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, G_PARAM_READWRITE));
284 g_object_class_install_property (G_OBJECT_CLASS (klass),
285 PROP_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable_subset",
287 "true to limit encoder to generating a Subset stream, else false",
288 TRUE, G_PARAM_READWRITE));
289 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MID_SIDE_STEREO,
290 g_param_spec_boolean ("mid_side_stereo", "Do mid side stereo",
291 "Do mid side stereo (only for stereo input)",
292 flacenc_params[DEFAULT_QUALITY].mid_side, G_PARAM_READWRITE));
293 g_object_class_install_property (G_OBJECT_CLASS (klass),
294 PROP_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose_mid_side_stereo",
295 "Loose mid side stereo", "Loose mid side stereo",
296 flacenc_params[DEFAULT_QUALITY].loose_mid_side, G_PARAM_READWRITE));
297 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
298 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
299 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
300 flacenc_params[DEFAULT_QUALITY].blocksize, G_PARAM_READWRITE));
301 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_LPC_ORDER,
302 g_param_spec_uint ("max_lpc_order", "Max LPC order",
303 "Max LPC order; 0 => use only fixed predictors", 0,
304 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
306 g_object_class_install_property (G_OBJECT_CLASS (klass),
307 PROP_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp_coeff_precision",
308 "QLP coefficients precision",
309 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
310 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
312 g_object_class_install_property (G_OBJECT_CLASS (klass),
313 PROP_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp_coeff_prec_search",
314 "Do QLP coefficients precision search",
315 "false = use qlp_coeff_precision, "
316 "true = search around qlp_coeff_precision, take best",
317 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
319 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ESCAPE_CODING,
320 g_param_spec_boolean ("escape_coding", "Do Escape coding",
321 "search for escape codes in the entropy coding stage "
322 "for slightly better compression",
323 flacenc_params[DEFAULT_QUALITY].escape_coding, G_PARAM_READWRITE));
324 g_object_class_install_property (G_OBJECT_CLASS (klass),
325 PROP_EXHAUSTIVE_MODEL_SEARCH,
326 g_param_spec_boolean ("exhaustive_model_search",
327 "Do exhaustive model search",
328 "do exhaustive search of LP coefficient quantization (expensive!)",
329 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
331 g_object_class_install_property (G_OBJECT_CLASS (klass),
332 PROP_MIN_RESIDUAL_PARTITION_ORDER,
333 g_param_spec_uint ("min_residual_partition_order",
334 "Min residual partition order",
335 "Min residual partition order (above 4 doesn't usually help much)", 0,
336 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
338 g_object_class_install_property (G_OBJECT_CLASS (klass),
339 PROP_MAX_RESIDUAL_PARTITION_ORDER,
340 g_param_spec_uint ("max_residual_partition_order",
341 "Max residual partition order",
342 "Max residual partition order (above 4 doesn't usually help much)", 0,
343 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
345 g_object_class_install_property (G_OBJECT_CLASS (klass),
346 PROP_RICE_PARAMETER_SEARCH_DIST,
347 g_param_spec_uint ("rice_parameter_search_dist",
348 "rice_parameter_search_dist",
349 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
350 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
351 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
354 gstelement_class->change_state = gst_flac_enc_change_state;
358 gst_flac_enc_init (GstFlacEnc * flacenc, GstFlacEncClass * klass)
360 flacenc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
361 gst_pad_set_chain_function (flacenc->sinkpad,
362 GST_DEBUG_FUNCPTR (gst_flac_enc_chain));
363 gst_pad_set_event_function (flacenc->sinkpad,
364 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_event));
365 gst_pad_set_getcaps_function (flacenc->sinkpad,
366 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_getcaps));
367 gst_pad_set_setcaps_function (flacenc->sinkpad,
368 GST_DEBUG_FUNCPTR (gst_flac_enc_sink_setcaps));
369 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->sinkpad);
371 flacenc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
372 gst_pad_use_fixed_caps (flacenc->srcpad);
373 gst_element_add_pad (GST_ELEMENT (flacenc), flacenc->srcpad);
376 flacenc->encoder = FLAC__seekable_stream_encoder_new ();
378 flacenc->encoder = FLAC__stream_encoder_new ();
382 flacenc->samples_written = 0;
383 gst_flac_enc_update_quality (flacenc, DEFAULT_QUALITY);
384 flacenc->tags = gst_tag_list_new ();
385 flacenc->got_headers = FALSE;
386 flacenc->headers = NULL;
387 flacenc->last_flow = GST_FLOW_OK;
391 gst_flac_enc_finalize (GObject * object)
393 GstFlacEnc *flacenc = GST_FLAC_ENC (object);
395 gst_tag_list_free (flacenc->tags);
397 FLAC__seekable_stream_encoder_delete (flacenc->encoder);
399 FLAC__stream_encoder_delete (flacenc->encoder);
402 G_OBJECT_CLASS (parent_class)->finalize (object);
406 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
410 GstFlacEnc *flacenc = GST_FLAC_ENC (user_data);
412 comments = gst_tag_to_vorbis_comments (list, tag);
413 for (it = comments; it != NULL; it = it->next) {
414 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
416 commment_entry.length = strlen (it->data);
417 commment_entry.entry = it->data;
418 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
419 flacenc->meta[0]->data.vorbis_comment.num_comments,
420 commment_entry, TRUE);
423 g_list_free (comments);
427 gst_flac_enc_set_metadata (GstFlacEnc * flacenc)
429 const GstTagList *user_tags;
432 g_return_if_fail (flacenc != NULL);
433 user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (flacenc));
434 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
437 copy = gst_tag_list_merge (user_tags, flacenc->tags,
438 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
439 flacenc->meta = g_malloc (sizeof (FLAC__StreamMetadata **));
442 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
443 gst_tag_list_foreach (copy, add_one_tag, flacenc);
446 if (FLAC__seekable_stream_encoder_set_metadata (flacenc->encoder,
447 flacenc->meta, 1) != true)
449 if (FLAC__stream_encoder_set_metadata (flacenc->encoder,
450 flacenc->meta, 1) != true)
452 g_warning ("Dude, i'm already initialized!");
453 gst_tag_list_free (copy);
457 gst_flac_enc_caps_append_structure_with_widths (GstCaps * caps,
461 GValue list = { 0, };
462 GValue depth = { 0, };
465 tmp = gst_structure_copy (s);
466 gst_structure_set (tmp, "width", G_TYPE_INT, 8, "depth", G_TYPE_INT, 8, NULL);
467 gst_caps_append_structure (caps, tmp);
469 tmp = gst_structure_copy (s);
471 g_value_init (&depth, G_TYPE_INT);
472 g_value_init (&list, GST_TYPE_LIST);
473 g_value_set_int (&depth, 12);
474 gst_value_list_append_value (&list, &depth);
475 g_value_set_int (&depth, 16);
476 gst_value_list_append_value (&list, &depth);
478 gst_structure_set (tmp, "width", G_TYPE_INT, 16, NULL);
479 gst_structure_set_value (tmp, "depth", &list);
480 gst_caps_append_structure (caps, tmp);
482 g_value_reset (&list);
486 g_value_set_int (&depth, 20);
487 gst_value_list_append_value (&list, &depth);
488 g_value_set_int (&depth, 24);
489 gst_value_list_append_value (&list, &depth);
491 gst_structure_set (tmp, "width", G_TYPE_INT, 32, NULL);
492 gst_structure_set_value (tmp, "depth", &list);
493 gst_caps_append_structure (caps, tmp);
495 g_value_unset (&list);
496 g_value_unset (&depth);
500 gst_flac_enc_sink_getcaps (GstPad * pad)
504 GST_OBJECT_LOCK (pad);
506 if (GST_PAD_CAPS (pad)) {
507 ret = gst_caps_ref (GST_PAD_CAPS (pad));
511 ret = gst_caps_new_empty ();
513 gst_flac_enc_caps_append_structure_with_widths (ret,
514 gst_structure_new ("audio/x-raw-int",
515 "endianness", G_TYPE_INT, G_BYTE_ORDER,
516 "signed", G_TYPE_BOOLEAN, TRUE,
517 "rate", GST_TYPE_INT_RANGE, 1, 655350,
518 "channels", GST_TYPE_INT_RANGE, 1, 2, NULL));
520 for (i = 3; i <= 8; i++) {
521 GValue positions = { 0, };
525 g_value_init (&positions, GST_TYPE_ARRAY);
526 g_value_init (&pos, GST_TYPE_AUDIO_CHANNEL_POSITION);
528 for (c = 0; c < i; c++) {
529 g_value_set_enum (&pos, channel_positions[i - 1][c]);
530 gst_value_array_append_value (&positions, &pos);
532 g_value_unset (&pos);
534 s = gst_structure_new ("audio/x-raw-int",
535 "endianness", G_TYPE_INT, G_BYTE_ORDER,
536 "signed", G_TYPE_BOOLEAN, TRUE,
537 "rate", GST_TYPE_INT_RANGE, 1, 655350,
538 "channels", G_TYPE_INT, i, NULL);
539 gst_structure_set_value (s, "channel-positions", &positions);
540 g_value_unset (&positions);
542 gst_flac_enc_caps_append_structure_with_widths (ret, s);
546 GST_OBJECT_UNLOCK (pad);
548 GST_DEBUG_OBJECT (pad, "Return caps %" GST_PTR_FORMAT, ret);
554 gst_flac_enc_query_peer_total_samples (GstFlacEnc * flacenc, GstPad * pad)
556 GstFormat fmt = GST_FORMAT_DEFAULT;
559 if (gst_pad_query_peer_duration (pad, &fmt, &duration)
560 && fmt == GST_FORMAT_DEFAULT && duration != GST_CLOCK_TIME_NONE)
563 fmt = GST_FORMAT_TIME;
565 if (gst_pad_query_peer_duration (pad, &fmt, &duration) &&
566 fmt == GST_FORMAT_TIME && duration != GST_CLOCK_TIME_NONE) {
567 duration = GST_FRAMES_TO_CLOCK_TIME (duration, flacenc->sample_rate);
572 GST_DEBUG_OBJECT (flacenc, "Upstream reported no total samples");
573 return GST_CLOCK_TIME_NONE;
576 GST_DEBUG_OBJECT (flacenc,
577 "Upstream reported %" G_GUINT64_FORMAT " total samples", duration);
583 gst_flac_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
586 GstStructure *structure;
587 guint64 total_samples = GST_CLOCK_TIME_NONE;
590 FLAC__SeekableStreamEncoderState state;
592 FLAC__StreamEncoderInitStatus init_status;
594 gint depth, chans, rate, width;
596 flacenc = GST_FLAC_ENC (gst_pad_get_parent (pad));
599 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
600 FLAC__SEEKABLE_STREAM_ENCODER_UNINITIALIZED)
602 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
603 FLAC__STREAM_ENCODER_UNINITIALIZED)
606 goto encoder_already_initialized;
608 structure = gst_caps_get_structure (caps, 0);
610 if (!gst_structure_get_int (structure, "channels", &chans) ||
611 !gst_structure_get_int (structure, "width", &width) ||
612 !gst_structure_get_int (structure, "depth", &depth) ||
613 !gst_structure_get_int (structure, "rate", &rate)) {
614 GST_DEBUG_OBJECT (flacenc, "incomplete caps: %" GST_PTR_FORMAT, caps);
618 flacenc->channels = chans;
619 flacenc->width = width;
620 flacenc->depth = depth;
621 flacenc->sample_rate = rate;
623 caps = gst_caps_new_simple ("audio/x-flac",
624 "channels", G_TYPE_INT, flacenc->channels,
625 "rate", G_TYPE_INT, flacenc->sample_rate, NULL);
627 if (!gst_pad_set_caps (flacenc->srcpad, caps))
628 goto setting_src_caps_failed;
630 gst_caps_unref (caps);
632 total_samples = gst_flac_enc_query_peer_total_samples (flacenc, pad);
635 FLAC__seekable_stream_encoder_set_bits_per_sample (flacenc->encoder,
637 FLAC__seekable_stream_encoder_set_sample_rate (flacenc->encoder,
638 flacenc->sample_rate);
639 FLAC__seekable_stream_encoder_set_channels (flacenc->encoder,
642 if (total_samples != GST_CLOCK_TIME_NONE)
643 FLAC__seekable_stream_encoder_set_total_samples_estimate (flacenc->encoder,
646 FLAC__seekable_stream_encoder_set_write_callback (flacenc->encoder,
647 gst_flac_enc_write_callback);
648 FLAC__seekable_stream_encoder_set_seek_callback (flacenc->encoder,
649 gst_flac_enc_seek_callback);
650 FLAC__seekable_stream_encoder_set_tell_callback (flacenc->encoder,
651 gst_flac_enc_tell_callback);
653 FLAC__seekable_stream_encoder_set_client_data (flacenc->encoder, flacenc);
655 FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder, flacenc->depth);
656 FLAC__stream_encoder_set_sample_rate (flacenc->encoder, flacenc->sample_rate);
657 FLAC__stream_encoder_set_channels (flacenc->encoder, flacenc->channels);
659 if (total_samples != GST_CLOCK_TIME_NONE)
660 FLAC__stream_encoder_set_total_samples_estimate (flacenc->encoder,
664 gst_flac_enc_set_metadata (flacenc);
667 state = FLAC__seekable_stream_encoder_init (flacenc->encoder);
668 if (state != FLAC__STREAM_ENCODER_OK)
669 goto failed_to_initialize;
671 init_status = FLAC__stream_encoder_init_stream (flacenc->encoder,
672 gst_flac_enc_write_callback, gst_flac_enc_seek_callback,
673 gst_flac_enc_tell_callback, NULL, flacenc);
674 if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
675 goto failed_to_initialize;
678 gst_object_unref (flacenc);
682 encoder_already_initialized:
684 g_warning ("flac already initialized -- fixme allow this");
685 gst_object_unref (flacenc);
688 setting_src_caps_failed:
690 GST_DEBUG_OBJECT (flacenc,
691 "Couldn't set caps on source pad: %" GST_PTR_FORMAT, caps);
692 gst_caps_unref (caps);
693 gst_object_unref (flacenc);
696 failed_to_initialize:
698 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
699 ("could not initialize encoder (wrong parameters?)"));
700 gst_object_unref (flacenc);
706 gst_flac_enc_update_quality (GstFlacEnc * flacenc, gint quality)
708 flacenc->quality = quality;
711 #define DO_UPDATE(name, val, str) \
713 if (FLAC__seekable_stream_encoder_get_##name (flacenc->encoder) != \
714 flacenc_params[quality].val) { \
715 FLAC__seekable_stream_encoder_set_##name (flacenc->encoder, \
716 flacenc_params[quality].val); \
717 g_object_notify (G_OBJECT (flacenc), str); \
722 #define DO_UPDATE(name, val, str) \
724 if (FLAC__stream_encoder_get_##name (flacenc->encoder) != \
725 flacenc_params[quality].val) { \
726 FLAC__stream_encoder_set_##name (flacenc->encoder, \
727 flacenc_params[quality].val); \
728 g_object_notify (G_OBJECT (flacenc), str); \
734 g_object_freeze_notify (G_OBJECT (flacenc));
736 if (flacenc->channels == 2) {
737 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
738 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
741 DO_UPDATE (blocksize, blocksize, "blocksize");
742 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
743 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
744 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
745 "qlp_coeff_prec_search");
746 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
747 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
748 "exhaustive_model_search");
749 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
750 "min_residual_partition_order");
751 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
752 "max_residual_partition_order");
753 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
754 "rice_parameter_search_dist");
758 g_object_thaw_notify (G_OBJECT (flacenc));
764 static FLAC__SeekableStreamEncoderSeekStatus
765 gst_flac_enc_seek_callback (const FLAC__SeekableStreamEncoder * encoder,
766 FLAC__uint64 absolute_byte_offset, void *client_data)
768 static FLAC__StreamEncoderSeekStatus
769 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
770 FLAC__uint64 absolute_byte_offset, void *client_data)
777 flacenc = GST_FLAC_ENC (client_data);
779 if (flacenc->stopped)
781 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK;
783 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
785 event = gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_BYTES,
786 absolute_byte_offset, GST_BUFFER_OFFSET_NONE, 0);
788 if ((peerpad = gst_pad_get_peer (flacenc->srcpad))) {
789 gboolean ret = gst_pad_send_event (peerpad, event);
791 gst_object_unref (peerpad);
794 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s", absolute_byte_offset,
797 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s", absolute_byte_offset,
800 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_ERROR;
802 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
807 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " failed (no peer pad)",
808 absolute_byte_offset);
811 flacenc->offset = absolute_byte_offset;
813 return FLAC__SEEKABLE_STREAM_ENCODER_SEEK_STATUS_OK;
815 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
820 notgst_value_array_append_buffer (GValue * array_val, GstBuffer * buf)
822 GValue value = { 0, };
824 g_value_init (&value, GST_TYPE_BUFFER);
825 /* copy buffer to avoid problems with circular refcounts */
826 buf = gst_buffer_copy (buf);
827 /* again, for good measure */
828 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
829 gst_value_set_buffer (&value, buf);
830 gst_buffer_unref (buf);
831 gst_value_array_append_value (array_val, &value);
832 g_value_unset (&value);
835 #define HDR_TYPE_STREAMINFO 0
836 #define HDR_TYPE_VORBISCOMMENT 4
839 gst_flac_enc_process_stream_headers (GstFlacEnc * enc)
841 GstBuffer *vorbiscomment = NULL;
842 GstBuffer *streaminfo = NULL;
843 GstBuffer *marker = NULL;
844 GValue array = { 0, };
848 caps = gst_caps_new_simple ("audio/x-flac",
849 "channels", G_TYPE_INT, enc->channels,
850 "rate", G_TYPE_INT, enc->sample_rate, NULL);
852 for (l = enc->headers; l != NULL; l = l->next) {
856 /* mark buffers so oggmux will ignore them if it already muxed the
857 * header buffers from the streamheaders field in the caps */
858 l->data = gst_buffer_make_metadata_writable (GST_BUFFER (l->data));
859 GST_BUFFER_FLAG_SET (GST_BUFFER (l->data), GST_BUFFER_FLAG_IN_CAPS);
861 data = GST_BUFFER_DATA (GST_BUFFER_CAST (l->data));
862 size = GST_BUFFER_SIZE (GST_BUFFER_CAST (l->data));
864 /* find initial 4-byte marker which we need to skip later on */
865 if (size == 4 && memcmp (data, "fLaC", 4) == 0) {
866 marker = GST_BUFFER_CAST (l->data);
867 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_STREAMINFO) {
868 streaminfo = GST_BUFFER_CAST (l->data);
869 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_VORBISCOMMENT) {
870 vorbiscomment = GST_BUFFER_CAST (l->data);
874 if (marker == NULL || streaminfo == NULL || vorbiscomment == NULL) {
875 GST_WARNING_OBJECT (enc, "missing header %p %p %p, muxing into container "
876 "formats may be broken", marker, streaminfo, vorbiscomment);
880 g_value_init (&array, GST_TYPE_ARRAY);
882 /* add marker including STREAMINFO header */
887 /* minus one for the marker that is merged with streaminfo here */
888 num = g_list_length (enc->headers) - 1;
890 buf = gst_buffer_new_and_alloc (13 + GST_BUFFER_SIZE (streaminfo));
891 GST_BUFFER_DATA (buf)[0] = 0x7f;
892 memcpy (GST_BUFFER_DATA (buf) + 1, "FLAC", 4);
893 GST_BUFFER_DATA (buf)[5] = 0x01; /* mapping version major */
894 GST_BUFFER_DATA (buf)[6] = 0x00; /* mapping version minor */
895 GST_BUFFER_DATA (buf)[7] = (num & 0xFF00) >> 8;
896 GST_BUFFER_DATA (buf)[8] = (num & 0x00FF) >> 0;
897 memcpy (GST_BUFFER_DATA (buf) + 9, "fLaC", 4);
898 memcpy (GST_BUFFER_DATA (buf) + 13, GST_BUFFER_DATA (streaminfo),
899 GST_BUFFER_SIZE (streaminfo));
900 notgst_value_array_append_buffer (&array, buf);
901 gst_buffer_unref (buf);
904 /* add VORBISCOMMENT header */
905 notgst_value_array_append_buffer (&array, vorbiscomment);
907 /* add other headers, if there are any */
908 for (l = enc->headers; l != NULL; l = l->next) {
909 if (GST_BUFFER_CAST (l->data) != marker &&
910 GST_BUFFER_CAST (l->data) != streaminfo &&
911 GST_BUFFER_CAST (l->data) != vorbiscomment) {
912 notgst_value_array_append_buffer (&array, GST_BUFFER_CAST (l->data));
916 gst_structure_set_value (gst_caps_get_structure (caps, 0),
917 "streamheader", &array);
918 g_value_unset (&array);
922 gst_pad_set_caps (enc->srcpad, caps);
924 /* push header buffers; update caps, so when we push the first buffer the
925 * negotiated caps will change to caps that include the streamheader field */
926 for (l = enc->headers; l != NULL; l = l->next) {
929 buf = GST_BUFFER (l->data);
930 gst_buffer_set_caps (buf, caps);
931 GST_LOG ("Pushing header buffer, size %u bytes", GST_BUFFER_SIZE (buf));
932 (void) gst_pad_push (enc->srcpad, buf);
935 g_list_free (enc->headers);
938 gst_caps_unref (caps);
942 static FLAC__StreamEncoderWriteStatus
943 gst_flac_enc_write_callback (const FLAC__SeekableStreamEncoder * encoder,
944 const FLAC__byte buffer[], unsigned bytes,
945 unsigned samples, unsigned current_frame, void *client_data)
947 static FLAC__StreamEncoderWriteStatus
948 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
949 const FLAC__byte buffer[], size_t bytes,
950 unsigned samples, unsigned current_frame, void *client_data)
953 GstFlowReturn ret = GST_FLOW_OK;
957 flacenc = GST_FLAC_ENC (client_data);
959 if (flacenc->stopped)
960 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
962 outbuf = gst_buffer_new_and_alloc (bytes);
963 memcpy (GST_BUFFER_DATA (outbuf), buffer, bytes);
965 if (samples > 0 && flacenc->samples_written != (guint64) - 1) {
968 GST_BUFFER_TIMESTAMP (outbuf) = flacenc->start_ts +
969 GST_FRAMES_TO_CLOCK_TIME (flacenc->samples_written,
970 flacenc->sample_rate);
971 GST_BUFFER_DURATION (outbuf) =
972 GST_FRAMES_TO_CLOCK_TIME (samples, flacenc->sample_rate);
973 /* offset_end = granulepos for ogg muxer */
975 flacenc->granulepos_offset + flacenc->samples_written + samples;
976 GST_BUFFER_OFFSET_END (outbuf) = granulepos;
977 /* offset = timestamp corresponding to granulepos for ogg muxer
978 * (see vorbisenc for a much more elaborate version of this) */
979 GST_BUFFER_OFFSET (outbuf) =
980 GST_FRAMES_TO_CLOCK_TIME (granulepos, flacenc->sample_rate);
982 GST_BUFFER_TIMESTAMP (outbuf) = GST_CLOCK_TIME_NONE;
983 GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
984 GST_BUFFER_OFFSET (outbuf) =
985 flacenc->samples_written * flacenc->width * flacenc->channels;
986 GST_BUFFER_OFFSET_END (outbuf) = 0;
987 GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_IN_CAPS);
990 /* we assume libflac passes us stuff neatly framed */
991 if (!flacenc->got_headers) {
993 GST_DEBUG_OBJECT (flacenc, "Got header, queueing (%u bytes)", bytes);
994 flacenc->headers = g_list_append (flacenc->headers, outbuf);
995 /* note: it's important that we increase our byte offset */
998 GST_INFO_OBJECT (flacenc, "Non-header packet, we have all headers now");
999 gst_flac_enc_process_stream_headers (flacenc);
1000 flacenc->got_headers = TRUE;
1002 } else if (flacenc->got_headers && samples == 0) {
1003 GST_WARNING_OBJECT (flacenc, "Got header packet after data packets");
1006 GST_LOG ("Pushing buffer: ts=%" GST_TIME_FORMAT ", samples=%u, size=%u, "
1007 "pos=%" G_GUINT64_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
1008 samples, bytes, flacenc->offset);
1010 gst_buffer_set_caps (outbuf, GST_PAD_CAPS (flacenc->srcpad));
1011 ret = gst_pad_push (flacenc->srcpad, outbuf);
1013 if (ret != GST_FLOW_OK)
1014 GST_DEBUG_OBJECT (flacenc, "flow: %s", gst_flow_get_name (ret));
1016 flacenc->last_flow = ret;
1020 flacenc->offset += bytes;
1021 flacenc->samples_written += samples;
1023 if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED)
1024 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1026 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1030 static FLAC__SeekableStreamEncoderTellStatus
1031 gst_flac_enc_tell_callback (const FLAC__SeekableStreamEncoder * encoder,
1032 FLAC__uint64 * absolute_byte_offset, void *client_data)
1034 static FLAC__StreamEncoderTellStatus
1035 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
1036 FLAC__uint64 * absolute_byte_offset, void *client_data)
1039 GstFlacEnc *flacenc = GST_FLAC_ENC (client_data);
1041 *absolute_byte_offset = flacenc->offset;
1044 return FLAC__SEEKABLE_STREAM_ENCODER_TELL_STATUS_OK;
1046 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
1051 gst_flac_enc_sink_event (GstPad * pad, GstEvent * event)
1053 GstFlacEnc *flacenc;
1054 GstTagList *taglist;
1055 gboolean ret = TRUE;
1057 flacenc = GST_FLAC_ENC (gst_pad_get_parent (pad));
1059 GST_DEBUG ("Received %s event on sinkpad", GST_EVENT_TYPE_NAME (event));
1061 switch (GST_EVENT_TYPE (event)) {
1062 case GST_EVENT_NEWSEGMENT:{
1064 gint64 start, stream_time;
1066 if (flacenc->offset == 0) {
1067 gst_event_parse_new_segment (event, NULL, NULL, &format, &start, NULL,
1073 if (flacenc->offset > 0)
1074 GST_DEBUG ("Not handling mid-stream newsegment event");
1076 GST_DEBUG ("Not handling newsegment event with non-zero start");
1078 GstEvent *e = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
1081 ret = gst_pad_push_event (flacenc->srcpad, e);
1083 if (stream_time != 0) {
1084 GST_DEBUG ("Not handling non-zero stream time");
1086 gst_event_unref (event);
1087 /* don't push it downstream, we'll generate our own via seek to 0 */
1092 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
1094 FLAC__stream_encoder_finish (flacenc->encoder);
1096 ret = gst_pad_event_default (pad, event);
1099 if (flacenc->tags) {
1100 gst_event_parse_tag (event, &taglist);
1101 gst_tag_list_insert (flacenc->tags, taglist, GST_TAG_MERGE_REPLACE);
1103 g_assert_not_reached ();
1105 ret = gst_pad_event_default (pad, event);
1108 ret = gst_pad_event_default (pad, event);
1112 gst_object_unref (flacenc);
1118 gst_flac_enc_check_discont (GstFlacEnc * flacenc, GstClockTime expected,
1119 GstClockTime timestamp)
1121 guint allowed_diff = GST_SECOND / flacenc->sample_rate / 2;
1123 if ((timestamp + allowed_diff < expected)
1124 || (timestamp > expected + allowed_diff)) {
1125 GST_ELEMENT_WARNING (flacenc, STREAM, FORMAT, (NULL),
1126 ("Stream discontinuity detected (wanted %" GST_TIME_FORMAT " got %"
1127 GST_TIME_FORMAT "). The output will have wrong timestamps,"
1128 " consider using audiorate to handle discontinuities",
1129 GST_TIME_ARGS (expected), GST_TIME_ARGS (timestamp)));
1133 /* TODO: Do something to handle discontinuities in the stream. The FLAC encoder
1134 * unfortunately doesn't have any way to flush it's internal buffers */
1139 static GstFlowReturn
1140 gst_flac_enc_chain (GstPad * pad, GstBuffer * buffer)
1142 GstFlacEnc *flacenc;
1145 gint samples, width;
1149 flacenc = GST_FLAC_ENC (GST_PAD_PARENT (pad));
1151 /* make sure setcaps has been called and the encoder is set up */
1152 if (G_UNLIKELY (flacenc->depth == 0))
1153 return GST_FLOW_NOT_NEGOTIATED;
1155 width = flacenc->width;
1157 /* Save the timestamp of the first buffer. This will be later
1158 * used as offset for all following buffers */
1159 if (flacenc->start_ts == GST_CLOCK_TIME_NONE) {
1160 if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
1161 flacenc->start_ts = GST_BUFFER_TIMESTAMP (buffer);
1162 flacenc->granulepos_offset = gst_util_uint64_scale
1163 (GST_BUFFER_TIMESTAMP (buffer), flacenc->sample_rate, GST_SECOND);
1165 flacenc->start_ts = 0;
1166 flacenc->granulepos_offset = 0;
1170 /* Check if we have a continous stream, if not drop some samples or the buffer or
1171 * insert some silence samples */
1172 if (flacenc->next_ts != GST_CLOCK_TIME_NONE
1173 && GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
1174 gst_flac_enc_check_discont (flacenc, flacenc->next_ts,
1175 GST_BUFFER_TIMESTAMP (buffer));
1178 if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)
1179 && GST_BUFFER_DURATION_IS_VALID (buffer))
1181 GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer);
1183 flacenc->next_ts = GST_CLOCK_TIME_NONE;
1185 insize = GST_BUFFER_SIZE (buffer);
1186 samples = insize / (width >> 3);
1188 data = g_malloc (samples * sizeof (FLAC__int32));
1191 gint8 *indata = (gint8 *) GST_BUFFER_DATA (buffer);
1193 for (i = 0; i < samples; i++)
1194 data[i] = (FLAC__int32) indata[i];
1195 } else if (width == 16) {
1196 gint16 *indata = (gint16 *) GST_BUFFER_DATA (buffer);
1198 for (i = 0; i < samples; i++)
1199 data[i] = (FLAC__int32) indata[i];
1200 } else if (width == 32) {
1201 gint32 *indata = (gint32 *) GST_BUFFER_DATA (buffer);
1203 for (i = 0; i < samples; i++)
1204 data[i] = (FLAC__int32) indata[i];
1206 g_assert_not_reached ();
1209 gst_buffer_unref (buffer);
1212 res = FLAC__seekable_stream_encoder_process_interleaved (flacenc->encoder,
1213 (const FLAC__int32 *) data, samples / flacenc->channels);
1215 res = FLAC__stream_encoder_process_interleaved (flacenc->encoder,
1216 (const FLAC__int32 *) data, samples / flacenc->channels);
1222 if (flacenc->last_flow == GST_FLOW_OK)
1223 return GST_FLOW_ERROR;
1225 return flacenc->last_flow;
1232 gst_flac_enc_set_property (GObject * object, guint prop_id,
1233 const GValue * value, GParamSpec * pspec)
1235 GstFlacEnc *this = GST_FLAC_ENC (object);
1237 GST_OBJECT_LOCK (this);
1241 gst_flac_enc_update_quality (this, g_value_get_enum (value));
1243 case PROP_STREAMABLE_SUBSET:
1245 FLAC__seekable_stream_encoder_set_streamable_subset (this->encoder,
1246 g_value_get_boolean (value));
1248 FLAC__stream_encoder_set_streamable_subset (this->encoder,
1249 g_value_get_boolean (value));
1252 case PROP_MID_SIDE_STEREO:
1254 FLAC__seekable_stream_encoder_set_do_mid_side_stereo (this->encoder,
1255 g_value_get_boolean (value));
1257 FLAC__stream_encoder_set_do_mid_side_stereo (this->encoder,
1258 g_value_get_boolean (value));
1261 case PROP_LOOSE_MID_SIDE_STEREO:
1263 FLAC__seekable_stream_encoder_set_loose_mid_side_stereo (this->encoder,
1264 g_value_get_boolean (value));
1266 FLAC__stream_encoder_set_loose_mid_side_stereo (this->encoder,
1267 g_value_get_boolean (value));
1270 case PROP_BLOCKSIZE:
1272 FLAC__seekable_stream_encoder_set_blocksize (this->encoder,
1273 g_value_get_uint (value));
1275 FLAC__stream_encoder_set_blocksize (this->encoder,
1276 g_value_get_uint (value));
1279 case PROP_MAX_LPC_ORDER:
1281 FLAC__seekable_stream_encoder_set_max_lpc_order (this->encoder,
1282 g_value_get_uint (value));
1284 FLAC__stream_encoder_set_max_lpc_order (this->encoder,
1285 g_value_get_uint (value));
1288 case PROP_QLP_COEFF_PRECISION:
1290 FLAC__seekable_stream_encoder_set_qlp_coeff_precision (this->encoder,
1291 g_value_get_uint (value));
1293 FLAC__stream_encoder_set_qlp_coeff_precision (this->encoder,
1294 g_value_get_uint (value));
1297 case PROP_QLP_COEFF_PREC_SEARCH:
1299 FLAC__seekable_stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1300 g_value_get_boolean (value));
1302 FLAC__stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1303 g_value_get_boolean (value));
1306 case PROP_ESCAPE_CODING:
1308 FLAC__seekable_stream_encoder_set_do_escape_coding (this->encoder,
1309 g_value_get_boolean (value));
1311 FLAC__stream_encoder_set_do_escape_coding (this->encoder,
1312 g_value_get_boolean (value));
1315 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1317 FLAC__seekable_stream_encoder_set_do_exhaustive_model_search
1318 (this->encoder, g_value_get_boolean (value));
1320 FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
1321 g_value_get_boolean (value));
1324 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1326 FLAC__seekable_stream_encoder_set_min_residual_partition_order
1327 (this->encoder, g_value_get_uint (value));
1329 FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
1330 g_value_get_uint (value));
1333 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1335 FLAC__seekable_stream_encoder_set_max_residual_partition_order
1336 (this->encoder, g_value_get_uint (value));
1338 FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
1339 g_value_get_uint (value));
1342 case PROP_RICE_PARAMETER_SEARCH_DIST:
1344 FLAC__seekable_stream_encoder_set_rice_parameter_search_dist
1345 (this->encoder, g_value_get_uint (value));
1347 FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
1348 g_value_get_uint (value));
1352 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1356 GST_OBJECT_UNLOCK (this);
1360 gst_flac_enc_get_property (GObject * object, guint prop_id,
1361 GValue * value, GParamSpec * pspec)
1363 GstFlacEnc *this = GST_FLAC_ENC (object);
1365 GST_OBJECT_LOCK (this);
1369 g_value_set_enum (value, this->quality);
1371 case PROP_STREAMABLE_SUBSET:
1373 g_value_set_boolean (value,
1374 FLAC__seekable_stream_encoder_get_streamable_subset (this->encoder));
1376 g_value_set_boolean (value,
1377 FLAC__stream_encoder_get_streamable_subset (this->encoder));
1380 case PROP_MID_SIDE_STEREO:
1382 g_value_set_boolean (value,
1383 FLAC__seekable_stream_encoder_get_do_mid_side_stereo (this->encoder));
1385 g_value_set_boolean (value,
1386 FLAC__stream_encoder_get_do_mid_side_stereo (this->encoder));
1389 case PROP_LOOSE_MID_SIDE_STEREO:
1391 g_value_set_boolean (value,
1392 FLAC__seekable_stream_encoder_get_loose_mid_side_stereo
1395 g_value_set_boolean (value,
1396 FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
1399 case PROP_BLOCKSIZE:
1401 g_value_set_uint (value,
1402 FLAC__seekable_stream_encoder_get_blocksize (this->encoder));
1404 g_value_set_uint (value,
1405 FLAC__stream_encoder_get_blocksize (this->encoder));
1408 case PROP_MAX_LPC_ORDER:
1410 g_value_set_uint (value,
1411 FLAC__seekable_stream_encoder_get_max_lpc_order (this->encoder));
1413 g_value_set_uint (value,
1414 FLAC__stream_encoder_get_max_lpc_order (this->encoder));
1417 case PROP_QLP_COEFF_PRECISION:
1419 g_value_set_uint (value,
1420 FLAC__seekable_stream_encoder_get_qlp_coeff_precision
1423 g_value_set_uint (value,
1424 FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
1427 case PROP_QLP_COEFF_PREC_SEARCH:
1429 g_value_set_boolean (value,
1430 FLAC__seekable_stream_encoder_get_do_qlp_coeff_prec_search
1433 g_value_set_boolean (value,
1434 FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
1437 case PROP_ESCAPE_CODING:
1439 g_value_set_boolean (value,
1440 FLAC__seekable_stream_encoder_get_do_escape_coding (this->encoder));
1442 g_value_set_boolean (value,
1443 FLAC__stream_encoder_get_do_escape_coding (this->encoder));
1446 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1448 g_value_set_boolean (value,
1449 FLAC__seekable_stream_encoder_get_do_exhaustive_model_search
1452 g_value_set_boolean (value,
1453 FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
1456 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1458 g_value_set_uint (value,
1459 FLAC__seekable_stream_encoder_get_min_residual_partition_order
1462 g_value_set_uint (value,
1463 FLAC__stream_encoder_get_min_residual_partition_order
1467 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1469 g_value_set_uint (value,
1470 FLAC__seekable_stream_encoder_get_max_residual_partition_order
1473 g_value_set_uint (value,
1474 FLAC__stream_encoder_get_max_residual_partition_order
1478 case PROP_RICE_PARAMETER_SEARCH_DIST:
1480 g_value_set_uint (value,
1481 FLAC__seekable_stream_encoder_get_rice_parameter_search_dist
1484 g_value_set_uint (value,
1485 FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
1489 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1493 GST_OBJECT_UNLOCK (this);
1496 static GstStateChangeReturn
1497 gst_flac_enc_change_state (GstElement * element, GstStateChange transition)
1499 GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
1500 GstFlacEnc *flacenc = GST_FLAC_ENC (element);
1502 switch (transition) {
1503 case GST_STATE_CHANGE_NULL_TO_READY:
1504 case GST_STATE_CHANGE_READY_TO_PAUSED:
1505 flacenc->stopped = FALSE;
1506 flacenc->start_ts = GST_CLOCK_TIME_NONE;
1507 flacenc->next_ts = GST_CLOCK_TIME_NONE;
1508 flacenc->granulepos_offset = 0;
1510 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1515 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1517 switch (transition) {
1518 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1520 case GST_STATE_CHANGE_PAUSED_TO_READY:
1522 if (FLAC__seekable_stream_encoder_get_state (flacenc->encoder) !=
1523 FLAC__STREAM_ENCODER_UNINITIALIZED) {
1524 flacenc->stopped = TRUE;
1525 FLAC__seekable_stream_encoder_finish (flacenc->encoder);
1528 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
1529 FLAC__STREAM_ENCODER_UNINITIALIZED) {
1530 flacenc->stopped = TRUE;
1531 FLAC__stream_encoder_finish (flacenc->encoder);
1534 flacenc->offset = 0;
1535 flacenc->samples_written = 0;
1536 flacenc->channels = 0;
1538 flacenc->sample_rate = 0;
1539 if (flacenc->meta) {
1540 FLAC__metadata_object_delete (flacenc->meta[0]);
1541 g_free (flacenc->meta);
1542 flacenc->meta = NULL;
1544 g_list_foreach (flacenc->headers, (GFunc) gst_mini_object_unref, NULL);
1545 g_list_free (flacenc->headers);
1546 flacenc->headers = NULL;
1547 flacenc->got_headers = FALSE;
1548 flacenc->last_flow = GST_FLOW_OK;
1550 case GST_STATE_CHANGE_READY_TO_NULL: