C++ (Cpp) gst_audio_encoder_set_latency примеры использования

Пример #1

Файл: gstopusenc.c Проект: kanongil/gst-plugins-bad

static void
gst_opus_enc_setup_base_class (GstOpusEnc * enc, GstAudioEncoder * benc)
{
  gst_audio_encoder_set_latency (benc,
      gst_opus_enc_get_latency (enc), gst_opus_enc_get_latency (enc));
  gst_audio_encoder_set_frame_samples_min (benc, enc->frame_samples);
  gst_audio_encoder_set_frame_samples_max (benc, enc->frame_samples);
  gst_audio_encoder_set_frame_max (benc, 1);
}

Пример #2

Файл: gstceltenc.c Проект: dylansong77/gstreamer

static gboolean
gst_celt_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
{
  GstCeltEnc *enc;
  GstCaps *otherpadcaps;

  enc = GST_CELT_ENC (benc);

  enc->channels = GST_AUDIO_INFO_CHANNELS (info);
  enc->rate = GST_AUDIO_INFO_RATE (info);

  /* handle reconfigure */
  if (enc->state) {
    celt_encoder_destroy (enc->state);
    enc->state = NULL;
  }
  if (enc->mode) {
    celt_mode_destroy (enc->mode);
    enc->mode = NULL;
  }
  memset (&enc->header, 0, sizeof (enc->header));

  otherpadcaps = gst_pad_get_allowed_caps (GST_AUDIO_ENCODER_SRC_PAD (enc));
  if (otherpadcaps) {
    if (!gst_caps_is_empty (otherpadcaps)) {
      GstStructure *ps = gst_caps_get_structure (otherpadcaps, 0);
      gst_structure_get_int (ps, "frame-size", &enc->frame_size);
    }
    gst_caps_unref (otherpadcaps);
  }

  if (enc->requested_frame_size > 0)
    enc->frame_size = enc->requested_frame_size;

  GST_DEBUG_OBJECT (enc, "channels=%d rate=%d frame-size=%d",
      enc->channels, enc->rate, enc->frame_size);

  if (!gst_celt_enc_setup (enc))
    return FALSE;

  /* feedback to base class */
  gst_audio_encoder_set_latency (benc,
      gst_celt_enc_get_latency (enc), gst_celt_enc_get_latency (enc));
  gst_audio_encoder_set_frame_samples_min (benc, enc->frame_size);
  gst_audio_encoder_set_frame_samples_max (benc, enc->frame_size);
  gst_audio_encoder_set_frame_max (benc, 1);

  return TRUE;
}

Пример #3

Файл: gstvorbisenc.c Проект: ConfusedReality/pkg_multimedia_gst-plugins-base

static gboolean
gst_vorbis_enc_set_format (GstAudioEncoder * enc, GstAudioInfo * info)
{
  GstVorbisEnc *vorbisenc;

  vorbisenc = GST_VORBISENC (enc);

  vorbisenc->channels = GST_AUDIO_INFO_CHANNELS (info);
  vorbisenc->frequency = GST_AUDIO_INFO_RATE (info);

  /* if re-configured, we were drained and cleared already */
  if (!gst_vorbis_enc_setup (vorbisenc))
    return FALSE;

  /* feedback to base class */
  gst_audio_encoder_set_latency (enc,
      gst_vorbis_enc_get_latency (vorbisenc),
      gst_vorbis_enc_get_latency (vorbisenc));

  return TRUE;
}

Пример #4

Файл: gstspeexenc.c Проект: greg80303/gst-plugins-good

static gboolean
gst_speex_enc_set_format (GstAudioEncoder * benc, GstAudioInfo * info)
{
  GstSpeexEnc *enc;

  enc = GST_SPEEX_ENC (benc);

  enc->channels = GST_AUDIO_INFO_CHANNELS (info);
  enc->rate = GST_AUDIO_INFO_RATE (info);

  /* handle reconfigure */
  if (enc->state) {
    speex_encoder_destroy (enc->state);
    enc->state = NULL;
  }

  if (!gst_speex_enc_setup (enc))
    return FALSE;

  /* feedback to base class */
  gst_audio_encoder_set_latency (benc,
      gst_speex_enc_get_latency (enc), gst_speex_enc_get_latency (enc));
  gst_audio_encoder_set_lookahead (benc, enc->lookahead);

  if (enc->nframes == 0) {
    /* as many frames as available input allows */
    gst_audio_encoder_set_frame_samples_min (benc, enc->frame_size);
    gst_audio_encoder_set_frame_samples_max (benc, enc->frame_size);
    gst_audio_encoder_set_frame_max (benc, 0);
  } else {
    /* exactly as many frames as configured */
    gst_audio_encoder_set_frame_samples_min (benc,
        enc->frame_size * enc->nframes);
    gst_audio_encoder_set_frame_samples_max (benc,
        enc->frame_size * enc->nframes);
    gst_audio_encoder_set_frame_max (benc, 1);
  }

  return TRUE;
}