static gboolean
gst_omx_aac_dec_get_channel_positions (GstOMXAudioDec * dec,
    GstOMXPort * port, GstAudioChannelPosition position[OMX_AUDIO_MAXCHANNELS])
{
  OMX_AUDIO_PARAM_PCMMODETYPE pcm_param;
  OMX_ERRORTYPE err;

  GST_OMX_INIT_STRUCT (&pcm_param);
  pcm_param.nPortIndex = port->index;
  err =
      gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioPcm,
      &pcm_param);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (dec, "Failed to get PCM parameters: %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  /* FIXME: Rather arbitrary values here, based on what we do in gstfaac.c */
  switch (pcm_param.nChannels) {
    case 1:
      position[0] = GST_AUDIO_CHANNEL_POSITION_MONO;
      break;
    case 2:
      position[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
      position[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
      break;
    case 3:
      position[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
      position[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
      position[2] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
      break;
    case 4:
      position[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
      position[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
      position[2] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
      position[3] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER;
      break;
    case 5:
      position[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
      position[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
      position[2] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
      position[3] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
      position[4] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
      break;
    case 6:
      position[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
      position[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
      position[2] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
      position[3] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
      position[4] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
      position[5] = GST_AUDIO_CHANNEL_POSITION_LFE1;
      break;
    default:
      return FALSE;
  }

  return TRUE;
}
static gboolean
gst_omx_audio_dec_open (GstAudioDecoder * decoder)
{
  GstOMXAudioDec *self = GST_OMX_AUDIO_DEC (decoder);
  GstOMXAudioDecClass *klass = GST_OMX_AUDIO_DEC_GET_CLASS (self);
  gint in_port_index, out_port_index;

  GST_DEBUG_OBJECT (self, "Opening decoder");

  self->dec =
      gst_omx_component_new (GST_OBJECT_CAST (self), klass->cdata.core_name,
      klass->cdata.component_name, klass->cdata.component_role,
      klass->cdata.hacks);
  self->started = FALSE;

  if (!self->dec)
    return FALSE;

  if (gst_omx_component_get_state (self->dec,
          GST_CLOCK_TIME_NONE) != OMX_StateLoaded)
    return FALSE;

  in_port_index = klass->cdata.in_port_index;
  out_port_index = klass->cdata.out_port_index;

  if (in_port_index == -1 || out_port_index == -1) {
    OMX_PORT_PARAM_TYPE param;
    OMX_ERRORTYPE err;

    GST_OMX_INIT_STRUCT (&param);

    err =
        gst_omx_component_get_parameter (self->dec, OMX_IndexParamAudioInit,
        &param);
    if (err != OMX_ErrorNone) {
      GST_WARNING_OBJECT (self, "Couldn't get port information: %s (0x%08x)",
          gst_omx_error_to_string (err), err);
      /* Fallback */
      in_port_index = 0;
      out_port_index = 1;
    } else {
      GST_DEBUG_OBJECT (self, "Detected %u ports, starting at %u",
          (guint) param.nPorts, (guint) param.nStartPortNumber);
      in_port_index = param.nStartPortNumber + 0;
      out_port_index = param.nStartPortNumber + 1;
    }
  }
  self->dec_in_port = gst_omx_component_add_port (self->dec, in_port_index);
  self->dec_out_port = gst_omx_component_add_port (self->dec, out_port_index);

  if (!self->dec_in_port || !self->dec_out_port)
    return FALSE;

  GST_DEBUG_OBJECT (self, "Opened decoder");

  return TRUE;
}
Ejemplo n.º 3
0
static gboolean
gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
    GstVideoCodecState * state)
{
  GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
  GstCaps *peercaps;
  OMX_PARAM_PORTDEFINITIONTYPE port_def;
  OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
  OMX_ERRORTYPE err;
  const gchar *profile_string, *level_string;

  gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
      &port_def);
  port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
  err =
      gst_omx_port_update_port_definition (GST_OMX_VIDEO_ENC
      (self)->enc_out_port, &port_def);
  if (err != OMX_ErrorNone)
    return FALSE;

  GST_OMX_INIT_STRUCT (&param);
  param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;

  err =
      gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err != OMX_ErrorNone) {
    GST_WARNING_OBJECT (self,
        "Setting profile/level not supported by component");
    return TRUE;
  }

  peercaps = gst_pad_peer_query_caps (GST_VIDEO_ENCODER_SRC_PAD (enc),
      gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (enc)));
  if (peercaps) {
    GstStructure *s;

    if (gst_caps_is_empty (peercaps)) {
      gst_caps_unref (peercaps);
      GST_ERROR_OBJECT (self, "Empty caps");
      return FALSE;
    }

    s = gst_caps_get_structure (peercaps, 0);
    profile_string = gst_structure_get_string (s, "profile");
    if (profile_string) {
      if (g_str_equal (profile_string, "baseline")) {
        param.eProfile = OMX_VIDEO_AVCProfileBaseline;
      } else if (g_str_equal (profile_string, "main")) {
        param.eProfile = OMX_VIDEO_AVCProfileMain;
      } else if (g_str_equal (profile_string, "extended")) {
        param.eProfile = OMX_VIDEO_AVCProfileExtended;
      } else if (g_str_equal (profile_string, "high")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh;
      } else if (g_str_equal (profile_string, "high-10")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh10;
      } else if (g_str_equal (profile_string, "high-4:2:2")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh422;
      } else if (g_str_equal (profile_string, "high-4:4:4")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh444;
      } else {
        goto unsupported_profile;
      }
    }
    level_string = gst_structure_get_string (s, "level");
    if (level_string) {
      if (g_str_equal (level_string, "1")) {
        param.eLevel = OMX_VIDEO_AVCLevel1;
      } else if (g_str_equal (level_string, "1b")) {
        param.eLevel = OMX_VIDEO_AVCLevel1b;
      } else if (g_str_equal (level_string, "1.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel11;
      } else if (g_str_equal (level_string, "1.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel12;
      } else if (g_str_equal (level_string, "1.3")) {
        param.eLevel = OMX_VIDEO_AVCLevel13;
      } else if (g_str_equal (level_string, "2")) {
        param.eLevel = OMX_VIDEO_AVCLevel2;
      } else if (g_str_equal (level_string, "2.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel21;
      } else if (g_str_equal (level_string, "2.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel22;
      } else if (g_str_equal (level_string, "3")) {
        param.eLevel = OMX_VIDEO_AVCLevel3;
      } else if (g_str_equal (level_string, "3.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel31;
      } else if (g_str_equal (level_string, "3.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel32;
      } else if (g_str_equal (level_string, "4")) {
        param.eLevel = OMX_VIDEO_AVCLevel4;
      } else if (g_str_equal (level_string, "4.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel41;
      } else if (g_str_equal (level_string, "4.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel42;
      } else if (g_str_equal (level_string, "5")) {
        param.eLevel = OMX_VIDEO_AVCLevel5;
      } else if (g_str_equal (level_string, "5.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel51;
      } else {
        goto unsupported_level;
      }
    }
    gst_caps_unref (peercaps);
  }

  err =
      gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err == OMX_ErrorUnsupportedIndex) {
    GST_WARNING_OBJECT (self,
        "Setting profile/level not supported by component");
  } else if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "Error setting profile %u and level %u: %s (0x%08x)",
        (guint) param.eProfile, (guint) param.eLevel,
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  return TRUE;

unsupported_profile:
  GST_ERROR_OBJECT (self, "Unsupported profile %s", profile_string);
  gst_caps_unref (peercaps);
  return FALSE;

unsupported_level:
  GST_ERROR_OBJECT (self, "Unsupported level %s", level_string);
  gst_caps_unref (peercaps);
  return FALSE;
}
Ejemplo n.º 4
0
static GstCaps *
gst_omx_h264_enc_get_caps (GstOMXVideoEnc * enc, GstOMXPort * port,
    GstVideoCodecState * state)
{
  GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
  GstCaps *caps;
  OMX_ERRORTYPE err;
  OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
  const gchar *profile, *level;

  caps = gst_caps_new_simple ("video/x-h264",
      "stream-format", G_TYPE_STRING, "byte-stream",
      "alignment", G_TYPE_STRING, "au", NULL);

  GST_OMX_INIT_STRUCT (&param);
  param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;

  err =
      gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err != OMX_ErrorNone && err != OMX_ErrorUnsupportedIndex)
    return NULL;

  if (err == OMX_ErrorNone) {
    switch (param.eProfile) {
      case OMX_VIDEO_AVCProfileBaseline:
        profile = "baseline";
        break;
      case OMX_VIDEO_AVCProfileMain:
        profile = "main";
        break;
      case OMX_VIDEO_AVCProfileExtended:
        profile = "extended";
        break;
      case OMX_VIDEO_AVCProfileHigh:
        profile = "high";
        break;
      case OMX_VIDEO_AVCProfileHigh10:
        profile = "high-10";
        break;
      case OMX_VIDEO_AVCProfileHigh422:
        profile = "high-4:2:2";
        break;
      case OMX_VIDEO_AVCProfileHigh444:
        profile = "high-4:4:4";
        break;
      default:
        g_assert_not_reached ();
        return NULL;
    }

    switch (param.eLevel) {
      case OMX_VIDEO_AVCLevel1:
        level = "1";
        break;
      case OMX_VIDEO_AVCLevel1b:
        level = "1b";
        break;
      case OMX_VIDEO_AVCLevel11:
        level = "1.1";
        break;
      case OMX_VIDEO_AVCLevel12:
        level = "1.2";
        break;
      case OMX_VIDEO_AVCLevel13:
        level = "1.3";
        break;
      case OMX_VIDEO_AVCLevel2:
        level = "2";
        break;
      case OMX_VIDEO_AVCLevel21:
        level = "2.1";
        break;
      case OMX_VIDEO_AVCLevel22:
        level = "2.2";
        break;
      case OMX_VIDEO_AVCLevel3:
        level = "3";
        break;
      case OMX_VIDEO_AVCLevel31:
        level = "3.1";
        break;
      case OMX_VIDEO_AVCLevel32:
        level = "3.2";
        break;
      case OMX_VIDEO_AVCLevel4:
        level = "4";
        break;
      case OMX_VIDEO_AVCLevel41:
        level = "4.1";
        break;
      case OMX_VIDEO_AVCLevel42:
        level = "4.2";
        break;
      case OMX_VIDEO_AVCLevel5:
        level = "5";
        break;
      case OMX_VIDEO_AVCLevel51:
        level = "5.1";
        break;
      default:
        g_assert_not_reached ();
        return NULL;
    }
    gst_caps_set_simple (caps,
        "profile", G_TYPE_STRING, profile, "level", G_TYPE_STRING, level, NULL);
  }

  return caps;
}
Ejemplo n.º 5
0
static gboolean
gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
    GstVideoCodecState * state)
{
  GstOMXH264Enc *self = GST_OMX_H264_ENC (enc);
  GstCaps *peercaps;
  OMX_PARAM_PORTDEFINITIONTYPE port_def;
  OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
  OMX_VIDEO_CONFIG_AVCINTRAPERIOD config_avcintraperiod;
#ifdef USE_OMX_TARGET_RPI
  OMX_CONFIG_PORTBOOLEANTYPE config_inline_header;
#endif
  OMX_ERRORTYPE err;
  const gchar *profile_string, *level_string;

#ifdef USE_OMX_TARGET_RPI
  GST_OMX_INIT_STRUCT (&config_inline_header);
  config_inline_header.nPortIndex =
      GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
  err =
      gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamBrcmVideoAVCInlineHeaderEnable, &config_inline_header);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "can't get OMX_IndexParamBrcmVideoAVCInlineHeaderEnable %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  if (self->inline_sps_pps_headers) {
    config_inline_header.bEnabled = OMX_TRUE;
  } else {
    config_inline_header.bEnabled = OMX_FALSE;
  }

  err =
      gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamBrcmVideoAVCInlineHeaderEnable, &config_inline_header);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "can't set OMX_IndexParamBrcmVideoAVCInlineHeaderEnable %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }
#endif

  if (self->periodicty_idr !=
      GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT
      || self->interval_intraframes !=
      GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {


    GST_OMX_INIT_STRUCT (&config_avcintraperiod);
    config_avcintraperiod.nPortIndex =
        GST_OMX_VIDEO_ENC (self)->enc_out_port->index;
    err =
        gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
        OMX_IndexConfigVideoAVCIntraPeriod, &config_avcintraperiod);
    if (err != OMX_ErrorNone) {
      GST_ERROR_OBJECT (self,
          "can't get OMX_IndexConfigVideoAVCIntraPeriod %s (0x%08x)",
          gst_omx_error_to_string (err), err);
      return FALSE;
    }

    GST_DEBUG_OBJECT (self, "default nPFrames:%u, nIDRPeriod:%u",
        (guint) config_avcintraperiod.nPFrames,
        (guint) config_avcintraperiod.nIDRPeriod);

    if (self->periodicty_idr !=
        GST_OMX_H264_VIDEO_ENC_PERIODICITY_OF_IDR_FRAMES_DEFAULT) {
      config_avcintraperiod.nIDRPeriod = self->periodicty_idr;
    }

    if (self->interval_intraframes !=
        GST_OMX_H264_VIDEO_ENC_INTERVAL_OF_CODING_INTRA_FRAMES_DEFAULT) {
      config_avcintraperiod.nPFrames = self->interval_intraframes;
    }

    err =
        gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
        OMX_IndexConfigVideoAVCIntraPeriod, &config_avcintraperiod);
    if (err != OMX_ErrorNone) {
      GST_ERROR_OBJECT (self,
          "can't set OMX_IndexConfigVideoAVCIntraPeriod %s (0x%08x)",
          gst_omx_error_to_string (err), err);
      return FALSE;
    }
  }

  gst_omx_port_get_port_definition (GST_OMX_VIDEO_ENC (self)->enc_out_port,
      &port_def);
  port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
  err =
      gst_omx_port_update_port_definition (GST_OMX_VIDEO_ENC
      (self)->enc_out_port, &port_def);
  if (err != OMX_ErrorNone)
    return FALSE;

  GST_OMX_INIT_STRUCT (&param);
  param.nPortIndex = GST_OMX_VIDEO_ENC (self)->enc_out_port->index;

  err =
      gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err != OMX_ErrorNone) {
    GST_WARNING_OBJECT (self,
        "Setting profile/level not supported by component");
    return TRUE;
  }

  peercaps = gst_pad_peer_query_caps (GST_VIDEO_ENCODER_SRC_PAD (enc),
      gst_pad_get_pad_template_caps (GST_VIDEO_ENCODER_SRC_PAD (enc)));
  if (peercaps) {
    GstStructure *s;

    if (gst_caps_is_empty (peercaps)) {
      gst_caps_unref (peercaps);
      GST_ERROR_OBJECT (self, "Empty caps");
      return FALSE;
    }

    s = gst_caps_get_structure (peercaps, 0);
    profile_string = gst_structure_get_string (s, "profile");
    if (profile_string) {
      if (g_str_equal (profile_string, "baseline")) {
        param.eProfile = OMX_VIDEO_AVCProfileBaseline;
      } else if (g_str_equal (profile_string, "main")) {
        param.eProfile = OMX_VIDEO_AVCProfileMain;
      } else if (g_str_equal (profile_string, "extended")) {
        param.eProfile = OMX_VIDEO_AVCProfileExtended;
      } else if (g_str_equal (profile_string, "high")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh;
      } else if (g_str_equal (profile_string, "high-10")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh10;
      } else if (g_str_equal (profile_string, "high-4:2:2")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh422;
      } else if (g_str_equal (profile_string, "high-4:4:4")) {
        param.eProfile = OMX_VIDEO_AVCProfileHigh444;
      } else {
        goto unsupported_profile;
      }
    }
    level_string = gst_structure_get_string (s, "level");
    if (level_string) {
      if (g_str_equal (level_string, "1")) {
        param.eLevel = OMX_VIDEO_AVCLevel1;
      } else if (g_str_equal (level_string, "1b")) {
        param.eLevel = OMX_VIDEO_AVCLevel1b;
      } else if (g_str_equal (level_string, "1.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel11;
      } else if (g_str_equal (level_string, "1.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel12;
      } else if (g_str_equal (level_string, "1.3")) {
        param.eLevel = OMX_VIDEO_AVCLevel13;
      } else if (g_str_equal (level_string, "2")) {
        param.eLevel = OMX_VIDEO_AVCLevel2;
      } else if (g_str_equal (level_string, "2.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel21;
      } else if (g_str_equal (level_string, "2.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel22;
      } else if (g_str_equal (level_string, "3")) {
        param.eLevel = OMX_VIDEO_AVCLevel3;
      } else if (g_str_equal (level_string, "3.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel31;
      } else if (g_str_equal (level_string, "3.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel32;
      } else if (g_str_equal (level_string, "4")) {
        param.eLevel = OMX_VIDEO_AVCLevel4;
      } else if (g_str_equal (level_string, "4.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel41;
      } else if (g_str_equal (level_string, "4.2")) {
        param.eLevel = OMX_VIDEO_AVCLevel42;
      } else if (g_str_equal (level_string, "5")) {
        param.eLevel = OMX_VIDEO_AVCLevel5;
      } else if (g_str_equal (level_string, "5.1")) {
        param.eLevel = OMX_VIDEO_AVCLevel51;
      } else {
        goto unsupported_level;
      }
    }
    gst_caps_unref (peercaps);
  }

  err =
      gst_omx_component_set_parameter (GST_OMX_VIDEO_ENC (self)->enc,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err == OMX_ErrorUnsupportedIndex) {
    GST_WARNING_OBJECT (self,
        "Setting profile/level not supported by component");
  } else if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "Error setting profile %u and level %u: %s (0x%08x)",
        (guint) param.eProfile, (guint) param.eLevel,
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  return TRUE;

unsupported_profile:
  GST_ERROR_OBJECT (self, "Unsupported profile %s", profile_string);
  gst_caps_unref (peercaps);
  return FALSE;

unsupported_level:
  GST_ERROR_OBJECT (self, "Unsupported level %s", level_string);
  gst_caps_unref (peercaps);
  return FALSE;
}
Ejemplo n.º 6
0
static GstCaps *
gst_omx_mpeg4_video_enc_get_caps (GstOMXVideoEnc * enc, GstOMXPort * port,
    GstVideoState * state)
{
  GstOMXMPEG4VideoEnc *self = GST_OMX_MPEG4_VIDEO_ENC (enc);
  GstCaps *caps;
  OMX_ERRORTYPE err;
  OMX_VIDEO_PARAM_PROFILELEVELTYPE param;
  const gchar *profile, *level;

  caps =
      gst_caps_new_simple ("video/mpeg", "mpegversion", G_TYPE_INT, 4,
      "systemstream", G_TYPE_BOOLEAN, FALSE, "width", G_TYPE_INT, state->width,
      "height", G_TYPE_INT, state->height, NULL);

  if (state->fps_n != 0)
    gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, state->fps_n,
        state->fps_d, NULL);
  if (state->par_n != 1 || state->par_d != 1)
    gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
        state->par_n, state->par_d, NULL);

  GST_OMX_INIT_STRUCT (&param);
  param.nPortIndex = GST_OMX_VIDEO_ENC (self)->out_port->index;

  err =
      gst_omx_component_get_parameter (GST_OMX_VIDEO_ENC (self)->component,
      OMX_IndexParamVideoProfileLevelCurrent, &param);
  if (err != OMX_ErrorNone && err != OMX_ErrorUnsupportedIndex) {
    gst_caps_unref (caps);
    return NULL;
  }

  if (err == OMX_ErrorNone) {
    switch (param.eProfile) {
      case OMX_VIDEO_MPEG4ProfileSimple:
        profile = "simple";
        break;
      case OMX_VIDEO_MPEG4ProfileSimpleScalable:
        profile = "simple-scalable";
        break;
      case OMX_VIDEO_MPEG4ProfileCore:
        profile = "core";
        break;
      case OMX_VIDEO_MPEG4ProfileMain:
        profile = "main";
        break;
      case OMX_VIDEO_MPEG4ProfileNbit:
        profile = "n-bit";
        break;
      case OMX_VIDEO_MPEG4ProfileScalableTexture:
        profile = "scalable";
        break;
      case OMX_VIDEO_MPEG4ProfileSimpleFace:
        profile = "simple-face";
        break;
      case OMX_VIDEO_MPEG4ProfileSimpleFBA:
        profile = "simple-fba";
        break;
      case OMX_VIDEO_MPEG4ProfileBasicAnimated:
        profile = "basic-animated-texture";
        break;
      case OMX_VIDEO_MPEG4ProfileHybrid:
        profile = "hybrid";
        break;
      case OMX_VIDEO_MPEG4ProfileAdvancedRealTime:
        profile = "advanced-real-time-simple";
        break;
      case OMX_VIDEO_MPEG4ProfileCoreScalable:
        profile = "core-scalable";
        break;
      case OMX_VIDEO_MPEG4ProfileAdvancedCoding:
        profile = "advanced-coding-efficiency";
        break;
      case OMX_VIDEO_MPEG4ProfileAdvancedCore:
        profile = "advanced-core";
        break;
      case OMX_VIDEO_MPEG4ProfileAdvancedScalable:
        profile = "advanced-scalable-texture";
        break;
      case OMX_VIDEO_MPEG4ProfileAdvancedSimple:
        profile = "advanced-simple";
        break;
      default:
        g_assert_not_reached ();
        break;
    }

    switch (param.eLevel) {
      case OMX_VIDEO_MPEG4Level0:
        level = "0";
        break;
      case OMX_VIDEO_MPEG4Level0b:
        level = "0b";
        break;
      case OMX_VIDEO_MPEG4Level1:
        level = "1";
        break;
      case OMX_VIDEO_MPEG4Level2:
        level = "2";
        break;
      case OMX_VIDEO_MPEG4Level3:
        level = "3";
        break;
      case OMX_VIDEO_MPEG4Level4:
        level = "4";
        break;
      case OMX_VIDEO_MPEG4Level4a:
        level = "4a";
        break;
      case OMX_VIDEO_MPEG4Level5:
        level = "5";
        break;
      default:
        g_assert_not_reached ();
        break;
    }

    gst_caps_set_simple (caps,
        "profile", G_TYPE_STRING, profile, "level", G_TYPE_STRING, level, NULL);
  }

  return caps;
}
static void
gst_omx_audio_dec_loop (GstOMXAudioDec * self)
{
  GstOMXPort *port = self->dec_out_port;
  GstOMXBuffer *buf = NULL;
  GstFlowReturn flow_ret = GST_FLOW_OK;
  GstOMXAcquireBufferReturn acq_return;
  OMX_ERRORTYPE err;

  acq_return = gst_omx_port_acquire_buffer (port, &buf);
  if (acq_return == GST_OMX_ACQUIRE_BUFFER_ERROR) {
    goto component_error;
  } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_FLUSHING) {
    goto flushing;
  } else if (acq_return == GST_OMX_ACQUIRE_BUFFER_EOS) {
    goto eos;
  }

  if (!gst_pad_has_current_caps (GST_AUDIO_DECODER_SRC_PAD (self)) ||
      acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
    OMX_PARAM_PORTDEFINITIONTYPE port_def;
    OMX_AUDIO_PARAM_PCMMODETYPE pcm_param;
    GstAudioChannelPosition omx_position[OMX_AUDIO_MAXCHANNELS];
    GstOMXAudioDecClass *klass = GST_OMX_AUDIO_DEC_GET_CLASS (self);
    gint i;

    GST_DEBUG_OBJECT (self, "Port settings have changed, updating caps");

    /* Reallocate all buffers */
    if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE
        && gst_omx_port_is_enabled (port)) {
      err = gst_omx_port_set_enabled (port, FALSE);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_wait_buffers_released (port, 5 * GST_SECOND);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_deallocate_buffers (port);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_wait_enabled (port, 1 * GST_SECOND);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;
    }

    /* Just update caps */
    GST_AUDIO_DECODER_STREAM_LOCK (self);

    gst_omx_port_get_port_definition (port, &port_def);
    g_assert (port_def.format.audio.eEncoding == OMX_AUDIO_CodingPCM);

    GST_OMX_INIT_STRUCT (&pcm_param);
    pcm_param.nPortIndex = self->dec_out_port->index;
    err =
        gst_omx_component_get_parameter (self->dec, OMX_IndexParamAudioPcm,
        &pcm_param);
    if (err != OMX_ErrorNone) {
      GST_ERROR_OBJECT (self, "Failed to get PCM parameters: %s (0x%08x)",
          gst_omx_error_to_string (err), err);
      goto caps_failed;
    }

    g_assert (pcm_param.ePCMMode == OMX_AUDIO_PCMModeLinear);
    g_assert (pcm_param.bInterleaved == OMX_TRUE);

    gst_audio_info_init (&self->info);

    for (i = 0; i < pcm_param.nChannels; i++) {
      switch (pcm_param.eChannelMapping[i]) {
        case OMX_AUDIO_ChannelLF:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
          break;
        case OMX_AUDIO_ChannelRF:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
          break;
        case OMX_AUDIO_ChannelCF:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
          break;
        case OMX_AUDIO_ChannelLS:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT;
          break;
        case OMX_AUDIO_ChannelRS:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT;
          break;
        case OMX_AUDIO_ChannelLFE:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_LFE1;
          break;
        case OMX_AUDIO_ChannelCS:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER;
          break;
        case OMX_AUDIO_ChannelLR:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
          break;
        case OMX_AUDIO_ChannelRR:
          omx_position[i] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
          break;
        case OMX_AUDIO_ChannelNone:
        default:
          /* This will break the outer loop too as the
           * i == pcm_param.nChannels afterwards */
          for (i = 0; i < pcm_param.nChannels; i++)
            omx_position[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
          break;
      }
    }
    if (pcm_param.nChannels == 1
        && omx_position[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER)
      omx_position[0] = GST_AUDIO_CHANNEL_POSITION_MONO;

    if (omx_position[0] == GST_AUDIO_CHANNEL_POSITION_NONE
        && klass->get_channel_positions) {
      GST_WARNING_OBJECT (self,
          "Failed to get a valid channel layout, trying fallback");
      klass->get_channel_positions (self, self->dec_out_port, omx_position);
    }

    memcpy (self->position, omx_position, sizeof (omx_position));
    gst_audio_channel_positions_to_valid_order (self->position,
        pcm_param.nChannels);
    self->needs_reorder =
        (memcmp (self->position, omx_position,
            sizeof (GstAudioChannelPosition) * pcm_param.nChannels) != 0);
    if (self->needs_reorder)
      gst_audio_get_channel_reorder_map (pcm_param.nChannels, self->position,
          omx_position, self->reorder_map);

    gst_audio_info_set_format (&self->info,
        gst_audio_format_build_integer (pcm_param.eNumData ==
            OMX_NumericalDataSigned,
            pcm_param.eEndian ==
            OMX_EndianLittle ? G_LITTLE_ENDIAN : G_BIG_ENDIAN,
            pcm_param.nBitPerSample, pcm_param.nBitPerSample),
        pcm_param.nSamplingRate, pcm_param.nChannels, self->position);

    GST_DEBUG_OBJECT (self,
        "Setting output state: format %s, rate %u, channels %u",
        gst_audio_format_to_string (self->info.finfo->format),
        (guint) pcm_param.nSamplingRate, (guint) pcm_param.nChannels);

    if (!gst_audio_decoder_set_output_format (GST_AUDIO_DECODER (self),
            &self->info)
        || !gst_audio_decoder_negotiate (GST_AUDIO_DECODER (self))) {
      if (buf)
        gst_omx_port_release_buffer (port, buf);
      goto caps_failed;
    }

    GST_AUDIO_DECODER_STREAM_UNLOCK (self);

    if (acq_return == GST_OMX_ACQUIRE_BUFFER_RECONFIGURE) {
      err = gst_omx_port_set_enabled (port, TRUE);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_allocate_buffers (port);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_wait_enabled (port, 5 * GST_SECOND);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_populate (port);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;

      err = gst_omx_port_mark_reconfigured (port);
      if (err != OMX_ErrorNone)
        goto reconfigure_error;
    }

    /* Now get a buffer */
    if (acq_return != GST_OMX_ACQUIRE_BUFFER_OK) {
      return;
    }
  }

  g_assert (acq_return == GST_OMX_ACQUIRE_BUFFER_OK);
  if (!buf) {
    g_assert ((klass->cdata.hacks & GST_OMX_HACK_NO_EMPTY_EOS_BUFFER));
    GST_AUDIO_DECODER_STREAM_LOCK (self);
    goto eos;
  }

  /* This prevents a deadlock between the srcpad stream
   * lock and the audiocodec stream lock, if ::reset()
   * is called at the wrong time
   */
  if (gst_omx_port_is_flushing (port)) {
    GST_DEBUG_OBJECT (self, "Flushing");
    gst_omx_port_release_buffer (port, buf);
    goto flushing;
  }

  GST_DEBUG_OBJECT (self, "Handling buffer: 0x%08x %" G_GUINT64_FORMAT,
      (guint) buf->omx_buf->nFlags, (guint64) buf->omx_buf->nTimeStamp);

  GST_AUDIO_DECODER_STREAM_LOCK (self);

  if (buf->omx_buf->nFilledLen > 0) {
    GstBuffer *outbuf;
    gint nframes, spf;
    GstMapInfo minfo;
    GstOMXAudioDecClass *klass = GST_OMX_AUDIO_DEC_GET_CLASS (self);

    GST_DEBUG_OBJECT (self, "Handling output data");

    if (buf->omx_buf->nFilledLen % self->info.bpf != 0) {
      gst_omx_port_release_buffer (port, buf);
      goto invalid_buffer;
    }

    outbuf =
        gst_audio_decoder_allocate_output_buffer (GST_AUDIO_DECODER (self),
        buf->omx_buf->nFilledLen);

    gst_buffer_map (outbuf, &minfo, GST_MAP_WRITE);
    if (self->needs_reorder) {
      gint i, n_samples, c, n_channels;
      gint *reorder_map = self->reorder_map;
      gint16 *dest, *source;

      dest = (gint16 *) minfo.data;
      source = (gint16 *) (buf->omx_buf->pBuffer + buf->omx_buf->nOffset);
      n_samples = buf->omx_buf->nFilledLen / self->info.bpf;
      n_channels = self->info.channels;

      for (i = 0; i < n_samples; i++) {
        for (c = 0; c < n_channels; c++) {
          dest[i * n_channels + reorder_map[c]] = source[i * n_channels + c];
        }
      }
    } else {
      memcpy (minfo.data, buf->omx_buf->pBuffer + buf->omx_buf->nOffset,
          buf->omx_buf->nFilledLen);
    }
    gst_buffer_unmap (outbuf, &minfo);

    nframes = 1;
    spf = klass->get_samples_per_frame (self, self->dec_out_port);
    if (spf != -1) {
      nframes = buf->omx_buf->nFilledLen / self->info.bpf;
      if (nframes % spf != 0)
        GST_WARNING_OBJECT (self, "Output buffer does not contain an integer "
            "number of input frames (frames: %d, spf: %d)", nframes, spf);
      nframes = (nframes + spf - 1) / spf;
    }

    GST_BUFFER_TIMESTAMP (outbuf) =
        gst_util_uint64_scale (buf->omx_buf->nTimeStamp, GST_SECOND,
        OMX_TICKS_PER_SECOND);
    if (buf->omx_buf->nTickCount != 0)
      GST_BUFFER_DURATION (outbuf) =
          gst_util_uint64_scale (buf->omx_buf->nTickCount, GST_SECOND,
          OMX_TICKS_PER_SECOND);

    flow_ret =
        gst_audio_decoder_finish_frame (GST_AUDIO_DECODER (self), outbuf,
        nframes);
  }

  GST_DEBUG_OBJECT (self, "Read frame from component");

  GST_DEBUG_OBJECT (self, "Finished frame: %s", gst_flow_get_name (flow_ret));

  if (buf) {
    err = gst_omx_port_release_buffer (port, buf);
    if (err != OMX_ErrorNone)
      goto release_error;
  }

  self->downstream_flow_ret = flow_ret;

  if (flow_ret != GST_FLOW_OK)
    goto flow_error;

  GST_AUDIO_DECODER_STREAM_UNLOCK (self);

  return;

component_error:
  {
    GST_ELEMENT_ERROR (self, LIBRARY, FAILED, (NULL),
        ("OpenMAX component in error state %s (0x%08x)",
            gst_omx_component_get_last_error_string (self->dec),
            gst_omx_component_get_last_error (self->dec)));
    gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self), gst_event_new_eos ());
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    self->downstream_flow_ret = GST_FLOW_ERROR;
    self->started = FALSE;
    return;
  }

flushing:
  {
    GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    self->downstream_flow_ret = GST_FLOW_FLUSHING;
    self->started = FALSE;
    return;
  }

eos:
  {
    g_mutex_lock (&self->drain_lock);
    if (self->draining) {
      GST_DEBUG_OBJECT (self, "Drained");
      self->draining = FALSE;
      g_cond_broadcast (&self->drain_cond);
      flow_ret = GST_FLOW_OK;
      gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    } else {
      GST_DEBUG_OBJECT (self, "Component signalled EOS");
      flow_ret = GST_FLOW_EOS;
    }
    g_mutex_unlock (&self->drain_lock);

    GST_AUDIO_DECODER_STREAM_LOCK (self);
    self->downstream_flow_ret = flow_ret;

    /* Here we fallback and pause the task for the EOS case */
    if (flow_ret != GST_FLOW_OK)
      goto flow_error;

    GST_AUDIO_DECODER_STREAM_UNLOCK (self);

    return;
  }

flow_error:
  {
    if (flow_ret == GST_FLOW_EOS) {
      GST_DEBUG_OBJECT (self, "EOS");

      gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self),
          gst_event_new_eos ());
      gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
      self->started = FALSE;
    } else if (flow_ret < GST_FLOW_EOS) {
      GST_ELEMENT_ERROR (self, STREAM, FAILED,
          ("Internal data stream error."), ("stream stopped, reason %s",
              gst_flow_get_name (flow_ret)));

      gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self),
          gst_event_new_eos ());
      gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
      self->started = FALSE;
    } else if (flow_ret == GST_FLOW_FLUSHING) {
      GST_DEBUG_OBJECT (self, "Flushing -- stopping task");
      gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
      self->started = FALSE;
    }
    GST_AUDIO_DECODER_STREAM_UNLOCK (self);
    return;
  }

reconfigure_error:
  {
    GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
        ("Unable to reconfigure output port"));
    gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self), gst_event_new_eos ());
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    self->downstream_flow_ret = GST_FLOW_ERROR;
    self->started = FALSE;
    return;
  }

invalid_buffer:
  {
    GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
        ("Invalid sized input buffer"));
    gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self), gst_event_new_eos ());
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
    self->started = FALSE;
    GST_AUDIO_DECODER_STREAM_UNLOCK (self);
    return;
  }

caps_failed:
  {
    GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL), ("Failed to set caps"));
    gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self), gst_event_new_eos ());
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    GST_AUDIO_DECODER_STREAM_UNLOCK (self);
    self->downstream_flow_ret = GST_FLOW_NOT_NEGOTIATED;
    self->started = FALSE;
    return;
  }
release_error:
  {
    GST_ELEMENT_ERROR (self, LIBRARY, SETTINGS, (NULL),
        ("Failed to relase output buffer to component: %s (0x%08x)",
            gst_omx_error_to_string (err), err));
    gst_pad_push_event (GST_AUDIO_DECODER_SRC_PAD (self), gst_event_new_eos ());
    gst_pad_pause_task (GST_AUDIO_DECODER_SRC_PAD (self));
    self->downstream_flow_ret = GST_FLOW_ERROR;
    self->started = FALSE;
    GST_AUDIO_DECODER_STREAM_UNLOCK (self);
    return;
  }
}
static gboolean
gst_omx_aac_dec_set_format (GstOMXAudioDec * dec, GstOMXPort * port,
    GstCaps * caps)
{
  GstOMXAACDec *self = GST_OMX_AAC_DEC (dec);
  OMX_PARAM_PORTDEFINITIONTYPE port_def;
  OMX_AUDIO_PARAM_AACPROFILETYPE aac_param;
  OMX_ERRORTYPE err;
  GstStructure *s;
  gint rate, channels, mpegversion;
  const gchar *stream_format;

  gst_omx_port_get_port_definition (port, &port_def);
  port_def.format.audio.eEncoding = OMX_AUDIO_CodingAAC;
  err = gst_omx_port_update_port_definition (port, &port_def);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "Failed to set AAC format on component: %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  GST_OMX_INIT_STRUCT (&aac_param);
  aac_param.nPortIndex = port->index;

  err =
      gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioAac,
      &aac_param);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "Failed to get AAC parameters from component: %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  s = gst_caps_get_structure (caps, 0);

  if (!gst_structure_get_int (s, "mpegversion", &mpegversion) ||
      !gst_structure_get_int (s, "rate", &rate) ||
      !gst_structure_get_int (s, "channels", &channels)) {
    GST_ERROR_OBJECT (self, "Incomplete caps");
    return FALSE;
  }

  stream_format = gst_structure_get_string (s, "stream-format");
  if (!stream_format) {
    GST_ERROR_OBJECT (self, "Incomplete caps");
    return FALSE;
  }

  aac_param.nChannels = channels;
  aac_param.nSampleRate = rate;
  aac_param.nBitRate = 0;       /* unknown */
  aac_param.nAudioBandWidth = 0;        /* decoder decision */
  aac_param.eChannelMode = 0;   /* FIXME */
  if (mpegversion == 2)
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP2ADTS;
  else if (strcmp (stream_format, "adts") == 0)
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4ADTS;
  else if (strcmp (stream_format, "loas") == 0)
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatMP4LOAS;
  else if (strcmp (stream_format, "adif") == 0)
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatADIF;
  else if (strcmp (stream_format, "raw") == 0)
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatRAW;
  else                          /* fallback instead of failing */
    aac_param.eAACStreamFormat = OMX_AUDIO_AACStreamFormatRAW;

  err =
      gst_omx_component_set_parameter (dec->dec, OMX_IndexParamAudioAac,
      &aac_param);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self, "Error setting AAC parameters: %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  return TRUE;
}
static gboolean
gst_omx_aac_dec_is_format_change (GstOMXAudioDec * dec, GstOMXPort * port,
    GstCaps * caps)
{
  GstOMXAACDec *self = GST_OMX_AAC_DEC (dec);
  OMX_AUDIO_PARAM_AACPROFILETYPE aac_param;
  OMX_ERRORTYPE err;
  GstStructure *s;
  gint rate, channels, mpegversion;
  const gchar *stream_format;

  GST_OMX_INIT_STRUCT (&aac_param);
  aac_param.nPortIndex = port->index;

  err =
      gst_omx_component_get_parameter (dec->dec, OMX_IndexParamAudioAac,
      &aac_param);
  if (err != OMX_ErrorNone) {
    GST_ERROR_OBJECT (self,
        "Failed to get AAC parameters from component: %s (0x%08x)",
        gst_omx_error_to_string (err), err);
    return FALSE;
  }

  s = gst_caps_get_structure (caps, 0);

  if (!gst_structure_get_int (s, "mpegversion", &mpegversion) ||
      !gst_structure_get_int (s, "rate", &rate) ||
      !gst_structure_get_int (s, "channels", &channels)) {
    GST_ERROR_OBJECT (self, "Incomplete caps");
    return FALSE;
  }

  stream_format = gst_structure_get_string (s, "stream-format");
  if (!stream_format) {
    GST_ERROR_OBJECT (self, "Incomplete caps");
    return FALSE;
  }

  if (aac_param.nChannels != channels)
    return TRUE;

  if (aac_param.nSampleRate != rate)
    return TRUE;

  if (mpegversion == 2
      && aac_param.eAACStreamFormat != OMX_AUDIO_AACStreamFormatMP2ADTS)
    return TRUE;
  if (aac_param.eAACStreamFormat == OMX_AUDIO_AACStreamFormatMP4ADTS &&
      strcmp (stream_format, "adts") != 0)
    return TRUE;
  if (aac_param.eAACStreamFormat == OMX_AUDIO_AACStreamFormatMP4LOAS &&
      strcmp (stream_format, "loas") != 0)
    return TRUE;
  if (aac_param.eAACStreamFormat == OMX_AUDIO_AACStreamFormatADIF &&
      strcmp (stream_format, "adif") != 0)
    return TRUE;
  if (aac_param.eAACStreamFormat == OMX_AUDIO_AACStreamFormatRAW &&
      strcmp (stream_format, "raw") != 0)
    return TRUE;

  return FALSE;
}