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C++ GST_AUDIO_DECODER函数代码示例

本文整理汇总了C++中GST_AUDIO_DECODER函数的典型用法代码示例。如果您正苦于以下问题：C++ GST_AUDIO_DECODER函数的具体用法？C++ GST_AUDIO_DECODER怎么用？C++ GST_AUDIO_DECODER使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了GST_AUDIO_DECODER函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: gst_amc_audio_dec_init

static void
gst_amc_audio_dec_init (GstAmcAudioDec * self)
{
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (self), TRUE);
  gst_audio_decoder_set_drainable (GST_AUDIO_DECODER (self), TRUE);

  g_mutex_init (&self->drain_lock);
  g_cond_init (&self->drain_cond);
}
开发者ID:iainlane，项目名称:gstreamer，代码行数:9，代码来源:gstamcaudiodechybris.c

示例2: gst_ffmpegauddec_init

static void
gst_ffmpegauddec_init (GstFFMpegAudDec * ffmpegdec)
{
  GstFFMpegAudDecClass *klass =
      (GstFFMpegAudDecClass *) G_OBJECT_GET_CLASS (ffmpegdec);

  /* some ffmpeg data */
  ffmpegdec->context = avcodec_alloc_context3 (klass->in_plugin);
  ffmpegdec->opened = FALSE;

  gst_audio_decoder_set_drainable (GST_AUDIO_DECODER (ffmpegdec), TRUE);
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (ffmpegdec), TRUE);
}
开发者ID:cablelabs，项目名称:gst-libav，代码行数:13，代码来源:gstavauddec.c

示例3: gst_ffmpegauddec_drain

static void
gst_ffmpegauddec_drain (GstFFMpegAudDec * ffmpegdec)
{
  GstFFMpegAudDecClass *oclass;

  oclass = (GstFFMpegAudDecClass *) (G_OBJECT_GET_CLASS (ffmpegdec));

  if (oclass->in_plugin->capabilities & CODEC_CAP_DELAY) {
    gint have_data, len;

    GST_LOG_OBJECT (ffmpegdec,
        "codec has delay capabilities, calling until libav has drained everything");

    do {
      GstFlowReturn ret;

      len = gst_ffmpegauddec_frame (ffmpegdec, NULL, 0, &have_data, &ret);

    } while (len >= 0 && have_data == 1);
    avcodec_flush_buffers (ffmpegdec->context);
  }

  if (ffmpegdec->outbuf)
    gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (ffmpegdec),
        ffmpegdec->outbuf, 1);
  ffmpegdec->outbuf = NULL;
}
开发者ID:GStreamer，项目名称:gst-libav，代码行数:27，代码来源:gstavauddec.c

示例4: gst_dtsdec_renegotiate

static gboolean
gst_dtsdec_renegotiate (GstDtsDec * dts)
{
  gint channels;
  gboolean result = FALSE;
  GstAudioChannelPosition from[6], to[6];
  GstAudioInfo info;

  channels = gst_dtsdec_channels (dts->using_channels, from);

  if (!channels)
    goto done;

  GST_INFO_OBJECT (dts, "dtsdec renegotiate, channels=%d, rate=%d",
      channels, dts->sample_rate);

  memcpy (to, from, sizeof (GstAudioChannelPosition) * channels);
  gst_audio_channel_positions_to_valid_order (to, channels);
  gst_audio_get_channel_reorder_map (channels, from, to,
      dts->channel_reorder_map);


  gst_audio_info_init (&info);
  gst_audio_info_set_format (&info,
      SAMPLE_TYPE, dts->sample_rate, channels, (channels > 1 ? to : NULL));

  if (!gst_audio_decoder_set_output_format (GST_AUDIO_DECODER (dts), &info))
    goto done;

  result = TRUE;

done:
  return result;
}
开发者ID:lubing521，项目名称:gst-embedded-builder，代码行数:34，代码来源:gstdtsdec.c

示例5: gst_mulawdec_init

static void
gst_mulawdec_init (GstMuLawDec * mulawdec)
{
    gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (mulawdec), TRUE);
    gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
            (mulawdec), TRUE);
    GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (mulawdec));
}
开发者ID:DylanZA，项目名称:gst-plugins-good，代码行数:8，代码来源:mulaw-decode.c

示例6: gst_droidadec_init

static void
gst_droidadec_init (GstDroidADec * dec)
{
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
  gst_audio_decoder_set_drainable (GST_AUDIO_DECODER (dec), TRUE);

  dec->codec = NULL;
  dec->codec_type = NULL;
  dec->downstream_flow_ret = GST_FLOW_OK;
  dec->eos = FALSE;
  dec->codec_data = NULL;
  dec->channels = 0;
  dec->rate = 0;

  g_mutex_init (&dec->eos_lock);
  g_cond_init (&dec->eos_cond);
  dec->adapter = gst_adapter_new ();
}
开发者ID:rss351，项目名称:gst-droid，代码行数:18，代码来源:gstdroidadec.c

示例7: gst_wavpack_dec_init

static void
gst_wavpack_dec_init (GstWavpackDec * dec)
{
  dec->context = NULL;
  dec->stream_reader = gst_wavpack_stream_reader_new ();

  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);

  gst_wavpack_dec_reset (dec);
}
开发者ID:Lachann，项目名称:gst-plugins-good，代码行数:10，代码来源:gstwavpackdec.c

示例8: gst_opus_dec_init

static void
gst_opus_dec_init (GstOpusDec * dec)
{
  dec->use_inband_fec = FALSE;
  dec->apply_gain = DEFAULT_APPLY_GAIN;

  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);

  gst_opus_dec_reset (dec);
}
开发者ID:Distrotech，项目名称:gst-plugins-bad，代码行数:10，代码来源:gstopusdec.c

示例9: gst_sbc_dec_init

static void
gst_sbc_dec_init (GstSbcDec * dec)
{
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
  gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
      (dec), TRUE);
  GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (dec));

  dec->samples_per_frame = 0;
  dec->frame_len = 0;
}
开发者ID:0p1pp1，项目名称:gst-plugins-bad，代码行数:11，代码来源:gstsbcdec.c

示例10: gst_ffmpegauddec_init

static void
gst_ffmpegauddec_init (GstFFMpegAudDec * ffmpegdec)
{
  GstFFMpegAudDecClass *klass =
      (GstFFMpegAudDecClass *) G_OBJECT_GET_CLASS (ffmpegdec);

  /* some ffmpeg data */
  ffmpegdec->context = avcodec_alloc_context3 (klass->in_plugin);
  ffmpegdec->context->opaque = ffmpegdec;
  ffmpegdec->opened = FALSE;

  ffmpegdec->frame = av_frame_alloc ();

  GST_PAD_SET_ACCEPT_TEMPLATE (GST_VIDEO_DECODER_SINK_PAD (ffmpegdec));
  gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
      (ffmpegdec), TRUE);

  gst_audio_decoder_set_drainable (GST_AUDIO_DECODER (ffmpegdec), TRUE);
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (ffmpegdec), TRUE);
}
开发者ID:GStreamer，项目名称:gst-libav，代码行数:20，代码来源:gstavauddec.c

示例11: gst_ffmpegauddec_get_buffer

/* called when ffmpeg wants us to allocate a buffer to write the decoded frame
 * into. We try to give it memory from our pool */
static int
gst_ffmpegauddec_get_buffer (AVCodecContext * context, AVFrame * frame)
{
  GstFFMpegAudDec *ffmpegdec;
  GstAudioInfo *info;
  BufferInfo *buffer_info;

  ffmpegdec = (GstFFMpegAudDec *) context->opaque;
  if (G_UNLIKELY (!gst_ffmpegauddec_negotiate (ffmpegdec, FALSE)))
    goto negotiate_failed;

  /* Always use the default allocator for planar audio formats because
   * we will have to copy and deinterleave later anyway */
  if (av_sample_fmt_is_planar (ffmpegdec->context->sample_fmt))
    goto fallback;

  info = gst_audio_decoder_get_audio_info (GST_AUDIO_DECODER (ffmpegdec));

  buffer_info = g_slice_new (BufferInfo);
  buffer_info->buffer =
      gst_audio_decoder_allocate_output_buffer (GST_AUDIO_DECODER (ffmpegdec),
      frame->nb_samples * info->bpf);
  gst_buffer_map (buffer_info->buffer, &buffer_info->map, GST_MAP_WRITE);
  frame->opaque = buffer_info;
  frame->data[0] = buffer_info->map.data;
  frame->extended_data = frame->data;
  frame->linesize[0] = buffer_info->map.size;
  frame->type = FF_BUFFER_TYPE_USER;

  return 0;
  /* fallbacks */
negotiate_failed:
  {
    GST_DEBUG_OBJECT (ffmpegdec, "negotiate failed");
    goto fallback;
  }
fallback:
  {
    return avcodec_default_get_buffer (context, frame);
  }
}
开发者ID:cablelabs，项目名称:gst-libav，代码行数:43，代码来源:gstavauddec.c

示例12: gst_speex_dec_init

static void
gst_speex_dec_init (GstSpeexDec * dec)
{
  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
  gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
      (dec), TRUE);
  GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (dec));

  dec->enh = DEFAULT_ENH;

  gst_speex_dec_reset (dec);
}
开发者ID:pexip，项目名称:gst-plugins-good，代码行数:12，代码来源:gstspeexdec.c

示例13: gst_opus_dec_init

static void
gst_opus_dec_init (GstOpusDec * dec)
{
  dec->use_inband_fec = FALSE;
  dec->apply_gain = DEFAULT_APPLY_GAIN;

  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
  gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
      (dec), TRUE);
  GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (dec));

  gst_opus_dec_reset (dec);
}
开发者ID:GrokImageCompression，项目名称:gst-plugins-base，代码行数:13，代码来源:gstopusdec.c

示例14: gst_wavpack_dec_init

static void
gst_wavpack_dec_init (GstWavpackDec * dec)
{
  dec->context = NULL;
  dec->stream_reader = gst_wavpack_stream_reader_new ();

  gst_audio_decoder_set_needs_format (GST_AUDIO_DECODER (dec), TRUE);
  gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST
      (dec), TRUE);
  GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (dec));

  gst_wavpack_dec_reset (dec);
}
开发者ID:DylanZA，项目名称:gst-plugins-good，代码行数:13，代码来源:gstwavpackdec.c

示例15: gst_a52dec_update_streaminfo

static void
gst_a52dec_update_streaminfo (GstA52Dec * a52dec)
{
  GstTagList *taglist;

  taglist = gst_tag_list_new_empty ();
  gst_tag_list_add (taglist, GST_TAG_MERGE_APPEND, GST_TAG_BITRATE,
      (guint) a52dec->bit_rate, NULL);

  gst_audio_decoder_merge_tags (GST_AUDIO_DECODER (a52dec), taglist,
      GST_TAG_MERGE_REPLACE);
  gst_tag_list_unref (taglist);
}
开发者ID:lubing521，项目名称:gst-embedded-builder，代码行数:13，代码来源:gsta52dec.c


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