source: roaraudio/roard/codecfilter.c @ 3934:224c9cf406db

Last change on this file since 3934:224c9cf406db was 3604:fa3d77894fcf, checked in by phi, 14 years ago

added codecfilter_delay_zero(), deleted abused cf_alaw_delay()
File size: 13.1 KB
Line 
1//codecfilter.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2010
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 */
25
26#define ROAR_REQUIRE_LIBVORBISFILE
27
28#include "roard.h"
29
30#ifndef ROAR_WITHOUT_CF_CMD
31#if !defined(ROAR_HAVE_UNIX) || !defined(ROAR_HAVE_BSDSOCKETS) || !defined(ROAR_HAVE_IO_POSIX)
32#define ROAR_WITHOUT_CF_CMD
33#endif
34#endif
35
36#define _DUMMY_FILTER(codec,name,desc,flags,subsystem,delay) {(codec),(name),(desc),NULL,NULL,(flags),(subsystem), \
37                                                              NULL, NULL, NULL, NULL, NULL, NULL, (delay), NULL    }
38
39#define _PCM_FILTER(codec) _DUMMY_FILTER(codec, "PCM", "Native PCM Support", \
40                                         ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN, \
41                                         ROAR_SUBSYS_WAVEFORM, codecfilter_delay_zero)
42
43struct roar_codecfilter g_codecfilter[] = {
44 _DUMMY_FILTER(-1, "null", "null codec filter", ROAR_CODECFILTER_NONE, ROAR_SUBSYS_NONE, NULL),
45 _PCM_FILTER(ROAR_CODEC_PCM_S_LE),
46 _PCM_FILTER(ROAR_CODEC_PCM_S_BE),
47 _PCM_FILTER(ROAR_CODEC_PCM_S_PDP),
48 _PCM_FILTER(ROAR_CODEC_PCM_U_LE),
49 _PCM_FILTER(ROAR_CODEC_PCM_U_BE),
50 _PCM_FILTER(ROAR_CODEC_PCM_U_PDP),
51#ifndef ROAR_WITHOUT_DCOMP_MIDI
52 _DUMMY_FILTER(ROAR_CODEC_MIDI, "MIDI", "Native MIDI Support",
53               ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN, ROAR_SUBSYS_MIDI, NULL),
54#endif
55#ifndef ROAR_WITHOUT_DCOMP_LIGHT
56 {ROAR_CODEC_DMX512,      "DMX512", "Native DMX512 Support", NULL, NULL,
57                          ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN, ROAR_SUBSYS_LIGHT,
58                                          NULL, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_zero, NULL},
59#endif
60#ifndef ROAR_WITHOUT_DCOMP_RDTCS
61 {ROAR_CODEC_RDS,         "RDS", "Native RDS Support", NULL, NULL,
62                          ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN, ROAR_SUBSYS_RDTCS,
63                                          NULL, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_zero, NULL},
64#endif
65
66/*
67#ifdef ROAR_HAVE_LIBSNDFILE
68 {ROAR_CODEC_RIFF_WAVE, "sndfile", "libsndfile codec filter", NULL, ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE,
69  cf_sndfile_open, cf_sndfile_close, NULL, cf_sndfile_write, cf_sndfile_read, NULL},
70#else
71*/
72#ifndef ROAR_WITHOUT_CF_WAVE
73 {ROAR_CODEC_RIFF_WAVE, "RIFF/WAVE", "RIFF/WAVE", NULL, NULL,
74  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU, ROAR_SUBSYS_WAVEFORM,
75  cf_wave_open, cf_wave_close, NULL, cf_wave_write, cf_wave_read, NULL, NULL, cf_wave_ctl},
76#endif
77//#endif
78
79#ifdef ROAR_HAVE_LIBRAUM
80 {ROAR_CODEC_RAUM, "RAUM", "RAUM Container Format", NULL, cf_raum_setup, ROAR_CODECFILTER_WRITE,
81  ROAR_SUBSYS_WAVEFORM|ROAR_SUBSYS_MIDI|ROAR_SUBSYS_LIGHT|ROAR_SUBSYS_RAW|ROAR_SUBSYS_COMPLEX,
82  cont_fw_cf_open, cont_fw_cf_close, NULL, cont_fw_cf_write, cont_fw_cf_read, cont_fw_cf_flush, NULL, cont_fw_cf_ctl},
83#endif
84
85#ifdef ROAR_HAVE_LIBOGG
86 {ROAR_CODEC_OGG, "Ogg", "Ogg Container Format", NULL, NULL, ROAR_CODECFILTER_NONE,
87  ROAR_SUBSYS_WAVEFORM|ROAR_SUBSYS_MIDI,
88  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
89#endif
90
91#ifdef ROAR_SUPPORT_ALAW
92 {ROAR_CODEC_ALAW, "alaw", "A-Law", NULL, NULL,
93#ifdef ROAR_SUPPORT_ALAW_RW
94  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN,
95#else
96  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_PRETHRU_NN,
97#endif
98  ROAR_SUBSYS_WAVEFORM,
99  cf_alaw_open, cf_alaw_close, NULL,
100#ifdef ROAR_SUPPORT_ALAW_RW
101  cf_alaw_write,
102#else
103  NULL,
104#endif
105  cf_alaw_read, NULL, codecfilter_delay_zero, NULL},
106#endif
107
108#ifdef ROAR_SUPPORT_MULAW
109 {ROAR_CODEC_MULAW, "mulaw", "mu-Law", NULL, NULL,
110#ifdef ROAR_SUPPORT_MULAW_RW
111  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN,
112#else
113  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_PRETHRU_NN,
114#endif
115  ROAR_SUBSYS_WAVEFORM,
116  cf_mulaw_open, cf_mulaw_close, NULL,
117#ifdef ROAR_SUPPORT_MULAW_RW
118  cf_mulaw_write,
119#else
120  NULL,
121#endif
122  cf_mulaw_read, NULL, codecfilter_delay_zero, NULL},
123#endif
124
125#ifndef ROAR_WITHOUT_CF_CMD
126#ifdef ROAR_HAVE_BIN_OGG123
127 {ROAR_CODEC_OGG_GENERAL, "cmd",  "ogg123",
128  ROAR_HAVE_BIN_OGG123 " -q -d raw -f - -", NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
129  cf_cmd_open, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_fulldyn, NULL},
130#endif
131#endif
132
133#ifdef ROAR_HAVE_LIBVORBISFILE
134 {ROAR_CODEC_OGG_VORBIS, "oggvorbis", "Ogg Vorbis decoder", NULL, NULL,
135#ifdef ROAR_HAVE_LIBVORBISENC
136 ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU,
137#else
138 ROAR_CODECFILTER_READ,
139#endif
140 ROAR_SUBSYS_WAVEFORM,
141 cf_vorbis_open, cf_vorbis_close, NULL, cf_vorbis_write, cf_vorbis_read, NULL, codecfilter_delay_fulldyn, cf_vorbis_ctl},
142#else
143#ifndef ROAR_WITHOUT_CF_CMD
144#ifdef ROAR_HAVE_BIN_OGG123
145 {ROAR_CODEC_OGG_VORBIS, "cmd",  "ogg123",
146  ROAR_HAVE_BIN_OGG123 " -q -d raw -f - -", NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
147  cf_cmd_open, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_fulldyn, NULL},
148#endif
149#endif
150#endif
151
152#ifdef ROAR_HAVE_LIBFISHSOUND
153 {ROAR_CODEC_OGG_SPEEX, "fishsound",  "libfishsound Xiph Codec library",
154  NULL, NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
155  cf_fishsound_open, cf_fishsound_close, NULL, NULL, cf_fishsound_read, NULL, codecfilter_delay_fulldyn, NULL},
156
157 {ROAR_CODEC_OGG_FLAC, "fishsound",  "libfishsound Xiph Codec library",
158  NULL, NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
159  cf_fishsound_open, cf_fishsound_close, NULL, NULL, cf_fishsound_read, NULL, codecfilter_delay_fulldyn, NULL},
160#endif
161
162#ifndef ROAR_WITHOUT_CF_CMD
163#ifdef ROAR_HAVE_BIN_TIMIDITY
164 {ROAR_CODEC_MIDI_FILE, "MIDIFILE", "timidity MIDI synth",
165  ROAR_HAVE_BIN_TIMIDITY " -Or1sl -s %R -o - -", NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
166  cf_cmd_open, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_fulldyn, NULL},
167#endif
168#endif
169
170#ifdef ROAR_HAVE_LIBCELT
171 {ROAR_CODEC_ROAR_CELT, "RoarCELT", "RoarAudio CELT", NULL, NULL,
172  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU,
173  ROAR_SUBSYS_WAVEFORM,
174  cf_celt_open, cf_celt_close, NULL, cf_celt_write, cf_celt_read, NULL, cf_celt_delay, NULL},
175#endif
176
177#ifdef ROAR_HAVE_LIBSPEEX
178 {ROAR_CODEC_ROAR_SPEEX, "RoarSpeex", "RoarAudio Speex", NULL, NULL,
179  ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU,
180  ROAR_SUBSYS_WAVEFORM,
181  cf_speex_open, cf_speex_close, NULL, cf_speex_write, cf_speex_read, NULL, NULL, NULL},
182#endif
183
184#ifndef ROAR_WITHOUT_CF_CMD
185#ifdef ROAR_HAVE_BIN_FLAC
186 {ROAR_CODEC_FLAC, "cmd",  "flac",
187#if BYTE_ORDER == BIG_ENDIAN
188  ROAR_HAVE_BIN_FLAC " --silent --force-raw-format --sign=signed --endian=big -d - -o -",
189#elif BYTE_ORDER == LITTLE_ENDIAN
190  ROAR_HAVE_BIN_FLAC " --silent --force-raw-format --sign=signed --endian=little -d - -o -",
191#else
192  "false",
193#endif
194  NULL, ROAR_CODECFILTER_READ, ROAR_SUBSYS_WAVEFORM,
195  cf_cmd_open, NULL, NULL, NULL, NULL, NULL, codecfilter_delay_fulldyn, NULL},
196#endif
197#endif
198
199#ifndef ROAR_WITHOUT_DCOMP_LIGHT
200 _DUMMY_FILTER(ROAR_CODEC_ROARDMX, "RoarDMX", "Native RoarDMX Support",
201               ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE|ROAR_CODECFILTER_PRETHRU_NN, ROAR_SUBSYS_LIGHT, NULL),
202#endif
203
204 {-1, NULL, NULL, NULL, NULL, ROAR_CODECFILTER_NONE, ROAR_SUBSYS_NONE,
205  NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL} // end of list
206};
207
208void print_codecfilterlist (void) {
209 int i;
210 int flags;
211 char mode[5];
212 char delay[6];
213 char subsys[7] = "      ";
214 uint_least32_t d;
215
216 printf("  Codec        Filtername   Mode Subsys Delay - Description\n");
217 printf("-------------------------------------------------------------\n");
218
219 for (i = 0; g_codecfilter[i].name != NULL; i++) {
220  strncpy(subsys, "      ", 6);
221
222  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_WAVEFORM )
223   subsys[0] = 'W';
224  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_MIDI )
225   subsys[1] = 'M';
226  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_CB )
227   subsys[2] = 'C';
228  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_LIGHT )
229   subsys[3] = 'L';
230  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_RAW )
231   subsys[4] = 'R';
232  if ( g_codecfilter[i].subsystems & ROAR_SUBSYS_COMPLEX )
233   subsys[5] = 'X';
234
235  flags = g_codecfilter[i].flags;
236
237  if ( flags == ROAR_CODECFILTER_NONE ) {
238   strcpy(mode, "none");
239  } else {
240   strcpy(mode, "    ");
241   if ( flags & ROAR_CODECFILTER_READ )
242    mode[0] = 'r';
243   if ( flags & ROAR_CODECFILTER_WRITE )
244    mode[1] = 'w';
245   if ( flags & ROAR_CODECFILTER_PRETHRU )
246    mode[2] = 'P';
247   if ( flags & ROAR_CODECFILTER_PRETHRU_NN )
248    mode[2] = 'p';
249  }
250
251  *delay = 0;
252  if ( g_codecfilter[i].codec == -1 ) { // null codec filter
253   strcpy(delay, "0ms");
254  } else if ( g_codecfilter[i].delay == NULL ) {
255   strcpy(delay, "?");
256  } else {
257   if ( codecfilter_delay(NULL, i, &d) == -1 ) {
258    strcpy(delay, "dyn");
259   } else {
260    snprintf(delay, 5, "%ims", d/1000);
261   }
262  }
263 
264  printf("  %-12s %-12s %-4s %6s %-5s - %s\n",
265             roar_codec2str(g_codecfilter[i].codec),
266             g_codecfilter[i].name,
267             mode,
268             subsys,
269             delay,
270             g_codecfilter[i].desc
271             );
272 }
273}
274
275int codecfilter_open (CODECFILTER_USERDATA_T * inst,
276                 int * codecfilter_id, char * codecfilter /* NOTE: this is not part of struct roar_codecfilter's def! */,
277                 int codec, struct roar_stream_server * info) {
278 int i;
279 struct roar_codecfilter   * filter = NULL;
280
281 *codecfilter_id = -1;
282
283 ROAR_DBG("codecfilter_open(*): codecfilter='%s', info->id=%i", codecfilter, ROAR_STREAM(info)->id);
284
285 for (i = 0; g_codecfilter[i].name != NULL; i++) {
286  ROAR_DBG("codecfilter_open(*): g_codecfilter[i].codec <-> codec => %i <-> %i", g_codecfilter[i].codec, codec);
287  if ( g_codecfilter[i].codec == codec ) {
288   if ( !codecfilter || strcmp(codecfilter, g_codecfilter[i].name) == 0 ) {
289    *codecfilter_id = i;
290    filter = &g_codecfilter[i];
291    break;
292   }
293  }
294 }
295
296 info->codecfilter = *codecfilter_id;
297
298 if (*codecfilter_id != -1) {
299  if ( filter->open != NULL ) {
300   if ( (i = filter->open(inst, codec, info, filter)) == -1 ) {
301    info->codecfilter = *codecfilter_id = -1;
302   }
303   return i;
304  } else {
305   // in case we can not open the filter we will not use it
306   *codecfilter_id   = -1;
307   info->codecfilter = -1;
308  }
309  return 0;
310 }
311
312 return -1; // we found no filter -> ok
313}
314
315int codecfilter_close(CODECFILTER_USERDATA_T   inst, int codecfilter) {
316 ROAR_DBG("codecfilter_close(inst=%p, codecfilter=%i) = ?", inst, codecfilter);
317
318 if ( codecfilter == -1 )
319  return -1;
320
321 if ( g_codecfilter[codecfilter].close )
322  return g_codecfilter[codecfilter].close(inst);
323
324 return 0;
325}
326
327int codecfilter_pause(CODECFILTER_USERDATA_T   inst, int codecfilter, int newstate) {
328 if ( codecfilter == -1 )
329  return -1;
330
331 if ( g_codecfilter[codecfilter].pause )
332  return g_codecfilter[codecfilter].pause(inst, newstate);
333
334 return 0;
335}
336
337int codecfilter_write(CODECFILTER_USERDATA_T   inst, int codecfilter, char * buf, int len) {
338 if ( codecfilter == -1 )
339  return -1;
340
341 if ( g_codecfilter[codecfilter].write )
342  return g_codecfilter[codecfilter].write(inst, buf, len);
343
344 return 0;
345}
346
347int codecfilter_read (CODECFILTER_USERDATA_T   inst, int codecfilter, char * buf, int len) {
348 if ( codecfilter == -1 )
349  return -1;
350
351 errno = 0;
352
353 if ( g_codecfilter[codecfilter].read )
354  return g_codecfilter[codecfilter].read(inst, buf, len);
355
356 return 0;
357}
358
359int codecfilter_flush(CODECFILTER_USERDATA_T   inst, int codecfilter) {
360 if ( codecfilter == -1 )
361  return -1;
362
363 if ( g_codecfilter[codecfilter].flush )
364  return g_codecfilter[codecfilter].flush(inst);
365
366 return 0;
367}
368
369int codecfilter_delay(CODECFILTER_USERDATA_T   inst, int codecfilter, uint_least32_t * delay) {
370 ROAR_DBG("codecfilter_delay(inst=%p, codecfilter=%i, *delay=?) = ?", inst, codecfilter);
371
372 if ( codecfilter == -1 )
373  return -1;
374
375 if ( g_codecfilter[codecfilter].delay )
376  return g_codecfilter[codecfilter].delay(inst, delay);
377
378 return -1;
379}
380
381int codecfilter_ctl  (CODECFILTER_USERDATA_T   inst, int codecfilter, int_least32_t cmd, void * data) {
382 ROAR_DBG("codecfilter_ctl(inst=%p, codecfilter=%i, cmd=0x%.8x, data=%p) = ?", inst, codecfilter, cmd, data);
383 if ( codecfilter == -1 )
384  return -1;
385
386 if ( g_codecfilter[codecfilter].ctl )
387  return g_codecfilter[codecfilter].ctl(inst, cmd, data);
388
389 return -1;
390}
391
392
393int codecfilter_delay_fulldyn(CODECFILTER_USERDATA_T   inst, uint_least32_t * delay) {
394 *delay = 0; // just to be sure
395 return -1;
396}
397
398int codecfilter_delay_zero(CODECFILTER_USERDATA_T   inst, uint_least32_t * delay) {
399 // this codec does not create any addition latency.
400
401 *delay = 0;
402 return 0;
403}
404
405//ll
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