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ext/flac/gstflacenc.c: Support encoding of up to 8 channels.
Original commit message from CVS: * ext/flac/gstflacenc.c: (gst_flac_enc_init), (gst_flac_enc_sink_getcaps): Support encoding of up to 8 channels.
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2 changed files with 144 additions and 36 deletions
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@ -1,3 +1,9 @@
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2008-08-03 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* ext/flac/gstflacenc.c: (gst_flac_enc_init),
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(gst_flac_enc_sink_getcaps):
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Support encoding of up to 8 channels.
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2008-08-02 Jan Schmidt <jan.schmidt@sun.com>
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* ext/soup/gstsouphttpsrc.c:
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@ -21,7 +21,7 @@
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* - we assume timestamps start from 0 and that we get a perfect stream; we
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* don't handle non-zero starts and mid-stream discontinuities, esp. not if
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* we're muxing into ogg
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* - need to support wider caps, flac can do 1-8 channels and 4-32 bit pcm
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* - need to support wider caps, 4-32 bit pcm
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* http://flac.sourceforge.net/faq.html#general__channels
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* it also support sampling rate from 1Hz - 655350Hz
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*/
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@ -34,9 +34,51 @@
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#include <gstflacenc.h>
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#include <gst/audio/audio.h>
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#include <gst/audio/multichannel.h>
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#include <gst/tag/tag.h>
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#include <gst/gsttagsetter.h>
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/* Taken from http://flac.sourceforge.net/format.html#frame_header */
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static const GstAudioChannelPosition channel_positions[8][8] = {
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{GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
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{GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_LFE,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
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/* FIXME: 7/8 channel layouts are not defined in the FLAC specs */
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{
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_LFE,
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GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
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GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
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GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
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GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
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GST_AUDIO_CHANNEL_POSITION_LFE,
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GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
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GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
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};
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static const GstElementDetails flacenc_details =
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GST_ELEMENT_DETAILS ("FLAC audio encoder",
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@ -51,7 +93,7 @@ GST_ELEMENT_DETAILS ("FLAC audio encoder",
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"width = (int) 16, " \
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"depth = (int) 16, " \
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"rate = (int) [ 8000, 96000 ], " \
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"channels = (int) [ 1, 2 ]"
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"channels = (int) [ 1, 8 ]"
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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@ -104,6 +146,7 @@ GST_BOILERPLATE_FULL (GstFlacEnc, gst_flac_enc, GstElement, GST_TYPE_ELEMENT,
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static void gst_flac_enc_finalize (GObject * object);
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static gboolean gst_flac_enc_sink_setcaps (GstPad * pad, GstCaps * caps);
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static GstCaps *gst_flac_enc_sink_getcaps (GstPad * pad);
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static gboolean gst_flac_enc_sink_event (GstPad * pad, GstEvent * event);
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static GstFlowReturn gst_flac_enc_chain (GstPad * pad, GstBuffer * buffer);
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@ -312,6 +355,8 @@ gst_flac_enc_init (GstFlacEnc * flacenc, GstFlacEncClass * klass)
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GST_DEBUG_FUNCPTR (gst_flac_enc_chain));
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gst_pad_set_event_function (flacenc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_flac_enc_sink_event));
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gst_pad_set_getcaps_function (flacenc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_flac_enc_sink_getcaps));
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gst_pad_set_setcaps_function (flacenc->sinkpad,
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GST_DEBUG_FUNCPTR (gst_flac_enc_sink_setcaps));
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gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
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@ -401,6 +446,63 @@ gst_flac_enc_set_metadata (GstFlacEnc * flacenc)
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gst_tag_list_free (copy);
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}
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static GstCaps *
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gst_flac_enc_sink_getcaps (GstPad * pad)
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{
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GstCaps *ret = NULL;
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GST_OBJECT_LOCK (pad);
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if (GST_PAD_CAPS (pad)) {
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ret = gst_caps_ref (GST_PAD_CAPS (pad));
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} else {
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gint i, c;
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ret = gst_caps_new_empty ();
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gst_caps_append_structure (ret, gst_structure_new ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"rate", GST_TYPE_INT_RANGE, 8000, 96000,
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"channels", GST_TYPE_INT_RANGE, 1, 2, NULL));
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for (i = 3; i <= 8; i++) {
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GValue positions = { 0, };
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GValue pos = { 0, };
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GstStructure *s;
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g_value_init (&positions, GST_TYPE_ARRAY);
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g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
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for (c = 0; c < i; c++) {
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g_value_set_enum (&pos, channel_positions[i - 1][c]);
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gst_value_array_append_value (&positions, &pos);
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}
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g_value_unset (&pos);
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s = gst_structure_new ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_BYTE_ORDER,
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"signed", G_TYPE_BOOLEAN, TRUE,
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"width", G_TYPE_INT, 16,
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"depth", G_TYPE_INT, 16,
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"rate", GST_TYPE_INT_RANGE, 8000, 96000,
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"channels", G_TYPE_INT, i, NULL);
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gst_structure_set_value (s, "channel-positions", &positions);
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g_value_unset (&positions);
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gst_caps_append_structure (ret, s);
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}
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}
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GST_OBJECT_UNLOCK (pad);
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GST_DEBUG_OBJECT (pad, "Return caps %" GST_PTR_FORMAT, ret);
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return ret;
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}
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static gboolean
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gst_flac_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
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{
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@ -1056,38 +1158,38 @@ gst_flac_enc_set_property (GObject * object, guint prop_id,
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break;
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case PROP_EXHAUSTIVE_MODEL_SEARCH:
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#ifdef LEGACY_FLAC
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FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->
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encoder, g_value_get_boolean (value));
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FLAC__seekable_stream_encoder_set_do_exhaustive_model_search
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(this->encoder, g_value_get_boolean (value));
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#else
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FLAC__stream_encoder_set_do_exhaustive_model_search (this->
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encoder, g_value_get_boolean (value));
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FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
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g_value_get_boolean (value));
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#endif
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break;
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case PROP_MIN_RESIDUAL_PARTITION_ORDER:
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#ifdef LEGACY_FLAC
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FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->
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encoder, g_value_get_uint (value));
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FLAC__seekable_stream_encoder_set_min_residual_partition_order
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(this->encoder, g_value_get_uint (value));
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#else
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FLAC__stream_encoder_set_min_residual_partition_order (this->
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encoder, g_value_get_uint (value));
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FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
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g_value_get_uint (value));
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#endif
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break;
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case PROP_MAX_RESIDUAL_PARTITION_ORDER:
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#ifdef LEGACY_FLAC
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FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->
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encoder, g_value_get_uint (value));
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FLAC__seekable_stream_encoder_set_max_residual_partition_order
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(this->encoder, g_value_get_uint (value));
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#else
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FLAC__stream_encoder_set_max_residual_partition_order (this->
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encoder, g_value_get_uint (value));
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FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
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g_value_get_uint (value));
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#endif
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break;
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case PROP_RICE_PARAMETER_SEARCH_DIST:
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#ifdef LEGACY_FLAC
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FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->
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encoder, g_value_get_uint (value));
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FLAC__seekable_stream_encoder_set_rice_parameter_search_dist
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(this->encoder, g_value_get_uint (value));
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#else
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FLAC__stream_encoder_set_rice_parameter_search_dist (this->
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encoder, g_value_get_uint (value));
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FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
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g_value_get_uint (value));
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#endif
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break;
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default:
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@ -1131,8 +1233,8 @@ gst_flac_enc_get_property (GObject * object, guint prop_id,
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case PROP_LOOSE_MID_SIDE_STEREO:
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#ifdef LEGACY_FLAC
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g_value_set_boolean (value,
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FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->
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encoder));
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FLAC__seekable_stream_encoder_get_loose_mid_side_stereo
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(this->encoder));
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#else
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g_value_set_boolean (value,
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FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
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@ -1159,8 +1261,8 @@ gst_flac_enc_get_property (GObject * object, guint prop_id,
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case PROP_QLP_COEFF_PRECISION:
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#ifdef LEGACY_FLAC
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g_value_set_uint (value,
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FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->
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encoder));
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FLAC__seekable_stream_encoder_get_qlp_coeff_precision
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(this->encoder));
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#else
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g_value_set_uint (value,
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FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
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case PROP_QLP_COEFF_PREC_SEARCH:
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#ifdef LEGACY_FLAC
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g_value_set_boolean (value,
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FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->
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encoder));
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FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search
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(this->encoder));
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#else
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g_value_set_boolean (value,
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FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
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case PROP_EXHAUSTIVE_MODEL_SEARCH:
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#ifdef LEGACY_FLAC
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g_value_set_boolean (value,
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FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->
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encoder));
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FLAC__seekable_stream_encoder_get_do_exhaustive_model_search
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(this->encoder));
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#else
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g_value_set_boolean (value,
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FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
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@ -1198,30 +1300,30 @@ gst_flac_enc_get_property (GObject * object, guint prop_id,
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case PROP_MIN_RESIDUAL_PARTITION_ORDER:
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#ifdef LEGACY_FLAC
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g_value_set_uint (value,
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FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->
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encoder));
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FLAC__seekable_stream_encoder_get_min_residual_partition_order
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(this->encoder));
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#else
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g_value_set_uint (value,
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FLAC__stream_encoder_get_min_residual_partition_order (this->
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encoder));
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FLAC__stream_encoder_get_min_residual_partition_order
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(this->encoder));
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#endif
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break;
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case PROP_MAX_RESIDUAL_PARTITION_ORDER:
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#ifdef LEGACY_FLAC
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g_value_set_uint (value,
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FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->
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encoder));
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FLAC__seekable_stream_encoder_get_max_residual_partition_order
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(this->encoder));
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#else
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g_value_set_uint (value,
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FLAC__stream_encoder_get_max_residual_partition_order (this->
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encoder));
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FLAC__stream_encoder_get_max_residual_partition_order
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(this->encoder));
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#endif
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break;
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case PROP_RICE_PARAMETER_SEARCH_DIST:
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#ifdef LEGACY_FLAC
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g_value_set_uint (value,
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FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->
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encoder));
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FLAC__seekable_stream_encoder_get_rice_parameter_search_dist
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(this->encoder));
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#else
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g_value_set_uint (value,
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FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
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