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_finalize (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 GstStateChangeReturn gst_flacenc_change_state (GstElement * element,
82 GstStateChange transition);
84 static FLAC__StreamEncoderWriteStatus
85 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
86 const FLAC__byte buffer[], unsigned bytes,
87 unsigned samples, unsigned current_frame, void *client_data);
88 static FLAC__SeekableStreamEncoderSeekStatus
89 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
90 FLAC__uint64 absolute_byte_offset, void *client_data);
92 static GstElementClass *parent_class = NULL;
94 /*static guint gst_flacenc_signals[LAST_SIGNAL] = { 0 }; */
97 flacenc_get_type (void)
99 static GType flacenc_type = 0;
102 static const GTypeInfo flacenc_info = {
103 sizeof (FlacEncClass),
104 gst_flacenc_base_init,
106 (GClassInitFunc) gst_flacenc_class_init,
111 (GInstanceInitFunc) gst_flacenc_init,
114 static const GInterfaceInfo tag_setter_info = {
121 g_type_register_static (GST_TYPE_ELEMENT, "FlacEnc", &flacenc_info, 0);
122 g_type_add_interface_static (flacenc_type, GST_TYPE_TAG_SETTER,
130 gboolean exhaustive_model_search;
131 gboolean escape_coding;
133 gboolean loose_mid_side;
134 guint qlp_coeff_precision;
135 gboolean qlp_coeff_prec_search;
136 guint min_residual_partition_order;
137 guint max_residual_partition_order;
138 guint rice_parameter_search_dist;
144 static const FlacEncParams flacenc_params[] = {
145 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
146 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
147 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
148 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
149 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
150 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
151 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
152 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
153 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
154 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
157 #define DEFAULT_QUALITY 5
159 #define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
161 gst_flacenc_quality_get_type (void)
163 static GType qtype = 0;
166 static const GEnumValue values[] = {
167 {0, "0", "0 - Fastest compression"},
172 {5, "5", "5 - Default"},
175 {8, "8", "8 - Highest compression "},
176 {9, "9", "9 - Insane"},
180 qtype = g_enum_register_static ("FlacEncQuality", values);
186 flac_caps_factory (void)
188 return gst_caps_new_simple ("audio/x-flac", NULL);
189 /* "rate", GST_PROPS_INT_RANGE (11025, 48000),
190 * "channels", GST_PROPS_INT_RANGE (1, 2), */
194 raw_caps_factory (void)
196 return gst_caps_new_simple ("audio/x-raw-int",
197 "endianness", G_TYPE_INT, G_BYTE_ORDER,
198 "signed", G_TYPE_BOOLEAN, TRUE,
199 "width", G_TYPE_INT, 16,
200 "depth", G_TYPE_INT, 16,
201 "rate", GST_TYPE_INT_RANGE, 11025, 48000,
202 "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
206 gst_flacenc_base_init (gpointer g_class)
208 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
209 GstCaps *raw_caps, *flac_caps;
211 raw_caps = raw_caps_factory ();
212 flac_caps = flac_caps_factory ();
214 sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
215 GST_PAD_ALWAYS, raw_caps);
216 src_template = gst_pad_template_new ("src", GST_PAD_SRC,
217 GST_PAD_ALWAYS, flac_caps);
218 gst_element_class_add_pad_template (element_class, sink_template);
219 gst_element_class_add_pad_template (element_class, src_template);
220 gst_element_class_set_details (element_class, &flacenc_details);
224 gst_flacenc_class_init (FlacEncClass * klass)
226 GObjectClass *gobject_class;
227 GstElementClass *gstelement_class;
229 gobject_class = (GObjectClass *) klass;
230 gstelement_class = (GstElementClass *) klass;
232 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
234 /* we have no properties atm so this is a bit silly */
235 gobject_class->set_property = gst_flacenc_set_property;
236 gobject_class->get_property = gst_flacenc_get_property;
237 gobject_class->finalize = gst_flacenc_finalize;
239 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
240 g_param_spec_enum ("quality",
242 "Speed versus compression tradeoff",
243 GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
244 g_object_class_install_property (G_OBJECT_CLASS (klass),
245 ARG_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable_subset",
247 "true to limit encoder to generating a Subset stream, else false",
248 TRUE, G_PARAM_READWRITE));
249 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
250 g_param_spec_boolean ("mid_side_stereo", "Do mid side stereo",
251 "Do mid side stereo (only for stereo input)",
252 flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
253 g_object_class_install_property (G_OBJECT_CLASS (klass),
254 ARG_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose_mid_side_stereo",
255 "Loose mid side stereo", "Loose mid side stereo",
256 flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
257 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
258 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
259 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
260 flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
261 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
262 g_param_spec_uint ("max_lpc_order", "Max LPC order",
263 "Max LPC order; 0 => use only fixed predictors", 0,
264 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
266 g_object_class_install_property (G_OBJECT_CLASS (klass),
267 ARG_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp_coeff_precision",
268 "QLP coefficients precision",
269 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
270 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
272 g_object_class_install_property (G_OBJECT_CLASS (klass),
273 ARG_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp_coeff_prec_search",
274 "Do QLP coefficients precision search",
275 "false = use qlp_coeff_precision, "
276 "true = search around qlp_coeff_precision, take best",
277 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
279 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
280 g_param_spec_boolean ("escape_coding", "Do Escape coding",
281 "search for escape codes in the entropy coding stage "
282 "for slightly better compression",
283 flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
284 g_object_class_install_property (G_OBJECT_CLASS (klass),
285 ARG_EXHAUSTIVE_MODEL_SEARCH,
286 g_param_spec_boolean ("exhaustive_model_search",
287 "Do exhaustive model search",
288 "do exhaustive search of LP coefficient quantization (expensive!)",
289 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
291 g_object_class_install_property (G_OBJECT_CLASS (klass),
292 ARG_MIN_RESIDUAL_PARTITION_ORDER,
293 g_param_spec_uint ("min_residual_partition_order",
294 "Min residual partition order",
295 "Min residual partition order (above 4 doesn't usually help much)", 0,
296 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
298 g_object_class_install_property (G_OBJECT_CLASS (klass),
299 ARG_MAX_RESIDUAL_PARTITION_ORDER,
300 g_param_spec_uint ("max_residual_partition_order",
301 "Max residual partition order",
302 "Max residual partition order (above 4 doesn't usually help much)", 0,
303 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
305 g_object_class_install_property (G_OBJECT_CLASS (klass),
306 ARG_RICE_PARAMETER_SEARCH_DIST,
307 g_param_spec_uint ("rice_parameter_search_dist",
308 "rice_parameter_search_dist",
309 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
310 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
311 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
314 gstelement_class->change_state = gst_flacenc_change_state;
318 gst_flacenc_init (FlacEnc * flacenc)
320 flacenc->sinkpad = gst_pad_new_from_template (sink_template, "sink");
321 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
322 gst_pad_set_chain_function (flacenc->sinkpad, gst_flacenc_chain);
323 gst_pad_set_link_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
325 flacenc->srcpad = gst_pad_new_from_template (src_template, "src");
326 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->srcpad);
328 GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
330 flacenc->encoder = FLAC__seekable_stream_encoder_new ();
332 flacenc->negotiated = FALSE;
334 flacenc->first = TRUE;
335 flacenc->first_buf = NULL;
336 flacenc->data = NULL;
337 gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
338 flacenc->tags = gst_tag_list_new ();
342 gst_flacenc_finalize (GObject * object)
344 FlacEnc *flacenc = GST_FLACENC (object);
346 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
348 G_OBJECT_CLASS (parent_class)->finalize (object);
351 static GstPadLinkReturn
352 gst_flacenc_sinkconnect (GstPad * pad, const GstCaps * caps)
354 GstPadLinkReturn ret;
356 GstStructure *structure;
358 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
360 structure = gst_caps_get_structure (caps, 0);
362 gst_structure_get_int (structure, "channels", &flacenc->channels);
363 gst_structure_get_int (structure, "depth", &flacenc->depth);
364 gst_structure_get_int (structure, "rate", &flacenc->sample_rate);
366 caps = gst_caps_new_simple ("audio/x-flac",
367 "channels", G_TYPE_INT, flacenc->channels,
368 "rate", G_TYPE_INT, flacenc->sample_rate, NULL);
370 ret = gst_pad_try_set_caps (flacenc->srcpad, caps);
375 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
377 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
378 flacenc->sample_rate);
379 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
382 flacenc->negotiated = TRUE;
388 gst_flacenc_update_quality (FlacEnc * flacenc, gint quality)
390 flacenc->quality = quality;
392 #define DO_UPDATE(name, val, str) \
394 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
395 flacenc_params[quality].val) { \
396 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
397 flacenc_params[quality].val); \
398 g_object_notify (G_OBJECT (flacenc), str); \
402 g_object_freeze_notify (G_OBJECT (flacenc));
404 if (flacenc->channels == 2) {
405 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
406 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
409 DO_UPDATE (blocksize, blocksize, "blocksize");
410 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
411 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
412 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
413 "qlp_coeff_prec_search");
414 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
415 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
416 "exhaustive_model_search");
417 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
418 "min_residual_partition_order");
419 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
420 "max_residual_partition_order");
421 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
422 "rice_parameter_search_dist");
426 g_object_thaw_notify (G_OBJECT (flacenc));
431 static FLAC__SeekableStreamEncoderSeekStatus
432 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
433 FLAC__uint64 absolute_byte_offset, void *client_data)
438 flacenc = GST_FLACENC (client_data);
440 if (flacenc->stopped)
441 return FLAC__STREAM_ENCODER_OK;
444 gst_event_new_seek ((GstSeekType) (int) (GST_FORMAT_BYTES |
445 GST_SEEK_METHOD_SET), absolute_byte_offset);
448 gst_pad_push (flacenc->srcpad, GST_DATA (event));
449 flacenc->offset = absolute_byte_offset;
452 return FLAC__STREAM_ENCODER_OK;
455 static FLAC__StreamEncoderWriteStatus
456 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
457 const FLAC__byte buffer[], unsigned bytes,
458 unsigned samples, unsigned current_frame, void *client_data)
463 flacenc = GST_FLACENC (client_data);
465 if (flacenc->stopped)
466 return FLAC__STREAM_ENCODER_OK;
468 outbuf = gst_buffer_new_and_alloc (bytes);
470 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
472 if (flacenc->first) {
473 flacenc->first_buf = outbuf;
474 gst_buffer_ref (outbuf);
475 flacenc->first = FALSE;
478 gst_pad_push (flacenc->srcpad, GST_DATA (outbuf));
479 flacenc->offset += bytes;
481 return FLAC__STREAM_ENCODER_OK;
484 static FLAC__SeekableStreamEncoderTellStatus
485 gst_flacenc_tell_callback (const FLAC__SeekableStreamEncoder * encoder,
486 FLAC__uint64 * absolute_byte_offset, void *client_data)
488 FlacEnc *flacenc = GST_FLACENC (client_data);
490 *absolute_byte_offset = flacenc->offset;
492 return FLAC__STREAM_ENCODER_OK;
496 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
500 FlacEnc *flacenc = GST_FLACENC (user_data);
502 comments = gst_tag_to_vorbis_comments (list, tag);
503 for (it = comments; it != NULL; it = it->next) {
504 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
506 commment_entry.length = strlen (it->data);
507 commment_entry.entry = it->data;
508 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
509 flacenc->meta[0]->data.vorbis_comment.num_comments,
510 commment_entry, TRUE);
513 g_list_free (comments);
517 gst_flacenc_set_metadata (FlacEnc * flacenc)
519 const GstTagList *user_tags;
522 g_return_if_fail (flacenc != NULL);
523 user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (flacenc));
524 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
527 copy = gst_tag_list_merge (user_tags, flacenc->tags,
528 gst_tag_setter_get_merge_mode (GST_TAG_SETTER (flacenc)));
529 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
532 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
533 gst_tag_list_foreach (copy, add_one_tag, flacenc);
535 if (FLAC__seekable_stream_encoder_set_metadata (flacenc->encoder,
536 flacenc->meta, 1) != true)
537 g_warning ("Dude, i'm already initialized!");
538 gst_tag_list_free (copy);
543 gst_flacenc_chain (GstPad * pad, GstData * _data)
545 GstBuffer *buf = GST_BUFFER (_data);
553 g_return_if_fail (buf != NULL);
555 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
557 if (GST_IS_EVENT (buf)) {
558 GstEvent *event = GST_EVENT (buf);
560 switch (GST_EVENT_TYPE (event)) {
562 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
566 gst_tag_list_insert (flacenc->tags, gst_event_tag_get_list (event),
567 GST_TAG_MERGE_REPLACE);
569 g_assert_not_reached ();
575 gst_pad_event_default (pad, event);
579 if (!flacenc->negotiated) {
580 GST_ELEMENT_ERROR (flacenc, CORE, NEGOTIATION, (NULL),
581 ("format wasn't negotiated before chain function"));
585 depth = flacenc->depth;
587 insize = GST_BUFFER_SIZE (buf);
588 samples = insize / ((depth + 7) >> 3);
590 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) ==
591 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) {
592 FLAC__SeekableStreamEncoderState state;
594 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
595 gst_flacenc_write_callback);
596 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
597 gst_flacenc_seek_callback);
598 FLAC__seekable_stream_encoder_set_tell_callback (flacenc->encoder,
599 gst_flacenc_tell_callback);
601 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder, flacenc);
603 gst_flacenc_set_metadata (flacenc);
604 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
605 if (state != FLAC__STREAM_ENCODER_OK) {
606 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
607 ("could not initialize encoder (wrong parameters?)"));
612 /* we keep a pointer in the flacenc struct because we are freeing the data
613 * after a push opreration that might never return */
614 data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
617 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
620 for (i = 0; i < samples; i++) {
621 data[i] = (FLAC__int32) * indata++;
623 } else if (depth == 16) {
624 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
626 for (i = 0; i < samples; i++) {
627 data[i] = (FLAC__int32) * indata++;
631 gst_buffer_unref (buf);
633 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
634 (const FLAC__int32 *) data, samples / flacenc->channels);
636 g_free (flacenc->data);
637 flacenc->data = NULL;
640 GST_ELEMENT_ERROR (flacenc, STREAM, ENCODE, (NULL), (NULL));
645 gst_flacenc_set_property (GObject * object, guint prop_id,
646 const GValue * value, GParamSpec * pspec)
650 this = (FlacEnc *) object;
653 gst_flacenc_update_quality (this, g_value_get_enum (value));
655 case ARG_STREAMABLE_SUBSET:
656 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
657 g_value_get_boolean (value));
659 case ARG_MID_SIDE_STEREO:
660 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
661 g_value_get_boolean (value));
663 case ARG_LOOSE_MID_SIDE_STEREO:
664 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
665 g_value_get_boolean (value));
668 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
669 g_value_get_uint (value));
671 case ARG_MAX_LPC_ORDER:
672 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
673 g_value_get_uint (value));
675 case ARG_QLP_COEFF_PRECISION:
676 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
677 g_value_get_uint (value));
679 case ARG_QLP_COEFF_PREC_SEARCH:
680 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
681 g_value_get_boolean (value));
683 case ARG_ESCAPE_CODING:
684 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
685 g_value_get_boolean (value));
687 case ARG_EXHAUSTIVE_MODEL_SEARCH:
688 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->
689 encoder, g_value_get_boolean (value));
691 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
692 FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->
693 encoder, g_value_get_uint (value));
695 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
696 FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->
697 encoder, g_value_get_uint (value));
699 case ARG_RICE_PARAMETER_SEARCH_DIST:
700 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->
701 encoder, g_value_get_uint (value));
704 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
710 gst_flacenc_get_property (GObject * object, guint prop_id,
711 GValue * value, GParamSpec * pspec)
715 this = (FlacEnc *) object;
719 g_value_set_enum (value, this->quality);
721 case ARG_STREAMABLE_SUBSET:
722 g_value_set_boolean (value,
723 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
725 case ARG_MID_SIDE_STEREO:
726 g_value_set_boolean (value,
727 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
729 case ARG_LOOSE_MID_SIDE_STEREO:
730 g_value_set_boolean (value,
731 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->
735 g_value_set_uint (value,
736 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
738 case ARG_MAX_LPC_ORDER:
739 g_value_set_uint (value,
740 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
742 case ARG_QLP_COEFF_PRECISION:
743 g_value_set_uint (value,
744 FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->
747 case ARG_QLP_COEFF_PREC_SEARCH:
748 g_value_set_boolean (value,
749 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->
752 case ARG_ESCAPE_CODING:
753 g_value_set_boolean (value,
754 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
756 case ARG_EXHAUSTIVE_MODEL_SEARCH:
757 g_value_set_boolean (value,
758 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->
761 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
762 g_value_set_uint (value,
763 FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->
766 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
767 g_value_set_uint (value,
768 FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->
771 case ARG_RICE_PARAMETER_SEARCH_DIST:
772 g_value_set_uint (value,
773 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->
777 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
782 static GstStateChangeReturn
783 gst_flacenc_change_state (GstElement * element, GstStateChange transition)
785 FlacEnc *flacenc = GST_FLACENC (element);
787 switch (transition) {
788 case GST_STATE_CHANGE_NULL_TO_READY:
789 case GST_STATE_CHANGE_READY_TO_PAUSED:
790 flacenc->first = TRUE;
791 flacenc->stopped = FALSE;
793 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
794 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
796 case GST_STATE_CHANGE_PAUSED_TO_READY:
797 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
798 FLAC__STREAM_ENCODER_UNINITIALIZED) {
799 flacenc->stopped = TRUE;
800 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
802 flacenc->negotiated = FALSE;
804 if (flacenc->first_buf)
805 gst_buffer_unref (flacenc->first_buf);
806 flacenc->first_buf = NULL;
807 g_free (flacenc->data);
808 flacenc->data = NULL;
810 FLAC__metadata_object_delete (flacenc->meta[0]);
811 g_free (flacenc->meta);
812 flacenc->meta = NULL;
815 case GST_STATE_CHANGE_READY_TO_NULL:
820 if (GST_ELEMENT_CLASS (parent_class)->change_state)
821 return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
823 return GST_STATE_CHANGE_SUCCESS;