1 /* GStreamer
2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3 *
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.
8 *
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.
13 *
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., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19 /**
20 * SECTION:element-flacenc
21 * @title: flacenc
22 * @see_also: #GstFlacDec
23 *
24 * flacenc encodes FLAC streams.
25 * [FLAC](http://flac.sourceforge.net/) is a Free Lossless Audio Codec.
26 * FLAC audio can directly be written into a file, or embedded into containers
27 * such as oggmux or matroskamux.
28 *
29 * ## Example launch line
30 * |[
31 * gst-launch-1.0 audiotestsrc num-buffers=100 ! flacenc ! filesink location=beep.flac
32 * ]| Encode a short sine wave into FLAC
33 * |[
34 * gst-launch-1.0 cdparanoiasrc mode=continuous ! queue ! audioconvert ! flacenc ! filesink location=cd.flac
35 * ]| Rip a whole audio CD into a single FLAC file, with the track table saved as a CUE sheet inside the FLAC file
36 * |[
37 * gst-launch-1.0 cdparanoiasrc track=5 ! queue ! audioconvert ! flacenc ! filesink location=track5.flac
38 * ]| Rip track 5 of an audio CD and encode it losslessly to a FLAC file
39 *
40 */
41
42 /* TODO: - We currently don't handle discontinuities in the stream in a useful
43 * way and instead rely on the developer plugging in audiorate if
44 * the stream contains discontinuities.
45 */
46
47 #ifdef HAVE_CONFIG_H
48 #include "config.h"
49 #endif
50 #include <stdlib.h>
51 #include <string.h>
52
53 #include <gstflacenc.h>
54 #include <gst/audio/audio.h>
55 #include <gst/tag/tag.h>
56 #include <gst/gsttagsetter.h>
57
58 #include "gstflacelements.h"
59
60 /* Taken from http://flac.sourceforge.net/format.html#frame_header */
61 static const GstAudioChannelPosition channel_positions[8][8] = {
62 {GST_AUDIO_CHANNEL_POSITION_MONO},
63 {GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
64 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
65 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
66 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
67 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
68 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
69 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
70 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
71 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
72 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
73 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
74 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
75 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
76 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
77 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
78 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
79 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
80 GST_AUDIO_CHANNEL_POSITION_LFE1,
81 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
82 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
83 /* FIXME: 7/8 channel layouts are not defined in the FLAC specs */
84 {
85 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
86 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
87 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
88 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
89 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
90 GST_AUDIO_CHANNEL_POSITION_LFE1,
91 GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
92 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
93 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
94 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
95 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
96 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
97 GST_AUDIO_CHANNEL_POSITION_LFE1,
98 GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
99 GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
100 };
101
102 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
103 GST_PAD_SRC,
104 GST_PAD_ALWAYS,
105 GST_STATIC_CAPS ("audio/x-flac")
106 );
107
108 enum
109 {
110 PROP_0,
111 PROP_QUALITY,
112 PROP_STREAMABLE_SUBSET,
113 PROP_MID_SIDE_STEREO,
114 PROP_LOOSE_MID_SIDE_STEREO,
115 PROP_BLOCKSIZE,
116 PROP_MAX_LPC_ORDER,
117 PROP_QLP_COEFF_PRECISION,
118 PROP_QLP_COEFF_PREC_SEARCH,
119 PROP_ESCAPE_CODING,
120 PROP_EXHAUSTIVE_MODEL_SEARCH,
121 PROP_MIN_RESIDUAL_PARTITION_ORDER,
122 PROP_MAX_RESIDUAL_PARTITION_ORDER,
123 PROP_RICE_PARAMETER_SEARCH_DIST,
124 PROP_PADDING,
125 PROP_SEEKPOINTS
126 };
127
128 GST_DEBUG_CATEGORY_STATIC (flacenc_debug);
129 #define GST_CAT_DEFAULT flacenc_debug
130
131 #define gst_flac_enc_parent_class parent_class
132 G_DEFINE_TYPE_WITH_CODE (GstFlacEnc, gst_flac_enc, GST_TYPE_AUDIO_ENCODER,
133 G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL)
134 G_IMPLEMENT_INTERFACE (GST_TYPE_TOC_SETTER, NULL)
135 );
136 GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (flacenc, "flacenc", GST_RANK_PRIMARY,
137 GST_TYPE_FLAC_ENC, flac_element_init (plugin));
138
139 static gboolean gst_flac_enc_start (GstAudioEncoder * enc);
140 static gboolean gst_flac_enc_stop (GstAudioEncoder * enc);
141 static gboolean gst_flac_enc_set_format (GstAudioEncoder * enc,
142 GstAudioInfo * info);
143 static GstFlowReturn gst_flac_enc_handle_frame (GstAudioEncoder * enc,
144 GstBuffer * in_buf);
145 static GstCaps *gst_flac_enc_getcaps (GstAudioEncoder * enc, GstCaps * filter);
146 static gboolean gst_flac_enc_sink_event (GstAudioEncoder * enc,
147 GstEvent * event);
148 static gboolean gst_flac_enc_sink_query (GstAudioEncoder * enc,
149 GstQuery * query);
150
151 static void gst_flac_enc_finalize (GObject * object);
152
153 static GstCaps *gst_flac_enc_generate_sink_caps (void);
154
155 static gboolean gst_flac_enc_update_quality (GstFlacEnc * flacenc,
156 gint quality);
157 static void gst_flac_enc_set_property (GObject * object, guint prop_id,
158 const GValue * value, GParamSpec * pspec);
159 static void gst_flac_enc_get_property (GObject * object, guint prop_id,
160 GValue * value, GParamSpec * pspec);
161
162 static FLAC__StreamEncoderWriteStatus
163 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
164 const FLAC__byte buffer[], size_t bytes,
165 unsigned samples, unsigned current_frame, void *client_data);
166 static FLAC__StreamEncoderSeekStatus
167 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
168 FLAC__uint64 absolute_byte_offset, void *client_data);
169 static FLAC__StreamEncoderTellStatus
170 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
171 FLAC__uint64 * absolute_byte_offset, void *client_data);
172
173 typedef struct
174 {
175 gboolean exhaustive_model_search;
176 gboolean escape_coding;
177 gboolean mid_side;
178 gboolean loose_mid_side;
179 guint qlp_coeff_precision;
180 gboolean qlp_coeff_prec_search;
181 guint min_residual_partition_order;
182 guint max_residual_partition_order;
183 guint rice_parameter_search_dist;
184 guint max_lpc_order;
185 guint blocksize;
186 }
187 GstFlacEncParams;
188
189 static const GstFlacEncParams flacenc_params[] = {
190 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
191 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
192 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
193 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
194 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
195 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
196 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
197 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
198 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
199 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
200 };
201
202 #define DEFAULT_QUALITY 5
203 #define DEFAULT_PADDING 0
204 #define DEFAULT_SEEKPOINTS -10
205
206 #define GST_TYPE_FLAC_ENC_QUALITY (gst_flac_enc_quality_get_type ())
207 static GType
gst_flac_enc_quality_get_type(void)208 gst_flac_enc_quality_get_type (void)
209 {
210 static GType qtype = 0;
211
212 if (qtype == 0) {
213 static const GEnumValue values[] = {
214 {0, "0 - Fastest compression", "0"},
215 {1, "1", "1"},
216 {2, "2", "2"},
217 {3, "3", "3"},
218 {4, "4", "4"},
219 {5, "5 - Default", "5"},
220 {6, "6", "6"},
221 {7, "7", "7"},
222 {8, "8 - Highest compression", "8"},
223 {9, "9 - Insane", "9"},
224 {0, NULL, NULL}
225 };
226
227 qtype = g_enum_register_static ("GstFlacEncQuality", values);
228 }
229 return qtype;
230 }
231
232 static void
gst_flac_enc_class_init(GstFlacEncClass * klass)233 gst_flac_enc_class_init (GstFlacEncClass * klass)
234 {
235 GObjectClass *gobject_class;
236 GstElementClass *gstelement_class;
237 GstAudioEncoderClass *base_class;
238 GstCaps *sink_caps;
239 GstPadTemplate *sink_templ;
240
241 gobject_class = (GObjectClass *) klass;
242 gstelement_class = (GstElementClass *) klass;
243 base_class = (GstAudioEncoderClass *) (klass);
244
245 GST_DEBUG_CATEGORY_INIT (flacenc_debug, "flacenc", 0,
246 "Flac encoding element");
247
248 gobject_class->set_property = gst_flac_enc_set_property;
249 gobject_class->get_property = gst_flac_enc_get_property;
250 gobject_class->finalize = gst_flac_enc_finalize;
251
252 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
253 g_param_spec_enum ("quality",
254 "Quality",
255 "Speed versus compression tradeoff",
256 GST_TYPE_FLAC_ENC_QUALITY, DEFAULT_QUALITY,
257 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
258 g_object_class_install_property (G_OBJECT_CLASS (klass),
259 PROP_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable-subset",
260 "Streamable subset",
261 "true to limit encoder to generating a Subset stream, else false",
262 TRUE,
263 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
264 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MID_SIDE_STEREO,
265 g_param_spec_boolean ("mid-side-stereo", "Do mid side stereo",
266 "Do mid side stereo (only for stereo input)",
267 flacenc_params[DEFAULT_QUALITY].mid_side,
268 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
269 g_object_class_install_property (G_OBJECT_CLASS (klass),
270 PROP_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose-mid-side-stereo",
271 "Loose mid side stereo", "Loose mid side stereo",
272 flacenc_params[DEFAULT_QUALITY].loose_mid_side,
273 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
274 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
275 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
276 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
277 flacenc_params[DEFAULT_QUALITY].blocksize,
278 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
279 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_LPC_ORDER,
280 g_param_spec_uint ("max-lpc-order", "Max LPC order",
281 "Max LPC order; 0 => use only fixed predictors", 0,
282 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
283 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
284 g_object_class_install_property (G_OBJECT_CLASS (klass),
285 PROP_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp-coeff-precision",
286 "QLP coefficients precision",
287 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
288 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
289 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
290 g_object_class_install_property (G_OBJECT_CLASS (klass),
291 PROP_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp-coeff-prec-search",
292 "Do QLP coefficients precision search",
293 "false = use qlp_coeff_precision, "
294 "true = search around qlp_coeff_precision, take best",
295 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
296 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
297 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ESCAPE_CODING,
298 g_param_spec_boolean ("escape-coding", "Do Escape coding",
299 "search for escape codes in the entropy coding stage "
300 "for slightly better compression",
301 flacenc_params[DEFAULT_QUALITY].escape_coding,
302 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
303 g_object_class_install_property (G_OBJECT_CLASS (klass),
304 PROP_EXHAUSTIVE_MODEL_SEARCH,
305 g_param_spec_boolean ("exhaustive-model-search",
306 "Do exhaustive model search",
307 "do exhaustive search of LP coefficient quantization (expensive!)",
308 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
309 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
310 g_object_class_install_property (G_OBJECT_CLASS (klass),
311 PROP_MIN_RESIDUAL_PARTITION_ORDER,
312 g_param_spec_uint ("min-residual-partition-order",
313 "Min residual partition order",
314 "Min residual partition order (above 4 doesn't usually help much)", 0,
315 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
316 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
317 g_object_class_install_property (G_OBJECT_CLASS (klass),
318 PROP_MAX_RESIDUAL_PARTITION_ORDER,
319 g_param_spec_uint ("max-residual-partition-order",
320 "Max residual partition order",
321 "Max residual partition order (above 4 doesn't usually help much)", 0,
322 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
323 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
324 g_object_class_install_property (G_OBJECT_CLASS (klass),
325 PROP_RICE_PARAMETER_SEARCH_DIST,
326 g_param_spec_uint ("rice-parameter-search-dist",
327 "rice_parameter_search_dist",
328 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
329 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
330 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
331 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
332 g_object_class_install_property (G_OBJECT_CLASS (klass),
333 PROP_PADDING,
334 g_param_spec_uint ("padding",
335 "Padding",
336 "Write a PADDING block with this length in bytes", 0, G_MAXUINT,
337 DEFAULT_PADDING,
338 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
339 g_object_class_install_property (G_OBJECT_CLASS (klass),
340 PROP_SEEKPOINTS,
341 g_param_spec_int ("seekpoints",
342 "Seekpoints",
343 "Add SEEKTABLE metadata (if > 0, number of entries, if < 0, interval in sec)",
344 -G_MAXINT, G_MAXINT,
345 DEFAULT_SEEKPOINTS,
346 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
347
348 gst_element_class_add_static_pad_template (gstelement_class, &src_factory);
349
350 sink_caps = gst_flac_enc_generate_sink_caps ();
351 sink_templ = gst_pad_template_new ("sink",
352 GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps);
353 gst_element_class_add_pad_template (gstelement_class, sink_templ);
354 gst_caps_unref (sink_caps);
355
356 gst_element_class_set_static_metadata (gstelement_class, "FLAC audio encoder",
357 "Codec/Encoder/Audio",
358 "Encodes audio with the FLAC lossless audio encoder",
359 "Wim Taymans <wim.taymans@chello.be>");
360
361 base_class->start = GST_DEBUG_FUNCPTR (gst_flac_enc_start);
362 base_class->stop = GST_DEBUG_FUNCPTR (gst_flac_enc_stop);
363 base_class->set_format = GST_DEBUG_FUNCPTR (gst_flac_enc_set_format);
364 base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_flac_enc_handle_frame);
365 base_class->getcaps = GST_DEBUG_FUNCPTR (gst_flac_enc_getcaps);
366 base_class->sink_event = GST_DEBUG_FUNCPTR (gst_flac_enc_sink_event);
367 base_class->sink_query = GST_DEBUG_FUNCPTR (gst_flac_enc_sink_query);
368
369 gst_type_mark_as_plugin_api (GST_TYPE_FLAC_ENC_QUALITY, 0);
370 }
371
372 static void
gst_flac_enc_init(GstFlacEnc * flacenc)373 gst_flac_enc_init (GstFlacEnc * flacenc)
374 {
375 GstAudioEncoder *enc = GST_AUDIO_ENCODER (flacenc);
376
377 flacenc->encoder = FLAC__stream_encoder_new ();
378 gst_flac_enc_update_quality (flacenc, DEFAULT_QUALITY);
379
380 /* arrange granulepos marking (and required perfect ts) */
381 gst_audio_encoder_set_mark_granule (enc, TRUE);
382 gst_audio_encoder_set_perfect_timestamp (enc, TRUE);
383 }
384
385 static void
gst_flac_enc_finalize(GObject * object)386 gst_flac_enc_finalize (GObject * object)
387 {
388 GstFlacEnc *flacenc = GST_FLAC_ENC (object);
389
390 FLAC__stream_encoder_delete (flacenc->encoder);
391
392 G_OBJECT_CLASS (parent_class)->finalize (object);
393 }
394
395 static gboolean
gst_flac_enc_start(GstAudioEncoder * enc)396 gst_flac_enc_start (GstAudioEncoder * enc)
397 {
398 GstFlacEnc *flacenc = GST_FLAC_ENC (enc);
399
400 GST_DEBUG_OBJECT (enc, "start");
401 flacenc->stopped = TRUE;
402 flacenc->got_headers = FALSE;
403 flacenc->last_flow = GST_FLOW_OK;
404 flacenc->offset = 0;
405 flacenc->eos = FALSE;
406 flacenc->tags = gst_tag_list_new_empty ();
407 flacenc->toc = NULL;
408 flacenc->samples_in = 0;
409 flacenc->samples_out = 0;
410
411 return TRUE;
412 }
413
414 static gboolean
gst_flac_enc_stop(GstAudioEncoder * enc)415 gst_flac_enc_stop (GstAudioEncoder * enc)
416 {
417 GstFlacEnc *flacenc = GST_FLAC_ENC (enc);
418
419 GST_DEBUG_OBJECT (enc, "stop");
420 gst_tag_list_unref (flacenc->tags);
421 flacenc->tags = NULL;
422 if (flacenc->toc)
423 gst_toc_unref (flacenc->toc);
424 flacenc->toc = NULL;
425 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
426 FLAC__STREAM_ENCODER_UNINITIALIZED) {
427 flacenc->stopped = TRUE;
428 FLAC__stream_encoder_finish (flacenc->encoder);
429 }
430 if (flacenc->meta) {
431 FLAC__metadata_object_delete (flacenc->meta[0]);
432
433 if (flacenc->meta[1])
434 FLAC__metadata_object_delete (flacenc->meta[1]);
435
436 if (flacenc->meta[2])
437 FLAC__metadata_object_delete (flacenc->meta[2]);
438
439 if (flacenc->meta[3])
440 FLAC__metadata_object_delete (flacenc->meta[3]);
441
442 g_free (flacenc->meta);
443 flacenc->meta = NULL;
444 }
445 g_list_foreach (flacenc->headers, (GFunc) gst_mini_object_unref, NULL);
446 g_list_free (flacenc->headers);
447 flacenc->headers = NULL;
448
449 gst_tag_setter_reset_tags (GST_TAG_SETTER (enc));
450 gst_toc_setter_reset (GST_TOC_SETTER (enc));
451
452 return TRUE;
453 }
454
455 static void
add_one_tag(const GstTagList * list,const gchar * tag,gpointer user_data)456 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
457 {
458 GList *comments;
459 GList *it;
460 GstFlacEnc *flacenc = GST_FLAC_ENC (user_data);
461
462 /* IMAGE and PREVIEW_IMAGE tags are already written
463 * differently, no need to store them inside the
464 * vorbiscomments too */
465 if (strcmp (tag, GST_TAG_IMAGE) == 0
466 || strcmp (tag, GST_TAG_PREVIEW_IMAGE) == 0)
467 return;
468
469 comments = gst_tag_to_vorbis_comments (list, tag);
470 for (it = comments; it != NULL; it = it->next) {
471 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
472
473 commment_entry.length = strlen (it->data);
474 commment_entry.entry = it->data;
475 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
476 flacenc->meta[0]->data.vorbis_comment.num_comments,
477 commment_entry, TRUE);
478 g_free (it->data);
479 }
480 g_list_free (comments);
481 }
482
483 static gboolean
add_cuesheet(const GstToc * toc,guint sample_rate,FLAC__StreamMetadata * cuesheet)484 add_cuesheet (const GstToc * toc, guint sample_rate,
485 FLAC__StreamMetadata * cuesheet)
486 {
487 gint8 track_num = 0;
488 gint64 start, stop;
489 gchar *isrc = NULL;
490 const gchar *is_legal;
491 GList *list;
492 GstTagList *tags;
493 GstTocEntry *entry, *subentry = NULL;
494 FLAC__StreamMetadata_CueSheet *cs;
495 FLAC__StreamMetadata_CueSheet_Track *track;
496
497 cs = &cuesheet->data.cue_sheet;
498 if (!cs)
499 return FALSE;
500
501 /* check if the TOC entries is valid */
502 list = gst_toc_get_entries (toc);
503 entry = list->data;
504 if (gst_toc_entry_is_alternative (entry)) {
505 list = gst_toc_entry_get_sub_entries (entry);
506 while (list) {
507 subentry = list->data;
508 if (!gst_toc_entry_is_sequence (subentry))
509 return FALSE;
510 list = g_list_next (list);
511 }
512 list = gst_toc_entry_get_sub_entries (entry);
513 }
514 if (gst_toc_entry_is_sequence (entry)) {
515 while (list) {
516 entry = list->data;
517 if (!gst_toc_entry_is_sequence (entry))
518 return FALSE;
519 list = g_list_next (list);
520 }
521 list = gst_toc_get_entries (toc);
522 }
523
524 /* add tracks in cuesheet */
525 while (list) {
526 entry = list->data;
527 gst_toc_entry_get_start_stop_times (entry, &start, &stop);
528 tags = gst_toc_entry_get_tags (entry);
529 if (tags)
530 gst_tag_list_get_string (tags, GST_TAG_ISRC, &isrc);
531 track = FLAC__metadata_object_cuesheet_track_new ();
532 track->offset =
533 (FLAC__uint64) gst_util_uint64_scale_round (start, sample_rate,
534 GST_SECOND);
535 track->number = (FLAC__byte) track_num + 1;
536 if (isrc != NULL && strlen (isrc) <= 12)
537 g_strlcpy (track->isrc, isrc, 13);
538 if (track->number <= 0)
539 return FALSE;
540 if (!FLAC__metadata_object_cuesheet_insert_track (cuesheet, track_num,
541 track, FALSE))
542 return FALSE;
543 if (!FLAC__metadata_object_cuesheet_track_insert_blank_index (cuesheet,
544 track_num, 0))
545 return FALSE;
546 track_num++;
547 list = g_list_next (list);
548 }
549
550 if (cs->num_tracks <= 0)
551 return FALSE;
552
553 /* add lead-out track in cuesheet */
554 track = FLAC__metadata_object_cuesheet_track_new ();
555 track->offset =
556 (FLAC__uint64) gst_util_uint64_scale_round (stop, sample_rate,
557 GST_SECOND);
558 track->number = 255;
559 if (!FLAC__metadata_object_cuesheet_insert_track (cuesheet, cs->num_tracks,
560 track, FALSE))
561 return FALSE;
562
563 /* check if the cuesheet is valid */
564 if (!FLAC__metadata_object_cuesheet_is_legal (cuesheet, FALSE, &is_legal)) {
565 g_warning ("%s\n", is_legal);
566 return FALSE;
567 }
568
569 return TRUE;
570 }
571
572 static void
gst_flac_enc_set_metadata(GstFlacEnc * flacenc,GstAudioInfo * info,guint64 total_samples)573 gst_flac_enc_set_metadata (GstFlacEnc * flacenc, GstAudioInfo * info,
574 guint64 total_samples)
575 {
576 const GstTagList *user_tags;
577 GstTagList *copy;
578 gint entries = 1;
579 gint n_images, n_preview_images;
580 FLAC__StreamMetadata *cuesheet;
581
582 g_return_if_fail (flacenc != NULL);
583
584 user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (flacenc));
585 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
586 return;
587 }
588 copy = gst_tag_list_merge (user_tags, flacenc->tags,
589 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
590 n_images = gst_tag_list_get_tag_size (copy, GST_TAG_IMAGE);
591 n_preview_images = gst_tag_list_get_tag_size (copy, GST_TAG_PREVIEW_IMAGE);
592
593 flacenc->meta =
594 g_new0 (FLAC__StreamMetadata *, 4 + n_images + n_preview_images);
595
596 flacenc->meta[0] =
597 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
598 gst_tag_list_foreach (copy, add_one_tag, flacenc);
599
600 if (!flacenc->toc)
601 flacenc->toc = gst_toc_setter_get_toc (GST_TOC_SETTER (flacenc));
602
603 if (flacenc->toc) {
604 cuesheet = FLAC__metadata_object_new (FLAC__METADATA_TYPE_CUESHEET);
605 if (add_cuesheet (flacenc->toc, GST_AUDIO_INFO_RATE (info), cuesheet)) {
606 flacenc->meta[entries] = cuesheet;
607 entries++;
608 } else {
609 FLAC__metadata_object_delete (cuesheet);
610 flacenc->meta[entries] = NULL;
611 }
612 }
613
614 if (n_images + n_preview_images > 0) {
615 GstSample *sample;
616 GstBuffer *buffer;
617 GstCaps *caps;
618 const GstStructure *structure;
619 GstTagImageType image_type = GST_TAG_IMAGE_TYPE_NONE;
620 gint i, width = 0, height = 0, png_icon_count = 0, other_icon_count = 0;
621 GstMapInfo map;
622
623 for (i = 0; i < n_images + n_preview_images; i++) {
624 gboolean is_preview_image = (i >= n_images);
625
626 if (i < n_images) {
627 if (!gst_tag_list_get_sample_index (copy, GST_TAG_IMAGE, i, &sample))
628 continue;
629 } else {
630 if (!gst_tag_list_get_sample_index (copy, GST_TAG_PREVIEW_IMAGE,
631 i - n_images, &sample))
632 continue;
633 }
634
635 structure = gst_sample_get_info (sample);
636 caps = gst_sample_get_caps (sample);
637 if (!caps) {
638 GST_FIXME_OBJECT (flacenc, "Image tag without caps");
639 gst_sample_unref (sample);
640 continue;
641 }
642
643 flacenc->meta[entries] =
644 FLAC__metadata_object_new (FLAC__METADATA_TYPE_PICTURE);
645
646 GST_LOG_OBJECT (flacenc, "image info: %" GST_PTR_FORMAT, structure);
647
648 if (structure)
649 gst_structure_get (structure, "image-type", GST_TYPE_TAG_IMAGE_TYPE,
650 &image_type, NULL);
651 else
652 image_type = GST_TAG_IMAGE_TYPE_NONE;
653
654 GST_LOG_OBJECT (flacenc, "image caps: %" GST_PTR_FORMAT, caps);
655
656 structure = gst_caps_get_structure (caps, 0);
657 gst_structure_get (structure, "width", G_TYPE_INT, &width,
658 "height", G_TYPE_INT, &height, NULL);
659
660 /* Convert to ID3v2 APIC image type */
661 if (image_type == GST_TAG_IMAGE_TYPE_NONE) {
662 if (is_preview_image) {
663 /* 1 - 32x32 pixels 'file icon' (PNG only)
664 * 2 - Other file icon
665 * There may only be one each of picture type 1 and 2 in a file. */
666 if (width == 32 && height == 32
667 && gst_structure_has_name (structure, "image/png")
668 && png_icon_count++ == 0) {
669 image_type = 1;
670 } else if (width <= 32 && height <= 32 && other_icon_count++ == 0) {
671 image_type = 2;
672 } else {
673 image_type = 0; /* Other */
674 }
675 } else {
676 image_type = 0; /* Other */
677 }
678 } else {
679 /* GStreamer enum is the same but without the two icon types 1+2 */
680 image_type = image_type + 2;
681 }
682
683 buffer = gst_sample_get_buffer (sample);
684 gst_buffer_map (buffer, &map, GST_MAP_READ);
685 FLAC__metadata_object_picture_set_data (flacenc->meta[entries],
686 map.data, map.size, TRUE);
687 gst_buffer_unmap (buffer, &map);
688
689 GST_LOG_OBJECT (flacenc, "Setting picture type %d", image_type);
690 flacenc->meta[entries]->data.picture.type = image_type;
691
692 if (width > 0 && height > 0) {
693 flacenc->meta[entries]->data.picture.width = width;
694 flacenc->meta[entries]->data.picture.height = height;
695 }
696
697 FLAC__metadata_object_picture_set_mime_type (flacenc->meta[entries],
698 (char *) gst_structure_get_name (structure), TRUE);
699
700 gst_sample_unref (sample);
701 entries++;
702 }
703 }
704
705 if (flacenc->seekpoints && total_samples != GST_CLOCK_TIME_NONE) {
706 gboolean res;
707 guint samples;
708
709 flacenc->meta[entries] =
710 FLAC__metadata_object_new (FLAC__METADATA_TYPE_SEEKTABLE);
711 if (flacenc->seekpoints > 0) {
712 res =
713 FLAC__metadata_object_seektable_template_append_spaced_points
714 (flacenc->meta[entries], flacenc->seekpoints, total_samples);
715 } else {
716 samples = -flacenc->seekpoints * GST_AUDIO_INFO_RATE (info);
717 res =
718 FLAC__metadata_object_seektable_template_append_spaced_points_by_samples
719 (flacenc->meta[entries], samples, total_samples);
720 }
721 if (!res) {
722 GST_DEBUG_OBJECT (flacenc, "adding seekpoint template %d failed",
723 flacenc->seekpoints);
724 FLAC__metadata_object_delete (flacenc->meta[1]);
725 flacenc->meta[entries] = NULL;
726 } else {
727 entries++;
728 }
729 } else if (flacenc->seekpoints && total_samples == GST_CLOCK_TIME_NONE) {
730 GST_WARNING_OBJECT (flacenc, "total time unknown; can not add seekpoints");
731 }
732
733 if (flacenc->padding > 0) {
734 flacenc->meta[entries] =
735 FLAC__metadata_object_new (FLAC__METADATA_TYPE_PADDING);
736 flacenc->meta[entries]->length = flacenc->padding;
737 entries++;
738 }
739
740 if (FLAC__stream_encoder_set_metadata (flacenc->encoder,
741 flacenc->meta, entries) != true)
742 g_warning ("Dude, i'm already initialized!");
743
744 gst_tag_list_unref (copy);
745 }
746
747 static GstCaps *
gst_flac_enc_generate_sink_caps(void)748 gst_flac_enc_generate_sink_caps (void)
749 {
750 GstCaps *ret;
751 gint i;
752 GValue v_list = { 0, };
753 GValue v = { 0, };
754 GstStructure *s, *s2;
755
756 g_value_init (&v_list, GST_TYPE_LIST);
757 g_value_init (&v, G_TYPE_STRING);
758
759 /* Use system's endianness */
760 g_value_set_static_string (&v, "S8");
761 gst_value_list_append_value (&v_list, &v);
762 g_value_set_static_string (&v, GST_AUDIO_NE (S16));
763 gst_value_list_append_value (&v_list, &v);
764 g_value_set_static_string (&v, GST_AUDIO_NE (S24));
765 gst_value_list_append_value (&v_list, &v);
766 g_value_set_static_string (&v, GST_AUDIO_NE (S24_32));
767 gst_value_list_append_value (&v_list, &v);
768 g_value_unset (&v);
769
770 s = gst_structure_new_empty ("audio/x-raw");
771 gst_structure_take_value (s, "format", &v_list);
772
773 gst_structure_set (s, "layout", G_TYPE_STRING, "interleaved",
774 "rate", GST_TYPE_INT_RANGE, 1, 655350, NULL);
775
776 ret = gst_caps_new_empty ();
777 s2 = gst_structure_copy (s);
778 gst_structure_set (s2, "channels", G_TYPE_INT, 1, NULL);
779 gst_caps_append_structure (ret, s2);
780 for (i = 2; i <= 8; i++) {
781 guint64 channel_mask;
782
783 s2 = gst_structure_copy (s);
784 gst_audio_channel_positions_to_mask (channel_positions[i - 1], i,
785 FALSE, &channel_mask);
786 gst_structure_set (s2, "channels", G_TYPE_INT, i, "channel-mask",
787 GST_TYPE_BITMASK, channel_mask, NULL);
788
789 gst_caps_append_structure (ret, s2);
790 }
791 gst_structure_free (s);
792
793 return ret;
794 }
795
796 static GstCaps *
gst_flac_enc_getcaps(GstAudioEncoder * enc,GstCaps * filter)797 gst_flac_enc_getcaps (GstAudioEncoder * enc, GstCaps * filter)
798 {
799 GstCaps *ret = NULL, *caps = NULL;
800 GstPad *pad;
801
802 pad = GST_AUDIO_ENCODER_SINK_PAD (enc);
803
804 ret = gst_pad_get_current_caps (pad);
805 if (ret == NULL) {
806 ret = gst_pad_get_pad_template_caps (pad);
807 }
808
809 GST_DEBUG_OBJECT (pad, "Return caps %" GST_PTR_FORMAT, ret);
810
811 caps = gst_audio_encoder_proxy_getcaps (enc, ret, filter);
812 gst_caps_unref (ret);
813
814 return caps;
815 }
816
817 static guint64
gst_flac_enc_peer_query_total_samples(GstFlacEnc * flacenc,GstPad * pad,GstAudioInfo * info)818 gst_flac_enc_peer_query_total_samples (GstFlacEnc * flacenc, GstPad * pad,
819 GstAudioInfo * info)
820 {
821 gint64 duration;
822
823 GST_DEBUG_OBJECT (flacenc, "querying peer for DEFAULT format duration");
824 if (gst_pad_peer_query_duration (pad, GST_FORMAT_DEFAULT, &duration)
825 && duration != GST_CLOCK_TIME_NONE)
826 goto done;
827
828 GST_DEBUG_OBJECT (flacenc, "querying peer for TIME format duration");
829
830 if (gst_pad_peer_query_duration (pad, GST_FORMAT_TIME, &duration)
831 && duration != GST_CLOCK_TIME_NONE) {
832 GST_DEBUG_OBJECT (flacenc, "peer reported duration %" GST_TIME_FORMAT,
833 GST_TIME_ARGS (duration));
834 duration = GST_CLOCK_TIME_TO_FRAMES (duration, GST_AUDIO_INFO_RATE (info));
835
836 goto done;
837 }
838
839 GST_DEBUG_OBJECT (flacenc, "Upstream reported no total samples");
840 return GST_CLOCK_TIME_NONE;
841
842 done:
843 GST_DEBUG_OBJECT (flacenc,
844 "Upstream reported %" G_GUINT64_FORMAT " total samples", duration);
845
846 return duration;
847 }
848
849 static gint64
gst_flac_enc_get_latency(GstFlacEnc * flacenc)850 gst_flac_enc_get_latency (GstFlacEnc * flacenc)
851 {
852 /* The FLAC specification states that the data is processed in blocks,
853 * regardless of the number of channels. Thus, The latency can be calculated
854 * using the blocksize and rate. For example a 1 second block sampled at
855 * 44.1KHz has a blocksize of 44100 */
856
857 /* Get the blocksize */
858 const guint blocksize = FLAC__stream_encoder_get_blocksize (flacenc->encoder);
859
860 /* Get the sample rate in KHz */
861 const guint rate = FLAC__stream_encoder_get_sample_rate (flacenc->encoder);
862 if (!rate)
863 return 0;
864
865 /* Calculate the latecy */
866 return (blocksize * GST_SECOND) / rate;
867 }
868
869 static gboolean
gst_flac_enc_set_format(GstAudioEncoder * enc,GstAudioInfo * info)870 gst_flac_enc_set_format (GstAudioEncoder * enc, GstAudioInfo * info)
871 {
872 GstFlacEnc *flacenc;
873 guint64 total_samples = GST_CLOCK_TIME_NONE;
874 FLAC__StreamEncoderInitStatus init_status;
875
876 flacenc = GST_FLAC_ENC (enc);
877
878 /* if configured again, means something changed, can't handle that */
879 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
880 FLAC__STREAM_ENCODER_UNINITIALIZED)
881 goto encoder_already_initialized;
882
883 /* delay setting output caps/format until we have all headers */
884
885 gst_audio_get_channel_reorder_map (GST_AUDIO_INFO_CHANNELS (info),
886 channel_positions[GST_AUDIO_INFO_CHANNELS (info) - 1], info->position,
887 flacenc->channel_reorder_map);
888
889 total_samples = gst_flac_enc_peer_query_total_samples (flacenc,
890 GST_AUDIO_ENCODER_SINK_PAD (enc), info);
891
892 FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder,
893 GST_AUDIO_INFO_DEPTH (info));
894 FLAC__stream_encoder_set_sample_rate (flacenc->encoder,
895 GST_AUDIO_INFO_RATE (info));
896 FLAC__stream_encoder_set_channels (flacenc->encoder,
897 GST_AUDIO_INFO_CHANNELS (info));
898
899 if (total_samples != GST_CLOCK_TIME_NONE)
900 FLAC__stream_encoder_set_total_samples_estimate (flacenc->encoder,
901 MIN (total_samples, G_GUINT64_CONSTANT (0x0FFFFFFFFF)));
902
903 gst_flac_enc_set_metadata (flacenc, info, total_samples);
904
905 /* callbacks clear to go now;
906 * write callbacks receives headers during init */
907 flacenc->stopped = FALSE;
908
909 init_status = FLAC__stream_encoder_init_stream (flacenc->encoder,
910 gst_flac_enc_write_callback, gst_flac_enc_seek_callback,
911 gst_flac_enc_tell_callback, NULL, flacenc);
912 if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
913 goto failed_to_initialize;
914
915 /* feedback to base class */
916 gst_audio_encoder_set_latency (enc,
917 gst_flac_enc_get_latency (flacenc), gst_flac_enc_get_latency (flacenc));
918
919 return TRUE;
920
921 encoder_already_initialized:
922 {
923 g_warning ("flac already initialized -- fixme allow this");
924 return FALSE;
925 }
926 failed_to_initialize:
927 {
928 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
929 ("could not initialize encoder (wrong parameters?) %d", init_status));
930 return FALSE;
931 }
932 }
933
934 static gboolean
gst_flac_enc_update_quality(GstFlacEnc * flacenc,gint quality)935 gst_flac_enc_update_quality (GstFlacEnc * flacenc, gint quality)
936 {
937 GstAudioInfo *info =
938 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (flacenc));
939
940 flacenc->quality = quality;
941
942 #define DO_UPDATE(name, val, str) \
943 G_STMT_START { \
944 if (FLAC__stream_encoder_get_##name (flacenc->encoder) != \
945 flacenc_params[quality].val) { \
946 FLAC__stream_encoder_set_##name (flacenc->encoder, \
947 flacenc_params[quality].val); \
948 g_object_notify (G_OBJECT (flacenc), str); \
949 } \
950 } G_STMT_END
951
952 g_object_freeze_notify (G_OBJECT (flacenc));
953
954 if (GST_AUDIO_INFO_CHANNELS (info) == 2
955 || GST_AUDIO_INFO_CHANNELS (info) == 0) {
956 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
957 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
958 }
959
960 DO_UPDATE (blocksize, blocksize, "blocksize");
961 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
962 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
963 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
964 "qlp_coeff_prec_search");
965 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
966 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
967 "exhaustive_model_search");
968 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
969 "min_residual_partition_order");
970 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
971 "max_residual_partition_order");
972 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
973 "rice_parameter_search_dist");
974
975 #undef DO_UPDATE
976
977 g_object_thaw_notify (G_OBJECT (flacenc));
978
979 return TRUE;
980 }
981
982 static FLAC__StreamEncoderSeekStatus
gst_flac_enc_seek_callback(const FLAC__StreamEncoder * encoder,FLAC__uint64 absolute_byte_offset,void * client_data)983 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
984 FLAC__uint64 absolute_byte_offset, void *client_data)
985 {
986 GstFlacEnc *flacenc;
987 GstPad *peerpad;
988 GstSegment seg;
989
990 flacenc = GST_FLAC_ENC (client_data);
991
992 if (flacenc->stopped)
993 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
994
995 if ((peerpad = gst_pad_get_peer (GST_AUDIO_ENCODER_SRC_PAD (flacenc)))) {
996 GstEvent *event;
997 gboolean ret;
998 GstQuery *query;
999 gboolean seekable = FALSE;
1000
1001 /* try to seek to the beginning of the output */
1002 query = gst_query_new_seeking (GST_FORMAT_BYTES);
1003 if (gst_pad_query (peerpad, query)) {
1004 GstFormat format;
1005
1006 gst_query_parse_seeking (query, &format, &seekable, NULL, NULL);
1007 if (format != GST_FORMAT_BYTES)
1008 seekable = FALSE;
1009 } else {
1010 GST_LOG_OBJECT (flacenc, "SEEKING query not handled");
1011 }
1012 gst_query_unref (query);
1013
1014 if (!seekable) {
1015 GST_DEBUG_OBJECT (flacenc, "downstream not seekable; not rewriting");
1016 gst_object_unref (peerpad);
1017 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
1018 }
1019
1020 gst_segment_init (&seg, GST_FORMAT_BYTES);
1021 seg.start = absolute_byte_offset;
1022 seg.stop = GST_BUFFER_OFFSET_NONE;
1023 seg.time = 0;
1024 event = gst_event_new_segment (&seg);
1025
1026 ret = gst_pad_send_event (peerpad, event);
1027 gst_object_unref (peerpad);
1028
1029 if (ret) {
1030 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s",
1031 (guint64) absolute_byte_offset, "succeeded");
1032 } else {
1033 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s",
1034 (guint64) absolute_byte_offset, "failed");
1035 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
1036 }
1037 } else {
1038 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " failed (no peer pad)",
1039 (guint64) absolute_byte_offset);
1040 }
1041
1042 flacenc->offset = absolute_byte_offset;
1043 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
1044 }
1045
1046 static void
notgst_value_array_append_buffer(GValue * array_val,GstBuffer * buf)1047 notgst_value_array_append_buffer (GValue * array_val, GstBuffer * buf)
1048 {
1049 GValue value = { 0, };
1050
1051 g_value_init (&value, GST_TYPE_BUFFER);
1052 /* copy buffer to avoid problems with circular refcounts */
1053 buf = gst_buffer_copy (buf);
1054 /* again, for good measure */
1055 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
1056 gst_value_set_buffer (&value, buf);
1057 gst_buffer_unref (buf);
1058 gst_value_array_append_value (array_val, &value);
1059 g_value_unset (&value);
1060 }
1061
1062 #define HDR_TYPE_STREAMINFO 0
1063 #define HDR_TYPE_VORBISCOMMENT 4
1064
1065 static GstFlowReturn
gst_flac_enc_process_stream_headers(GstFlacEnc * enc)1066 gst_flac_enc_process_stream_headers (GstFlacEnc * enc)
1067 {
1068 GstBuffer *vorbiscomment = NULL;
1069 GstBuffer *streaminfo = NULL;
1070 GstBuffer *marker = NULL;
1071 GValue array = { 0, };
1072 GstCaps *caps;
1073 GList *l;
1074 GstFlowReturn ret = GST_FLOW_OK;
1075 GstAudioInfo *info =
1076 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (enc));
1077
1078 caps = gst_caps_new_simple ("audio/x-flac",
1079 "channels", G_TYPE_INT, GST_AUDIO_INFO_CHANNELS (info),
1080 "rate", G_TYPE_INT, GST_AUDIO_INFO_RATE (info), NULL);
1081
1082 for (l = enc->headers; l != NULL; l = l->next) {
1083 GstBuffer *buf;
1084 GstMapInfo map;
1085 guint8 *data;
1086 gsize size;
1087
1088 /* mark buffers so oggmux will ignore them if it already muxed the
1089 * header buffers from the streamheaders field in the caps */
1090 l->data = gst_buffer_make_writable (GST_BUFFER_CAST (l->data));
1091
1092 buf = GST_BUFFER_CAST (l->data);
1093 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
1094
1095 gst_buffer_map (buf, &map, GST_MAP_READ);
1096 data = map.data;
1097 size = map.size;
1098
1099 /* find initial 4-byte marker which we need to skip later on */
1100 if (size == 4 && memcmp (data, "fLaC", 4) == 0) {
1101 marker = buf;
1102 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_STREAMINFO) {
1103 streaminfo = buf;
1104 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_VORBISCOMMENT) {
1105 vorbiscomment = buf;
1106 }
1107
1108 gst_buffer_unmap (buf, &map);
1109 }
1110
1111 if (marker == NULL || streaminfo == NULL || vorbiscomment == NULL) {
1112 GST_WARNING_OBJECT (enc, "missing header %p %p %p, muxing into container "
1113 "formats may be broken", marker, streaminfo, vorbiscomment);
1114 goto push_headers;
1115 }
1116
1117 g_value_init (&array, GST_TYPE_ARRAY);
1118
1119 /* add marker including STREAMINFO header */
1120 {
1121 GstBuffer *buf;
1122 guint16 num;
1123 GstMapInfo map;
1124 guint8 *bdata;
1125 gsize slen;
1126
1127 /* minus one for the marker that is merged with streaminfo here */
1128 num = g_list_length (enc->headers) - 1;
1129
1130 slen = gst_buffer_get_size (streaminfo);
1131 buf = gst_buffer_new_and_alloc (13 + slen);
1132
1133 gst_buffer_map (buf, &map, GST_MAP_WRITE);
1134 bdata = map.data;
1135 bdata[0] = 0x7f;
1136 memcpy (bdata + 1, "FLAC", 4);
1137 bdata[5] = 0x01; /* mapping version major */
1138 bdata[6] = 0x00; /* mapping version minor */
1139 bdata[7] = (num & 0xFF00) >> 8;
1140 bdata[8] = (num & 0x00FF) >> 0;
1141 memcpy (bdata + 9, "fLaC", 4);
1142 gst_buffer_extract (streaminfo, 0, bdata + 13, slen);
1143 gst_buffer_unmap (buf, &map);
1144
1145 notgst_value_array_append_buffer (&array, buf);
1146 gst_buffer_unref (buf);
1147 }
1148
1149 /* add VORBISCOMMENT header */
1150 notgst_value_array_append_buffer (&array, vorbiscomment);
1151
1152 /* add other headers, if there are any */
1153 for (l = enc->headers; l != NULL; l = l->next) {
1154 GstBuffer *buf = GST_BUFFER_CAST (l->data);
1155
1156 if (buf != marker && buf != streaminfo && buf != vorbiscomment) {
1157 notgst_value_array_append_buffer (&array, buf);
1158 }
1159 }
1160
1161 gst_structure_set_value (gst_caps_get_structure (caps, 0),
1162 "streamheader", &array);
1163 g_value_unset (&array);
1164
1165 push_headers:
1166 gst_audio_encoder_set_output_format (GST_AUDIO_ENCODER (enc), caps);
1167
1168 gst_audio_encoder_set_headers (GST_AUDIO_ENCODER (enc), enc->headers);
1169 enc->headers = NULL;
1170
1171 gst_caps_unref (caps);
1172
1173 return ret;
1174 }
1175
1176 static FLAC__StreamEncoderWriteStatus
gst_flac_enc_write_callback(const FLAC__StreamEncoder * encoder,const FLAC__byte buffer[],size_t bytes,unsigned samples,unsigned current_frame,void * client_data)1177 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
1178 const FLAC__byte buffer[], size_t bytes,
1179 unsigned samples, unsigned current_frame, void *client_data)
1180 {
1181 GstFlowReturn ret = GST_FLOW_OK;
1182 GstFlacEnc *flacenc;
1183 GstBuffer *outbuf;
1184 GstSegment *segment;
1185 GstClockTime duration;
1186
1187 flacenc = GST_FLAC_ENC (client_data);
1188
1189 if (flacenc->stopped)
1190 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1191
1192 outbuf = gst_buffer_new_and_alloc (bytes);
1193 gst_buffer_fill (outbuf, 0, buffer, bytes);
1194
1195 /* we assume libflac passes us stuff neatly framed */
1196 if (!flacenc->got_headers) {
1197 if (samples == 0) {
1198 GST_DEBUG_OBJECT (flacenc, "Got header, queueing (%u bytes)",
1199 (guint) bytes);
1200 flacenc->headers = g_list_append (flacenc->headers, outbuf);
1201 /* note: it's important that we increase our byte offset */
1202 goto out;
1203 } else {
1204 GST_INFO_OBJECT (flacenc, "Non-header packet, we have all headers now");
1205 ret = gst_flac_enc_process_stream_headers (flacenc);
1206 flacenc->got_headers = TRUE;
1207 }
1208 }
1209
1210 if (flacenc->got_headers && samples == 0) {
1211 /* header fixup, push downstream directly */
1212 GST_DEBUG_OBJECT (flacenc, "Fixing up headers at pos=%" G_GUINT64_FORMAT
1213 ", size=%u", flacenc->offset, (guint) bytes);
1214 #if 0
1215 GST_MEMDUMP_OBJECT (flacenc, "Presumed header fragment",
1216 GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
1217 #endif
1218 ret = gst_pad_push (GST_AUDIO_ENCODER_SRC_PAD (flacenc), outbuf);
1219 } else {
1220 /* regular frame data, pass to base class */
1221 if (flacenc->eos && flacenc->samples_in == flacenc->samples_out + samples) {
1222 /* If encoding part of a frame, and we have no set stop time on
1223 * the output segment, we update the segment stop time to reflect
1224 * the last sample. This will let oggmux set the last page's
1225 * granpos to tell a decoder the dummy samples should be clipped.
1226 */
1227 segment = &GST_AUDIO_ENCODER_OUTPUT_SEGMENT (flacenc);
1228 if (!GST_CLOCK_TIME_IS_VALID (segment->stop)) {
1229 GST_DEBUG_OBJECT (flacenc,
1230 "No stop time and partial frame, updating segment");
1231 duration =
1232 gst_util_uint64_scale (flacenc->samples_out + samples,
1233 GST_SECOND,
1234 FLAC__stream_encoder_get_sample_rate (flacenc->encoder));
1235 segment->stop = segment->start + duration;
1236 GST_DEBUG_OBJECT (flacenc, "new output segment %" GST_SEGMENT_FORMAT,
1237 segment);
1238 gst_pad_push_event (GST_AUDIO_ENCODER_SRC_PAD (flacenc),
1239 gst_event_new_segment (segment));
1240 }
1241 }
1242
1243 GST_LOG ("Pushing buffer: samples=%u, size=%u, pos=%" G_GUINT64_FORMAT,
1244 samples, (guint) bytes, flacenc->offset);
1245 ret = gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (flacenc),
1246 outbuf, samples);
1247 }
1248
1249 if (ret != GST_FLOW_OK)
1250 GST_DEBUG_OBJECT (flacenc, "flow: %s", gst_flow_get_name (ret));
1251
1252 flacenc->last_flow = ret;
1253
1254 out:
1255 flacenc->offset += bytes;
1256
1257 if (ret != GST_FLOW_OK)
1258 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1259
1260 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1261 }
1262
1263 static FLAC__StreamEncoderTellStatus
gst_flac_enc_tell_callback(const FLAC__StreamEncoder * encoder,FLAC__uint64 * absolute_byte_offset,void * client_data)1264 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
1265 FLAC__uint64 * absolute_byte_offset, void *client_data)
1266 {
1267 GstFlacEnc *flacenc = GST_FLAC_ENC (client_data);
1268
1269 *absolute_byte_offset = flacenc->offset;
1270
1271 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
1272 }
1273
1274 static gboolean
gst_flac_enc_sink_event(GstAudioEncoder * enc,GstEvent * event)1275 gst_flac_enc_sink_event (GstAudioEncoder * enc, GstEvent * event)
1276 {
1277 GstFlacEnc *flacenc;
1278 GstTagList *taglist;
1279 GstToc *toc;
1280 gboolean ret = FALSE;
1281
1282 flacenc = GST_FLAC_ENC (enc);
1283
1284 GST_DEBUG ("Received %s event on sinkpad, %" GST_PTR_FORMAT,
1285 GST_EVENT_TYPE_NAME (event), event);
1286
1287 switch (GST_EVENT_TYPE (event)) {
1288 case GST_EVENT_EOS:
1289 flacenc->eos = TRUE;
1290 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1291 break;
1292 case GST_EVENT_TAG:
1293 if (flacenc->tags) {
1294 gst_event_parse_tag (event, &taglist);
1295 gst_tag_list_insert (flacenc->tags, taglist,
1296 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
1297 } else {
1298 g_assert_not_reached ();
1299 }
1300 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1301 break;
1302 case GST_EVENT_TOC:
1303 gst_event_parse_toc (event, &toc, NULL);
1304 if (toc) {
1305 if (flacenc->toc != toc) {
1306 if (flacenc->toc)
1307 gst_toc_unref (flacenc->toc);
1308 flacenc->toc = toc;
1309 }
1310 }
1311 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1312 break;
1313 case GST_EVENT_SEGMENT:
1314 flacenc->samples_in = 0;
1315 flacenc->samples_out = 0;
1316 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1317 break;
1318 default:
1319 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1320 break;
1321 }
1322
1323 return ret;
1324 }
1325
1326 static gboolean
gst_flac_enc_sink_query(GstAudioEncoder * enc,GstQuery * query)1327 gst_flac_enc_sink_query (GstAudioEncoder * enc, GstQuery * query)
1328 {
1329 GstPad *pad = GST_AUDIO_ENCODER_SINK_PAD (enc);
1330 gboolean ret = FALSE;
1331
1332 GST_DEBUG ("Received %s query on sinkpad, %" GST_PTR_FORMAT,
1333 GST_QUERY_TYPE_NAME (query), query);
1334
1335 switch (GST_QUERY_TYPE (query)) {
1336 case GST_QUERY_ACCEPT_CAPS:{
1337 GstCaps *acceptable, *caps;
1338
1339 acceptable = gst_pad_get_current_caps (pad);
1340 if (acceptable == NULL) {
1341 acceptable = gst_pad_get_pad_template_caps (pad);
1342 }
1343
1344 gst_query_parse_accept_caps (query, &caps);
1345
1346 gst_query_set_accept_caps_result (query,
1347 gst_caps_is_subset (caps, acceptable));
1348 gst_caps_unref (acceptable);
1349 ret = TRUE;
1350 }
1351 break;
1352 default:
1353 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_query (enc, query);
1354 break;
1355 }
1356
1357 return ret;
1358 }
1359
1360 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1361 #define READ_INT24 GST_READ_UINT24_LE
1362 #else
1363 #define READ_INT24 GST_READ_UINT24_BE
1364 #endif
1365
1366 static GstFlowReturn
gst_flac_enc_handle_frame(GstAudioEncoder * enc,GstBuffer * buffer)1367 gst_flac_enc_handle_frame (GstAudioEncoder * enc, GstBuffer * buffer)
1368 {
1369 GstFlacEnc *flacenc;
1370 FLAC__int32 *data;
1371 gint samples, width, channels;
1372 gulong i;
1373 gint j;
1374 FLAC__bool res;
1375 GstMapInfo map;
1376 GstAudioInfo *info =
1377 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (enc));
1378 gint *reorder_map;
1379
1380 flacenc = GST_FLAC_ENC (enc);
1381
1382 /* base class ensures configuration */
1383 g_return_val_if_fail (GST_AUDIO_INFO_WIDTH (info) != 0,
1384 GST_FLOW_NOT_NEGOTIATED);
1385
1386 width = GST_AUDIO_INFO_WIDTH (info);
1387 channels = GST_AUDIO_INFO_CHANNELS (info);
1388 reorder_map = flacenc->channel_reorder_map;
1389
1390 if (G_UNLIKELY (!buffer)) {
1391 if (flacenc->eos) {
1392 GST_DEBUG_OBJECT (flacenc, "finish encoding");
1393 FLAC__stream_encoder_finish (flacenc->encoder);
1394 } else {
1395 /* can't handle intermittent draining/resyncing */
1396 GST_ELEMENT_WARNING (flacenc, STREAM, FORMAT, (NULL),
1397 ("Stream discontinuity detected. "
1398 "The output may have wrong timestamps, "
1399 "consider using audiorate to handle discontinuities"));
1400 }
1401 return flacenc->last_flow;
1402 }
1403
1404 gst_buffer_map (buffer, &map, GST_MAP_READ);
1405 samples = map.size / (width >> 3);
1406
1407 data = g_malloc (samples * sizeof (FLAC__int32));
1408
1409 samples /= channels;
1410 GST_LOG_OBJECT (flacenc, "processing %d samples, %d channels", samples,
1411 channels);
1412 if (width == 8) {
1413 gint8 *indata = (gint8 *) map.data;
1414
1415 for (i = 0; i < samples; i++)
1416 for (j = 0; j < channels; j++)
1417 data[i * channels + reorder_map[j]] =
1418 (FLAC__int32) indata[i * channels + j];
1419 } else if (width == 16) {
1420 gint16 *indata = (gint16 *) map.data;
1421
1422 for (i = 0; i < samples; i++)
1423 for (j = 0; j < channels; j++)
1424 data[i * channels + reorder_map[j]] =
1425 (FLAC__int32) indata[i * channels + j];
1426 } else if (width == 24) {
1427 guint8 *indata = (guint8 *) map.data;
1428 guint32 val;
1429
1430 for (i = 0; i < samples; i++)
1431 for (j = 0; j < channels; j++) {
1432 val = READ_INT24 (&indata[3 * (i * channels + j)]);
1433 if (val & 0x00800000)
1434 val |= 0xff000000;
1435 data[i * channels + reorder_map[j]] = (FLAC__int32) val;
1436 }
1437 } else if (width == 32) {
1438 gint32 *indata = (gint32 *) map.data;
1439
1440 for (i = 0; i < samples; i++)
1441 for (j = 0; j < channels; j++)
1442 data[i * channels + reorder_map[j]] =
1443 (FLAC__int32) indata[i * channels + j];
1444 } else {
1445 g_assert_not_reached ();
1446 }
1447 gst_buffer_unmap (buffer, &map);
1448
1449 res = FLAC__stream_encoder_process_interleaved (flacenc->encoder,
1450 (const FLAC__int32 *) data, samples);
1451 flacenc->samples_in += samples;
1452
1453 g_free (data);
1454
1455 if (!res) {
1456 if (flacenc->last_flow == GST_FLOW_OK)
1457 return GST_FLOW_ERROR;
1458 else
1459 return flacenc->last_flow;
1460 }
1461
1462 return GST_FLOW_OK;
1463 }
1464
1465 static void
gst_flac_enc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)1466 gst_flac_enc_set_property (GObject * object, guint prop_id,
1467 const GValue * value, GParamSpec * pspec)
1468 {
1469 GstFlacEnc *this = GST_FLAC_ENC (object);
1470 GstAudioEncoder *enc = GST_AUDIO_ENCODER (object);
1471 guint64 curr_latency = 0, old_latency = gst_flac_enc_get_latency (this);
1472
1473 GST_OBJECT_LOCK (this);
1474
1475 switch (prop_id) {
1476 case PROP_QUALITY:
1477 gst_flac_enc_update_quality (this, g_value_get_enum (value));
1478 break;
1479 case PROP_STREAMABLE_SUBSET:
1480 FLAC__stream_encoder_set_streamable_subset (this->encoder,
1481 g_value_get_boolean (value));
1482 break;
1483 case PROP_MID_SIDE_STEREO:
1484 FLAC__stream_encoder_set_do_mid_side_stereo (this->encoder,
1485 g_value_get_boolean (value));
1486 break;
1487 case PROP_LOOSE_MID_SIDE_STEREO:
1488 FLAC__stream_encoder_set_loose_mid_side_stereo (this->encoder,
1489 g_value_get_boolean (value));
1490 break;
1491 case PROP_BLOCKSIZE:
1492 FLAC__stream_encoder_set_blocksize (this->encoder,
1493 g_value_get_uint (value));
1494 break;
1495 case PROP_MAX_LPC_ORDER:
1496 FLAC__stream_encoder_set_max_lpc_order (this->encoder,
1497 g_value_get_uint (value));
1498 break;
1499 case PROP_QLP_COEFF_PRECISION:
1500 FLAC__stream_encoder_set_qlp_coeff_precision (this->encoder,
1501 g_value_get_uint (value));
1502 break;
1503 case PROP_QLP_COEFF_PREC_SEARCH:
1504 FLAC__stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1505 g_value_get_boolean (value));
1506 break;
1507 case PROP_ESCAPE_CODING:
1508 FLAC__stream_encoder_set_do_escape_coding (this->encoder,
1509 g_value_get_boolean (value));
1510 break;
1511 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1512 FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
1513 g_value_get_boolean (value));
1514 break;
1515 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1516 FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
1517 g_value_get_uint (value));
1518 break;
1519 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1520 FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
1521 g_value_get_uint (value));
1522 break;
1523 case PROP_RICE_PARAMETER_SEARCH_DIST:
1524 FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
1525 g_value_get_uint (value));
1526 break;
1527 case PROP_PADDING:
1528 this->padding = g_value_get_uint (value);
1529 break;
1530 case PROP_SEEKPOINTS:
1531 this->seekpoints = g_value_get_int (value);
1532 break;
1533 default:
1534 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1535 break;
1536 }
1537
1538 GST_OBJECT_UNLOCK (this);
1539
1540 /* Update latency if it has changed */
1541 curr_latency = gst_flac_enc_get_latency (this);
1542 if (old_latency != curr_latency)
1543 gst_audio_encoder_set_latency (enc, curr_latency, curr_latency);
1544 }
1545
1546 static void
gst_flac_enc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)1547 gst_flac_enc_get_property (GObject * object, guint prop_id,
1548 GValue * value, GParamSpec * pspec)
1549 {
1550 GstFlacEnc *this = GST_FLAC_ENC (object);
1551
1552 GST_OBJECT_LOCK (this);
1553
1554 switch (prop_id) {
1555 case PROP_QUALITY:
1556 g_value_set_enum (value, this->quality);
1557 break;
1558 case PROP_STREAMABLE_SUBSET:
1559 g_value_set_boolean (value,
1560 FLAC__stream_encoder_get_streamable_subset (this->encoder));
1561 break;
1562 case PROP_MID_SIDE_STEREO:
1563 g_value_set_boolean (value,
1564 FLAC__stream_encoder_get_do_mid_side_stereo (this->encoder));
1565 break;
1566 case PROP_LOOSE_MID_SIDE_STEREO:
1567 g_value_set_boolean (value,
1568 FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
1569 break;
1570 case PROP_BLOCKSIZE:
1571 g_value_set_uint (value,
1572 FLAC__stream_encoder_get_blocksize (this->encoder));
1573 break;
1574 case PROP_MAX_LPC_ORDER:
1575 g_value_set_uint (value,
1576 FLAC__stream_encoder_get_max_lpc_order (this->encoder));
1577 break;
1578 case PROP_QLP_COEFF_PRECISION:
1579 g_value_set_uint (value,
1580 FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
1581 break;
1582 case PROP_QLP_COEFF_PREC_SEARCH:
1583 g_value_set_boolean (value,
1584 FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
1585 break;
1586 case PROP_ESCAPE_CODING:
1587 g_value_set_boolean (value,
1588 FLAC__stream_encoder_get_do_escape_coding (this->encoder));
1589 break;
1590 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1591 g_value_set_boolean (value,
1592 FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
1593 break;
1594 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1595 g_value_set_uint (value,
1596 FLAC__stream_encoder_get_min_residual_partition_order
1597 (this->encoder));
1598 break;
1599 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1600 g_value_set_uint (value,
1601 FLAC__stream_encoder_get_max_residual_partition_order
1602 (this->encoder));
1603 break;
1604 case PROP_RICE_PARAMETER_SEARCH_DIST:
1605 g_value_set_uint (value,
1606 FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
1607 break;
1608 case PROP_PADDING:
1609 g_value_set_uint (value, this->padding);
1610 break;
1611 case PROP_SEEKPOINTS:
1612 g_value_set_int (value, this->seekpoints);
1613 break;
1614 default:
1615 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1616 break;
1617 }
1618
1619 GST_OBJECT_UNLOCK (this);
1620 }
1621