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 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;
143 static const FlacEncParams flacenc_params[] = {
144 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
145 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
146 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
147 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
148 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
149 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
150 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
151 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
152 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
153 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
156 #define DEFAULT_QUALITY 5
158 #define GST_TYPE_FLACENC_QUALITY (gst_flacenc_quality_get_type ())
160 gst_flacenc_quality_get_type (void)
162 static GType qtype = 0;
165 static const GEnumValue values[] = {
166 {0, "0", "0 - Fastest compression"},
171 {5, "5", "5 - Default"},
174 {8, "8", "8 - Highest compression "},
175 {9, "9", "9 - Insane"},
179 qtype = g_enum_register_static ("FlacEncQuality", values);
185 flac_caps_factory (void)
187 return gst_caps_new_simple ("audio/x-flac", NULL);
188 /* "rate", GST_PROPS_INT_RANGE (11025, 48000),
189 * "channels", GST_PROPS_INT_RANGE (1, 2), */
193 raw_caps_factory (void)
195 return gst_caps_new_simple ("audio/x-raw-int",
196 "endianness", G_TYPE_INT, G_BYTE_ORDER,
197 "signed", G_TYPE_BOOLEAN, TRUE,
198 "width", G_TYPE_INT, 16,
199 "depth", G_TYPE_INT, 16,
200 "rate", GST_TYPE_INT_RANGE, 11025, 48000,
201 "channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
205 gst_flacenc_base_init (gpointer g_class)
207 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
208 GstCaps *raw_caps, *flac_caps;
210 raw_caps = raw_caps_factory ();
211 flac_caps = flac_caps_factory ();
213 sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
214 GST_PAD_ALWAYS, raw_caps);
215 src_template = gst_pad_template_new ("src", GST_PAD_SRC,
216 GST_PAD_ALWAYS, flac_caps);
217 gst_element_class_add_pad_template (element_class, sink_template);
218 gst_element_class_add_pad_template (element_class, src_template);
219 gst_element_class_set_details (element_class, &flacenc_details);
223 gst_flacenc_class_init (FlacEncClass * klass)
225 GObjectClass *gobject_class;
226 GstElementClass *gstelement_class;
228 gobject_class = (GObjectClass *) klass;
229 gstelement_class = (GstElementClass *) klass;
231 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
233 /* we have no properties atm so this is a bit silly */
234 gobject_class->set_property = gst_flacenc_set_property;
235 gobject_class->get_property = gst_flacenc_get_property;
236 gobject_class->finalize = gst_flacenc_finalize;
238 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_QUALITY,
239 g_param_spec_enum ("quality",
241 "Speed versus compression tradeoff",
242 GST_TYPE_FLACENC_QUALITY, DEFAULT_QUALITY, G_PARAM_READWRITE));
243 g_object_class_install_property (G_OBJECT_CLASS (klass),
244 ARG_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable_subset",
246 "true to limit encoder to generating a Subset stream, else false",
247 TRUE, G_PARAM_READWRITE));
248 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MID_SIDE_STEREO,
249 g_param_spec_boolean ("mid_side_stereo", "Do mid side stereo",
250 "Do mid side stereo (only for stereo input)",
251 flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
252 g_object_class_install_property (G_OBJECT_CLASS (klass),
253 ARG_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose_mid_side_stereo",
254 "Loose mid side stereo", "Loose mid side stereo",
255 flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
256 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
257 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
258 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
259 flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
260 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MAX_LPC_ORDER,
261 g_param_spec_uint ("max_lpc_order", "Max LPC order",
262 "Max LPC order; 0 => use only fixed predictors", 0,
263 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
265 g_object_class_install_property (G_OBJECT_CLASS (klass),
266 ARG_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp_coeff_precision",
267 "QLP coefficients precision",
268 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
269 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
271 g_object_class_install_property (G_OBJECT_CLASS (klass),
272 ARG_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp_coeff_prec_search",
273 "Do QLP coefficients precision search",
274 "false = use qlp_coeff_precision, "
275 "true = search around qlp_coeff_precision, take best",
276 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
278 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ESCAPE_CODING,
279 g_param_spec_boolean ("escape_coding", "Do Escape coding",
280 "search for escape codes in the entropy coding stage "
281 "for slightly better compression",
282 flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
283 g_object_class_install_property (G_OBJECT_CLASS (klass),
284 ARG_EXHAUSTIVE_MODEL_SEARCH,
285 g_param_spec_boolean ("exhaustive_model_search",
286 "Do exhaustive model search",
287 "do exhaustive search of LP coefficient quantization (expensive!)",
288 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
290 g_object_class_install_property (G_OBJECT_CLASS (klass),
291 ARG_MIN_RESIDUAL_PARTITION_ORDER,
292 g_param_spec_uint ("min_residual_partition_order",
293 "Min residual partition order",
294 "Min residual partition order (above 4 doesn't usually help much)", 0,
295 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
297 g_object_class_install_property (G_OBJECT_CLASS (klass),
298 ARG_MAX_RESIDUAL_PARTITION_ORDER,
299 g_param_spec_uint ("max_residual_partition_order",
300 "Max residual partition order",
301 "Max residual partition order (above 4 doesn't usually help much)", 0,
302 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
304 g_object_class_install_property (G_OBJECT_CLASS (klass),
305 ARG_RICE_PARAMETER_SEARCH_DIST,
306 g_param_spec_uint ("rice_parameter_search_dist",
307 "rice_parameter_search_dist",
308 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
309 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
310 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
313 gstelement_class->change_state = gst_flacenc_change_state;
317 gst_flacenc_init (FlacEnc * flacenc)
319 flacenc->sinkpad = gst_pad_new_from_template (sink_template, "sink");
320 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
321 gst_pad_set_chain_function (flacenc->sinkpad, gst_flacenc_chain);
322 gst_pad_set_link_function (flacenc->sinkpad, gst_flacenc_sinkconnect);
324 flacenc->srcpad = gst_pad_new_from_template (src_template, "src");
325 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->srcpad);
327 GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
329 flacenc->encoder = FLAC__seekable_stream_encoder_new ();
331 flacenc->negotiated = FALSE;
333 flacenc->first = TRUE;
334 flacenc->first_buf = NULL;
335 flacenc->data = NULL;
336 gst_flacenc_update_quality (flacenc, DEFAULT_QUALITY);
337 flacenc->tags = gst_tag_list_new ();
341 gst_flacenc_finalize (GObject * object)
343 FlacEnc *flacenc = GST_FLACENC (object);
345 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
347 G_OBJECT_CLASS (parent_class)->finalize (object);
350 static GstPadLinkReturn
351 gst_flacenc_sinkconnect (GstPad * pad, const GstCaps * caps)
353 GstPadLinkReturn ret;
355 GstStructure *structure;
357 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
359 structure = gst_caps_get_structure (caps, 0);
361 gst_structure_get_int (structure, "channels", &flacenc->channels);
362 gst_structure_get_int (structure, "depth", &flacenc->depth);
363 gst_structure_get_int (structure, "rate", &flacenc->sample_rate);
365 caps = gst_caps_new_simple ("audio/x-flac",
366 "channels", G_TYPE_INT, flacenc->channels,
367 "rate", G_TYPE_INT, flacenc->sample_rate, NULL);
369 ret = gst_pad_try_set_caps (flacenc->srcpad, caps);
374 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
376 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
377 flacenc->sample_rate);
378 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
381 flacenc->negotiated = TRUE;
387 gst_flacenc_update_quality (FlacEnc * flacenc, gint quality)
389 flacenc->quality = quality;
391 #define DO_UPDATE(name, val, str) \
393 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
394 flacenc_params[quality].val) { \
395 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
396 flacenc_params[quality].val); \
397 g_object_notify (G_OBJECT (flacenc), str); \
401 g_object_freeze_notify (G_OBJECT (flacenc));
403 if (flacenc->channels == 2) {
404 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
405 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
408 DO_UPDATE (blocksize, blocksize, "blocksize");
409 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
410 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
411 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
412 "qlp_coeff_prec_search");
413 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
414 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
415 "exhaustive_model_search");
416 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
417 "min_residual_partition_order");
418 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
419 "max_residual_partition_order");
420 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
421 "rice_parameter_search_dist");
425 g_object_thaw_notify (G_OBJECT (flacenc));
430 static FLAC__SeekableStreamEncoderSeekStatus
431 gst_flacenc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
432 FLAC__uint64 absolute_byte_offset, void *client_data)
437 flacenc = GST_FLACENC (client_data);
439 if (flacenc->stopped)
440 return FLAC__STREAM_ENCODER_OK;
443 gst_event_new_seek ((GstSeekType) (int) (GST_FORMAT_BYTES |
444 GST_SEEK_METHOD_SET), absolute_byte_offset);
447 gst_pad_push (flacenc->srcpad, GST_DATA (event));
448 flacenc->offset = absolute_byte_offset;
451 return FLAC__STREAM_ENCODER_OK;
454 static FLAC__StreamEncoderWriteStatus
455 gst_flacenc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
456 const FLAC__byte buffer[], unsigned bytes,
457 unsigned samples, unsigned current_frame, void *client_data)
462 flacenc = GST_FLACENC (client_data);
464 if (flacenc->stopped)
465 return FLAC__STREAM_ENCODER_OK;
467 outbuf = gst_buffer_new_and_alloc (bytes);
469 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
471 if (flacenc->first) {
472 flacenc->first_buf = outbuf;
473 gst_buffer_ref (outbuf);
474 flacenc->first = FALSE;
477 gst_pad_push (flacenc->srcpad, GST_DATA (outbuf));
478 flacenc->offset += bytes;
480 return FLAC__STREAM_ENCODER_OK;
483 static FLAC__SeekableStreamEncoderTellStatus
484 gst_flacenc_tell_callback (const FLAC__SeekableStreamEncoder * encoder,
485 FLAC__uint64 * absolute_byte_offset, void *client_data)
487 FlacEnc *flacenc = GST_FLACENC (client_data);
489 *absolute_byte_offset = flacenc->offset;
491 return FLAC__STREAM_ENCODER_OK;
495 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
499 FlacEnc *flacenc = GST_FLACENC (user_data);
501 comments = gst_tag_to_vorbis_comments (list, tag);
502 for (it = comments; it != NULL; it = it->next) {
503 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
505 commment_entry.length = strlen (it->data);
506 commment_entry.entry = it->data;
507 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
508 flacenc->meta[0]->data.vorbis_comment.num_comments,
509 commment_entry, TRUE);
512 g_list_free (comments);
516 gst_flacenc_set_metadata (FlacEnc * flacenc)
518 const GstTagList *user_tags;
521 g_return_if_fail (flacenc != NULL);
522 user_tags = gst_tag_setter_get_list (GST_TAG_SETTER (flacenc));
523 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
526 copy = gst_tag_list_merge (user_tags, flacenc->tags,
527 gst_tag_setter_get_merge_mode (GST_TAG_SETTER (flacenc)));
528 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
531 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
532 gst_tag_list_foreach (copy, add_one_tag, flacenc);
534 if (FLAC__seekable_stream_encoder_set_metadata (flacenc->encoder,
535 flacenc->meta, 1) != true)
536 g_warning ("Dude, i'm already initialized!");
537 gst_tag_list_free (copy);
542 gst_flacenc_chain (GstPad * pad, GstData * _data)
544 GstBuffer *buf = GST_BUFFER (_data);
552 g_return_if_fail (buf != NULL);
554 flacenc = GST_FLACENC (gst_pad_get_parent (pad));
556 if (GST_IS_EVENT (buf)) {
557 GstEvent *event = GST_EVENT (buf);
559 switch (GST_EVENT_TYPE (event)) {
561 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
565 gst_tag_list_insert (flacenc->tags, gst_event_tag_get_list (event),
566 GST_TAG_MERGE_REPLACE);
568 g_assert_not_reached ();
574 gst_pad_event_default (pad, event);
578 if (!flacenc->negotiated) {
579 GST_ELEMENT_ERROR (flacenc, CORE, NEGOTIATION, (NULL),
580 ("format wasn't negotiated before chain function"));
584 depth = flacenc->depth;
586 insize = GST_BUFFER_SIZE (buf);
587 samples = insize / ((depth + 7) >> 3);
589 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) ==
590 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED) {
591 FLAC__SeekableStreamEncoderState state;
593 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
594 gst_flacenc_write_callback);
595 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
596 gst_flacenc_seek_callback);
597 FLAC__seekable_stream_encoder_set_tell_callback (flacenc->encoder,
598 gst_flacenc_tell_callback);
600 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder, flacenc);
602 gst_flacenc_set_metadata (flacenc);
603 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
604 if (state != FLAC__STREAM_ENCODER_OK) {
605 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
606 ("could not initialize encoder (wrong parameters?)"));
611 /* we keep a pointer in the flacenc struct because we are freeing the data
612 * after a push opreration that might never return */
613 data = flacenc->data = g_malloc (samples * sizeof (FLAC__int32));
616 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buf);
619 for (i = 0; i < samples; i++) {
620 data[i] = (FLAC__int32) * indata++;
622 } else if (depth == 16) {
623 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buf);
625 for (i = 0; i < samples; i++) {
626 data[i] = (FLAC__int32) * indata++;
630 gst_buffer_unref (buf);
632 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
633 (const FLAC__int32 *) data, samples / flacenc->channels);
635 g_free (flacenc->data);
636 flacenc->data = NULL;
639 GST_ELEMENT_ERROR (flacenc, STREAM, ENCODE, (NULL), (NULL));
644 gst_flacenc_set_property (GObject * object, guint prop_id,
645 const GValue * value, GParamSpec * pspec)
649 this = (FlacEnc *) object;
652 gst_flacenc_update_quality (this, g_value_get_enum (value));
654 case ARG_STREAMABLE_SUBSET:
655 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
656 g_value_get_boolean (value));
658 case ARG_MID_SIDE_STEREO:
659 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
660 g_value_get_boolean (value));
662 case ARG_LOOSE_MID_SIDE_STEREO:
663 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
664 g_value_get_boolean (value));
667 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
668 g_value_get_uint (value));
670 case ARG_MAX_LPC_ORDER:
671 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
672 g_value_get_uint (value));
674 case ARG_QLP_COEFF_PRECISION:
675 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
676 g_value_get_uint (value));
678 case ARG_QLP_COEFF_PREC_SEARCH:
679 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
680 g_value_get_boolean (value));
682 case ARG_ESCAPE_CODING:
683 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
684 g_value_get_boolean (value));
686 case ARG_EXHAUSTIVE_MODEL_SEARCH:
687 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search (this->
688 encoder, g_value_get_boolean (value));
690 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
691 FLAC__seekable_stream_encoder_set_min_residual_partition_order (this->
692 encoder, g_value_get_uint (value));
694 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
695 FLAC__seekable_stream_encoder_set_max_residual_partition_order (this->
696 encoder, g_value_get_uint (value));
698 case ARG_RICE_PARAMETER_SEARCH_DIST:
699 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist (this->
700 encoder, g_value_get_uint (value));
703 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
709 gst_flacenc_get_property (GObject * object, guint prop_id,
710 GValue * value, GParamSpec * pspec)
714 this = (FlacEnc *) object;
718 g_value_set_enum (value, this->quality);
720 case ARG_STREAMABLE_SUBSET:
721 g_value_set_boolean (value,
722 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
724 case ARG_MID_SIDE_STEREO:
725 g_value_set_boolean (value,
726 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
728 case ARG_LOOSE_MID_SIDE_STEREO:
729 g_value_set_boolean (value,
730 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo (this->
734 g_value_set_uint (value,
735 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
737 case ARG_MAX_LPC_ORDER:
738 g_value_set_uint (value,
739 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
741 case ARG_QLP_COEFF_PRECISION:
742 g_value_set_uint (value,
743 FLAC__seekable_stream_encoder_get_qlp_coeff_precision (this->
746 case ARG_QLP_COEFF_PREC_SEARCH:
747 g_value_set_boolean (value,
748 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search (this->
751 case ARG_ESCAPE_CODING:
752 g_value_set_boolean (value,
753 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
755 case ARG_EXHAUSTIVE_MODEL_SEARCH:
756 g_value_set_boolean (value,
757 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search (this->
760 case ARG_MIN_RESIDUAL_PARTITION_ORDER:
761 g_value_set_uint (value,
762 FLAC__seekable_stream_encoder_get_min_residual_partition_order (this->
765 case ARG_MAX_RESIDUAL_PARTITION_ORDER:
766 g_value_set_uint (value,
767 FLAC__seekable_stream_encoder_get_max_residual_partition_order (this->
770 case ARG_RICE_PARAMETER_SEARCH_DIST:
771 g_value_set_uint (value,
772 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist (this->
776 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
781 static GstElementStateReturn
782 gst_flacenc_change_state (GstElement * element)
784 FlacEnc *flacenc = GST_FLACENC (element);
786 switch (GST_STATE_TRANSITION (element)) {
787 case GST_STATE_NULL_TO_READY:
788 case GST_STATE_READY_TO_PAUSED:
789 flacenc->first = TRUE;
790 flacenc->stopped = FALSE;
792 case GST_STATE_PAUSED_TO_PLAYING:
793 case GST_STATE_PLAYING_TO_PAUSED:
795 case GST_STATE_PAUSED_TO_READY:
796 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
797 FLAC__STREAM_ENCODER_UNINITIALIZED) {
798 flacenc->stopped = TRUE;
799 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
801 flacenc->negotiated = FALSE;
803 if (flacenc->first_buf)
804 gst_buffer_unref (flacenc->first_buf);
805 flacenc->first_buf = NULL;
806 g_free (flacenc->data);
807 flacenc->data = NULL;
809 FLAC__metadata_object_delete (flacenc->meta[0]);
810 g_free (flacenc->meta);
811 flacenc->meta = NULL;
814 case GST_STATE_READY_TO_NULL:
819 if (GST_ELEMENT_CLASS (parent_class)->change_state)
820 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
822 return GST_STATE_SUCCESS;