-
Notifications
You must be signed in to change notification settings - Fork 10
/
Copy pathgstdvbaudiosink.c
1615 lines (1499 loc) · 44.1 KB
/
gstdvbaudiosink.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* GStreamer DVB Media Sink
*
* Copyright 2011 <[email protected]>
*
* based on code by:
* Copyright 2006 Felix Domke <[email protected]>
* Copyright 2005 Thomas Vander Stichele <[email protected]>
* Copyright 2005 Ronald S. Bultje <[email protected]>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files(the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1(the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or(at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:element-plugin
*
* <refsect2>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch -v -m audiotestsrc ! plugin ! fakesink silent=TRUE
* </programlisting>
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef __sh__
#include <linux/dvb/stm_ioctls.h>
#endif
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/base/gstbasesink.h>
#include <gst/audio/gstaudiodecoder.h>
#include "common.h"
#include "gstdvbaudiosink.h"
#include "gstdvbsink-marshal.h"
GST_DEBUG_CATEGORY_STATIC(dvbaudiosink_debug);
#define GST_CAT_DEFAULT dvbaudiosink_debug
enum
{
PROP_0,
PROP_SYNC,
PROP_LAST,
};
enum
{
SIGNAL_GET_DECODER_TIME,
LAST_SIGNAL
};
static guint gst_dvbaudiosink_signals[LAST_SIGNAL] = { 0 };
#if defined(HAVE_DTSDOWNMIX) && !defined(HAVE_DTS)
#define HAVE_DTS
#endif
#ifdef HAVE_MP3
#define MPEGCAPS \
"audio/mpeg, " \
"mpegversion = (int) 1, " \
"layer = (int) [ 1, 3 ], " \
"parsed = (boolean) true; " \
"audio/mpeg, " \
"mpegversion = (int) { 2, 4 }, " \
"profile = (string) lc, " \
"stream-format = (string) { raw, adts, adif }, " \
"framed = (boolean) true; " \
"audio/mpeg, " \
"mpegversion = (int) { 2, 4 }, " \
"stream-format = (string) loas, " \
"framed = (boolean) true; "
#else
#define MPEGCAPS \
"audio/mpeg, " \
"mpegversion = (int) 1, " \
"layer = (int) [ 1, 2 ], " \
"parsed = (boolean) true; "
#endif
#define AC3CAPS \
"audio/x-ac3, " \
"framed =(boolean) true; " \
"audio/x-private1-ac3, " \
"framed =(boolean) true; "
#define EAC3CAPS \
"audio/x-eac3, " \
"framed =(boolean) true; " \
"audio/x-private1-eac3, " \
"framed =(boolean) true; "
#define LPCMCAPS \
"audio/x-private1-lpcm; "
#define DTSCAPS \
"audio/x-dts, " \
"framed =(boolean) true; " \
"audio/x-private1-dts, " \
"framed =(boolean) true; "
#define WMACAPS \
"audio/x-wma; " \
#define AMRCAPS \
"audio/AMR, " \
"rate = (int) {8000, 16000}, channels = (int) 1; "
#define XRAW "audio/x-raw"
#if defined(DREAMBOX) || defined(MAX_PCMRATE_48K)
#define PCMCAPS \
"audio/x-raw, " \
"format = (string) { "GST_AUDIO_NE(S32)", "GST_AUDIO_NE(S24)", "GST_AUDIO_NE(S16)", S8, "GST_AUDIO_NE(U32)", "GST_AUDIO_NE(U24)", "GST_AUDIO_NE(U16)", U8 }, " \
"layout = (string) { interleaved, non-interleaved }, " \
"rate = (int) [ 1, 48000 ], " "channels = (int) [ 1, 2 ]; "
#else
#define PCMCAPS \
"audio/x-raw, " \
"format = (string) { "GST_AUDIO_NE(S32)", "GST_AUDIO_NE(S24)", "GST_AUDIO_NE(S16)", S8, "GST_AUDIO_NE(U32)", "GST_AUDIO_NE(U24)", "GST_AUDIO_NE(U16)", U8 }, " \
"layout = (string) { interleaved, non-interleaved }, " \
"rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
#endif
static GstStaticPadTemplate sink_factory =
GST_STATIC_PAD_TEMPLATE(
"sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS(
MPEGCAPS
AC3CAPS
#ifdef HAVE_EAC3
EAC3CAPS
#endif
#ifdef HAVE_DTS
DTSCAPS
#endif
#ifdef HAVE_LPCM
LPCMCAPS
#endif
#ifdef HAVE_WMA
WMACAPS
#endif
#ifdef HAVE_AMR
AMRCAPS
#endif
#ifdef HAVE_PCM
PCMCAPS
#endif
)
);
#define AUDIO_ENCODING_UNKNOWN 0xFF
unsigned int bypass_to_encoding (unsigned int bypass)
{
#ifdef AUDIO_SET_ENCODING
switch(bypass)
{
case AUDIOTYPE_AC3:
case AUDIOTYPE_AC3_PLUS:
return AUDIO_ENCODING_AC3;
case AUDIOTYPE_MPEG:
return AUDIO_ENCODING_MPEG1;
case AUDIOTYPE_DTS:
return AUDIO_ENCODING_DTS;
case AUDIOTYPE_LPCM:
return AUDIO_ENCODING_LPCMA;
case AUDIOTYPE_MP3:
return AUDIO_ENCODING_MP3;
case AUDIOTYPE_AAC_PLUS:
return AUDIO_ENCODING_AAC;
case AUDIOTYPE_WMA:
case AUDIOTYPE_WMA_PRO:
return AUDIO_ENCODING_WMA;
default:
return AUDIO_ENCODING_UNKNOWN;
}
#endif
return AUDIO_ENCODING_UNKNOWN;
}
static void gst_dvbaudiosink_init(GstDVBAudioSink *self);
static void gst_dvbaudiosink_dispose(GObject *obj);
static void gst_dvbaudiosink_reset(GObject *obj);
static void gst_dvbaudiosink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_dvbaudiosink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT(dvbaudiosink_debug, "dvbaudiosink", 0, "dvbaudiosink element");
static GstBaseSinkClass *parent_class = NULL;
G_DEFINE_TYPE_WITH_CODE(GstDVBAudioSink, gst_dvbaudiosink, GST_TYPE_BASE_SINK, DEBUG_INIT);
static gboolean gst_dvbaudiosink_start(GstBaseSink * sink);
static gboolean gst_dvbaudiosink_stop(GstBaseSink * sink);
static gboolean gst_dvbaudiosink_event(GstBaseSink * sink, GstEvent * event);
static GstFlowReturn gst_dvbaudiosink_render(GstBaseSink * sink, GstBuffer * buffer);
static gboolean gst_dvbaudiosink_unlock(GstBaseSink * basesink);
static gboolean gst_dvbaudiosink_unlock_stop(GstBaseSink * basesink);
static gboolean gst_dvbaudiosink_set_caps(GstBaseSink * sink, GstCaps * caps);
static GstCaps *gst_dvbaudiosink_get_caps(GstBaseSink *basesink, GstCaps *filter);
static GstStateChangeReturn gst_dvbaudiosink_change_state(GstElement * element, GstStateChange transition);
static gint64 gst_dvbaudiosink_get_decoder_time(GstDVBAudioSink *self);
/* initialize the plugin's class */
static void gst_dvbaudiosink_class_init(GstDVBAudioSinkClass *self)
{
GObjectClass *gobject_class = G_OBJECT_CLASS(self);
GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS(self);
GstElementClass *element_class = GST_ELEMENT_CLASS(self);
parent_class = g_type_class_peek_parent(self);
gobject_class->finalize = gst_dvbaudiosink_reset;
gobject_class->dispose = gst_dvbaudiosink_dispose;
gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&sink_factory));
gst_element_class_set_static_metadata(element_class,
"DVB audio sink",
"Generic/DVBAudioSink",
"Outputs PES into a linuxtv dvb audio device",
"PLi team");
gobject_class->set_property = gst_dvbaudiosink_set_property;
gobject_class->get_property = gst_dvbaudiosink_get_property;
g_object_class_install_property (gobject_class, PROP_SYNC,
g_param_spec_boolean ("sync", "Sync", "Sync on the clock", FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gstbasesink_class->start = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_start);
gstbasesink_class->stop = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_stop);
gstbasesink_class->render = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_render);
gstbasesink_class->event = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_event);
gstbasesink_class->unlock = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_unlock);
gstbasesink_class->unlock_stop = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_unlock_stop);
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_set_caps);
gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_get_caps);
element_class->change_state = GST_DEBUG_FUNCPTR(gst_dvbaudiosink_change_state);
gst_dvbaudiosink_signals[SIGNAL_GET_DECODER_TIME] =
g_signal_new("get-decoder-time",
G_TYPE_FROM_CLASS(self),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET(GstDVBAudioSinkClass, get_decoder_time),
NULL, NULL, gst_dvbsink_marshal_INT64__VOID, G_TYPE_INT64, 0);
self->get_decoder_time = gst_dvbaudiosink_get_decoder_time;
}
/* initialize the new element
* instantiate pads and add them to element
* set functions
* initialize structure
*/
static void gst_dvbaudiosink_init(GstDVBAudioSink *self)
{
self->codec_data = NULL;
self->bypass = AUDIOTYPE_UNKNOWN;
self->fixed_buffersize = 0;
self->fixed_bufferduration = GST_CLOCK_TIME_NONE;
self->fixed_buffertimestamp = GST_CLOCK_TIME_NONE;
self->aac_adts_header_valid = FALSE;
self->pesheader_buffer = NULL;
self->cache = NULL;
self->playing = self->flushing = self->unlocking = self->paused = self->first_paused = FALSE;
self->pts_written = self->using_dts_downmix = self->first_paused = FALSE;
self->lastpts = 0;
self->timestamp_offset = 0;
self->queue = NULL;
self->fd = -1;
self->unlockfd[0] = self->unlockfd[1] = -1;
self->rate = 1.0;
self->timestamp = GST_CLOCK_TIME_NONE;
#ifdef AUDIO_SET_ENCODING
self->use_set_encoding = TRUE;
#else
self->use_set_encoding = FALSE;
#endif
#ifdef VUPLUS
gst_base_sink_set_sync(GST_BASE_SINK(self), FALSE);
gst_base_sink_set_async_enabled(GST_BASE_SINK(self), FALSE);
#else
gst_base_sink_set_sync(GST_BASE_SINK(self), FALSE);
gst_base_sink_set_async_enabled(GST_BASE_SINK(self), FALSE);
#endif
}
static void gst_dvbaudiosink_dispose(GObject *obj)
{
G_OBJECT_CLASS(parent_class)->dispose(obj);
GST_DEBUG("GstDVBAudioSink DISPOSED");
}
static void gst_dvbaudiosink_reset(GObject *obj)
{
G_OBJECT_CLASS(parent_class)->finalize(obj);
GST_DEBUG("GstDVBAudioSink RESET");
}
static void gst_dvbaudiosink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK (object);
switch (prop_id)
{
/* sink should only work with sync turned off, ignore all attempts to change it */
case PROP_SYNC:
GST_INFO_OBJECT(self, "ignoring attempt to change 'sync' to '%d'", g_value_get_boolean(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void gst_dvbaudiosink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK (object);
GST_INFO_OBJECT(self, "Get sync property %u", prop_id);
switch (prop_id)
{
case PROP_SYNC:
g_value_set_boolean(value, gst_base_sink_get_sync(GST_BASE_SINK(object)));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gint64 gst_dvbaudiosink_get_decoder_time(GstDVBAudioSink *self)
{
gint64 cur = 0;
if (self->fd < 0 || !self->playing || !self->pts_written){return GST_CLOCK_TIME_NONE;}
ioctl(self->fd, AUDIO_GET_PTS, &cur);
if (cur)
{
self->lastpts = cur;
}
else
{
cur = self->lastpts;
}
cur *= 11111;
cur -= self->timestamp_offset;
return cur;
}
static gboolean gst_dvbaudiosink_unlock(GstBaseSink *basesink)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK(basesink);
self->unlocking = TRUE;
/* wakeup the poll */
write(self->unlockfd[1], "\x01", 1);
GST_DEBUG_OBJECT(basesink, "unlock");
return TRUE;
}
static gboolean gst_dvbaudiosink_unlock_stop(GstBaseSink *basesink)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK(basesink);
self->unlocking = FALSE;
GST_DEBUG_OBJECT(basesink, "unlock_stop");
return TRUE;
}
static GstCaps *gst_dvbaudiosink_get_caps(GstBaseSink *basesink, GstCaps *filter)
{
GstCaps *caps = gst_caps_from_string(
MPEGCAPS
AC3CAPS
#ifdef HAVE_EAC3
EAC3CAPS
#endif
#ifdef HAVE_LPCM
LPCMCAPS
#endif
#ifdef HAVE_WMA
WMACAPS
#endif
#ifdef HAVE_AMR
AMRCAPS
#endif
#ifdef HAVE_PCM
PCMCAPS
#endif
);
#if defined(HAVE_DTS) && !defined(HAVE_DTSDOWNMIX) && defined(VUPLUS)
if (!get_downmix_setting())
{
gst_caps_append(caps, gst_caps_from_string(DTSCAPS));
}
#endif
#if defined(HAVE_DTS) && !defined(HAVE_DTSDOWNMIX) && !defined(VUPLUS)
gst_caps_append(caps, gst_caps_from_string(DTSCAPS));
#endif
#ifdef HAVE_DTSDOWNMIX
if (!get_downmix_setting())
{
gst_caps_append(caps, gst_caps_from_string(DTSCAPS));
}
#endif
if (filter)
{
GstCaps *intersection = gst_caps_intersect_full(filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref(caps);
caps = intersection;
}
return caps;
}
static gboolean gst_dvbaudiosink_set_caps(GstBaseSink *basesink, GstCaps *caps)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK(basesink);
GstStructure *structure = gst_caps_get_structure(caps, 0);
const char *type = gst_structure_get_name(structure);
t_audio_type bypass = AUDIOTYPE_UNKNOWN;
self->skip = 0;
self->aac_adts_header_valid = FALSE;
GST_INFO_OBJECT (self, "caps = %" GST_PTR_FORMAT, caps);
if (self->codec_data)
{
gst_buffer_unref(self->codec_data);
self->codec_data = NULL;
}
if (!strcmp(type, "audio/mpeg"))
{
gint mpegversion;
gst_structure_get_int(structure, "mpegversion", &mpegversion);
switch (mpegversion)
{
case 1:
{
gint layer;
gst_structure_get_int(structure, "layer", &layer);
if (layer == 3)
{
bypass = AUDIOTYPE_MP3;
}
else
{
bypass = AUDIOTYPE_MPEG;
}
GST_INFO_OBJECT(self, "MIMETYPE %s version %d layer %d", type, mpegversion, layer);
break;
}
case 2:
case 4:
{
const gchar *stream_type = gst_structure_get_string(structure, "stream-type");
if (!stream_type)
{
stream_type = gst_structure_get_string(structure, "stream-format");
}
if (stream_type && !strcmp(stream_type, "adts"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s version %d(AAC-ADTS)", type, mpegversion);
}
else if (stream_type && !strcmp(stream_type, "loas"))
{
bypass = AUDIOTYPE_AAC_HE;
break;
}
else
{
const GValue *codec_data = gst_structure_get_value(structure, "codec_data");
GST_INFO_OBJECT(self, "MIMETYPE %s version %d(AAC-RAW)", type, mpegversion);
if (codec_data)
{
guint8 h[2];
gst_buffer_extract(gst_value_get_buffer(codec_data), 0, h, sizeof(h));
guint8 obj_type =h[0] >> 3;
guint8 rate_idx =((h[0] & 0x7) << 1) |((h[1] & 0x80) >> 7);
guint8 channels =(h[1] & 0x78) >> 3;
GST_INFO_OBJECT(self, "have codec data -> obj_type = %d, rate_idx = %d, channels = %d\n",
obj_type, rate_idx, channels);
/* Sync point over a full byte */
self->aac_adts_header[0] = 0xFF;
/* Sync point continued over first 4 bits + static 4 bits
*(ID, layer, protection)*/
self->aac_adts_header[1] = 0xF1;
if (mpegversion == 2)
self->aac_adts_header[1] |= 8;
/* Object type over first 2 bits */
self->aac_adts_header[2] = (obj_type - 1) << 6;
/* rate index over next 4 bits */
self->aac_adts_header[2] |= rate_idx << 2;
/* channels over last 2 bits */
self->aac_adts_header[2] |= (channels & 0x4) >> 2;
/* channels continued over next 2 bits + 4 bits at zero */
self->aac_adts_header[3] = (channels & 0x3) << 6;
self->aac_adts_header_valid = TRUE;
}
else
{
gint rate, channels, rate_idx = 0, obj_type = 1; // hardcoded yet.. hopefully this works every time ;)
GST_INFO_OBJECT(self, "no codec data");
if (gst_structure_get_int(structure, "rate", &rate) && gst_structure_get_int(structure, "channels", &channels))
{
guint samplingrates[] = { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0 };
do
{
if (samplingrates[rate_idx] == rate) break;
++rate_idx;
} while (samplingrates[rate_idx]);
if (samplingrates[rate_idx])
{
GST_INFO_OBJECT(self, "mpegversion %d, channels %d, rate %d, rate_idx %d\n", mpegversion, channels, rate, rate_idx);
/* Sync point over a full byte */
self->aac_adts_header[0] = 0xFF;
/* Sync point continued over first 4 bits + static 4 bits
*(ID, layer, protection)*/
self->aac_adts_header[1] = 0xF1;
if (mpegversion == 2) self->aac_adts_header[1] |= 8;
/* Object type over first 2 bits */
self->aac_adts_header[2] = obj_type << 6;
/* rate index over next 4 bits */
self->aac_adts_header[2] |= rate_idx << 2;
/* channels over last 2 bits */
self->aac_adts_header[2] |=(channels & 0x4) >> 2;
/* channels continued over next 2 bits + 4 bits at zero */
self->aac_adts_header[3] =(channels & 0x3) << 6;
self->aac_adts_header_valid = TRUE;
}
}
}
}
bypass = AUDIOTYPE_AAC_PLUS; // always use AAC+ ADTS yet..
break;
}
default:
GST_ELEMENT_ERROR(self, STREAM, FORMAT,(NULL),("unhandled mpeg version %i", mpegversion));
break;
}
}
else if (!strcmp(type, "audio/x-ac3"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s",type);
bypass = AUDIOTYPE_AC3;
}
else if (!strcmp(type, "audio/x-eac3"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s",type);
bypass = AUDIOTYPE_AC3_PLUS;
}
else if (!strcmp(type, "audio/x-private1-dts"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s(DVD Audio - 2 byte skipping)",type);
bypass = AUDIOTYPE_DTS;
self->skip = 2;
}
else if (!strcmp(type, "audio/x-private1-ac3"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s(DVD Audio - 2 byte skipping)",type);
bypass = AUDIOTYPE_AC3;
self->skip = 2;
}
else if (!strcmp(type, "audio/x-private1-eac3"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s(DVD Audio - 2 byte skipping)",type);
bypass = AUDIOTYPE_AC3_PLUS;
self->skip = 2;
}
else if (!strcmp(type, "audio/x-private1-lpcm"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s(DVD Audio)",type);
bypass = AUDIOTYPE_LPCM;
}
else if (!strcmp(type, "audio/x-dts"))
{
GST_INFO_OBJECT(self, "MIMETYPE %s",type);
bypass = AUDIOTYPE_DTS;
}
else if (!strcmp(type, "audio/x-wma"))
{
const GValue *codec_data = gst_structure_get_value(structure, "codec_data");
gint wmaversion, bitrate, depth, rate, channels, block_align;
gst_structure_get_int(structure, "wmaversion", &wmaversion);
gst_structure_get_int(structure, "bitrate", &bitrate);
gst_structure_get_int(structure, "depth", &depth);
gst_structure_get_int(structure, "rate", &rate);
gst_structure_get_int(structure, "channels", &channels);
gst_structure_get_int(structure, "block_align", &block_align);
GST_INFO_OBJECT(self, "MIMETYPE %s",type);
bypass = (wmaversion > 2) ? AUDIOTYPE_WMA_PRO : AUDIOTYPE_WMA;
if (codec_data)
{
guint8 *data;
guint8 *codec_data_pointer;
gint codec_data_size;
gint codecid = 0x160 + wmaversion - 1;
GstMapInfo map, codecdatamap;
gst_buffer_map(gst_value_get_buffer(codec_data), &codecdatamap, GST_MAP_READ);
codec_data_pointer = codecdatamap.data;
codec_data_size = codecdatamap.size;
self->codec_data = gst_buffer_new_and_alloc(18 + codec_data_size);
gst_buffer_map(self->codec_data, &map, GST_MAP_WRITE);
data = map.data;
/* codec tag */
*(data++) = codecid & 0xff;
*(data++) = (codecid >> 8) & 0xff;
/* channels */
*(data++) = channels & 0xff;
*(data++) = (channels >> 8) & 0xff;
/* sample rate */
*(data++) = rate & 0xff;
*(data++) = (rate >> 8) & 0xff;
*(data++) = (rate >> 16) & 0xff;
*(data++) = (rate >> 24) & 0xff;
/* byte rate */
bitrate /= 8;
*(data++) = bitrate & 0xff;
*(data++) = (bitrate >> 8) & 0xff;
*(data++) = (bitrate >> 16) & 0xff;
*(data++) = (bitrate >> 24) & 0xff;
/* block align */
*(data++) = block_align & 0xff;
*(data++) = (block_align >> 8) & 0xff;
/* word size */
*(data++) = depth & 0xff;
*(data++) = (depth >> 8) & 0xff;
/* codec data size */
*(data++) = codec_data_size & 0xff;
*(data++) = (codec_data_size >> 8) & 0xff;
memcpy(data, codec_data_pointer, codec_data_size);
gst_buffer_unmap(self->codec_data, &map);
gst_buffer_unmap(gst_value_get_buffer(codec_data), &codecdatamap);
}
}
else if (!strcmp(type, "audio/AMR"))
{
const GValue *codec_data = gst_structure_get_value(structure, "codec_data");
if (codec_data)
{
self->codec_data = gst_buffer_copy(gst_value_get_buffer(codec_data));
}
GST_INFO_OBJECT(self, "MIMETYPE %s",type);
bypass = AUDIOTYPE_AMR;
}
else if (!strcmp(type, XRAW))
{
guint8 *data;
gint size;
gint format = 0x01;
const gchar *formatstring = NULL;
gint width = 0, depth = 0, rate = 0, channels, block_align, byterate;
self->codec_data = gst_buffer_new_and_alloc(18);
GstMapInfo map;
gst_buffer_map(self->codec_data, &map, GST_MAP_WRITE);
data = map.data;
size = map.size;
formatstring = gst_structure_get_string(structure, "format");
if (formatstring)
{
if (!strncmp(&formatstring[1], "32", 2))
{
width = depth = 32;
}
else if (!strncmp(&formatstring[1], "24", 2))
{
width = depth = 24;
}
else if (!strncmp(&formatstring[1], "16", 2))
{
width = depth = 16;
}
else if (!strncmp(&formatstring[1], "8", 1))
{
width = depth = 8;
}
}
gst_structure_get_int(structure, "rate", &rate);
gst_structure_get_int(structure, "channels", &channels);
byterate = channels * rate * width / 8;
block_align = channels * width / 8;
memset(data, 0, size);
/* format tag */
*(data++) = format & 0xff;
*(data++) = (format >> 8) & 0xff;
/* channels */
*(data++) = channels & 0xff;
*(data++) = (channels >> 8) & 0xff;
/* sample rate */
*(data++) = rate & 0xff;
*(data++) = (rate >> 8) & 0xff;
*(data++) = (rate >> 16) & 0xff;
*(data++) = (rate >> 24) & 0xff;
/* byte rate */
*(data++) = byterate & 0xff;
*(data++) = (byterate >> 8) & 0xff;
*(data++) = (byterate >> 16) & 0xff;
*(data++) = (byterate >> 24) & 0xff;
/* block align */
*(data++) = block_align & 0xff;
*(data++) = (block_align >> 8) & 0xff;
/* word size */
*(data++) = depth & 0xff;
*(data++) = (depth >> 8) & 0xff;
self->fixed_buffersize = rate * 30 / 1000;
self->fixed_buffersize *= channels * depth / 8;
self->fixed_buffertimestamp = GST_CLOCK_TIME_NONE;
self->fixed_bufferduration = GST_SECOND * (GstClockTime)self->fixed_buffersize / (GstClockTime)byterate;
GST_INFO_OBJECT(self, "MIMETYPE %s", type);
bypass = AUDIOTYPE_RAW;
gst_buffer_unmap(self->codec_data, &map);
}
else
{
GST_ELEMENT_ERROR(self, STREAM, TYPE_NOT_FOUND,(NULL),("unimplemented stream type %s", type));
return FALSE;
}
GST_INFO_OBJECT(self, "set bypass 0x%02x", bypass);
if (self->playing)
{
if (self->fd >= 0) ioctl(self->fd, AUDIO_STOP, 0);
self->playing = FALSE;
}
#ifdef AUDIO_SET_ENCODING
if (self->use_set_encoding)
{
unsigned int encoding = bypass_to_encoding(bypass);
if (self->fd < 0 || ioctl(self->fd, AUDIO_SET_ENCODING, encoding) < 0)
{
GST_ELEMENT_WARNING(self, STREAM, DECODE,(NULL),("hardware decoder can't be set to encoding %i", encoding));
}
}
else
{
if (self->fd < 0 || ioctl(self->fd, AUDIO_SET_BYPASS_MODE, bypass) < 0)
{
GST_ELEMENT_ERROR(self, STREAM, TYPE_NOT_FOUND,(NULL),("hardware decoder can't be set to bypass mode type %s", type));
return FALSE;
}
}
#else
if (self->fd < 0 || ioctl(self->fd, AUDIO_SET_BYPASS_MODE, bypass) < 0)
{
GST_ELEMENT_ERROR(self, STREAM, TYPE_NOT_FOUND,(NULL),("hardware decoder can't be set to bypass mode type %s", type));
GST_INFO_OBJECT(self, "AUDIO BYPASS 0x%02x CAN NOT BE SET", bypass);
return FALSE;
}
#endif
if (self->fd >= 0) ioctl(self->fd, AUDIO_PLAY);
self->playing = TRUE;
self->bypass = bypass;
GST_INFO_OBJECT(self, "AUDIO PLAY STARTED ON BY-PASS 0x%02x", bypass);
return TRUE;
}
static gboolean gst_dvbaudiosink_event(GstBaseSink *sink, GstEvent *event)
{
GstDVBAudioSink *self = GST_DVBAUDIOSINK(sink);
GST_INFO_OBJECT(self, "EVENT %s", gst_event_type_get_name(GST_EVENT_TYPE(event)));
gboolean ret = TRUE;
switch (GST_EVENT_TYPE(event))
{
case GST_EVENT_FLUSH_START:
if(self->flushed && !self->playing && self->using_dts_downmix && (!self->paused || self->first_paused))
{
self->playing = TRUE;
self->ok_to_write = 1;
}
self->flushed = FALSE;
self->flushing = TRUE;
/* wakeup the poll */
write(self->unlockfd[1], "\x01", 1);
break;
case GST_EVENT_FLUSH_STOP:
if (self->fd >= 0) ioctl(self->fd, AUDIO_CLEAR_BUFFER);
GST_OBJECT_LOCK(self);
while (self->queue)
{
queue_pop(&self->queue);
}
self->flushing = FALSE;
self->timestamp = GST_CLOCK_TIME_NONE;
self->fixed_buffertimestamp = GST_CLOCK_TIME_NONE;
if (self->cache)
{
gst_buffer_unref(self->cache);
self->cache = NULL;
}
GST_OBJECT_UNLOCK(self);
/* flush while media is playing requires a delay before rendering */
if(self->using_dts_downmix && (!self->paused || self->first_paused))
{
self->playing = FALSE;
self->ok_to_write = 0;
}
self->flushed = TRUE;
break;
case GST_EVENT_EOS:
{
gboolean pass_eos = FALSE;
struct pollfd pfd[2];
#ifdef AUDIO_FLUSH
if (self->fd >= 0) ioctl(self->fd, AUDIO_FLUSH, 1/*NONBLOCK*/); //Notify the player that no addionional data will be injected
#endif
pfd[0].fd = self->unlockfd[0];
pfd[0].events = POLLIN;
pfd[1].fd = self->fd;
pfd[1].events = POLLIN;
GST_BASE_SINK_PREROLL_UNLOCK(sink);
while (1)
{
int retval = poll(pfd, 2, 250);
if (retval < 0)
{
perror("poll in EVENT_EOS");
ret = FALSE;
break;
}
if (pfd[0].revents & POLLIN)
{
GST_DEBUG_OBJECT(self, "wait EOS aborted!!\n");
ret = FALSE;
break;
}
if (pfd[1].revents & POLLIN)
{
GST_DEBUG_OBJECT(self, "got buffer empty from driver!\n");
break;
}
if (sink->flushing)
{
GST_DEBUG_OBJECT(self, "wait EOS flushing!!\n");
ret = FALSE;
break;
}
}
GST_BASE_SINK_PREROLL_LOCK(sink);
break;
}
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
GstFormat format;
gdouble rate;
guint64 start, end, pos;
gint64 start_dvb;
gst_event_parse_segment(event, &segment);
format = segment->format;
rate = segment->rate;
start = segment->start;
end = segment->stop;
pos = segment->position;
start_dvb = start / 11111LL;
GST_INFO_OBJECT(self, "GST_EVENT_SEGMENT rate=%f format=%d start=%"G_GUINT64_FORMAT " position=%"G_GUINT64_FORMAT, rate, format, start, pos);
GST_INFO_OBJECT(self, "SEGMENT DVB TIMESTAMP=%"G_GINT64_FORMAT " HEX=%#"G_GINT64_MODIFIER "x", start_dvb, start_dvb);
if (format == GST_FORMAT_TIME)
{
self->timestamp_offset = start - pos;
if (rate != self->rate)
{
int video_fd = open("/dev/dvb/adapter0/video0", O_RDWR);
if (video_fd >= 0)
{
GST_INFO_OBJECT(self, "GST_EVENT_SEGMENT IS VIDEO0 OPEN ?");
int skip = 0, repeat = 0;
if (rate > 1.0)
{
skip = (int)rate;
}
else if (rate < 1.0)
{
repeat = 1.0 / rate;
}
ioctl(video_fd, VIDEO_SLOWMOTION, repeat);
ioctl(video_fd, VIDEO_FAST_FORWARD, skip);
ioctl(video_fd, VIDEO_CONTINUE);
close(video_fd);
video_fd = -1;
}
self->rate = rate;
}
}
break;
}
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps(event, &caps);
if (caps)
{
GST_DEBUG_OBJECT(self,"CAP %"GST_PTR_FORMAT, caps);
}
else
ret = FALSE;
break;
}
case GST_EVENT_TAG:
{
GstTagList *taglist;
gst_event_parse_tag(event, &taglist);
GST_DEBUG_OBJECT(self,"TAG %"GST_PTR_FORMAT, taglist);
break;
}
default:
break;
}
if (ret)
ret = GST_BASE_SINK_CLASS(parent_class)->event(sink, event);
else
gst_event_unref(event);
return ret;
}
static int audio_write(GstDVBAudioSink *self, GstBuffer *buffer, size_t start, size_t end)
{
size_t written = start;
size_t len = end;
struct pollfd pfd[2];
guint8 *data;
int retval = 0;
GstMapInfo map;
gst_buffer_map(buffer, &map, GST_MAP_READ);
data = map.data;
pfd[0].fd = self->unlockfd[0];
pfd[0].events = POLLIN;
pfd[1].fd = self->fd;
pfd[1].events = POLLOUT;
do
{
if (self->flushing)
{
GST_INFO_OBJECT(self, "flushing, skip %d bytes", len - written);
break;
}
else if (self->paused || self->unlocking)