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.
20 /* TODO: - We currently don't handle discontinuities in the stream in a useful
21 * way and instead rely on the developer plugging in audiorate if
22 * the stream contains discontinuities.
31 #include <gstflacenc.h>
32 #include <gst/audio/audio.h>
33 #include <gst/audio/multichannel.h>
34 #include <gst/tag/tag.h>
35 #include <gst/gsttagsetter.h>
37 /* Taken from http://flac.sourceforge.net/format.html#frame_header */
38 static const GstAudioChannelPosition channel_positions[8][8] = {
39 {GST_AUDIO_CHANNEL_POSITION_FRONT_MONO},
40 {GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
41 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
42 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
43 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
44 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
45 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
46 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
47 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
48 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
49 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
50 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
51 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
52 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
53 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
54 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
55 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
56 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
57 GST_AUDIO_CHANNEL_POSITION_LFE,
58 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
59 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
60 /* FIXME: 7/8 channel layouts are not defined in the FLAC specs */
62 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
63 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
64 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
65 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
66 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
67 GST_AUDIO_CHANNEL_POSITION_LFE,
68 GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
69 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
70 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
71 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
72 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
73 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
74 GST_AUDIO_CHANNEL_POSITION_LFE,
75 GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
76 GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
79 #define FLAC_SINK_CAPS \
81 "endianness = (int) BYTE_ORDER, " \
82 "signed = (boolean) TRUE, " \
85 "rate = (int) [ 1, 655350 ], " \
86 "channels = (int) [ 1, 8 ]; " \
88 "endianness = (int) BYTE_ORDER, " \
89 "signed = (boolean) TRUE, " \
90 "width = (int) 16, " \
91 "depth = (int) { 12, 16 }, " \
92 "rate = (int) [ 1, 655350 ], " \
93 "channels = (int) [ 1, 8 ]; " \
95 "endianness = (int) BYTE_ORDER, " \
96 "signed = (boolean) TRUE, " \
97 "width = (int) 32, " \
98 "depth = (int) { 20, 24 }, " \
99 "rate = (int) [ 1, 655350 ], " \
100 "channels = (int) [ 1, 8 ]"
102 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
105 GST_STATIC_CAPS ("audio/x-flac")
108 static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
111 GST_STATIC_CAPS (FLAC_SINK_CAPS)
118 PROP_STREAMABLE_SUBSET,
119 PROP_MID_SIDE_STEREO,
120 PROP_LOOSE_MID_SIDE_STEREO,
123 PROP_QLP_COEFF_PRECISION,
124 PROP_QLP_COEFF_PREC_SEARCH,
126 PROP_EXHAUSTIVE_MODEL_SEARCH,
127 PROP_MIN_RESIDUAL_PARTITION_ORDER,
128 PROP_MAX_RESIDUAL_PARTITION_ORDER,
129 PROP_RICE_PARAMETER_SEARCH_DIST
132 GST_DEBUG_CATEGORY_STATIC (flacenc_debug);
133 #define GST_CAT_DEFAULT flacenc_debug
136 #define _do_init(type) \
138 static const GInterfaceInfo tag_setter_info = { \
143 g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, \
147 GST_BOILERPLATE_FULL (GstFlacEnc, gst_flac_enc, GstElement, GST_TYPE_ELEMENT,
150 static void gst_flac_enc_finalize (GObject * object);
152 static gboolean gst_flac_enc_sink_setcaps (GstPad * pad, GstCaps * caps);
153 static GstCaps *gst_flac_enc_sink_getcaps (GstPad * pad);
154 static gboolean gst_flac_enc_sink_event (GstPad * pad, GstEvent * event);
155 static GstFlowReturn gst_flac_enc_chain (GstPad * pad, GstBuffer * buffer);
157 static gboolean gst_flac_enc_update_quality (GstFlacEnc * flacenc,
159 static void gst_flac_enc_set_property (GObject * object, guint prop_id,
160 const GValue * value, GParamSpec * pspec);
161 static void gst_flac_enc_get_property (GObject * object, guint prop_id,
162 GValue * value, GParamSpec * pspec);
163 static GstStateChangeReturn gst_flac_enc_change_state (GstElement * element,
164 GstStateChange transition);
167 static FLAC__StreamEncoderWriteStatus
168 gst_flac_enc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
169 const FLAC__byte buffer[], unsigned bytes,
170 unsigned samples, unsigned current_frame, void *client_data);
171 static FLAC__SeekableStreamEncoderSeekStatus
172 gst_flac_enc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
173 FLAC__uint64 absolute_byte_offset, void *client_data);
174 static FLAC__SeekableStreamEncoderTellStatus
175 gst_flac_enc_tell_callback (const FLAC__SeekableStreamEncoder * encoder,
176 FLAC__uint64 * absolute_byte_offset, void *client_data);
178 static FLAC__StreamEncoderWriteStatus
179 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
180 const FLAC__byte buffer[], size_t bytes,
181 unsigned samples, unsigned current_frame, void *client_data);
182 static FLAC__StreamEncoderSeekStatus
183 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
184 FLAC__uint64 absolute_byte_offset, void *client_data);
185 static FLAC__StreamEncoderTellStatus
186 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
187 FLAC__uint64 * absolute_byte_offset, void *client_data);
192 gboolean exhaustive_model_search;
193 gboolean escape_coding;
195 gboolean loose_mid_side;
196 guint qlp_coeff_precision;
197 gboolean qlp_coeff_prec_search;
198 guint min_residual_partition_order;
199 guint max_residual_partition_order;
200 guint rice_parameter_search_dist;
206 static const GstFlacEncParams flacenc_params[] = {
207 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
208 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
209 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
210 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
211 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
212 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
213 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
214 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
215 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
216 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
219 #define DEFAULT_QUALITY 5
221 #define GST_TYPE_FLAC_ENC_QUALITY (gst_flac_enc_quality_get_type ())
223 gst_flac_enc_quality_get_type (void)
225 static GType qtype = 0;
228 static const GEnumValue values[] = {
229 {0, "0 - Fastest compression", "0"},
234 {5, "5 - Default", "5"},
237 {8, "8 - Highest compression", "8"},
238 {9, "9 - Insane", "9"},
242 qtype = g_enum_register_static ("GstFlacEncQuality", values);
248 gst_flac_enc_base_init (gpointer g_class)
250 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
252 gst_element_class_add_pad_template (element_class,
253 gst_static_pad_template_get (&src_factory));
254 gst_element_class_add_pad_template (element_class,
255 gst_static_pad_template_get (&sink_factory));
257 gst_element_class_set_details_simple (element_class, "FLAC audio encoder",
258 "Codec/Encoder/Audio",
259 "Encodes audio with the FLAC lossless audio encoder",
260 "Wim Taymans <wim.taymans@chello.be>");
262 GST_DEBUG_CATEGORY_INIT (flacenc_debug, "flacenc", 0,
263 "Flac encoding element");
267 gst_flac_enc_class_init (GstFlacEncClass * klass)
269 GObjectClass *gobject_class;
270 GstElementClass *gstelement_class;
272 gobject_class = (GObjectClass *) klass;
273 gstelement_class = (GstElementClass *) klass;
275 gobject_class->set_property = gst_flac_enc_set_property;
276 gobject_class->get_property = gst_flac_enc_get_property;
277 gobject_class->finalize = gst_flac_enc_finalize;
279 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
280 g_param_spec_enum ("quality",
282 "Speed versus compression tradeoff",
283 GST_TYPE_FLAC_ENC_QUALITY, DEFAULT_QUALITY,
284 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
285 g_object_class_install_property (G_OBJECT_CLASS (klass),
286 PROP_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable_subset",
288 "true to limit encoder to generating a Subset stream, else false",
289 TRUE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
290 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MID_SIDE_STEREO,
291 g_param_spec_boolean ("mid_side_stereo", "Do mid side stereo",
292 "Do mid side stereo (only for stereo input)",
293 flacenc_params[DEFAULT_QUALITY].mid_side,
294 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
295 g_object_class_install_property (G_OBJECT_CLASS (klass),
296 PROP_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose_mid_side_stereo",
297 "Loose mid side stereo", "Loose mid side stereo",
298 flacenc_params[DEFAULT_QUALITY].loose_mid_side,
299 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
300 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
301 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
302 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
303 flacenc_params[DEFAULT_QUALITY].blocksize,
304 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
305 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_LPC_ORDER,
306 g_param_spec_uint ("max_lpc_order", "Max LPC order",
307 "Max LPC order; 0 => use only fixed predictors", 0,
308 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
309 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
310 g_object_class_install_property (G_OBJECT_CLASS (klass),
311 PROP_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp_coeff_precision",
312 "QLP coefficients precision",
313 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
314 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
315 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
316 g_object_class_install_property (G_OBJECT_CLASS (klass),
317 PROP_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp_coeff_prec_search",
318 "Do QLP coefficients precision search",
319 "false = use qlp_coeff_precision, "
320 "true = search around qlp_coeff_precision, take best",
321 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
322 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
323 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ESCAPE_CODING,
324 g_param_spec_boolean ("escape_coding", "Do Escape coding",
325 "search for escape codes in the entropy coding stage "
326 "for slightly better compression",
327 flacenc_params[DEFAULT_QUALITY].escape_coding,
328 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
329 g_object_class_install_property (G_OBJECT_CLASS (klass),
330 PROP_EXHAUSTIVE_MODEL_SEARCH,
331 g_param_spec_boolean ("exhaustive_model_search",
332 "Do exhaustive model search",
333 "do exhaustive search of LP coefficient quantization (expensive!)",
334 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
335 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
336 g_object_class_install_property (G_OBJECT_CLASS (klass),
337 PROP_MIN_RESIDUAL_PARTITION_ORDER,
338 g_param_spec_uint ("min_residual_partition_order",
339 "Min residual partition order",
340 "Min residual partition order (above 4 doesn't usually help much)", 0,
341 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
342 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
343 g_object_class_install_property (G_OBJECT_CLASS (klass),
344 PROP_MAX_RESIDUAL_PARTITION_ORDER,
345 g_param_spec_uint ("max_residual_partition_order",
346 "Max residual partition order",
347 "Max residual partition order (above 4 doesn't usually help much)", 0,
348 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
349 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
350 g_object_class_install_property (G_OBJECT_CLASS (klass),
351 PROP_RICE_PARAMETER_SEARCH_DIST,
352 g_param_spec_uint ("rice_parameter_search_dist",
353 "rice_parameter_search_dist",
354 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
355 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
356 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
357 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
359 gstelement_class->change_state = gst_flac_enc_change_state;
363 gst_flac_enc_init (GstFlacEnc * flacenc, GstFlacEncClass * klass)
365 flacenc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
366 gst_pad_set_chain_function (flacenc->sinkpad,
367 GST_DEBUG_FUNCPTR (gst_flac_enc_chain));
368 gst_pad_set_event_function (flacenc->sinkpad,
369 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_event));
370 gst_pad_set_getcaps_function (flacenc->sinkpad,
371 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_getcaps));
372 gst_pad_set_setcaps_function (flacenc->sinkpad,
373 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_setcaps));
374 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
376 flacenc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
377 gst_pad_use_fixed_caps (flacenc->srcpad);
378 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->srcpad);
381 flacenc->encoder = FLAC__seekable_stream_encoder_new ();
383 flacenc->encoder = FLAC__stream_encoder_new ();
387 flacenc->samples_written = 0;
388 flacenc->channels = 0;
389 gst_flac_enc_update_quality (flacenc, DEFAULT_QUALITY);
390 flacenc->tags = gst_tag_list_new ();
391 flacenc->got_headers = FALSE;
392 flacenc->headers = NULL;
393 flacenc->last_flow = GST_FLOW_OK;
397 gst_flac_enc_finalize (GObject * object)
399 GstFlacEnc *flacenc = GST_FLAC_ENC (object);
401 gst_tag_list_free (flacenc->tags);
403 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
405 FLAC__stream_encoder_delete (flacenc->encoder);
408 G_OBJECT_CLASS (parent_class)->finalize (object);
412 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
416 GstFlacEnc *flacenc = GST_FLAC_ENC (user_data);
418 comments = gst_tag_to_vorbis_comments (list, tag);
419 for (it = comments; it != NULL; it = it->next) {
420 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
422 commment_entry.length = strlen (it->data);
423 commment_entry.entry = it->data;
424 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
425 flacenc->meta[0]->data.vorbis_comment.num_comments,
426 commment_entry, TRUE);
429 g_list_free (comments);
433 gst_flac_enc_set_metadata (GstFlacEnc * flacenc)
435 const GstTagList *user_tags;
438 g_return_if_fail (flacenc != NULL);
439 user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (flacenc));
440 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
443 copy = gst_tag_list_merge (user_tags, flacenc->tags,
444 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
445 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
448 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
449 gst_tag_list_foreach (copy, add_one_tag, flacenc);
452 if (FLAC__seekable_stream_encoder_set_metadata (flacenc->encoder,
453 flacenc->meta, 1) != true)
455 if (FLAC__stream_encoder_set_metadata (flacenc->encoder,
456 flacenc->meta, 1) != true)
458 g_warning ("Dude, i'm already initialized!");
459 gst_tag_list_free (copy);
463 gst_flac_enc_caps_append_structure_with_widths (GstCaps * caps,
467 GValue list = { 0, };
468 GValue depth = { 0, };
471 tmp = gst_structure_copy (s);
472 gst_structure_set (tmp, "width", G_TYPE_INT, 8, "depth", G_TYPE_INT, 8, NULL);
473 gst_caps_append_structure (caps, tmp);
475 tmp = gst_structure_copy (s);
477 g_value_init (&depth, G_TYPE_INT);
478 g_value_init (&list, GST_TYPE_LIST);
479 g_value_set_int (&depth, 12);
480 gst_value_list_append_value (&list, &depth);
481 g_value_set_int (&depth, 16);
482 gst_value_list_append_value (&list, &depth);
484 gst_structure_set (tmp, "width", G_TYPE_INT, 16, NULL);
485 gst_structure_set_value (tmp, "depth", &list);
486 gst_caps_append_structure (caps, tmp);
488 g_value_reset (&list);
492 g_value_set_int (&depth, 20);
493 gst_value_list_append_value (&list, &depth);
494 g_value_set_int (&depth, 24);
495 gst_value_list_append_value (&list, &depth);
497 gst_structure_set (tmp, "width", G_TYPE_INT, 32, NULL);
498 gst_structure_set_value (tmp, "depth", &list);
499 gst_caps_append_structure (caps, tmp);
501 g_value_unset (&list);
502 g_value_unset (&depth);
506 gst_flac_enc_sink_getcaps (GstPad * pad)
510 GST_OBJECT_LOCK (pad);
512 if (GST_PAD_CAPS (pad)) {
513 ret = gst_caps_ref (GST_PAD_CAPS (pad));
517 ret = gst_caps_new_empty ();
519 gst_flac_enc_caps_append_structure_with_widths (ret,
520 gst_structure_new ("audio/x-raw-int",
521 "endianness", G_TYPE_INT, G_BYTE_ORDER,
522 "signed", G_TYPE_BOOLEAN, TRUE,
523 "rate", GST_TYPE_INT_RANGE, 1, 655350,
524 "channels", GST_TYPE_INT_RANGE, 1, 2, NULL));
526 for (i = 3; i <= 8; i++) {
527 GValue positions = { 0, };
531 g_value_init (&positions, GST_TYPE_ARRAY);
532 g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
534 for (c = 0; c < i; c++) {
535 g_value_set_enum (&pos, channel_positions[i - 1][c]);
536 gst_value_array_append_value (&positions, &pos);
538 g_value_unset (&pos);
540 s = gst_structure_new ("audio/x-raw-int",
541 "endianness", G_TYPE_INT, G_BYTE_ORDER,
542 "signed", G_TYPE_BOOLEAN, TRUE,
543 "rate", GST_TYPE_INT_RANGE, 1, 655350,
544 "channels", G_TYPE_INT, i, NULL);
545 gst_structure_set_value (s, "channel-positions", &positions);
546 g_value_unset (&positions);
548 gst_flac_enc_caps_append_structure_with_widths (ret, s);
552 GST_OBJECT_UNLOCK (pad);
554 GST_DEBUG_OBJECT (pad, "Return caps %" GST_PTR_FORMAT, ret);
560 gst_flac_enc_query_peer_total_samples (GstFlacEnc * flacenc, GstPad * pad)
562 GstFormat fmt = GST_FORMAT_DEFAULT;
565 if (gst_pad_query_peer_duration (pad, &fmt, &duration)
566 && fmt == GST_FORMAT_DEFAULT && duration != GST_CLOCK_TIME_NONE)
569 fmt = GST_FORMAT_TIME;
571 if (gst_pad_query_peer_duration (pad, &fmt, &duration) &&
572 fmt == GST_FORMAT_TIME && duration != GST_CLOCK_TIME_NONE) {
573 duration = GST_FRAMES_TO_CLOCK_TIME (duration, flacenc->sample_rate);
578 GST_DEBUG_OBJECT (flacenc, "Upstream reported no total samples");
579 return GST_CLOCK_TIME_NONE;
582 GST_DEBUG_OBJECT (flacenc,
583 "Upstream reported %" G_GUINT64_FORMAT " total samples", duration);
589 gst_flac_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
592 GstStructure *structure;
593 guint64 total_samples = GST_CLOCK_TIME_NONE;
596 FLAC__SeekableStreamEncoderState state;
598 FLAC__StreamEncoderInitStatus init_status;
600 gint depth, chans, rate, width;
602 flacenc = GST_FLAC_ENC (gst_pad_get_parent (pad));
605 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
606 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
608 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
609 FLAC__STREAM_ENCODER_UNINITIALIZED)
612 goto encoder_already_initialized;
614 structure = gst_caps_get_structure (caps, 0);
616 if (!gst_structure_get_int (structure, "channels", &chans) ||
617 !gst_structure_get_int (structure, "width", &width) ||
618 !gst_structure_get_int (structure, "depth", &depth) ||
619 !gst_structure_get_int (structure, "rate", &rate)) {
620 GST_DEBUG_OBJECT (flacenc, "incomplete caps: %" GST_PTR_FORMAT, caps);
624 flacenc->channels = chans;
625 flacenc->width = width;
626 flacenc->depth = depth;
627 flacenc->sample_rate = rate;
629 caps = gst_caps_new_simple ("audio/x-flac",
630 "channels", G_TYPE_INT, flacenc->channels,
631 "rate", G_TYPE_INT, flacenc->sample_rate, NULL);
633 if (!gst_pad_set_caps (flacenc->srcpad, caps))
634 goto setting_src_caps_failed;
636 gst_caps_unref (caps);
638 total_samples = gst_flac_enc_query_peer_total_samples (flacenc, pad);
641 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
643 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
644 flacenc->sample_rate);
645 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
648 if (total_samples != GST_CLOCK_TIME_NONE)
649 FLAC__seekable_stream_encoder_set_total_samples_estimate (flacenc->encoder,
652 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
653 gst_flac_enc_write_callback);
654 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
655 gst_flac_enc_seek_callback);
656 FLAC__seekable_stream_encoder_set_tell_callback (flacenc->encoder,
657 gst_flac_enc_tell_callback);
659 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder, flacenc);
661 FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder, flacenc->depth);
662 FLAC__stream_encoder_set_sample_rate (flacenc->encoder, flacenc->sample_rate);
663 FLAC__stream_encoder_set_channels (flacenc->encoder, flacenc->channels);
665 if (total_samples != GST_CLOCK_TIME_NONE)
666 FLAC__stream_encoder_set_total_samples_estimate (flacenc->encoder,
670 gst_flac_enc_set_metadata (flacenc);
673 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
674 if (state != FLAC__STREAM_ENCODER_OK)
675 goto failed_to_initialize;
677 init_status = FLAC__stream_encoder_init_stream (flacenc->encoder,
678 gst_flac_enc_write_callback, gst_flac_enc_seek_callback,
679 gst_flac_enc_tell_callback, NULL, flacenc);
680 if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
681 goto failed_to_initialize;
684 gst_object_unref (flacenc);
688 encoder_already_initialized:
690 g_warning ("flac already initialized -- fixme allow this");
691 gst_object_unref (flacenc);
694 setting_src_caps_failed:
696 GST_DEBUG_OBJECT (flacenc,
697 "Couldn't set caps on source pad: %" GST_PTR_FORMAT, caps);
698 gst_caps_unref (caps);
699 gst_object_unref (flacenc);
702 failed_to_initialize:
704 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
705 ("could not initialize encoder (wrong parameters?)"));
706 gst_object_unref (flacenc);
712 gst_flac_enc_update_quality (GstFlacEnc * flacenc, gint quality)
714 flacenc->quality = quality;
717 #define DO_UPDATE(name, val, str) \
719 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
720 flacenc_params[quality].val) { \
721 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
722 flacenc_params[quality].val); \
723 g_object_notify (G_OBJECT (flacenc), str); \
728 #define DO_UPDATE(name, val, str) \
730 if (FLAC__stream_encoder_get_##name (flacenc->encoder) != \
731 flacenc_params[quality].val) { \
732 FLAC__stream_encoder_set_##name (flacenc->encoder, \
733 flacenc_params[quality].val); \
734 g_object_notify (G_OBJECT (flacenc), str); \
740 g_object_freeze_notify (G_OBJECT (flacenc));
742 if (flacenc->channels == 2 || flacenc->channels == 0) {
743 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
744 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
747 DO_UPDATE (blocksize, blocksize, "blocksize");
748 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
749 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
750 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
751 "qlp_coeff_prec_search");
752 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
753 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
754 "exhaustive_model_search");
755 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
756 "min_residual_partition_order");
757 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
758 "max_residual_partition_order");
759 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
760 "rice_parameter_search_dist");
764 g_object_thaw_notify (G_OBJECT (flacenc));
770 static FLAC__SeekableStreamEncoderSeekStatus
771 gst_flac_enc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
772 FLAC__uint64 absolute_byte_offset, void *client_data)
774 static FLAC__StreamEncoderSeekStatus
775 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
776 FLAC__uint64 absolute_byte_offset, void *client_data)
783 flacenc = GST_FLAC_ENC (client_data);
785 if (flacenc->stopped)
787 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK;
789 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
791 event = gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_BYTES,
792 absolute_byte_offset, GST_BUFFER_OFFSET_NONE, 0);
794 if ((peerpad = gst_pad_get_peer (flacenc->srcpad))) {
795 gboolean ret = gst_pad_send_event (peerpad, event);
797 gst_object_unref (peerpad);
800 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s", absolute_byte_offset,
803 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s", absolute_byte_offset,
806 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_ERROR;
808 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
813 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " failed (no peer pad)",
814 absolute_byte_offset);
817 flacenc->offset = absolute_byte_offset;
819 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK;
821 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
826 notgst_value_array_append_buffer (GValue * array_val, GstBuffer * buf)
828 GValue value = { 0, };
830 g_value_init (&value, GST_TYPE_BUFFER);
831 /* copy buffer to avoid problems with circular refcounts */
832 buf = gst_buffer_copy (buf);
833 /* again, for good measure */
834 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
835 gst_value_set_buffer (&value, buf);
836 gst_buffer_unref (buf);
837 gst_value_array_append_value (array_val, &value);
838 g_value_unset (&value);
841 #define HDR_TYPE_STREAMINFO 0
842 #define HDR_TYPE_VORBISCOMMENT 4
845 gst_flac_enc_process_stream_headers (GstFlacEnc * enc)
847 GstBuffer *vorbiscomment = NULL;
848 GstBuffer *streaminfo = NULL;
849 GstBuffer *marker = NULL;
850 GValue array = { 0, };
854 caps = gst_caps_new_simple ("audio/x-flac",
855 "channels", G_TYPE_INT, enc->channels,
856 "rate", G_TYPE_INT, enc->sample_rate, NULL);
858 for (l = enc->headers; l != NULL; l = l->next) {
862 /* mark buffers so oggmux will ignore them if it already muxed the
863 * header buffers from the streamheaders field in the caps */
864 l->data = gst_buffer_make_metadata_writable (GST_BUFFER (l->data));
865 GST_BUFFER_FLAG_SET (GST_BUFFER (l->data), GST_BUFFER_FLAG_IN_CAPS);
867 data = GST_BUFFER_DATA (GST_BUFFER_CAST (l->data));
868 size = GST_BUFFER_SIZE (GST_BUFFER_CAST (l->data));
870 /* find initial 4-byte marker which we need to skip later on */
871 if (size == 4 && memcmp (data, "fLaC", 4) == 0) {
872 marker = GST_BUFFER_CAST (l->data);
873 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_STREAMINFO) {
874 streaminfo = GST_BUFFER_CAST (l->data);
875 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_VORBISCOMMENT) {
876 vorbiscomment = GST_BUFFER_CAST (l->data);
880 if (marker == NULL || streaminfo == NULL || vorbiscomment == NULL) {
881 GST_WARNING_OBJECT (enc, "missing header %p %p %p, muxing into container "
882 "formats may be broken", marker, streaminfo, vorbiscomment);
886 g_value_init (&array, GST_TYPE_ARRAY);
888 /* add marker including STREAMINFO header */
893 /* minus one for the marker that is merged with streaminfo here */
894 num = g_list_length (enc->headers) - 1;
896 buf = gst_buffer_new_and_alloc (13 + GST_BUFFER_SIZE (streaminfo));
897 GST_BUFFER_DATA (buf)[0] = 0x7f;
898 memcpy (GST_BUFFER_DATA (buf) + 1, "FLAC", 4);
899 GST_BUFFER_DATA (buf)[5] = 0x01; /* mapping version major */
900 GST_BUFFER_DATA (buf)[6] = 0x00; /* mapping version minor */
901 GST_BUFFER_DATA (buf)[7] = (num & 0xFF00) >> 8;
902 GST_BUFFER_DATA (buf)[8] = (num & 0x00FF) >> 0;
903 memcpy (GST_BUFFER_DATA (buf) + 9, "fLaC", 4);
904 memcpy (GST_BUFFER_DATA (buf) + 13, GST_BUFFER_DATA (streaminfo),
905 GST_BUFFER_SIZE (streaminfo));
906 notgst_value_array_append_buffer (&array, buf);
907 gst_buffer_unref (buf);
910 /* add VORBISCOMMENT header */
911 notgst_value_array_append_buffer (&array, vorbiscomment);
913 /* add other headers, if there are any */
914 for (l = enc->headers; l != NULL; l = l->next) {
915 if (GST_BUFFER_CAST (l->data) != marker &&
916 GST_BUFFER_CAST (l->data) != streaminfo &&
917 GST_BUFFER_CAST (l->data) != vorbiscomment) {
918 notgst_value_array_append_buffer (&array, GST_BUFFER_CAST (l->data));
922 gst_structure_set_value (gst_caps_get_structure (caps, 0),
923 "streamheader", &array);
924 g_value_unset (&array);
928 gst_pad_set_caps (enc->srcpad, caps);
930 /* push header buffers; update caps, so when we push the first buffer the
931 * negotiated caps will change to caps that include the streamheader field */
932 for (l = enc->headers; l != NULL; l = l->next) {
935 buf = GST_BUFFER (l->data);
936 gst_buffer_set_caps (buf, caps);
937 GST_LOG ("Pushing header buffer, size %u bytes", GST_BUFFER_SIZE (buf));
938 (void) gst_pad_push (enc->srcpad, buf);
941 g_list_free (enc->headers);
944 gst_caps_unref (caps);
948 static FLAC__StreamEncoderWriteStatus
949 gst_flac_enc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
950 const FLAC__byte buffer[], unsigned bytes,
951 unsigned samples, unsigned current_frame, void *client_data)
953 static FLAC__StreamEncoderWriteStatus
954 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
955 const FLAC__byte buffer[], size_t bytes,
956 unsigned samples, unsigned current_frame, void *client_data)
959 GstFlowReturn ret = GST_FLOW_OK;
963 flacenc = GST_FLAC_ENC (client_data);
965 if (flacenc->stopped)
966 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
968 outbuf = gst_buffer_new_and_alloc (bytes);
969 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
971 if (samples > 0 && flacenc->samples_written != (guint64) - 1) {
974 GST_BUFFER_TIMESTAMP (outbuf) = flacenc->start_ts +
975 GST_FRAMES_TO_CLOCK_TIME (flacenc->samples_written,
976 flacenc->sample_rate);
977 GST_BUFFER_DURATION (outbuf) =
978 GST_FRAMES_TO_CLOCK_TIME (samples, flacenc->sample_rate);
979 /* offset_end = granulepos for ogg muxer */
981 flacenc->granulepos_offset + flacenc->samples_written + samples;
982 GST_BUFFER_OFFSET_END (outbuf) = granulepos;
983 /* offset = timestamp corresponding to granulepos for ogg muxer
984 * (see vorbisenc for a much more elaborate version of this) */
985 GST_BUFFER_OFFSET (outbuf) =
986 GST_FRAMES_TO_CLOCK_TIME (granulepos, flacenc->sample_rate);
988 GST_BUFFER_TIMESTAMP (outbuf) = GST_CLOCK_TIME_NONE;
989 GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
990 GST_BUFFER_OFFSET (outbuf) =
991 flacenc->samples_written * flacenc->width * flacenc->channels;
992 GST_BUFFER_OFFSET_END (outbuf) = 0;
993 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_IN_CAPS);
996 /* we assume libflac passes us stuff neatly framed */
997 if (!flacenc->got_headers) {
999 GST_DEBUG_OBJECT (flacenc, "Got header, queueing (%u bytes)",
1001 flacenc->headers = g_list_append (flacenc->headers, outbuf);
1002 /* note: it's important that we increase our byte offset */
1005 GST_INFO_OBJECT (flacenc, "Non-header packet, we have all headers now");
1006 gst_flac_enc_process_stream_headers (flacenc);
1007 flacenc->got_headers = TRUE;
1009 } else if (flacenc->got_headers && samples == 0) {
1010 GST_WARNING_OBJECT (flacenc, "Got header packet after data packets");
1013 GST_LOG ("Pushing buffer: ts=%" GST_TIME_FORMAT ", samples=%u, size=%u, "
1014 "pos=%" G_GUINT64_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
1015 samples, (guint) bytes, flacenc->offset);
1017 gst_buffer_set_caps (outbuf, GST_PAD_CAPS (flacenc->srcpad));
1018 ret = gst_pad_push (flacenc->srcpad, outbuf);
1020 if (ret != GST_FLOW_OK)
1021 GST_DEBUG_OBJECT (flacenc, "flow: %s", gst_flow_get_name (ret));
1023 flacenc->last_flow = ret;
1027 flacenc->offset += bytes;
1028 flacenc->samples_written += samples;
1030 if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED)
1031 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1033 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1037 static FLAC__SeekableStreamEncoderTellStatus
1038 gst_flac_enc_tell_callback (const FLAC__SeekableStreamEncoder * encoder,
1039 FLAC__uint64 * absolute_byte_offset, void *client_data)
1041 static FLAC__StreamEncoderTellStatus
1042 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
1043 FLAC__uint64 * absolute_byte_offset, void *client_data)
1046 GstFlacEnc *flacenc = GST_FLAC_ENC (client_data);
1048 *absolute_byte_offset = flacenc->offset;
1051 return FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK;
1053 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
1058 gst_flac_enc_sink_event (GstPad * pad, GstEvent * event)
1060 GstFlacEnc *flacenc;
1061 GstTagList *taglist;
1062 gboolean ret = TRUE;
1064 flacenc = GST_FLAC_ENC (gst_pad_get_parent (pad));
1066 GST_DEBUG ("Received %s event on sinkpad", GST_EVENT_TYPE_NAME (event));
1068 switch (GST_EVENT_TYPE (event)) {
1069 case GST_EVENT_NEWSEGMENT:{
1071 gint64 start, stream_time;
1073 if (flacenc->offset == 0) {
1074 gst_event_parse_new_segment (event, NULL, NULL, &format, &start, NULL,
1080 if (flacenc->offset > 0)
1081 GST_DEBUG ("Not handling mid-stream newsegment event");
1083 GST_DEBUG ("Not handling newsegment event with non-zero start");
1085 GstEvent *e = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
1088 ret = gst_pad_push_event (flacenc->srcpad, e);
1090 if (stream_time != 0) {
1091 GST_DEBUG ("Not handling non-zero stream time");
1093 gst_event_unref (event);
1094 /* don't push it downstream, we'll generate our own via seek to 0 */
1099 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
1101 FLAC__stream_encoder_finish (flacenc->encoder);
1103 ret = gst_pad_event_default (pad, event);
1106 if (flacenc->tags) {
1107 gst_event_parse_tag (event, &taglist);
1108 gst_tag_list_insert (flacenc->tags, taglist, GST_TAG_MERGE_REPLACE);
1110 g_assert_not_reached ();
1112 ret = gst_pad_event_default (pad, event);
1115 ret = gst_pad_event_default (pad, event);
1119 gst_object_unref (flacenc);
1125 gst_flac_enc_check_discont (GstFlacEnc * flacenc, GstClockTime expected,
1126 GstClockTime timestamp)
1128 guint allowed_diff = GST_SECOND / flacenc->sample_rate / 2;
1130 if ((timestamp + allowed_diff < expected)
1131 || (timestamp > expected + allowed_diff)) {
1132 GST_ELEMENT_WARNING (flacenc, STREAM, FORMAT, (NULL),
1133 ("Stream discontinuity detected (wanted %" GST_TIME_FORMAT " got %"
1134 GST_TIME_FORMAT "). The output will have wrong timestamps,"
1135 " consider using audiorate to handle discontinuities",
1136 GST_TIME_ARGS (expected), GST_TIME_ARGS (timestamp)));
1140 /* TODO: Do something to handle discontinuities in the stream. The FLAC encoder
1141 * unfortunately doesn't have any way to flush it's internal buffers */
1146 static GstFlowReturn
1147 gst_flac_enc_chain (GstPad * pad, GstBuffer * buffer)
1149 GstFlacEnc *flacenc;
1152 gint samples, width;
1156 flacenc = GST_FLAC_ENC (GST_PAD_PARENT (pad));
1158 /* make sure setcaps has been called and the encoder is set up */
1159 if (G_UNLIKELY (flacenc->depth == 0))
1160 return GST_FLOW_NOT_NEGOTIATED;
1162 width = flacenc->width;
1164 /* Save the timestamp of the first buffer. This will be later
1165 * used as offset for all following buffers */
1166 if (flacenc->start_ts == GST_CLOCK_TIME_NONE) {
1167 if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
1168 flacenc->start_ts = GST_BUFFER_TIMESTAMP (buffer);
1169 flacenc->granulepos_offset = gst_util_uint64_scale
1170 (GST_BUFFER_TIMESTAMP (buffer), flacenc->sample_rate, GST_SECOND);
1172 flacenc->start_ts = 0;
1173 flacenc->granulepos_offset = 0;
1177 /* Check if we have a continous stream, if not drop some samples or the buffer or
1178 * insert some silence samples */
1179 if (flacenc->next_ts != GST_CLOCK_TIME_NONE
1180 && GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
1181 gst_flac_enc_check_discont (flacenc, flacenc->next_ts,
1182 GST_BUFFER_TIMESTAMP (buffer));
1185 if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)
1186 && GST_BUFFER_DURATION_IS_VALID (buffer))
1188 GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer);
1190 flacenc->next_ts = GST_CLOCK_TIME_NONE;
1192 insize = GST_BUFFER_SIZE (buffer);
1193 samples = insize / (width >> 3);
1195 data = g_malloc (samples * sizeof (FLAC__int32));
1198 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buffer);
1200 for (i = 0; i < samples; i++)
1201 data[i] = (FLAC__int32) indata[i];
1202 } else if (width == 16) {
1203 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buffer);
1205 for (i = 0; i < samples; i++)
1206 data[i] = (FLAC__int32) indata[i];
1207 } else if (width == 32) {
1208 gint32 *indata = (gint32 *) GST_BUFFER_DATA (buffer);
1210 for (i = 0; i < samples; i++)
1211 data[i] = (FLAC__int32) indata[i];
1213 g_assert_not_reached ();
1216 gst_buffer_unref (buffer);
1219 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
1220 (const FLAC__int32 *) data, samples / flacenc->channels);
1222 res = FLAC__stream_encoder_process_interleaved (flacenc->encoder,
1223 (const FLAC__int32 *) data, samples / flacenc->channels);
1229 if (flacenc->last_flow == GST_FLOW_OK)
1230 return GST_FLOW_ERROR;
1232 return flacenc->last_flow;
1239 gst_flac_enc_set_property (GObject * object, guint prop_id,
1240 const GValue * value, GParamSpec * pspec)
1242 GstFlacEnc *this = GST_FLAC_ENC (object);
1244 GST_OBJECT_LOCK (this);
1248 gst_flac_enc_update_quality (this, g_value_get_enum (value));
1250 case PROP_STREAMABLE_SUBSET:
1252 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
1253 g_value_get_boolean (value));
1255 FLAC__stream_encoder_set_streamable_subset (this->encoder,
1256 g_value_get_boolean (value));
1259 case PROP_MID_SIDE_STEREO:
1261 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
1262 g_value_get_boolean (value));
1264 FLAC__stream_encoder_set_do_mid_side_stereo (this->encoder,
1265 g_value_get_boolean (value));
1268 case PROP_LOOSE_MID_SIDE_STEREO:
1270 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
1271 g_value_get_boolean (value));
1273 FLAC__stream_encoder_set_loose_mid_side_stereo (this->encoder,
1274 g_value_get_boolean (value));
1277 case PROP_BLOCKSIZE:
1279 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
1280 g_value_get_uint (value));
1282 FLAC__stream_encoder_set_blocksize (this->encoder,
1283 g_value_get_uint (value));
1286 case PROP_MAX_LPC_ORDER:
1288 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
1289 g_value_get_uint (value));
1291 FLAC__stream_encoder_set_max_lpc_order (this->encoder,
1292 g_value_get_uint (value));
1295 case PROP_QLP_COEFF_PRECISION:
1297 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
1298 g_value_get_uint (value));
1300 FLAC__stream_encoder_set_qlp_coeff_precision (this->encoder,
1301 g_value_get_uint (value));
1304 case PROP_QLP_COEFF_PREC_SEARCH:
1306 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1307 g_value_get_boolean (value));
1309 FLAC__stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1310 g_value_get_boolean (value));
1313 case PROP_ESCAPE_CODING:
1315 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
1316 g_value_get_boolean (value));
1318 FLAC__stream_encoder_set_do_escape_coding (this->encoder,
1319 g_value_get_boolean (value));
1322 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1324 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search
1325 (this->encoder, g_value_get_boolean (value));
1327 FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
1328 g_value_get_boolean (value));
1331 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1333 FLAC__seekable_stream_encoder_set_min_residual_partition_order
1334 (this->encoder, g_value_get_uint (value));
1336 FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
1337 g_value_get_uint (value));
1340 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1342 FLAC__seekable_stream_encoder_set_max_residual_partition_order
1343 (this->encoder, g_value_get_uint (value));
1345 FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
1346 g_value_get_uint (value));
1349 case PROP_RICE_PARAMETER_SEARCH_DIST:
1351 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist
1352 (this->encoder, g_value_get_uint (value));
1354 FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
1355 g_value_get_uint (value));
1359 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1363 GST_OBJECT_UNLOCK (this);
1367 gst_flac_enc_get_property (GObject * object, guint prop_id,
1368 GValue * value, GParamSpec * pspec)
1370 GstFlacEnc *this = GST_FLAC_ENC (object);
1372 GST_OBJECT_LOCK (this);
1376 g_value_set_enum (value, this->quality);
1378 case PROP_STREAMABLE_SUBSET:
1380 g_value_set_boolean (value,
1381 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
1383 g_value_set_boolean (value,
1384 FLAC__stream_encoder_get_streamable_subset (this->encoder));
1387 case PROP_MID_SIDE_STEREO:
1389 g_value_set_boolean (value,
1390 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
1392 g_value_set_boolean (value,
1393 FLAC__stream_encoder_get_do_mid_side_stereo (this->encoder));
1396 case PROP_LOOSE_MID_SIDE_STEREO:
1398 g_value_set_boolean (value,
1399 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo
1402 g_value_set_boolean (value,
1403 FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
1406 case PROP_BLOCKSIZE:
1408 g_value_set_uint (value,
1409 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
1411 g_value_set_uint (value,
1412 FLAC__stream_encoder_get_blocksize (this->encoder));
1415 case PROP_MAX_LPC_ORDER:
1417 g_value_set_uint (value,
1418 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
1420 g_value_set_uint (value,
1421 FLAC__stream_encoder_get_max_lpc_order (this->encoder));
1424 case PROP_QLP_COEFF_PRECISION:
1426 g_value_set_uint (value,
1427 FLAC__seekable_stream_encoder_get_qlp_coeff_precision
1430 g_value_set_uint (value,
1431 FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
1434 case PROP_QLP_COEFF_PREC_SEARCH:
1436 g_value_set_boolean (value,
1437 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search
1440 g_value_set_boolean (value,
1441 FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
1444 case PROP_ESCAPE_CODING:
1446 g_value_set_boolean (value,
1447 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
1449 g_value_set_boolean (value,
1450 FLAC__stream_encoder_get_do_escape_coding (this->encoder));
1453 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1455 g_value_set_boolean (value,
1456 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search
1459 g_value_set_boolean (value,
1460 FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
1463 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1465 g_value_set_uint (value,
1466 FLAC__seekable_stream_encoder_get_min_residual_partition_order
1469 g_value_set_uint (value,
1470 FLAC__stream_encoder_get_min_residual_partition_order
1474 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1476 g_value_set_uint (value,
1477 FLAC__seekable_stream_encoder_get_max_residual_partition_order
1480 g_value_set_uint (value,
1481 FLAC__stream_encoder_get_max_residual_partition_order
1485 case PROP_RICE_PARAMETER_SEARCH_DIST:
1487 g_value_set_uint (value,
1488 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist
1491 g_value_set_uint (value,
1492 FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
1496 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1500 GST_OBJECT_UNLOCK (this);
1503 static GstStateChangeReturn
1504 gst_flac_enc_change_state (GstElement * element, GstStateChange transition)
1506 GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
1507 GstFlacEnc *flacenc = GST_FLAC_ENC (element);
1509 switch (transition) {
1510 case GST_STATE_CHANGE_NULL_TO_READY:
1511 case GST_STATE_CHANGE_READY_TO_PAUSED:
1512 flacenc->stopped = FALSE;
1513 flacenc->start_ts = GST_CLOCK_TIME_NONE;
1514 flacenc->next_ts = GST_CLOCK_TIME_NONE;
1515 flacenc->granulepos_offset = 0;
1517 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1522 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1524 switch (transition) {
1525 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1527 case GST_STATE_CHANGE_PAUSED_TO_READY:
1529 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
1530 FLAC__STREAM_ENCODER_UNINITIALIZED) {
1531 flacenc->stopped = TRUE;
1532 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
1535 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
1536 FLAC__STREAM_ENCODER_UNINITIALIZED) {
1537 flacenc->stopped = TRUE;
1538 FLAC__stream_encoder_finish (flacenc->encoder);
1541 flacenc->offset = 0;
1542 flacenc->samples_written = 0;
1543 flacenc->channels = 0;
1545 flacenc->sample_rate = 0;
1546 if (flacenc->meta) {
1547 FLAC__metadata_object_delete (flacenc->meta[0]);
1548 g_free (flacenc->meta);
1549 flacenc->meta = NULL;
1551 g_list_foreach (flacenc->headers, (GFunc) gst_mini_object_unref, NULL);
1552 g_list_free (flacenc->headers);
1553 flacenc->headers = NULL;
1554 flacenc->got_headers = FALSE;
1555 flacenc->last_flow = GST_FLOW_OK;
1557 case GST_STATE_CHANGE_READY_TO_NULL: