/* FIXME 0.11: remove tag handling and let container take care of that? */ static GstFlowReturn vorbis_handle_comment_packet (GstVorbisDec * vd, ogg_packet * packet) { guint bitrate = 0; gchar *encoder = NULL; GstTagList *list; guint8 *data; gsize size; GST_DEBUG_OBJECT (vd, "parsing comment packet"); data = gst_ogg_packet_data (packet); size = gst_ogg_packet_size (packet); list = gst_tag_list_from_vorbiscomment (data, size, (guint8 *) "\003vorbis", 7, &encoder); if (!list) { GST_ERROR_OBJECT (vd, "couldn't decode comments"); list = gst_tag_list_new_empty (); } if (encoder) { if (encoder[0]) gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, encoder, NULL); g_free (encoder); } gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER_VERSION, vd->vi.version, GST_TAG_AUDIO_CODEC, "Vorbis", NULL); if (vd->vi.bitrate_nominal > 0 && vd->vi.bitrate_nominal <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE, (guint) vd->vi.bitrate_nominal, NULL); bitrate = vd->vi.bitrate_nominal; } if (vd->vi.bitrate_upper > 0 && vd->vi.bitrate_upper <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_MAXIMUM_BITRATE, (guint) vd->vi.bitrate_upper, NULL); if (!bitrate) bitrate = vd->vi.bitrate_upper; } if (vd->vi.bitrate_lower > 0 && vd->vi.bitrate_lower <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_MINIMUM_BITRATE, (guint) vd->vi.bitrate_lower, NULL); if (!bitrate) bitrate = vd->vi.bitrate_lower; } if (bitrate) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_BITRATE, (guint) bitrate, NULL); } gst_audio_decoder_merge_tags (GST_AUDIO_DECODER_CAST (vd), list, GST_TAG_MERGE_REPLACE); gst_tag_list_unref (list); return GST_FLOW_OK; }
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)); }
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; }
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); }
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); }
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); }
static void gst_dtsdec_init (GstDtsDec * dtsdec) { dtsdec->request_channels = DCA_CHANNEL; dtsdec->dynamic_range_compression = FALSE; gst_audio_decoder_set_use_default_pad_acceptcaps (GST_AUDIO_DECODER_CAST (dtsdec), TRUE); GST_PAD_SET_ACCEPT_TEMPLATE (GST_AUDIO_DECODER_SINK_PAD (dtsdec)); /* retrieve and intercept base class chain. * Quite HACKish, but that's dvd specs for you, * since one buffer needs to be split into 2 frames */ dtsdec->base_chain = GST_PAD_CHAINFUNC (GST_AUDIO_DECODER_SINK_PAD (dtsdec)); gst_pad_set_chain_function (GST_AUDIO_DECODER_SINK_PAD (dtsdec), GST_DEBUG_FUNCPTR (gst_dtsdec_chain)); }
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); }
static GstFlowReturn vorbis_handle_comment_packet (GstVorbisDec * vd, ogg_packet * packet) { guint bitrate = 0; gchar *encoder = NULL; GstTagList *list; GstBuffer *buf; GST_DEBUG_OBJECT (vd, "parsing comment packet"); buf = gst_buffer_new (); GST_BUFFER_DATA (buf) = gst_ogg_packet_data (packet); GST_BUFFER_SIZE (buf) = gst_ogg_packet_size (packet); list = gst_tag_list_from_vorbiscomment_buffer (buf, (guint8 *) "\003vorbis", 7, &encoder); if (!list) { GST_ERROR_OBJECT (vd, "couldn't decode comments"); list = gst_tag_list_new (); } gst_buffer_unref (buf); if (encoder) { if (encoder[0]) gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER, encoder, NULL); g_free (encoder); } gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER_VERSION, vd->vi.version, GST_TAG_AUDIO_CODEC, "Vorbis", NULL); if (vd->vi.bitrate_nominal > 0 && vd->vi.bitrate_nominal <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_NOMINAL_BITRATE, (guint) vd->vi.bitrate_nominal, NULL); bitrate = vd->vi.bitrate_nominal; } if (vd->vi.bitrate_upper > 0 && vd->vi.bitrate_upper <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_MAXIMUM_BITRATE, (guint) vd->vi.bitrate_upper, NULL); if (!bitrate) bitrate = vd->vi.bitrate_upper; } if (vd->vi.bitrate_lower > 0 && vd->vi.bitrate_lower <= 0x7FFFFFFF) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_MINIMUM_BITRATE, (guint) vd->vi.bitrate_lower, NULL); if (!bitrate) bitrate = vd->vi.bitrate_lower; } if (bitrate) { gst_tag_list_add (list, GST_TAG_MERGE_REPLACE, GST_TAG_BITRATE, (guint) bitrate, NULL); } gst_audio_decoder_merge_tags (GST_AUDIO_DECODER_CAST (vd), list, GST_TAG_MERGE_REPLACE); if (vd->initialized) { gst_tag_list_free (list); } else { /* Only post them as messages for the time being. * * They will be pushed on the pad once the decoder is initialized */ gst_element_post_message (GST_ELEMENT_CAST (vd), gst_message_new_tag (GST_OBJECT (vd), list)); } return GST_FLOW_OK; }