2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
27 #include <gstflacenc.h>
28 #include <gst/tags/gsttagediting.h>
29 #include <gst/gsttaginterface.h>
30 #include "flac_compat.h"
32 static GstPadTemplate *src_template, *sink_template;
34 /* elementfactory information */
35 GstElementDetails flacenc_details = {
37 "Codec/Encoder/Audio",
38 "Encodes audio with the FLAC lossless audio encoder",
39 "Wim Taymans <wim.taymans@chello.be>",
42 /* FlacEnc signals and args */
51 ARG_STREAMABLE_SUBSET,
53 ARG_LOOSE_MID_SIDE_STEREO,
56 ARG_QLP_COEFF_PRECISION,
57 ARG_QLP_COEFF_PREC_SEARCH,
59 ARG_EXHAUSTIVE_MODEL_SEARCH,
60 ARG_MIN_RESIDUAL_PARTITION_ORDER,
61 ARG_MAX_RESIDUAL_PARTITION_ORDER,
62 ARG_RICE_PARAMETER_SEARCH_DIST,
65 static void gst_flacenc_base_init (gpointer g_class);
66 static void gst_flacenc_init (FlacEnc *flacenc);
67 static void gst_flacenc_class_init (FlacEncClass *klass);
68 static void gst_flacenc_dispose (GObject *object);
70 static GstPadLinkReturn
71 gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps);
72 static void gst_flacenc_chain (GstPad *pad, GstData *_data);
74 static gboolean gst_flacenc_update_quality (FlacEnc *flacenc, gint quality);
75 static void gst_flacenc_set_property (GObject *object, guint prop_id,
76 const GValue *value, GParamSpec *pspec);
77 static void gst_flacenc_get_property (GObject *object, guint prop_id,
78 GValue *value, GParamSpec *pspec);
79 static GstElementStateReturn
80 gst_flacenc_change_state (GstElement *element);
82 static FLAC__StreamEncoderWriteStatus
83 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder *encoder,
84 const FLAC__byte buffer[], unsigned bytes,
85 unsigned samples, unsigned current_frame,
87 static FLAC__SeekableStreamEncoderSeekStatus
88 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder *encoder,
89 FLAC__uint64 absolute_byte_offset,
92 static GstElementClass *parent_class = NULL;
93 /*static guint gst_flacenc_signals[LAST_SIGNAL] = { 0 }; */
96 flacenc_get_type (void)
98 static GType flacenc_type = 0;
101 static const GTypeInfo flacenc_info = {
102 sizeof(FlacEncClass),
103 gst_flacenc_base_init,
105 (GClassInitFunc)gst_flacenc_class_init,
110 (GInstanceInitFunc)gst_flacenc_init,
113 static const GInterfaceInfo tag_setter_info = {
119 flacenc_type = g_type_register_static (GST_TYPE_ELEMENT, "FlacEnc", &flacenc_info, 0);
120 g_type_add_interface_static (flacenc_type, GST_TYPE_TAG_SETTER, &tag_setter_info);
126 gboolean exhaustive_model_search;
127 gboolean escape_coding;
129 gboolean loose_mid_side;
130 guint qlp_coeff_precision;
131 gboolean qlp_coeff_prec_search;
132 guint min_residual_partition_order;
133 guint max_residual_partition_order;
134 guint rice_parameter_search_dist;
139 static const FlacEncParams flacenc_params[] =
141 { FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152 },
142 { FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152 },
143 { FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152 },
144 { FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608 },
145 { FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608 },
146 { FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608 },
147 { FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608 },
148 { TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608 },
149 { TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608 },
150 { TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608 },
153 #define DEFAULT_QUALITY 5
155 #define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
157 gst_flacenc_quality_get_type (void)
159 static GType qtype = 0;
161 static const GEnumValue values[] = {
162 { 0, "0", "0 - Fastest compression" },
167 { 5, "5", "5 - Default" },
170 { 8, "8", "8 - Highest compression " },
171 { 9, "9", "9 - Insane" },
174 qtype = g_enum_register_static ("FlacEncQuality", values);
180 flac_caps_factory (void)
185 "application/x-flac",
187 "rate", GST_PROPS_INT_RANGE (11025, 48000),
188 "channels", GST_PROPS_INT_RANGE (1, 2),
193 raw_caps_factory (void)
200 "endianness", GST_PROPS_INT (G_BYTE_ORDER),
201 "signed", GST_PROPS_BOOLEAN (TRUE),
202 "width", GST_PROPS_INT (16),
203 "depth", GST_PROPS_INT (16),
204 "rate", GST_PROPS_INT_RANGE (11025, 48000),
205 "channels", GST_PROPS_INT_RANGE (1, 2),
210 gst_flacenc_base_init (gpointer g_class)
212 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
213 GstCaps *raw_caps, *flac_caps;
215 raw_caps = raw_caps_factory ();
216 flac_caps = flac_caps_factory ();
218 sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
221 src_template = gst_pad_template_new ("src", GST_PAD_SRC,
224 gst_element_class_add_pad_template (element_class, sink_template);
225 gst_element_class_add_pad_template (element_class, src_template);
226 gst_element_class_set_details (element_class, &flacenc_details);
230 gst_flacenc_class_init (FlacEncClass *klass)
232 GObjectClass *gobject_class;
233 GstElementClass *gstelement_class;
235 gobject_class = (GObjectClass*)klass;
236 gstelement_class = (GstElementClass*)klass;
238 parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
240 /* we have no properties atm so this is a bit silly */
241 gobject_class->set_property = gst_flacenc_set_property;
242 gobject_class->get_property = gst_flacenc_get_property;
243 gobject_class->dispose = gst_flacenc_dispose;
245 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
246 g_param_spec_enum ("quality",
248 "Speed versus compression tradeoff",
249 GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
250 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_STREAMABLE_SUBSET,
251 g_param_spec_boolean ("streamable_subset",
253 "true to limit encoder to generating a Subset stream, else false",
254 TRUE, G_PARAM_READWRITE));
255 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
256 g_param_spec_boolean ("mid_side_stereo",
257 "Do mid side stereo",
258 "Do mid side stereo (only for stereo input)",
259 flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
260 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOOSE_MID_SIDE_STEREO,
261 g_param_spec_boolean ("loose_mid_side_stereo",
262 "Loose mid side stereo",
263 "Loose mid side stereo",
264 flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
265 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
266 g_param_spec_uint ("blocksize",
268 "Blocksize in samples",
269 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
270 flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
271 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
272 g_param_spec_uint ("max_lpc_order",
274 "Max LPC order; 0 => use only fixed predictors",
275 0, FLAC__MAX_LPC_ORDER,
276 flacenc_params[DEFAULT_QUALITY].max_lpc_order, G_PARAM_READWRITE));
277 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PRECISION,
278 g_param_spec_uint ("qlp_coeff_precision",
279 "QLP coefficients precision",
280 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
282 flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision, G_PARAM_READWRITE));
283 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QLP_COEFF_PREC_SEARCH,
284 g_param_spec_boolean ("qlp_coeff_prec_search",
285 "Do QLP coefficients precision search",
286 "false = use qlp_coeff_precision, "
287 "true = search around qlp_coeff_precision, take best",
288 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search, G_PARAM_READWRITE));
289 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
290 g_param_spec_boolean ("escape_coding",
292 "search for escape codes in the entropy coding stage "
293 "for slightly better compression",
294 flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
295 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EXHAUSTIVE_MODEL_SEARCH,
296 g_param_spec_boolean ("exhaustive_model_search",
297 "Do exhaustive model search",
298 "do exhaustive search of LP coefficient quantization (expensive!)",
299 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search, G_PARAM_READWRITE));
300 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MIN_RESIDUAL_PARTITION_ORDER,
301 g_param_spec_uint ("min_residual_partition_order",
302 "Min residual partition order",
303 "Min residual partition order (above 4 doesn't usually help much)",
305 flacenc_params[DEFAULT_QUALITY].min_residual_partition_order, G_PARAM_READWRITE));
306 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_RESIDUAL_PARTITION_ORDER,
307 g_param_spec_uint ("max_residual_partition_order",
308 "Max residual partition order",
309 "Max residual partition order (above 4 doesn't usually help much)",
311 flacenc_params[DEFAULT_QUALITY].max_residual_partition_order, G_PARAM_READWRITE));
312 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_RICE_PARAMETER_SEARCH_DIST,
313 g_param_spec_uint ("rice_parameter_search_dist",
314 "rice_parameter_search_dist",
315 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
316 "parameters, use best",
317 0, FLAC__MAX_RICE_PARTITION_ORDER,
318 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist, G_PARAM_READWRITE));
320 gstelement_class->change_state = gst_flacenc_change_state;
324 gst_flacenc_init (FlacEnc *flacenc)
326 flacenc->sinkpad = gst_pad_new_from_template (sink_template, "sink");
327 gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->sinkpad);
328 gst_pad_set_chain_function(flacenc->sinkpad,gst_flacenc_chain);
329 gst_pad_set_link_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
331 flacenc->srcpad = gst_pad_new_from_template (src_template, "src");
332 gst_element_add_pad(GST_ELEMENT(flacenc),flacenc->srcpad);
334 GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
336 flacenc->encoder = FLAC__seekable_stream_encoder_new();
338 flacenc->negotiated = FALSE;
339 flacenc->first = TRUE;
340 flacenc->first_buf = NULL;
341 flacenc->data = NULL;
342 gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
343 flacenc->tags = gst_tag_list_new ();
347 gst_flacenc_dispose (GObject *object)
349 FlacEnc *flacenc = GST_FLACENC (object);
351 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
353 G_OBJECT_CLASS (parent_class)->dispose (object);
356 static GstPadLinkReturn
357 gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps)
359 GstPadLinkReturn ret;
362 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
364 if (!GST_CAPS_IS_FIXED (caps))
365 return GST_PAD_LINK_DELAYED;
367 gst_caps_get_int (caps, "channels", &flacenc->channels);
368 gst_caps_get_int (caps, "depth", &flacenc->depth);
369 gst_caps_get_int (caps, "rate", &flacenc->sample_rate);
371 caps = GST_CAPS_NEW ("flacenc_srccaps",
372 "application/x-flac",
373 "channels", GST_PROPS_INT (flacenc->channels),
374 "rate", GST_PROPS_INT (flacenc->sample_rate));
375 ret = gst_pad_try_set_caps (flacenc->srcpad, caps);
380 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
382 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
383 flacenc->sample_rate);
384 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
387 flacenc->negotiated = TRUE;
393 gst_flacenc_update_quality (FlacEnc *flacenc, gint quality)
395 flacenc->quality = quality;
397 #define DO_UPDATE(name, val, str) \
399 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
400 flacenc_params[quality].val) { \
401 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
402 flacenc_params[quality].val); \
403 g_object_notify (G_OBJECT (flacenc), str); \
407 g_object_freeze_notify (G_OBJECT (flacenc));
409 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
410 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
411 DO_UPDATE (blocksize, blocksize, "blocksize");
412 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
413 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
414 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search, "qlp_coeff_prec_search");
415 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
416 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search, "exhaustive_model_search");
417 DO_UPDATE (min_residual_partition_order, min_residual_partition_order, "min_residual_partition_order");
418 DO_UPDATE (max_residual_partition_order, max_residual_partition_order, "max_residual_partition_order");
419 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist, "rice_parameter_search_dist");
423 g_object_thaw_notify (G_OBJECT (flacenc));
428 static FLAC__SeekableStreamEncoderSeekStatus
429 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder *encoder,
430 FLAC__uint64 absolute_byte_offset,
436 flacenc = GST_FLACENC (client_data);
438 if (flacenc->stopped)
439 return FLAC__STREAM_ENCODER_OK;
441 event = gst_event_new_seek ((GstSeekType)(int)(GST_FORMAT_BYTES | GST_SEEK_METHOD_SET), absolute_byte_offset);
444 gst_pad_push (flacenc->srcpad, GST_DATA (event));
446 return FLAC__STREAM_ENCODER_OK;
449 static FLAC__StreamEncoderWriteStatus
450 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder *encoder,
451 const FLAC__byte buffer[], unsigned bytes,
452 unsigned samples, unsigned current_frame,
458 flacenc = GST_FLACENC (client_data);
460 if (flacenc->stopped)
461 return FLAC__STREAM_ENCODER_OK;
463 outbuf = gst_buffer_new_and_alloc (bytes);
465 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
467 if (flacenc->first) {
468 flacenc->first_buf = outbuf;
469 gst_buffer_ref (outbuf);
470 flacenc->first = FALSE;
473 gst_pad_push (flacenc->srcpad, GST_DATA (outbuf));
475 return FLAC__STREAM_ENCODER_OK;
478 void add_one_tag (const GstTagList *list,
484 FlacEnc *flacenc = GST_FLACENC (user_data);
486 comments = gst_tag_to_vorbis_comments (list, tag);
487 for (it = comments; it != NULL; it = it->next) {
488 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
489 commment_entry.length = GUINT32_TO_LE (strlen(it->data) + 1);
490 commment_entry.entry = it->data;
491 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
492 flacenc->meta[0]->data.vorbis_comment.num_comments,
497 g_list_free (comments);
501 gst_flacenc_set_metadata (FlacEnc *flacenc)
503 const GstTagList *user_tags;
506 g_return_if_fail (flacenc != NULL);
507 user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (flacenc));
508 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
511 copy = gst_tag_list_merge (user_tags, flacenc->tags,
512 gst_tag_setter_get_merge_mode (GST_TAG_SETTER (flacenc)));
513 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
515 flacenc->meta[0] = FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
516 gst_tag_list_foreach ((GstTagList*)copy, add_one_tag, flacenc);
518 FLAC__seekable_stream_encoder_set_metadata(flacenc->encoder, flacenc->meta, 1);
519 gst_tag_list_free (copy);
524 gst_flacenc_chain (GstPad *pad, GstData *_data)
526 GstBuffer *buf = GST_BUFFER (_data);
534 g_return_if_fail(buf != NULL);
536 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
538 if (GST_IS_EVENT (buf)) {
539 GstEvent *event = GST_EVENT (buf);
541 switch (GST_EVENT_TYPE (event)) {
543 FLAC__seekable_stream_encoder_finish(flacenc->encoder);
547 gst_tag_list_merge (flacenc->tags, gst_event_tag_get_list (event),
548 gst_tag_setter_get_merge_mode (GST_TAG_SETTER (flacenc)));
550 g_assert_not_reached ();
556 gst_pad_event_default (pad, event);
560 if (!flacenc->negotiated) {
561 gst_element_error (GST_ELEMENT (flacenc),
562 "format not negotiated");
566 depth = flacenc->depth;
568 insize = GST_BUFFER_SIZE (buf);
569 samples = insize / ((depth+7)>>3);
571 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) ==
572 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
574 FLAC__SeekableStreamEncoderState state;
576 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
577 gst_flacenc_write_callback);
578 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
579 gst_flacenc_seek_callback);
581 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder,
584 gst_flacenc_set_metadata (flacenc);
585 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
586 if (state != FLAC__STREAM_ENCODER_OK) {
587 gst_element_error (GST_ELEMENT (flacenc),
588 "could not initialize encoder (wrong parameters?)");
593 /* we keep a pointer in the flacenc struct because we are freeing the data
594 * after a push opreration that might never return */
595 data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
598 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
601 for (i=0; i<samples; i++) {
602 data[i] = (FLAC__int32) *indata++;
605 else if (depth == 16) {
606 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
608 for (i=0; i<samples; i++) {
609 data[i] = (FLAC__int32) *indata++;
613 gst_buffer_unref(buf);
615 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
616 (const FLAC__int32 *) data, samples / flacenc->channels);
618 g_free (flacenc->data);
619 flacenc->data = NULL;
622 gst_element_error (GST_ELEMENT (flacenc),
628 gst_flacenc_set_property (GObject *object, guint prop_id,
629 const GValue *value, GParamSpec *pspec)
633 this = (FlacEnc *)object;
636 gst_flacenc_update_quality (this, g_value_get_enum (value));
638 case ARG_STREAMABLE_SUBSET:
639 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
640 g_value_get_boolean (value));
642 case ARG_MID_SIDE_STEREO:
643 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
644 g_value_get_boolean (value));
646 case ARG_LOOSE_MID_SIDE_STEREO:
647 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
648 g_value_get_boolean (value));
651 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
652 g_value_get_uint (value));
654 case ARG_MAX_LPC_ORDER:
655 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
656 g_value_get_uint (value));
658 case ARG_QLP_COEFF_PRECISION:
659 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
660 g_value_get_uint (value));
662 case ARG_QLP_COEFF_PREC_SEARCH:
663 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
664 g_value_get_boolean (value));
666 case ARG_ESCAPE_CODING:
667 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
668 g_value_get_boolean (value));
670 case ARG_EXHAUSTIVE_MODEL_SEARCH:
671 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->encoder,
672 g_value_get_boolean (value));
674 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
675 FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->encoder,
676 g_value_get_uint (value));
678 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
679 FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->encoder,
680 g_value_get_uint (value));
682 case ARG_RICE_PARAMETER_SEARCH_DIST:
683 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->encoder,
684 g_value_get_uint (value));
687 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
693 gst_flacenc_get_property (GObject *object, guint prop_id,
694 GValue *value, GParamSpec *pspec)
698 this = (FlacEnc *)object;
702 g_value_set_enum (value, this->quality);
704 case ARG_STREAMABLE_SUBSET:
705 g_value_set_boolean (value,
706 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
708 case ARG_MID_SIDE_STEREO:
709 g_value_set_boolean (value,
710 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
712 case ARG_LOOSE_MID_SIDE_STEREO:
713 g_value_set_boolean (value,
714 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->encoder));
717 g_value_set_uint (value,
718 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
720 case ARG_MAX_LPC_ORDER:
721 g_value_set_uint (value,
722 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
724 case ARG_QLP_COEFF_PRECISION:
725 g_value_set_uint (value,
726 FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->encoder));
728 case ARG_QLP_COEFF_PREC_SEARCH:
729 g_value_set_boolean (value,
730 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
732 case ARG_ESCAPE_CODING:
733 g_value_set_boolean (value,
734 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
736 case ARG_EXHAUSTIVE_MODEL_SEARCH:
737 g_value_set_boolean (value,
738 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->encoder));
740 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
741 g_value_set_uint (value,
742 FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->encoder));
744 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
745 g_value_set_uint (value,
746 FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->encoder));
748 case ARG_RICE_PARAMETER_SEARCH_DIST:
749 g_value_set_uint (value,
750 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->encoder));
753 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
758 static GstElementStateReturn
759 gst_flacenc_change_state (GstElement *element)
761 FlacEnc *flacenc = GST_FLACENC (element);
763 switch (GST_STATE_TRANSITION (element)) {
764 case GST_STATE_NULL_TO_READY:
765 case GST_STATE_READY_TO_PAUSED:
766 flacenc->first = TRUE;
767 flacenc->stopped = FALSE;
769 case GST_STATE_PAUSED_TO_PLAYING:
770 case GST_STATE_PLAYING_TO_PAUSED:
772 case GST_STATE_PAUSED_TO_READY:
773 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
774 FLAC__STREAM_ENCODER_UNINITIALIZED) {
775 flacenc->stopped = TRUE;
776 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
778 flacenc->negotiated = FALSE;
779 if (flacenc->first_buf)
780 gst_buffer_unref (flacenc->first_buf);
781 flacenc->first_buf = NULL;
782 g_free (flacenc->data);
783 flacenc->data = NULL;
785 FLAC__metadata_object_delete (flacenc->meta[0]);
786 g_free (flacenc->meta);
787 flacenc->meta = NULL;
790 case GST_STATE_READY_TO_NULL:
795 if (GST_ELEMENT_CLASS (parent_class)->change_state)
796 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
798 return GST_STATE_SUCCESS;