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 * @see_also: #GstFlacDec
22 *
23 * flacenc encodes FLAC streams.
24 * <ulink url="http://flac.sourceforge.net/">FLAC</ulink>
25 * is a Free Lossless Audio Codec. FLAC audio can directly be written into
26 * a file, or embedded into containers such as oggmux or matroskamux.
27 *
28 * <refsect2>
29 * <title>Example launch line</title>
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 * </refsect2>
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 /* Taken from http://flac.sourceforge.net/format.html#frame_header */
59 static const GstAudioChannelPosition channel_positions[8][8] = {
60 {GST_AUDIO_CHANNEL_POSITION_MONO},
61 {GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
62 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
63 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
64 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
65 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
66 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
67 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
68 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
69 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
70 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
71 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
72 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
73 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
74 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
75 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
76 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
77 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
78 GST_AUDIO_CHANNEL_POSITION_LFE1,
79 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
80 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT},
81 /* FIXME: 7/8 channel layouts are not defined in the FLAC specs */
82 {
83 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
84 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
85 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
86 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
87 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
88 GST_AUDIO_CHANNEL_POSITION_LFE1,
89 GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
90 GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
91 GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
92 GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
93 GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
94 GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
95 GST_AUDIO_CHANNEL_POSITION_LFE1,
96 GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT,
97 GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}
98 };
99
100 static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
101 GST_PAD_SRC,
102 GST_PAD_ALWAYS,
103 GST_STATIC_CAPS ("audio/x-flac")
104 );
105
106 enum
107 {
108 PROP_0,
109 PROP_QUALITY,
110 PROP_STREAMABLE_SUBSET,
111 PROP_MID_SIDE_STEREO,
112 PROP_LOOSE_MID_SIDE_STEREO,
113 PROP_BLOCKSIZE,
114 PROP_MAX_LPC_ORDER,
115 PROP_QLP_COEFF_PRECISION,
116 PROP_QLP_COEFF_PREC_SEARCH,
117 PROP_ESCAPE_CODING,
118 PROP_EXHAUSTIVE_MODEL_SEARCH,
119 PROP_MIN_RESIDUAL_PARTITION_ORDER,
120 PROP_MAX_RESIDUAL_PARTITION_ORDER,
121 PROP_RICE_PARAMETER_SEARCH_DIST,
122 PROP_PADDING,
123 PROP_SEEKPOINTS
124 };
125
126 GST_DEBUG_CATEGORY_STATIC (flacenc_debug);
127 #define GST_CAT_DEFAULT flacenc_debug
128
129 #define gst_flac_enc_parent_class parent_class
130 G_DEFINE_TYPE_WITH_CODE (GstFlacEnc, gst_flac_enc, GST_TYPE_AUDIO_ENCODER,
131 G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL)
132 G_IMPLEMENT_INTERFACE (GST_TYPE_TOC_SETTER, NULL)
133 );
134
135 static gboolean gst_flac_enc_start (GstAudioEncoder * enc);
136 static gboolean gst_flac_enc_stop (GstAudioEncoder * enc);
137 static gboolean gst_flac_enc_set_format (GstAudioEncoder * enc,
138 GstAudioInfo * info);
139 static GstFlowReturn gst_flac_enc_handle_frame (GstAudioEncoder * enc,
140 GstBuffer * in_buf);
141 static GstCaps *gst_flac_enc_getcaps (GstAudioEncoder * enc, GstCaps * filter);
142 static gboolean gst_flac_enc_sink_event (GstAudioEncoder * enc,
143 GstEvent * event);
144 static gboolean gst_flac_enc_sink_query (GstAudioEncoder * enc,
145 GstQuery * query);
146
147 static void gst_flac_enc_finalize (GObject * object);
148
149 static GstCaps *gst_flac_enc_generate_sink_caps (void);
150
151 static gboolean gst_flac_enc_update_quality (GstFlacEnc * flacenc,
152 gint quality);
153 static void gst_flac_enc_set_property (GObject * object, guint prop_id,
154 const GValue * value, GParamSpec * pspec);
155 static void gst_flac_enc_get_property (GObject * object, guint prop_id,
156 GValue * value, GParamSpec * pspec);
157
158 static FLAC__StreamEncoderWriteStatus
159 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
160 const FLAC__byte buffer[], size_t bytes,
161 unsigned samples, unsigned current_frame, void *client_data);
162 static FLAC__StreamEncoderSeekStatus
163 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
164 FLAC__uint64 absolute_byte_offset, void *client_data);
165 static FLAC__StreamEncoderTellStatus
166 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
167 FLAC__uint64 * absolute_byte_offset, void *client_data);
168
169 typedef struct
170 {
171 gboolean exhaustive_model_search;
172 gboolean escape_coding;
173 gboolean mid_side;
174 gboolean loose_mid_side;
175 guint qlp_coeff_precision;
176 gboolean qlp_coeff_prec_search;
177 guint min_residual_partition_order;
178 guint max_residual_partition_order;
179 guint rice_parameter_search_dist;
180 guint max_lpc_order;
181 guint blocksize;
182 }
183 GstFlacEncParams;
184
185 static const GstFlacEncParams flacenc_params[] = {
186 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 2, 2, 0, 0, 1152},
187 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 2, 2, 0, 0, 1152},
188 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 3, 0, 0, 1152},
189 {FALSE, FALSE, FALSE, FALSE, 0, FALSE, 3, 3, 0, 6, 4608},
190 {FALSE, FALSE, TRUE, TRUE, 0, FALSE, 3, 3, 0, 8, 4608},
191 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 3, 3, 0, 8, 4608},
192 {FALSE, FALSE, TRUE, FALSE, 0, FALSE, 0, 4, 0, 8, 4608},
193 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 8, 4608},
194 {TRUE, FALSE, TRUE, FALSE, 0, FALSE, 0, 6, 0, 12, 4608},
195 {TRUE, TRUE, TRUE, FALSE, 0, FALSE, 0, 16, 0, 32, 4608},
196 };
197
198 #define DEFAULT_QUALITY 5
199 #define DEFAULT_PADDING 0
200 #define DEFAULT_SEEKPOINTS -10
201
202 #define GST_TYPE_FLAC_ENC_QUALITY (gst_flac_enc_quality_get_type ())
203 static GType
gst_flac_enc_quality_get_type(void)204 gst_flac_enc_quality_get_type (void)
205 {
206 static GType qtype = 0;
207
208 if (qtype == 0) {
209 static const GEnumValue values[] = {
210 {0, "0 - Fastest compression", "0"},
211 {1, "1", "1"},
212 {2, "2", "2"},
213 {3, "3", "3"},
214 {4, "4", "4"},
215 {5, "5 - Default", "5"},
216 {6, "6", "6"},
217 {7, "7", "7"},
218 {8, "8 - Highest compression", "8"},
219 {9, "9 - Insane", "9"},
220 {0, NULL, NULL}
221 };
222
223 qtype = g_enum_register_static ("GstFlacEncQuality", values);
224 }
225 return qtype;
226 }
227
228 static void
gst_flac_enc_class_init(GstFlacEncClass * klass)229 gst_flac_enc_class_init (GstFlacEncClass * klass)
230 {
231 GObjectClass *gobject_class;
232 GstElementClass *gstelement_class;
233 GstAudioEncoderClass *base_class;
234 GstCaps *sink_caps;
235 GstPadTemplate *sink_templ;
236
237 gobject_class = (GObjectClass *) klass;
238 gstelement_class = (GstElementClass *) klass;
239 base_class = (GstAudioEncoderClass *) (klass);
240
241 GST_DEBUG_CATEGORY_INIT (flacenc_debug, "flacenc", 0,
242 "Flac encoding element");
243
244 gobject_class->set_property = gst_flac_enc_set_property;
245 gobject_class->get_property = gst_flac_enc_get_property;
246 gobject_class->finalize = gst_flac_enc_finalize;
247
248 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QUALITY,
249 g_param_spec_enum ("quality",
250 "Quality",
251 "Speed versus compression tradeoff",
252 GST_TYPE_FLAC_ENC_QUALITY, DEFAULT_QUALITY,
253 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
254 g_object_class_install_property (G_OBJECT_CLASS (klass),
255 PROP_STREAMABLE_SUBSET, g_param_spec_boolean ("streamable-subset",
256 "Streamable subset",
257 "true to limit encoder to generating a Subset stream, else false",
258 TRUE,
259 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
260 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MID_SIDE_STEREO,
261 g_param_spec_boolean ("mid-side-stereo", "Do mid side stereo",
262 "Do mid side stereo (only for stereo input)",
263 flacenc_params[DEFAULT_QUALITY].mid_side,
264 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
265 g_object_class_install_property (G_OBJECT_CLASS (klass),
266 PROP_LOOSE_MID_SIDE_STEREO, g_param_spec_boolean ("loose-mid-side-stereo",
267 "Loose mid side stereo", "Loose mid side stereo",
268 flacenc_params[DEFAULT_QUALITY].loose_mid_side,
269 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
270 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BLOCKSIZE,
271 g_param_spec_uint ("blocksize", "Blocksize", "Blocksize in samples",
272 FLAC__MIN_BLOCK_SIZE, FLAC__MAX_BLOCK_SIZE,
273 flacenc_params[DEFAULT_QUALITY].blocksize,
274 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
275 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_LPC_ORDER,
276 g_param_spec_uint ("max-lpc-order", "Max LPC order",
277 "Max LPC order; 0 => use only fixed predictors", 0,
278 FLAC__MAX_LPC_ORDER, flacenc_params[DEFAULT_QUALITY].max_lpc_order,
279 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
280 g_object_class_install_property (G_OBJECT_CLASS (klass),
281 PROP_QLP_COEFF_PRECISION, g_param_spec_uint ("qlp-coeff-precision",
282 "QLP coefficients precision",
283 "Precision in bits of quantized linear-predictor coefficients; 0 = automatic",
284 0, 32, flacenc_params[DEFAULT_QUALITY].qlp_coeff_precision,
285 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
286 g_object_class_install_property (G_OBJECT_CLASS (klass),
287 PROP_QLP_COEFF_PREC_SEARCH, g_param_spec_boolean ("qlp-coeff-prec-search",
288 "Do QLP coefficients precision search",
289 "false = use qlp_coeff_precision, "
290 "true = search around qlp_coeff_precision, take best",
291 flacenc_params[DEFAULT_QUALITY].qlp_coeff_prec_search,
292 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
293 g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ESCAPE_CODING,
294 g_param_spec_boolean ("escape-coding", "Do Escape coding",
295 "search for escape codes in the entropy coding stage "
296 "for slightly better compression",
297 flacenc_params[DEFAULT_QUALITY].escape_coding,
298 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
299 g_object_class_install_property (G_OBJECT_CLASS (klass),
300 PROP_EXHAUSTIVE_MODEL_SEARCH,
301 g_param_spec_boolean ("exhaustive-model-search",
302 "Do exhaustive model search",
303 "do exhaustive search of LP coefficient quantization (expensive!)",
304 flacenc_params[DEFAULT_QUALITY].exhaustive_model_search,
305 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
306 g_object_class_install_property (G_OBJECT_CLASS (klass),
307 PROP_MIN_RESIDUAL_PARTITION_ORDER,
308 g_param_spec_uint ("min-residual-partition-order",
309 "Min residual partition order",
310 "Min residual partition order (above 4 doesn't usually help much)", 0,
311 16, flacenc_params[DEFAULT_QUALITY].min_residual_partition_order,
312 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
313 g_object_class_install_property (G_OBJECT_CLASS (klass),
314 PROP_MAX_RESIDUAL_PARTITION_ORDER,
315 g_param_spec_uint ("max-residual-partition-order",
316 "Max residual partition order",
317 "Max residual partition order (above 4 doesn't usually help much)", 0,
318 16, flacenc_params[DEFAULT_QUALITY].max_residual_partition_order,
319 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
320 g_object_class_install_property (G_OBJECT_CLASS (klass),
321 PROP_RICE_PARAMETER_SEARCH_DIST,
322 g_param_spec_uint ("rice-parameter-search-dist",
323 "rice_parameter_search_dist",
324 "0 = try only calc'd parameter k; else try all [k-dist..k+dist] "
325 "parameters, use best", 0, FLAC__MAX_RICE_PARTITION_ORDER,
326 flacenc_params[DEFAULT_QUALITY].rice_parameter_search_dist,
327 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
328 g_object_class_install_property (G_OBJECT_CLASS (klass),
329 PROP_PADDING,
330 g_param_spec_uint ("padding",
331 "Padding",
332 "Write a PADDING block with this length in bytes", 0, G_MAXUINT,
333 DEFAULT_PADDING,
334 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
335 g_object_class_install_property (G_OBJECT_CLASS (klass),
336 PROP_SEEKPOINTS,
337 g_param_spec_int ("seekpoints",
338 "Seekpoints",
339 "Add SEEKTABLE metadata (if > 0, number of entries, if < 0, interval in sec)",
340 -G_MAXINT, G_MAXINT,
341 DEFAULT_SEEKPOINTS,
342 G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
343
344 gst_element_class_add_static_pad_template (gstelement_class, &src_factory);
345
346 sink_caps = gst_flac_enc_generate_sink_caps ();
347 sink_templ = gst_pad_template_new ("sink",
348 GST_PAD_SINK, GST_PAD_ALWAYS, sink_caps);
349 gst_element_class_add_pad_template (gstelement_class, sink_templ);
350 gst_caps_unref (sink_caps);
351
352 gst_element_class_set_static_metadata (gstelement_class, "FLAC audio encoder",
353 "Codec/Encoder/Audio",
354 "Encodes audio with the FLAC lossless audio encoder",
355 "Wim Taymans <wim.taymans@chello.be>");
356
357 base_class->start = GST_DEBUG_FUNCPTR (gst_flac_enc_start);
358 base_class->stop = GST_DEBUG_FUNCPTR (gst_flac_enc_stop);
359 base_class->set_format = GST_DEBUG_FUNCPTR (gst_flac_enc_set_format);
360 base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_flac_enc_handle_frame);
361 base_class->getcaps = GST_DEBUG_FUNCPTR (gst_flac_enc_getcaps);
362 base_class->sink_event = GST_DEBUG_FUNCPTR (gst_flac_enc_sink_event);
363 base_class->sink_query = GST_DEBUG_FUNCPTR (gst_flac_enc_sink_query);
364 }
365
366 static void
gst_flac_enc_init(GstFlacEnc * flacenc)367 gst_flac_enc_init (GstFlacEnc * flacenc)
368 {
369 GstAudioEncoder *enc = GST_AUDIO_ENCODER (flacenc);
370
371 flacenc->encoder = FLAC__stream_encoder_new ();
372 gst_flac_enc_update_quality (flacenc, DEFAULT_QUALITY);
373
374 /* arrange granulepos marking (and required perfect ts) */
375 gst_audio_encoder_set_mark_granule (enc, TRUE);
376 gst_audio_encoder_set_perfect_timestamp (enc, TRUE);
377 }
378
379 static void
gst_flac_enc_finalize(GObject * object)380 gst_flac_enc_finalize (GObject * object)
381 {
382 GstFlacEnc *flacenc = GST_FLAC_ENC (object);
383
384 FLAC__stream_encoder_delete (flacenc->encoder);
385
386 G_OBJECT_CLASS (parent_class)->finalize (object);
387 }
388
389 static gboolean
gst_flac_enc_start(GstAudioEncoder * enc)390 gst_flac_enc_start (GstAudioEncoder * enc)
391 {
392 GstFlacEnc *flacenc = GST_FLAC_ENC (enc);
393
394 GST_DEBUG_OBJECT (enc, "start");
395 flacenc->stopped = TRUE;
396 flacenc->got_headers = FALSE;
397 flacenc->last_flow = GST_FLOW_OK;
398 flacenc->offset = 0;
399 flacenc->eos = FALSE;
400 flacenc->tags = gst_tag_list_new_empty ();
401 flacenc->toc = NULL;
402 flacenc->samples_in = 0;
403 flacenc->samples_out = 0;
404
405 return TRUE;
406 }
407
408 static gboolean
gst_flac_enc_stop(GstAudioEncoder * enc)409 gst_flac_enc_stop (GstAudioEncoder * enc)
410 {
411 GstFlacEnc *flacenc = GST_FLAC_ENC (enc);
412
413 GST_DEBUG_OBJECT (enc, "stop");
414 gst_tag_list_unref (flacenc->tags);
415 flacenc->tags = NULL;
416 if (flacenc->toc)
417 gst_toc_unref (flacenc->toc);
418 flacenc->toc = NULL;
419 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
420 FLAC__STREAM_ENCODER_UNINITIALIZED) {
421 flacenc->stopped = TRUE;
422 FLAC__stream_encoder_finish (flacenc->encoder);
423 }
424 if (flacenc->meta) {
425 FLAC__metadata_object_delete (flacenc->meta[0]);
426
427 if (flacenc->meta[1])
428 FLAC__metadata_object_delete (flacenc->meta[1]);
429
430 if (flacenc->meta[2])
431 FLAC__metadata_object_delete (flacenc->meta[2]);
432
433 if (flacenc->meta[3])
434 FLAC__metadata_object_delete (flacenc->meta[3]);
435
436 g_free (flacenc->meta);
437 flacenc->meta = NULL;
438 }
439 g_list_foreach (flacenc->headers, (GFunc) gst_mini_object_unref, NULL);
440 g_list_free (flacenc->headers);
441 flacenc->headers = NULL;
442
443 gst_tag_setter_reset_tags (GST_TAG_SETTER (enc));
444 gst_toc_setter_reset (GST_TOC_SETTER (enc));
445
446 return TRUE;
447 }
448
449 static void
add_one_tag(const GstTagList * list,const gchar * tag,gpointer user_data)450 add_one_tag (const GstTagList * list, const gchar * tag, gpointer user_data)
451 {
452 GList *comments;
453 GList *it;
454 GstFlacEnc *flacenc = GST_FLAC_ENC (user_data);
455
456 /* IMAGE and PREVIEW_IMAGE tags are already written
457 * differently, no need to store them inside the
458 * vorbiscomments too */
459 if (strcmp (tag, GST_TAG_IMAGE) == 0
460 || strcmp (tag, GST_TAG_PREVIEW_IMAGE) == 0)
461 return;
462
463 comments = gst_tag_to_vorbis_comments (list, tag);
464 for (it = comments; it != NULL; it = it->next) {
465 FLAC__StreamMetadata_VorbisComment_Entry commment_entry;
466
467 commment_entry.length = strlen (it->data);
468 commment_entry.entry = it->data;
469 FLAC__metadata_object_vorbiscomment_insert_comment (flacenc->meta[0],
470 flacenc->meta[0]->data.vorbis_comment.num_comments,
471 commment_entry, TRUE);
472 g_free (it->data);
473 }
474 g_list_free (comments);
475 }
476
477 static gboolean
add_cuesheet(const GstToc * toc,guint sample_rate,FLAC__StreamMetadata * cuesheet)478 add_cuesheet (const GstToc * toc, guint sample_rate,
479 FLAC__StreamMetadata * cuesheet)
480 {
481 gint8 track_num = 0;
482 gint64 start, stop;
483 gchar *isrc = NULL;
484 const gchar *is_legal;
485 GList *list;
486 GstTagList *tags;
487 GstTocEntry *entry, *subentry = NULL;
488 FLAC__StreamMetadata_CueSheet *cs;
489 FLAC__StreamMetadata_CueSheet_Track *track;
490
491 cs = &cuesheet->data.cue_sheet;
492 if (!cs)
493 return FALSE;
494
495 /* check if the TOC entries is valid */
496 list = gst_toc_get_entries (toc);
497 entry = list->data;
498 if (gst_toc_entry_is_alternative (entry)) {
499 list = gst_toc_entry_get_sub_entries (entry);
500 while (list) {
501 subentry = list->data;
502 if (!gst_toc_entry_is_sequence (subentry))
503 return FALSE;
504 list = g_list_next (list);
505 }
506 list = gst_toc_entry_get_sub_entries (entry);
507 }
508 if (gst_toc_entry_is_sequence (entry)) {
509 while (list) {
510 entry = list->data;
511 if (!gst_toc_entry_is_sequence (entry))
512 return FALSE;
513 list = g_list_next (list);
514 }
515 list = gst_toc_get_entries (toc);
516 }
517
518 /* add tracks in cuesheet */
519 while (list) {
520 entry = list->data;
521 gst_toc_entry_get_start_stop_times (entry, &start, &stop);
522 tags = gst_toc_entry_get_tags (entry);
523 if (tags)
524 gst_tag_list_get_string (tags, GST_TAG_ISRC, &isrc);
525 track = FLAC__metadata_object_cuesheet_track_new ();
526 track->offset =
527 (FLAC__uint64) gst_util_uint64_scale_round (start, sample_rate,
528 GST_SECOND);
529 track->number = (FLAC__byte) track_num + 1;
530 if (isrc != NULL && strlen (isrc) <= 12)
531 g_strlcpy (track->isrc, isrc, 13);
532 if (track->number <= 0)
533 return FALSE;
534 if (!FLAC__metadata_object_cuesheet_insert_track (cuesheet, track_num,
535 track, FALSE))
536 return FALSE;
537 if (!FLAC__metadata_object_cuesheet_track_insert_blank_index (cuesheet,
538 track_num, 0))
539 return FALSE;
540 track_num++;
541 list = g_list_next (list);
542 }
543
544 if (cs->num_tracks <= 0)
545 return FALSE;
546
547 /* add lead-out track in cuesheet */
548 track = FLAC__metadata_object_cuesheet_track_new ();
549 track->offset =
550 (FLAC__uint64) gst_util_uint64_scale_round (stop, sample_rate,
551 GST_SECOND);
552 track->number = 255;
553 if (!FLAC__metadata_object_cuesheet_insert_track (cuesheet, cs->num_tracks,
554 track, FALSE))
555 return FALSE;
556
557 /* check if the cuesheet is valid */
558 if (!FLAC__metadata_object_cuesheet_is_legal (cuesheet, FALSE, &is_legal)) {
559 g_warning ("%s\n", is_legal);
560 return FALSE;
561 }
562
563 return TRUE;
564 }
565
566 static void
gst_flac_enc_set_metadata(GstFlacEnc * flacenc,GstAudioInfo * info,guint64 total_samples)567 gst_flac_enc_set_metadata (GstFlacEnc * flacenc, GstAudioInfo * info,
568 guint64 total_samples)
569 {
570 const GstTagList *user_tags;
571 GstTagList *copy;
572 gint entries = 1;
573 gint n_images, n_preview_images;
574 FLAC__StreamMetadata *cuesheet;
575
576 g_return_if_fail (flacenc != NULL);
577
578 user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (flacenc));
579 if ((flacenc->tags == NULL) && (user_tags == NULL)) {
580 return;
581 }
582 copy = gst_tag_list_merge (user_tags, flacenc->tags,
583 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
584 n_images = gst_tag_list_get_tag_size (copy, GST_TAG_IMAGE);
585 n_preview_images = gst_tag_list_get_tag_size (copy, GST_TAG_PREVIEW_IMAGE);
586
587 flacenc->meta =
588 g_new0 (FLAC__StreamMetadata *, 4 + n_images + n_preview_images);
589
590 flacenc->meta[0] =
591 FLAC__metadata_object_new (FLAC__METADATA_TYPE_VORBIS_COMMENT);
592 gst_tag_list_foreach (copy, add_one_tag, flacenc);
593
594 if (!flacenc->toc)
595 flacenc->toc = gst_toc_setter_get_toc (GST_TOC_SETTER (flacenc));
596
597 if (flacenc->toc) {
598 cuesheet = FLAC__metadata_object_new (FLAC__METADATA_TYPE_CUESHEET);
599 if (add_cuesheet (flacenc->toc, GST_AUDIO_INFO_RATE (info), cuesheet)) {
600 flacenc->meta[entries] = cuesheet;
601 entries++;
602 } else {
603 FLAC__metadata_object_delete (cuesheet);
604 flacenc->meta[entries] = NULL;
605 }
606 }
607
608 if (n_images + n_preview_images > 0) {
609 GstSample *sample;
610 GstBuffer *buffer;
611 GstCaps *caps;
612 const GstStructure *structure;
613 GstTagImageType image_type = GST_TAG_IMAGE_TYPE_NONE;
614 gint i, width = 0, height = 0, png_icon_count = 0, other_icon_count = 0;
615 GstMapInfo map;
616
617 for (i = 0; i < n_images + n_preview_images; i++) {
618 gboolean is_preview_image = (i >= n_images);
619
620 if (i < n_images) {
621 if (!gst_tag_list_get_sample_index (copy, GST_TAG_IMAGE, i, &sample))
622 continue;
623 } else {
624 if (!gst_tag_list_get_sample_index (copy, GST_TAG_PREVIEW_IMAGE,
625 i - n_images, &sample))
626 continue;
627 }
628
629 structure = gst_sample_get_info (sample);
630 caps = gst_sample_get_caps (sample);
631 if (!caps) {
632 GST_FIXME_OBJECT (flacenc, "Image tag without caps");
633 gst_sample_unref (sample);
634 continue;
635 }
636
637 flacenc->meta[entries] =
638 FLAC__metadata_object_new (FLAC__METADATA_TYPE_PICTURE);
639
640 GST_LOG_OBJECT (flacenc, "image info: %" GST_PTR_FORMAT, structure);
641
642 if (structure)
643 gst_structure_get (structure, "image-type", GST_TYPE_TAG_IMAGE_TYPE,
644 &image_type, NULL);
645 else
646 image_type = GST_TAG_IMAGE_TYPE_NONE;
647
648 GST_LOG_OBJECT (flacenc, "image caps: %" GST_PTR_FORMAT, caps);
649
650 structure = gst_caps_get_structure (caps, 0);
651 gst_structure_get (structure, "width", G_TYPE_INT, &width,
652 "height", G_TYPE_INT, &height, NULL);
653
654 /* Convert to ID3v2 APIC image type */
655 if (image_type == GST_TAG_IMAGE_TYPE_NONE) {
656 if (is_preview_image) {
657 /* 1 - 32x32 pixels 'file icon' (PNG only)
658 * 2 - Other file icon
659 * There may only be one each of picture type 1 and 2 in a file. */
660 if (width == 32 && height == 32
661 && gst_structure_has_name (structure, "image/png")
662 && png_icon_count++ == 0) {
663 image_type = 1;
664 } else if (width <= 32 && height <= 32 && other_icon_count++ == 0) {
665 image_type = 2;
666 } else {
667 image_type = 0; /* Other */
668 }
669 } else {
670 image_type = 0; /* Other */
671 }
672 } else {
673 /* GStreamer enum is the same but without the two icon types 1+2 */
674 image_type = image_type + 2;
675 }
676
677 buffer = gst_sample_get_buffer (sample);
678 gst_buffer_map (buffer, &map, GST_MAP_READ);
679 FLAC__metadata_object_picture_set_data (flacenc->meta[entries],
680 map.data, map.size, TRUE);
681 gst_buffer_unmap (buffer, &map);
682
683 GST_LOG_OBJECT (flacenc, "Setting picture type %d", image_type);
684 flacenc->meta[entries]->data.picture.type = image_type;
685
686 if (width > 0 && height > 0) {
687 flacenc->meta[entries]->data.picture.width = width;
688 flacenc->meta[entries]->data.picture.height = height;
689 }
690
691 FLAC__metadata_object_picture_set_mime_type (flacenc->meta[entries],
692 (char *) gst_structure_get_name (structure), TRUE);
693
694 gst_sample_unref (sample);
695 entries++;
696 }
697 }
698
699 if (flacenc->seekpoints && total_samples != GST_CLOCK_TIME_NONE) {
700 gboolean res;
701 guint samples;
702
703 flacenc->meta[entries] =
704 FLAC__metadata_object_new (FLAC__METADATA_TYPE_SEEKTABLE);
705 if (flacenc->seekpoints > 0) {
706 res =
707 FLAC__metadata_object_seektable_template_append_spaced_points
708 (flacenc->meta[entries], flacenc->seekpoints, total_samples);
709 } else {
710 samples = -flacenc->seekpoints * GST_AUDIO_INFO_RATE (info);
711 res =
712 FLAC__metadata_object_seektable_template_append_spaced_points_by_samples
713 (flacenc->meta[entries], samples, total_samples);
714 }
715 if (!res) {
716 GST_DEBUG_OBJECT (flacenc, "adding seekpoint template %d failed",
717 flacenc->seekpoints);
718 FLAC__metadata_object_delete (flacenc->meta[1]);
719 flacenc->meta[entries] = NULL;
720 } else {
721 entries++;
722 }
723 } else if (flacenc->seekpoints && total_samples == GST_CLOCK_TIME_NONE) {
724 GST_WARNING_OBJECT (flacenc, "total time unknown; can not add seekpoints");
725 }
726
727 if (flacenc->padding > 0) {
728 flacenc->meta[entries] =
729 FLAC__metadata_object_new (FLAC__METADATA_TYPE_PADDING);
730 flacenc->meta[entries]->length = flacenc->padding;
731 entries++;
732 }
733
734 if (FLAC__stream_encoder_set_metadata (flacenc->encoder,
735 flacenc->meta, entries) != true)
736 g_warning ("Dude, i'm already initialized!");
737
738 gst_tag_list_unref (copy);
739 }
740
741 static GstCaps *
gst_flac_enc_generate_sink_caps(void)742 gst_flac_enc_generate_sink_caps (void)
743 {
744 GstCaps *ret;
745 gint i;
746 GValue v_list = { 0, };
747 GValue v = { 0, };
748 GstStructure *s, *s2;
749
750 g_value_init (&v_list, GST_TYPE_LIST);
751 g_value_init (&v, G_TYPE_STRING);
752
753 /* Use system's endianness */
754 g_value_set_static_string (&v, "S8");
755 gst_value_list_append_value (&v_list, &v);
756 g_value_set_static_string (&v, GST_AUDIO_NE (S16));
757 gst_value_list_append_value (&v_list, &v);
758 g_value_set_static_string (&v, GST_AUDIO_NE (S24));
759 gst_value_list_append_value (&v_list, &v);
760 g_value_set_static_string (&v, GST_AUDIO_NE (S24_32));
761 gst_value_list_append_value (&v_list, &v);
762 g_value_unset (&v);
763
764 s = gst_structure_new_empty ("audio/x-raw");
765 gst_structure_take_value (s, "format", &v_list);
766
767 gst_structure_set (s, "layout", G_TYPE_STRING, "interleaved",
768 "rate", GST_TYPE_INT_RANGE, 1, 655350, NULL);
769
770 ret = gst_caps_new_empty ();
771 s2 = gst_structure_copy (s);
772 gst_structure_set (s2, "channels", G_TYPE_INT, 1, NULL);
773 gst_caps_append_structure (ret, s2);
774 for (i = 2; i <= 8; i++) {
775 guint64 channel_mask;
776
777 s2 = gst_structure_copy (s);
778 gst_audio_channel_positions_to_mask (channel_positions[i - 1], i,
779 FALSE, &channel_mask);
780 gst_structure_set (s2, "channels", G_TYPE_INT, i, "channel-mask",
781 GST_TYPE_BITMASK, channel_mask, NULL);
782
783 gst_caps_append_structure (ret, s2);
784 }
785 gst_structure_free (s);
786
787 return ret;
788 }
789
790 static GstCaps *
gst_flac_enc_getcaps(GstAudioEncoder * enc,GstCaps * filter)791 gst_flac_enc_getcaps (GstAudioEncoder * enc, GstCaps * filter)
792 {
793 GstCaps *ret = NULL, *caps = NULL;
794 GstPad *pad;
795
796 pad = GST_AUDIO_ENCODER_SINK_PAD (enc);
797
798 ret = gst_pad_get_current_caps (pad);
799 if (ret == NULL) {
800 ret = gst_pad_get_pad_template_caps (pad);
801 }
802
803 GST_DEBUG_OBJECT (pad, "Return caps %" GST_PTR_FORMAT, ret);
804
805 caps = gst_audio_encoder_proxy_getcaps (enc, ret, filter);
806 gst_caps_unref (ret);
807
808 return caps;
809 }
810
811 static guint64
gst_flac_enc_peer_query_total_samples(GstFlacEnc * flacenc,GstPad * pad)812 gst_flac_enc_peer_query_total_samples (GstFlacEnc * flacenc, GstPad * pad)
813 {
814 gint64 duration;
815 GstAudioInfo *info =
816 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (flacenc));
817
818 GST_DEBUG_OBJECT (flacenc, "querying peer for DEFAULT format duration");
819 if (gst_pad_peer_query_duration (pad, GST_FORMAT_DEFAULT, &duration)
820 && duration != GST_CLOCK_TIME_NONE)
821 goto done;
822
823 GST_DEBUG_OBJECT (flacenc, "querying peer for TIME format duration");
824
825 if (gst_pad_peer_query_duration (pad, GST_FORMAT_TIME, &duration)
826 && duration != GST_CLOCK_TIME_NONE) {
827 GST_DEBUG_OBJECT (flacenc, "peer reported duration %" GST_TIME_FORMAT,
828 GST_TIME_ARGS (duration));
829 duration = GST_CLOCK_TIME_TO_FRAMES (duration, GST_AUDIO_INFO_RATE (info));
830
831 goto done;
832 }
833
834 GST_DEBUG_OBJECT (flacenc, "Upstream reported no total samples");
835 return GST_CLOCK_TIME_NONE;
836
837 done:
838 GST_DEBUG_OBJECT (flacenc,
839 "Upstream reported %" G_GUINT64_FORMAT " total samples", duration);
840
841 return duration;
842 }
843
844 static gint64
gst_flac_enc_get_latency(GstFlacEnc * flacenc)845 gst_flac_enc_get_latency (GstFlacEnc * flacenc)
846 {
847 /* The FLAC specification states that the data is processed in blocks,
848 * regardless of the number of channels. Thus, The latency can be calculated
849 * using the blocksize and rate. For example a 1 second block sampled at
850 * 44.1KHz has a blocksize of 44100 */
851
852 /* Get the blocksize */
853 const guint blocksize = FLAC__stream_encoder_get_blocksize (flacenc->encoder);
854
855 /* Get the sample rate in KHz */
856 const guint rate = FLAC__stream_encoder_get_sample_rate (flacenc->encoder);
857 if (!rate)
858 return 0;
859
860 /* Calculate the latecy */
861 return (blocksize * GST_SECOND) / rate;
862 }
863
864 static gboolean
gst_flac_enc_set_format(GstAudioEncoder * enc,GstAudioInfo * info)865 gst_flac_enc_set_format (GstAudioEncoder * enc, GstAudioInfo * info)
866 {
867 GstFlacEnc *flacenc;
868 guint64 total_samples = GST_CLOCK_TIME_NONE;
869 FLAC__StreamEncoderInitStatus init_status;
870
871 flacenc = GST_FLAC_ENC (enc);
872
873 /* if configured again, means something changed, can't handle that */
874 if (FLAC__stream_encoder_get_state (flacenc->encoder) !=
875 FLAC__STREAM_ENCODER_UNINITIALIZED)
876 goto encoder_already_initialized;
877
878 /* delay setting output caps/format until we have all headers */
879
880 gst_audio_get_channel_reorder_map (GST_AUDIO_INFO_CHANNELS (info),
881 channel_positions[GST_AUDIO_INFO_CHANNELS (info) - 1], info->position,
882 flacenc->channel_reorder_map);
883
884 total_samples = gst_flac_enc_peer_query_total_samples (flacenc,
885 GST_AUDIO_ENCODER_SINK_PAD (enc));
886
887 FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder,
888 GST_AUDIO_INFO_DEPTH (info));
889 FLAC__stream_encoder_set_sample_rate (flacenc->encoder,
890 GST_AUDIO_INFO_RATE (info));
891 FLAC__stream_encoder_set_channels (flacenc->encoder,
892 GST_AUDIO_INFO_CHANNELS (info));
893
894 if (total_samples != GST_CLOCK_TIME_NONE)
895 FLAC__stream_encoder_set_total_samples_estimate (flacenc->encoder,
896 MIN (total_samples, G_GUINT64_CONSTANT (0x0FFFFFFFFF)));
897
898 gst_flac_enc_set_metadata (flacenc, info, total_samples);
899
900 /* callbacks clear to go now;
901 * write callbacks receives headers during init */
902 flacenc->stopped = FALSE;
903
904 init_status = FLAC__stream_encoder_init_stream (flacenc->encoder,
905 gst_flac_enc_write_callback, gst_flac_enc_seek_callback,
906 gst_flac_enc_tell_callback, NULL, flacenc);
907 if (init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
908 goto failed_to_initialize;
909
910 /* feedback to base class */
911 gst_audio_encoder_set_latency (enc,
912 gst_flac_enc_get_latency (flacenc), gst_flac_enc_get_latency (flacenc));
913
914 return TRUE;
915
916 encoder_already_initialized:
917 {
918 g_warning ("flac already initialized -- fixme allow this");
919 return FALSE;
920 }
921 failed_to_initialize:
922 {
923 GST_ELEMENT_ERROR (flacenc, LIBRARY, INIT, (NULL),
924 ("could not initialize encoder (wrong parameters?) %d", init_status));
925 return FALSE;
926 }
927 }
928
929 static gboolean
gst_flac_enc_update_quality(GstFlacEnc * flacenc,gint quality)930 gst_flac_enc_update_quality (GstFlacEnc * flacenc, gint quality)
931 {
932 GstAudioInfo *info =
933 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (flacenc));
934
935 flacenc->quality = quality;
936
937 #define DO_UPDATE(name, val, str) \
938 G_STMT_START { \
939 if (FLAC__stream_encoder_get_##name (flacenc->encoder) != \
940 flacenc_params[quality].val) { \
941 FLAC__stream_encoder_set_##name (flacenc->encoder, \
942 flacenc_params[quality].val); \
943 g_object_notify (G_OBJECT (flacenc), str); \
944 } \
945 } G_STMT_END
946
947 g_object_freeze_notify (G_OBJECT (flacenc));
948
949 if (GST_AUDIO_INFO_CHANNELS (info) == 2
950 || GST_AUDIO_INFO_CHANNELS (info) == 0) {
951 DO_UPDATE (do_mid_side_stereo, mid_side, "mid_side_stereo");
952 DO_UPDATE (loose_mid_side_stereo, loose_mid_side, "loose_mid_side");
953 }
954
955 DO_UPDATE (blocksize, blocksize, "blocksize");
956 DO_UPDATE (max_lpc_order, max_lpc_order, "max_lpc_order");
957 DO_UPDATE (qlp_coeff_precision, qlp_coeff_precision, "qlp_coeff_precision");
958 DO_UPDATE (do_qlp_coeff_prec_search, qlp_coeff_prec_search,
959 "qlp_coeff_prec_search");
960 DO_UPDATE (do_escape_coding, escape_coding, "escape_coding");
961 DO_UPDATE (do_exhaustive_model_search, exhaustive_model_search,
962 "exhaustive_model_search");
963 DO_UPDATE (min_residual_partition_order, min_residual_partition_order,
964 "min_residual_partition_order");
965 DO_UPDATE (max_residual_partition_order, max_residual_partition_order,
966 "max_residual_partition_order");
967 DO_UPDATE (rice_parameter_search_dist, rice_parameter_search_dist,
968 "rice_parameter_search_dist");
969
970 #undef DO_UPDATE
971
972 g_object_thaw_notify (G_OBJECT (flacenc));
973
974 return TRUE;
975 }
976
977 static FLAC__StreamEncoderSeekStatus
gst_flac_enc_seek_callback(const FLAC__StreamEncoder * encoder,FLAC__uint64 absolute_byte_offset,void * client_data)978 gst_flac_enc_seek_callback (const FLAC__StreamEncoder * encoder,
979 FLAC__uint64 absolute_byte_offset, void *client_data)
980 {
981 GstFlacEnc *flacenc;
982 GstPad *peerpad;
983 GstSegment seg;
984
985 flacenc = GST_FLAC_ENC (client_data);
986
987 if (flacenc->stopped)
988 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
989
990 if ((peerpad = gst_pad_get_peer (GST_AUDIO_ENCODER_SRC_PAD (flacenc)))) {
991 GstEvent *event;
992 gboolean ret;
993 GstQuery *query;
994 gboolean seekable = FALSE;
995
996 /* try to seek to the beginning of the output */
997 query = gst_query_new_seeking (GST_FORMAT_BYTES);
998 if (gst_pad_query (peerpad, query)) {
999 GstFormat format;
1000
1001 gst_query_parse_seeking (query, &format, &seekable, NULL, NULL);
1002 if (format != GST_FORMAT_BYTES)
1003 seekable = FALSE;
1004 } else {
1005 GST_LOG_OBJECT (flacenc, "SEEKING query not handled");
1006 }
1007 gst_query_unref (query);
1008
1009 if (!seekable) {
1010 GST_DEBUG_OBJECT (flacenc, "downstream not seekable; not rewriting");
1011 gst_object_unref (peerpad);
1012 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
1013 }
1014
1015 gst_segment_init (&seg, GST_FORMAT_BYTES);
1016 seg.start = absolute_byte_offset;
1017 seg.stop = GST_BUFFER_OFFSET_NONE;
1018 seg.time = 0;
1019 event = gst_event_new_segment (&seg);
1020
1021 ret = gst_pad_send_event (peerpad, event);
1022 gst_object_unref (peerpad);
1023
1024 if (ret) {
1025 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s",
1026 (guint64) absolute_byte_offset, "succeeded");
1027 } else {
1028 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " %s",
1029 (guint64) absolute_byte_offset, "failed");
1030 return FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED;
1031 }
1032 } else {
1033 GST_DEBUG ("Seek to %" G_GUINT64_FORMAT " failed (no peer pad)",
1034 (guint64) absolute_byte_offset);
1035 }
1036
1037 flacenc->offset = absolute_byte_offset;
1038 return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
1039 }
1040
1041 static void
notgst_value_array_append_buffer(GValue * array_val,GstBuffer * buf)1042 notgst_value_array_append_buffer (GValue * array_val, GstBuffer * buf)
1043 {
1044 GValue value = { 0, };
1045
1046 g_value_init (&value, GST_TYPE_BUFFER);
1047 /* copy buffer to avoid problems with circular refcounts */
1048 buf = gst_buffer_copy (buf);
1049 /* again, for good measure */
1050 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
1051 gst_value_set_buffer (&value, buf);
1052 gst_buffer_unref (buf);
1053 gst_value_array_append_value (array_val, &value);
1054 g_value_unset (&value);
1055 }
1056
1057 #define HDR_TYPE_STREAMINFO 0
1058 #define HDR_TYPE_VORBISCOMMENT 4
1059
1060 static GstFlowReturn
gst_flac_enc_process_stream_headers(GstFlacEnc * enc)1061 gst_flac_enc_process_stream_headers (GstFlacEnc * enc)
1062 {
1063 GstBuffer *vorbiscomment = NULL;
1064 GstBuffer *streaminfo = NULL;
1065 GstBuffer *marker = NULL;
1066 GValue array = { 0, };
1067 GstCaps *caps;
1068 GList *l;
1069 GstFlowReturn ret = GST_FLOW_OK;
1070 GstAudioInfo *info =
1071 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (enc));
1072
1073 caps = gst_caps_new_simple ("audio/x-flac",
1074 "channels", G_TYPE_INT, GST_AUDIO_INFO_CHANNELS (info),
1075 "rate", G_TYPE_INT, GST_AUDIO_INFO_RATE (info), NULL);
1076
1077 for (l = enc->headers; l != NULL; l = l->next) {
1078 GstBuffer *buf;
1079 GstMapInfo map;
1080 guint8 *data;
1081 gsize size;
1082
1083 /* mark buffers so oggmux will ignore them if it already muxed the
1084 * header buffers from the streamheaders field in the caps */
1085 l->data = gst_buffer_make_writable (GST_BUFFER_CAST (l->data));
1086
1087 buf = GST_BUFFER_CAST (l->data);
1088 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
1089
1090 gst_buffer_map (buf, &map, GST_MAP_READ);
1091 data = map.data;
1092 size = map.size;
1093
1094 /* find initial 4-byte marker which we need to skip later on */
1095 if (size == 4 && memcmp (data, "fLaC", 4) == 0) {
1096 marker = buf;
1097 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_STREAMINFO) {
1098 streaminfo = buf;
1099 } else if (size > 1 && (data[0] & 0x7f) == HDR_TYPE_VORBISCOMMENT) {
1100 vorbiscomment = buf;
1101 }
1102
1103 gst_buffer_unmap (buf, &map);
1104 }
1105
1106 if (marker == NULL || streaminfo == NULL || vorbiscomment == NULL) {
1107 GST_WARNING_OBJECT (enc, "missing header %p %p %p, muxing into container "
1108 "formats may be broken", marker, streaminfo, vorbiscomment);
1109 goto push_headers;
1110 }
1111
1112 g_value_init (&array, GST_TYPE_ARRAY);
1113
1114 /* add marker including STREAMINFO header */
1115 {
1116 GstBuffer *buf;
1117 guint16 num;
1118 GstMapInfo map;
1119 guint8 *bdata;
1120 gsize slen;
1121
1122 /* minus one for the marker that is merged with streaminfo here */
1123 num = g_list_length (enc->headers) - 1;
1124
1125 slen = gst_buffer_get_size (streaminfo);
1126 buf = gst_buffer_new_and_alloc (13 + slen);
1127
1128 gst_buffer_map (buf, &map, GST_MAP_WRITE);
1129 bdata = map.data;
1130 bdata[0] = 0x7f;
1131 memcpy (bdata + 1, "FLAC", 4);
1132 bdata[5] = 0x01; /* mapping version major */
1133 bdata[6] = 0x00; /* mapping version minor */
1134 bdata[7] = (num & 0xFF00) >> 8;
1135 bdata[8] = (num & 0x00FF) >> 0;
1136 memcpy (bdata + 9, "fLaC", 4);
1137 gst_buffer_extract (streaminfo, 0, bdata + 13, slen);
1138 gst_buffer_unmap (buf, &map);
1139
1140 notgst_value_array_append_buffer (&array, buf);
1141 gst_buffer_unref (buf);
1142 }
1143
1144 /* add VORBISCOMMENT header */
1145 notgst_value_array_append_buffer (&array, vorbiscomment);
1146
1147 /* add other headers, if there are any */
1148 for (l = enc->headers; l != NULL; l = l->next) {
1149 GstBuffer *buf = GST_BUFFER_CAST (l->data);
1150
1151 if (buf != marker && buf != streaminfo && buf != vorbiscomment) {
1152 notgst_value_array_append_buffer (&array, buf);
1153 }
1154 }
1155
1156 gst_structure_set_value (gst_caps_get_structure (caps, 0),
1157 "streamheader", &array);
1158 g_value_unset (&array);
1159
1160 push_headers:
1161 gst_audio_encoder_set_output_format (GST_AUDIO_ENCODER (enc), caps);
1162
1163 gst_audio_encoder_set_headers (GST_AUDIO_ENCODER (enc), enc->headers);
1164 enc->headers = NULL;
1165
1166 gst_caps_unref (caps);
1167
1168 return ret;
1169 }
1170
1171 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)1172 gst_flac_enc_write_callback (const FLAC__StreamEncoder * encoder,
1173 const FLAC__byte buffer[], size_t bytes,
1174 unsigned samples, unsigned current_frame, void *client_data)
1175 {
1176 GstFlowReturn ret = GST_FLOW_OK;
1177 GstFlacEnc *flacenc;
1178 GstBuffer *outbuf;
1179 GstSegment *segment;
1180 GstClockTime duration;
1181
1182 flacenc = GST_FLAC_ENC (client_data);
1183
1184 if (flacenc->stopped)
1185 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1186
1187 outbuf = gst_buffer_new_and_alloc (bytes);
1188 gst_buffer_fill (outbuf, 0, buffer, bytes);
1189
1190 /* we assume libflac passes us stuff neatly framed */
1191 if (!flacenc->got_headers) {
1192 if (samples == 0) {
1193 GST_DEBUG_OBJECT (flacenc, "Got header, queueing (%u bytes)",
1194 (guint) bytes);
1195 flacenc->headers = g_list_append (flacenc->headers, outbuf);
1196 /* note: it's important that we increase our byte offset */
1197 goto out;
1198 } else {
1199 GST_INFO_OBJECT (flacenc, "Non-header packet, we have all headers now");
1200 ret = gst_flac_enc_process_stream_headers (flacenc);
1201 flacenc->got_headers = TRUE;
1202 }
1203 }
1204
1205 if (flacenc->got_headers && samples == 0) {
1206 /* header fixup, push downstream directly */
1207 GST_DEBUG_OBJECT (flacenc, "Fixing up headers at pos=%" G_GUINT64_FORMAT
1208 ", size=%u", flacenc->offset, (guint) bytes);
1209 #if 0
1210 GST_MEMDUMP_OBJECT (flacenc, "Presumed header fragment",
1211 GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
1212 #endif
1213 ret = gst_pad_push (GST_AUDIO_ENCODER_SRC_PAD (flacenc), outbuf);
1214 } else {
1215 /* regular frame data, pass to base class */
1216 if (flacenc->eos && flacenc->samples_in == flacenc->samples_out + samples) {
1217 /* If encoding part of a frame, and we have no set stop time on
1218 * the output segment, we update the segment stop time to reflect
1219 * the last sample. This will let oggmux set the last page's
1220 * granpos to tell a decoder the dummy samples should be clipped.
1221 */
1222 segment = &GST_AUDIO_ENCODER_OUTPUT_SEGMENT (flacenc);
1223 if (!GST_CLOCK_TIME_IS_VALID (segment->stop)) {
1224 GST_DEBUG_OBJECT (flacenc,
1225 "No stop time and partial frame, updating segment");
1226 duration =
1227 gst_util_uint64_scale (flacenc->samples_out + samples,
1228 GST_SECOND,
1229 FLAC__stream_encoder_get_sample_rate (flacenc->encoder));
1230 segment->stop = segment->start + duration;
1231 GST_DEBUG_OBJECT (flacenc, "new output segment %" GST_SEGMENT_FORMAT,
1232 segment);
1233 gst_pad_push_event (GST_AUDIO_ENCODER_SRC_PAD (flacenc),
1234 gst_event_new_segment (segment));
1235 }
1236 }
1237
1238 GST_LOG ("Pushing buffer: samples=%u, size=%u, pos=%" G_GUINT64_FORMAT,
1239 samples, (guint) bytes, flacenc->offset);
1240 ret = gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (flacenc),
1241 outbuf, samples);
1242 }
1243
1244 if (ret != GST_FLOW_OK)
1245 GST_DEBUG_OBJECT (flacenc, "flow: %s", gst_flow_get_name (ret));
1246
1247 flacenc->last_flow = ret;
1248
1249 out:
1250 flacenc->offset += bytes;
1251
1252 if (ret != GST_FLOW_OK)
1253 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1254
1255 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1256 }
1257
1258 static FLAC__StreamEncoderTellStatus
gst_flac_enc_tell_callback(const FLAC__StreamEncoder * encoder,FLAC__uint64 * absolute_byte_offset,void * client_data)1259 gst_flac_enc_tell_callback (const FLAC__StreamEncoder * encoder,
1260 FLAC__uint64 * absolute_byte_offset, void *client_data)
1261 {
1262 GstFlacEnc *flacenc = GST_FLAC_ENC (client_data);
1263
1264 *absolute_byte_offset = flacenc->offset;
1265
1266 return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
1267 }
1268
1269 static gboolean
gst_flac_enc_sink_event(GstAudioEncoder * enc,GstEvent * event)1270 gst_flac_enc_sink_event (GstAudioEncoder * enc, GstEvent * event)
1271 {
1272 GstFlacEnc *flacenc;
1273 GstTagList *taglist;
1274 GstToc *toc;
1275 gboolean ret = FALSE;
1276
1277 flacenc = GST_FLAC_ENC (enc);
1278
1279 GST_DEBUG ("Received %s event on sinkpad, %" GST_PTR_FORMAT,
1280 GST_EVENT_TYPE_NAME (event), event);
1281
1282 switch (GST_EVENT_TYPE (event)) {
1283 case GST_EVENT_EOS:
1284 flacenc->eos = TRUE;
1285 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1286 break;
1287 case GST_EVENT_TAG:
1288 if (flacenc->tags) {
1289 gst_event_parse_tag (event, &taglist);
1290 gst_tag_list_insert (flacenc->tags, taglist,
1291 gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (flacenc)));
1292 } else {
1293 g_assert_not_reached ();
1294 }
1295 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1296 break;
1297 case GST_EVENT_TOC:
1298 gst_event_parse_toc (event, &toc, NULL);
1299 if (toc) {
1300 if (flacenc->toc != toc) {
1301 if (flacenc->toc)
1302 gst_toc_unref (flacenc->toc);
1303 flacenc->toc = toc;
1304 }
1305 }
1306 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1307 break;
1308 case GST_EVENT_SEGMENT:
1309 flacenc->samples_in = 0;
1310 flacenc->samples_out = 0;
1311 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1312 break;
1313 default:
1314 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_event (enc, event);
1315 break;
1316 }
1317
1318 return ret;
1319 }
1320
1321 static gboolean
gst_flac_enc_sink_query(GstAudioEncoder * enc,GstQuery * query)1322 gst_flac_enc_sink_query (GstAudioEncoder * enc, GstQuery * query)
1323 {
1324 GstPad *pad = GST_AUDIO_ENCODER_SINK_PAD (enc);
1325 gboolean ret = FALSE;
1326
1327 GST_DEBUG ("Received %s query on sinkpad, %" GST_PTR_FORMAT,
1328 GST_QUERY_TYPE_NAME (query), query);
1329
1330 switch (GST_QUERY_TYPE (query)) {
1331 case GST_QUERY_ACCEPT_CAPS:{
1332 GstCaps *acceptable, *caps;
1333
1334 acceptable = gst_pad_get_current_caps (pad);
1335 if (acceptable == NULL) {
1336 acceptable = gst_pad_get_pad_template_caps (pad);
1337 }
1338
1339 gst_query_parse_accept_caps (query, &caps);
1340
1341 gst_query_set_accept_caps_result (query,
1342 gst_caps_is_subset (caps, acceptable));
1343 gst_caps_unref (acceptable);
1344 ret = TRUE;
1345 }
1346 break;
1347 default:
1348 ret = GST_AUDIO_ENCODER_CLASS (parent_class)->sink_query (enc, query);
1349 break;
1350 }
1351
1352 return ret;
1353 }
1354
1355 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
1356 #define READ_INT24 GST_READ_UINT24_LE
1357 #else
1358 #define READ_INT24 GST_READ_UINT24_BE
1359 #endif
1360
1361 static GstFlowReturn
gst_flac_enc_handle_frame(GstAudioEncoder * enc,GstBuffer * buffer)1362 gst_flac_enc_handle_frame (GstAudioEncoder * enc, GstBuffer * buffer)
1363 {
1364 GstFlacEnc *flacenc;
1365 FLAC__int32 *data;
1366 gint samples, width, channels;
1367 gulong i;
1368 gint j;
1369 FLAC__bool res;
1370 GstMapInfo map;
1371 GstAudioInfo *info =
1372 gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (enc));
1373 gint *reorder_map;
1374
1375 flacenc = GST_FLAC_ENC (enc);
1376
1377 /* base class ensures configuration */
1378 g_return_val_if_fail (GST_AUDIO_INFO_WIDTH (info) != 0,
1379 GST_FLOW_NOT_NEGOTIATED);
1380
1381 width = GST_AUDIO_INFO_WIDTH (info);
1382 channels = GST_AUDIO_INFO_CHANNELS (info);
1383 reorder_map = flacenc->channel_reorder_map;
1384
1385 if (G_UNLIKELY (!buffer)) {
1386 if (flacenc->eos) {
1387 GST_DEBUG_OBJECT (flacenc, "finish encoding");
1388 FLAC__stream_encoder_finish (flacenc->encoder);
1389 } else {
1390 /* can't handle intermittent draining/resyncing */
1391 GST_ELEMENT_WARNING (flacenc, STREAM, FORMAT, (NULL),
1392 ("Stream discontinuity detected. "
1393 "The output may have wrong timestamps, "
1394 "consider using audiorate to handle discontinuities"));
1395 }
1396 return flacenc->last_flow;
1397 }
1398
1399 gst_buffer_map (buffer, &map, GST_MAP_READ);
1400 samples = map.size / (width >> 3);
1401
1402 data = g_malloc (samples * sizeof (FLAC__int32));
1403
1404 samples /= channels;
1405 GST_LOG_OBJECT (flacenc, "processing %d samples, %d channels", samples,
1406 channels);
1407 if (width == 8) {
1408 gint8 *indata = (gint8 *) map.data;
1409
1410 for (i = 0; i < samples; i++)
1411 for (j = 0; j < channels; j++)
1412 data[i * channels + reorder_map[j]] =
1413 (FLAC__int32) indata[i * channels + j];
1414 } else if (width == 16) {
1415 gint16 *indata = (gint16 *) map.data;
1416
1417 for (i = 0; i < samples; i++)
1418 for (j = 0; j < channels; j++)
1419 data[i * channels + reorder_map[j]] =
1420 (FLAC__int32) indata[i * channels + j];
1421 } else if (width == 24) {
1422 guint8 *indata = (guint8 *) map.data;
1423 guint32 val;
1424
1425 for (i = 0; i < samples; i++)
1426 for (j = 0; j < channels; j++) {
1427 val = READ_INT24 (&indata[3 * (i * channels + j)]);
1428 if (val & 0x00800000)
1429 val |= 0xff000000;
1430 data[i * channels + reorder_map[j]] = (FLAC__int32) val;
1431 }
1432 } else if (width == 32) {
1433 gint32 *indata = (gint32 *) map.data;
1434
1435 for (i = 0; i < samples; i++)
1436 for (j = 0; j < channels; j++)
1437 data[i * channels + reorder_map[j]] =
1438 (FLAC__int32) indata[i * channels + j];
1439 } else {
1440 g_assert_not_reached ();
1441 }
1442 gst_buffer_unmap (buffer, &map);
1443
1444 res = FLAC__stream_encoder_process_interleaved (flacenc->encoder,
1445 (const FLAC__int32 *) data, samples);
1446 flacenc->samples_in += samples;
1447
1448 g_free (data);
1449
1450 if (!res) {
1451 if (flacenc->last_flow == GST_FLOW_OK)
1452 return GST_FLOW_ERROR;
1453 else
1454 return flacenc->last_flow;
1455 }
1456
1457 return GST_FLOW_OK;
1458 }
1459
1460 static void
gst_flac_enc_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)1461 gst_flac_enc_set_property (GObject * object, guint prop_id,
1462 const GValue * value, GParamSpec * pspec)
1463 {
1464 GstFlacEnc *this = GST_FLAC_ENC (object);
1465 GstAudioEncoder *enc = GST_AUDIO_ENCODER (object);
1466 guint64 curr_latency = 0, old_latency = gst_flac_enc_get_latency (this);
1467
1468 GST_OBJECT_LOCK (this);
1469
1470 switch (prop_id) {
1471 case PROP_QUALITY:
1472 gst_flac_enc_update_quality (this, g_value_get_enum (value));
1473 break;
1474 case PROP_STREAMABLE_SUBSET:
1475 FLAC__stream_encoder_set_streamable_subset (this->encoder,
1476 g_value_get_boolean (value));
1477 break;
1478 case PROP_MID_SIDE_STEREO:
1479 FLAC__stream_encoder_set_do_mid_side_stereo (this->encoder,
1480 g_value_get_boolean (value));
1481 break;
1482 case PROP_LOOSE_MID_SIDE_STEREO:
1483 FLAC__stream_encoder_set_loose_mid_side_stereo (this->encoder,
1484 g_value_get_boolean (value));
1485 break;
1486 case PROP_BLOCKSIZE:
1487 FLAC__stream_encoder_set_blocksize (this->encoder,
1488 g_value_get_uint (value));
1489 break;
1490 case PROP_MAX_LPC_ORDER:
1491 FLAC__stream_encoder_set_max_lpc_order (this->encoder,
1492 g_value_get_uint (value));
1493 break;
1494 case PROP_QLP_COEFF_PRECISION:
1495 FLAC__stream_encoder_set_qlp_coeff_precision (this->encoder,
1496 g_value_get_uint (value));
1497 break;
1498 case PROP_QLP_COEFF_PREC_SEARCH:
1499 FLAC__stream_encoder_set_do_qlp_coeff_prec_search (this->encoder,
1500 g_value_get_boolean (value));
1501 break;
1502 case PROP_ESCAPE_CODING:
1503 FLAC__stream_encoder_set_do_escape_coding (this->encoder,
1504 g_value_get_boolean (value));
1505 break;
1506 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1507 FLAC__stream_encoder_set_do_exhaustive_model_search (this->encoder,
1508 g_value_get_boolean (value));
1509 break;
1510 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1511 FLAC__stream_encoder_set_min_residual_partition_order (this->encoder,
1512 g_value_get_uint (value));
1513 break;
1514 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1515 FLAC__stream_encoder_set_max_residual_partition_order (this->encoder,
1516 g_value_get_uint (value));
1517 break;
1518 case PROP_RICE_PARAMETER_SEARCH_DIST:
1519 FLAC__stream_encoder_set_rice_parameter_search_dist (this->encoder,
1520 g_value_get_uint (value));
1521 break;
1522 case PROP_PADDING:
1523 this->padding = g_value_get_uint (value);
1524 break;
1525 case PROP_SEEKPOINTS:
1526 this->seekpoints = g_value_get_int (value);
1527 break;
1528 default:
1529 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1530 break;
1531 }
1532
1533 GST_OBJECT_UNLOCK (this);
1534
1535 /* Update latency if it has changed */
1536 curr_latency = gst_flac_enc_get_latency (this);
1537 if (old_latency != curr_latency)
1538 gst_audio_encoder_set_latency (enc, curr_latency, curr_latency);
1539 }
1540
1541 static void
gst_flac_enc_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)1542 gst_flac_enc_get_property (GObject * object, guint prop_id,
1543 GValue * value, GParamSpec * pspec)
1544 {
1545 GstFlacEnc *this = GST_FLAC_ENC (object);
1546
1547 GST_OBJECT_LOCK (this);
1548
1549 switch (prop_id) {
1550 case PROP_QUALITY:
1551 g_value_set_enum (value, this->quality);
1552 break;
1553 case PROP_STREAMABLE_SUBSET:
1554 g_value_set_boolean (value,
1555 FLAC__stream_encoder_get_streamable_subset (this->encoder));
1556 break;
1557 case PROP_MID_SIDE_STEREO:
1558 g_value_set_boolean (value,
1559 FLAC__stream_encoder_get_do_mid_side_stereo (this->encoder));
1560 break;
1561 case PROP_LOOSE_MID_SIDE_STEREO:
1562 g_value_set_boolean (value,
1563 FLAC__stream_encoder_get_loose_mid_side_stereo (this->encoder));
1564 break;
1565 case PROP_BLOCKSIZE:
1566 g_value_set_uint (value,
1567 FLAC__stream_encoder_get_blocksize (this->encoder));
1568 break;
1569 case PROP_MAX_LPC_ORDER:
1570 g_value_set_uint (value,
1571 FLAC__stream_encoder_get_max_lpc_order (this->encoder));
1572 break;
1573 case PROP_QLP_COEFF_PRECISION:
1574 g_value_set_uint (value,
1575 FLAC__stream_encoder_get_qlp_coeff_precision (this->encoder));
1576 break;
1577 case PROP_QLP_COEFF_PREC_SEARCH:
1578 g_value_set_boolean (value,
1579 FLAC__stream_encoder_get_do_qlp_coeff_prec_search (this->encoder));
1580 break;
1581 case PROP_ESCAPE_CODING:
1582 g_value_set_boolean (value,
1583 FLAC__stream_encoder_get_do_escape_coding (this->encoder));
1584 break;
1585 case PROP_EXHAUSTIVE_MODEL_SEARCH:
1586 g_value_set_boolean (value,
1587 FLAC__stream_encoder_get_do_exhaustive_model_search (this->encoder));
1588 break;
1589 case PROP_MIN_RESIDUAL_PARTITION_ORDER:
1590 g_value_set_uint (value,
1591 FLAC__stream_encoder_get_min_residual_partition_order
1592 (this->encoder));
1593 break;
1594 case PROP_MAX_RESIDUAL_PARTITION_ORDER:
1595 g_value_set_uint (value,
1596 FLAC__stream_encoder_get_max_residual_partition_order
1597 (this->encoder));
1598 break;
1599 case PROP_RICE_PARAMETER_SEARCH_DIST:
1600 g_value_set_uint (value,
1601 FLAC__stream_encoder_get_rice_parameter_search_dist (this->encoder));
1602 break;
1603 case PROP_PADDING:
1604 g_value_set_uint (value, this->padding);
1605 break;
1606 case PROP_SEEKPOINTS:
1607 g_value_set_int (value, this->seekpoints);
1608 break;
1609 default:
1610 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1611 break;
1612 }
1613
1614 GST_OBJECT_UNLOCK (this);
1615 }
1616