format));

  OMX_PARAM_BRCMVIDEODECODEERRORCONCEALMENTTYPE ec;
  OMX_INIT_STRUCTURE(ec);
  ec.bStartWithValidFrame = OMX_FALSE;
  omxchk(OMX_SetParameter(d->oc_handle,
			  OMX_IndexParamBrcmVideoDecodeErrorConcealment, &ec));

  
  OMX_CONFIG_BOOLEANTYPE bt;
  OMX_INIT_STRUCTURE(bt);
  bt.bEnabled = 1;
  omxchk(OMX_SetConfig(d->oc_handle,
		       OMX_IndexParamBrcmInterpolateMissingTimestamps, &bt));
  
  omx_alloc_buffers(d, 130);
  omx_set_state(d, OMX_StateExecuting);

  if(mcp->extradata_size) {

    hts_mutex_lock(&mp->mp_mutex);
    OMX_BUFFERHEADERTYPE *buf = omx_get_buffer_locked(rvc->rvc_decoder);
    hts_mutex_unlock(&mp->mp_mutex);
    buf->nOffset = 0;
    buf->nFilledLen = mcp->extradata_size;
    memcpy(buf->pBuffer, mcp->extradata, buf->nFilledLen);
    buf->nFlags = OMX_BUFFERFLAG_CODECCONFIG;
    omxchk(OMX_EmptyThisBuffer(rvc->rvc_decoder->oc_handle, buf));
  }

  mc->opaque = rvc;
  mc->close  = rpi_codec_close;
  mc->decode = rpi_codec_decode;
  mc->flush  = rpi_codec_flush;
  return 0;
}