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/tag/tag.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 */
53 ARG_STREAMABLE_SUBSET,
55 ARG_LOOSE_MID_SIDE_STEREO,
58 ARG_QLP_COEFF_PRECISION,
59 ARG_QLP_COEFF_PREC_SEARCH,
61 ARG_EXHAUSTIVE_MODEL_SEARCH,
62 ARG_MIN_RESIDUAL_PARTITION_ORDER,
63 ARG_MAX_RESIDUAL_PARTITION_ORDER,
64 ARG_RICE_PARAMETER_SEARCH_DIST,
67 static void gst_flacenc_base_init (gpointer g_class);
68 static void gst_flacenc_init (FlacEnc * flacenc);
69 static void gst_flacenc_class_init (FlacEncClass * klass);
70 static void gst_flacenc_dispose (GObject * object);
72 static GstPadLinkReturn
73 gst_flacenc_sinkconnect (GstPad * pad, const GstCaps * caps);
74 static void gst_flacenc_chain (GstPad * pad, GstData * _data);
76 static gboolean gst_flacenc_update_quality (FlacEnc * flacenc, gint quality);
77 static void gst_flacenc_set_property (GObject * object, guint prop_id,
78 const GValue * value, GParamSpec * pspec);
79 static void gst_flacenc_get_property (GObject * object, guint prop_id,
80 GValue * value, GParamSpec * pspec);
81 static GstElementStateReturn gst_flacenc_change_state (GstElement * element);
83 static FLAC__StreamEncoderWriteStatus
84 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
85 const FLAC__byte buffer[], unsigned bytes,
86 unsigned samples, unsigned current_frame, void *client_data);
87 static FLAC__SeekableStreamEncoderSeekStatus
88 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
89 FLAC__uint64 absolute_byte_offset, void *client_data);
91 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 = {
120 g_type_register_static (GST_TYPE_ELEMENT, "FlacEnc", &flacenc_info, 0);
121 g_type_add_interface_static (flacenc_type, GST_TYPE_TAG_SETTER,
129 gboolean exhaustive_model_search;
130 gboolean escape_coding;
132 gboolean loose_mid_side;
133 guint qlp_coeff_precision;
134 gboolean qlp_coeff_prec_search;
135 guint min_residual_partition_order;
136 guint max_residual_partition_order;
137 guint rice_parameter_search_dist;
142 static const FlacEncParams flacenc_params[] = {
143 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
144 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
145 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
146 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
147 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
148 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
149 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
150 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
151 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
152 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
155 #define DEFAULT_QUALITY 5
157 #define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
159 gst_flacenc_quality_get_type (void)
161 static GType qtype = 0;
164 static const GEnumValue values[] = {
165 {0, "0", "0 - Fastest compression"},
170 {5, "5", "5 - Default"},
173 {8, "8", "8 - Highest compression "},
174 {9, "9", "9 - Insane"},
177 qtype = g_enum_register_static ("FlacEncQuality", values);
183 flac_caps_factory (void)
185 return gst_caps_new_simple ("audio/x-flac", NULL);
186 /* "rate", GST_PROPS_INT_RANGE (11025, 48000),
187 * "channels", GST_PROPS_INT_RANGE (1, 2), */
191 raw_caps_factory (void)
193 return gst_caps_new_simple ("audio/x-raw-int",
194 "endianness", G_TYPE_INT, G_BYTE_ORDER,
195 "signed", G_TYPE_BOOLEAN, TRUE,
196 "width", G_TYPE_INT, 16,
197 "depth", G_TYPE_INT, 16,
198 "rate", GST_TYPE_INT_RANGE, 11025, 48000,
199 "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
203 gst_flacenc_base_init (gpointer g_class)
205 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
206 GstCaps *raw_caps, *flac_caps;
208 raw_caps = raw_caps_factory ();
209 flac_caps = flac_caps_factory ();
211 sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
212 GST_PAD_ALWAYS, raw_caps);
213 src_template = gst_pad_template_new ("src", GST_PAD_SRC,
214 GST_PAD_ALWAYS, flac_caps);
215 gst_element_class_add_pad_template (element_class, sink_template);
216 gst_element_class_add_pad_template (element_class, src_template);
217 gst_element_class_set_details (element_class, &flacenc_details);
221 gst_flacenc_class_init (FlacEncClass * klass)
223 GObjectClass *gobject_class;
224 GstElementClass *gstelement_class;
226 gobject_class = (GObjectClass *) klass;
227 gstelement_class = (GstElementClass *) klass;
229 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
231 /* we have no properties atm so this is a bit silly */
232 gobject_class->set_property = gst_flacenc_set_property;
233 gobject_class->get_property = gst_flacenc_get_property;
234 gobject_class->dispose = gst_flacenc_dispose;
236 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
237 g_param_spec_enum ("quality",
239 "Speed versus compression tradeoff",
240 GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
241 g_object_class_install_property (G_OBJECT_CLASS (klass),
242 ARG_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable_subset",
244 "true to limit encoder to generating a Subset stream, else false",
245 TRUE, G_PARAM_READWRITE));
246 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
247 g_param_spec_boolean ("mid_side_stereo", "Do mid side stereo",
248 "Do mid side stereo (only for stereo input)",
249 flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
250 g_object_class_install_property (G_OBJECT_CLASS (klass),
251 ARG_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose_mid_side_stereo",
252 "Loose mid side stereo", "Loose mid side stereo",
253 flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
254 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
255 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
256 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
257 flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
258 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
259 g_param_spec_uint ("max_lpc_order", "Max LPC order",
260 "Max LPC order; 0 => use only fixed predictors", 0,
261 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
263 g_object_class_install_property (G_OBJECT_CLASS (klass),
264 ARG_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp_coeff_precision",
265 "QLP coefficients precision",
266 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
267 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
269 g_object_class_install_property (G_OBJECT_CLASS (klass),
270 ARG_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp_coeff_prec_search",
271 "Do QLP coefficients precision search",
272 "false = use qlp_coeff_precision, "
273 "true = search around qlp_coeff_precision, take best",
274 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
276 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
277 g_param_spec_boolean ("escape_coding", "Do Escape coding",
278 "search for escape codes in the entropy coding stage "
279 "for slightly better compression",
280 flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
281 g_object_class_install_property (G_OBJECT_CLASS (klass),
282 ARG_EXHAUSTIVE_MODEL_SEARCH,
283 g_param_spec_boolean ("exhaustive_model_search",
284 "Do exhaustive model search",
285 "do exhaustive search of LP coefficient quantization (expensive!)",
286 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
288 g_object_class_install_property (G_OBJECT_CLASS (klass),
289 ARG_MIN_RESIDUAL_PARTITION_ORDER,
290 g_param_spec_uint ("min_residual_partition_order",
291 "Min residual partition order",
292 "Min residual partition order (above 4 doesn't usually help much)", 0,
293 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
295 g_object_class_install_property (G_OBJECT_CLASS (klass),
296 ARG_MAX_RESIDUAL_PARTITION_ORDER,
297 g_param_spec_uint ("max_residual_partition_order",
298 "Max residual partition order",
299 "Max residual partition order (above 4 doesn't usually help much)", 0,
300 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
302 g_object_class_install_property (G_OBJECT_CLASS (klass),
303 ARG_RICE_PARAMETER_SEARCH_DIST,
304 g_param_spec_uint ("rice_parameter_search_dist",
305 "rice_parameter_search_dist",
306 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
307 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
308 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
311 gstelement_class->change_state = gst_flacenc_change_state;
315 gst_flacenc_init (FlacEnc * flacenc)
317 flacenc->sinkpad = gst_pad_new_from_template (sink_template, "sink");
318 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
319 gst_pad_set_chain_function (flacenc->sinkpad, gst_flacenc_chain);
320 gst_pad_set_link_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
322 flacenc->srcpad = gst_pad_new_from_template (src_template, "src");
323 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->srcpad);
325 GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
327 flacenc->encoder = FLAC__seekable_stream_encoder_new ();
329 flacenc->negotiated = FALSE;
330 flacenc->first = TRUE;
331 flacenc->first_buf = NULL;
332 flacenc->data = NULL;
333 gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
334 flacenc->tags = gst_tag_list_new ();
338 gst_flacenc_dispose (GObject * object)
340 FlacEnc *flacenc = GST_FLACENC (object);
342 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
344 G_OBJECT_CLASS (parent_class)->dispose (object);
347 static GstPadLinkReturn
348 gst_flacenc_sinkconnect (GstPad * pad, const GstCaps * caps)
350 GstPadLinkReturn ret;
352 GstStructure *structure;
354 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
356 structure = gst_caps_get_structure (caps, 0);
358 gst_structure_get_int (structure, "channels", &flacenc->channels);
359 gst_structure_get_int (structure, "depth", &flacenc->depth);
360 gst_structure_get_int (structure, "rate", &flacenc->sample_rate);
362 caps = gst_caps_new_simple ("audio/x-flac",
363 "channels", G_TYPE_INT, flacenc->channels,
364 "rate", G_TYPE_INT, flacenc->sample_rate, NULL);
365 ret = gst_pad_try_set_caps (flacenc->srcpad, caps);
370 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
372 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
373 flacenc->sample_rate);
374 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
377 flacenc->negotiated = TRUE;
383 gst_flacenc_update_quality (FlacEnc * flacenc, gint quality)
385 flacenc->quality = quality;
387 #define DO_UPDATE(name, val, str) \
389 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
390 flacenc_params[quality].val) { \
391 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
392 flacenc_params[quality].val); \
393 g_object_notify (G_OBJECT (flacenc), str); \
397 g_object_freeze_notify (G_OBJECT (flacenc));
399 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
400 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
401 DO_UPDATE (blocksize, blocksize, "blocksize");
402 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
403 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
404 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
405 "qlp_coeff_prec_search");
406 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
407 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
408 "exhaustive_model_search");
409 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
410 "min_residual_partition_order");
411 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
412 "max_residual_partition_order");
413 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
414 "rice_parameter_search_dist");
418 g_object_thaw_notify (G_OBJECT (flacenc));
423 static FLAC__SeekableStreamEncoderSeekStatus
424 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
425 FLAC__uint64 absolute_byte_offset, void *client_data)
430 flacenc = GST_FLACENC (client_data);
432 if (flacenc->stopped)
433 return FLAC__STREAM_ENCODER_OK;
436 gst_event_new_seek ((GstSeekType) (int) (GST_FORMAT_BYTES |
437 GST_SEEK_METHOD_SET), absolute_byte_offset);
440 gst_pad_push (flacenc->srcpad, GST_DATA (event));
442 return FLAC__STREAM_ENCODER_OK;
445 static FLAC__StreamEncoderWriteStatus
446 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
447 const FLAC__byte buffer[], unsigned bytes,
448 unsigned samples, unsigned current_frame, void *client_data)
453 flacenc = GST_FLACENC (client_data);
455 if (flacenc->stopped)
456 return FLAC__STREAM_ENCODER_OK;
458 outbuf = gst_buffer_new_and_alloc (bytes);
460 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
462 if (flacenc->first) {
463 flacenc->first_buf = outbuf;
464 gst_buffer_ref (outbuf);
465 flacenc->first = FALSE;
468 gst_pad_push (flacenc->srcpad, GST_DATA (outbuf));
470 return FLAC__STREAM_ENCODER_OK;
474 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
478 FlacEnc *flacenc = GST_FLACENC (user_data);
480 comments = gst_tag_to_vorbis_comments (list, tag);
481 for (it = comments; it != NULL; it = it->next) {
482 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
484 commment_entry.length = strlen (it->data);
485 commment_entry.entry = it->data;
486 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
487 flacenc->meta[0]->data.vorbis_comment.num_comments,
488 commment_entry, TRUE);
491 g_list_free (comments);
495 gst_flacenc_set_metadata (FlacEnc * flacenc)
497 const GstTagList *user_tags;
500 g_return_if_fail (flacenc != NULL);
501 user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (flacenc));
502 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
505 copy = gst_tag_list_merge (user_tags, flacenc->tags,
506 gst_tag_setter_get_merge_mode (GST_TAG_SETTER (flacenc)));
507 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
510 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
511 gst_tag_list_foreach (copy, add_one_tag, flacenc);
513 if (FLAC__seekable_stream_encoder_set_metadata (flacenc->encoder,
514 flacenc->meta, 1) != true)
515 g_warning ("Dude, i'm already initialized!");
516 gst_tag_list_free (copy);
521 gst_flacenc_chain (GstPad * pad, GstData * _data)
523 GstBuffer *buf = GST_BUFFER (_data);
531 g_return_if_fail (buf != NULL);
533 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
535 if (GST_IS_EVENT (buf)) {
536 GstEvent *event = GST_EVENT (buf);
538 switch (GST_EVENT_TYPE (event)) {
540 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
544 gst_tag_list_insert (flacenc->tags, gst_event_tag_get_list (event),
545 GST_TAG_MERGE_REPLACE);
547 g_assert_not_reached ();
553 gst_pad_event_default (pad, event);
557 if (!flacenc->negotiated) {
558 GST_ELEMENT_ERROR (flacenc, CORE, NEGOTIATION, (NULL),
559 ("format wasn't negotiated before chain function"));
563 depth = flacenc->depth;
565 insize = GST_BUFFER_SIZE (buf);
566 samples = insize / ((depth + 7) >> 3);
568 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) ==
569 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) {
570 FLAC__SeekableStreamEncoderState state;
572 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
573 gst_flacenc_write_callback);
574 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
575 gst_flacenc_seek_callback);
577 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder, flacenc);
579 gst_flacenc_set_metadata (flacenc);
580 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
581 if (state != FLAC__STREAM_ENCODER_OK) {
582 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
583 ("could not initialize encoder (wrong parameters?)"));
588 /* we keep a pointer in the flacenc struct because we are freeing the data
589 * after a push opreration that might never return */
590 data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
593 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
596 for (i = 0; i < samples; i++) {
597 data[i] = (FLAC__int32) * indata++;
599 } else if (depth == 16) {
600 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
602 for (i = 0; i < samples; i++) {
603 data[i] = (FLAC__int32) * indata++;
607 gst_buffer_unref (buf);
609 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
610 (const FLAC__int32 *) data, samples / flacenc->channels);
612 g_free (flacenc->data);
613 flacenc->data = NULL;
616 GST_ELEMENT_ERROR (flacenc, STREAM, ENCODE, (NULL), (NULL));
621 gst_flacenc_set_property (GObject * object, guint prop_id,
622 const GValue * value, GParamSpec * pspec)
626 this = (FlacEnc *) object;
629 gst_flacenc_update_quality (this, g_value_get_enum (value));
631 case ARG_STREAMABLE_SUBSET:
632 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
633 g_value_get_boolean (value));
635 case ARG_MID_SIDE_STEREO:
636 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
637 g_value_get_boolean (value));
639 case ARG_LOOSE_MID_SIDE_STEREO:
640 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
641 g_value_get_boolean (value));
644 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
645 g_value_get_uint (value));
647 case ARG_MAX_LPC_ORDER:
648 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
649 g_value_get_uint (value));
651 case ARG_QLP_COEFF_PRECISION:
652 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
653 g_value_get_uint (value));
655 case ARG_QLP_COEFF_PREC_SEARCH:
656 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
657 g_value_get_boolean (value));
659 case ARG_ESCAPE_CODING:
660 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
661 g_value_get_boolean (value));
663 case ARG_EXHAUSTIVE_MODEL_SEARCH:
664 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->
665 encoder, g_value_get_boolean (value));
667 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
668 FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->
669 encoder, g_value_get_uint (value));
671 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
672 FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->
673 encoder, g_value_get_uint (value));
675 case ARG_RICE_PARAMETER_SEARCH_DIST:
676 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->
677 encoder, g_value_get_uint (value));
680 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
686 gst_flacenc_get_property (GObject * object, guint prop_id,
687 GValue * value, GParamSpec * pspec)
691 this = (FlacEnc *) object;
695 g_value_set_enum (value, this->quality);
697 case ARG_STREAMABLE_SUBSET:
698 g_value_set_boolean (value,
699 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
701 case ARG_MID_SIDE_STEREO:
702 g_value_set_boolean (value,
703 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
705 case ARG_LOOSE_MID_SIDE_STEREO:
706 g_value_set_boolean (value,
707 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->
711 g_value_set_uint (value,
712 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
714 case ARG_MAX_LPC_ORDER:
715 g_value_set_uint (value,
716 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
718 case ARG_QLP_COEFF_PRECISION:
719 g_value_set_uint (value,
720 FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->
723 case ARG_QLP_COEFF_PREC_SEARCH:
724 g_value_set_boolean (value,
725 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->
728 case ARG_ESCAPE_CODING:
729 g_value_set_boolean (value,
730 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
732 case ARG_EXHAUSTIVE_MODEL_SEARCH:
733 g_value_set_boolean (value,
734 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->
737 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
738 g_value_set_uint (value,
739 FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->
742 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
743 g_value_set_uint (value,
744 FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->
747 case ARG_RICE_PARAMETER_SEARCH_DIST:
748 g_value_set_uint (value,
749 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->
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;