Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * av7110_av.c: audio and video MPEG decoder stuff | |
3 | * | |
4 | * Copyright (C) 1999-2002 Ralph Metzler | |
5 | * & Marcus Metzler for convergence integrated media GmbH | |
6 | * | |
7 | * originally based on code by: | |
8 | * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License | |
12 | * as published by the Free Software Foundation; either version 2 | |
13 | * of the License, or (at your option) any later version. | |
14 | * | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
25 | * Or, point your browser to http://www.gnu.org/copyleft/gpl.html | |
26 | * | |
27 | * | |
28 | * the project's page is at http://www.linuxtv.org/dvb/ | |
29 | */ | |
30 | ||
31 | #include <linux/types.h> | |
32 | #include <linux/kernel.h> | |
33 | #include <linux/string.h> | |
1da177e4 | 34 | #include <linux/delay.h> |
1da177e4 LT |
35 | #include <linux/fs.h> |
36 | ||
37 | #include "av7110.h" | |
38 | #include "av7110_hw.h" | |
39 | #include "av7110_av.h" | |
40 | #include "av7110_ipack.h" | |
41 | ||
42 | /* MPEG-2 (ISO 13818 / H.222.0) stream types */ | |
43 | #define PROG_STREAM_MAP 0xBC | |
44 | #define PRIVATE_STREAM1 0xBD | |
45 | #define PADDING_STREAM 0xBE | |
46 | #define PRIVATE_STREAM2 0xBF | |
47 | #define AUDIO_STREAM_S 0xC0 | |
48 | #define AUDIO_STREAM_E 0xDF | |
49 | #define VIDEO_STREAM_S 0xE0 | |
50 | #define VIDEO_STREAM_E 0xEF | |
51 | #define ECM_STREAM 0xF0 | |
52 | #define EMM_STREAM 0xF1 | |
53 | #define DSM_CC_STREAM 0xF2 | |
54 | #define ISO13522_STREAM 0xF3 | |
55 | #define PROG_STREAM_DIR 0xFF | |
56 | ||
57 | #define PTS_DTS_FLAGS 0xC0 | |
58 | ||
59 | //pts_dts flags | |
60 | #define PTS_ONLY 0x80 | |
61 | #define PTS_DTS 0xC0 | |
62 | #define TS_SIZE 188 | |
63 | #define TRANS_ERROR 0x80 | |
64 | #define PAY_START 0x40 | |
65 | #define TRANS_PRIO 0x20 | |
66 | #define PID_MASK_HI 0x1F | |
67 | //flags | |
68 | #define TRANS_SCRMBL1 0x80 | |
69 | #define TRANS_SCRMBL2 0x40 | |
70 | #define ADAPT_FIELD 0x20 | |
71 | #define PAYLOAD 0x10 | |
72 | #define COUNT_MASK 0x0F | |
73 | ||
74 | // adaptation flags | |
75 | #define DISCON_IND 0x80 | |
76 | #define RAND_ACC_IND 0x40 | |
77 | #define ES_PRI_IND 0x20 | |
78 | #define PCR_FLAG 0x10 | |
79 | #define OPCR_FLAG 0x08 | |
80 | #define SPLICE_FLAG 0x04 | |
81 | #define TRANS_PRIV 0x02 | |
82 | #define ADAP_EXT_FLAG 0x01 | |
83 | ||
84 | // adaptation extension flags | |
85 | #define LTW_FLAG 0x80 | |
86 | #define PIECE_RATE 0x40 | |
87 | #define SEAM_SPLICE 0x20 | |
88 | ||
89 | ||
90 | static void p_to_t(u8 const *buf, long int length, u16 pid, | |
91 | u8 *counter, struct dvb_demux_feed *feed); | |
92 | ||
93 | ||
94 | int av7110_record_cb(struct dvb_filter_pes2ts *p2t, u8 *buf, size_t len) | |
95 | { | |
96 | struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) p2t->priv; | |
97 | ||
98 | if (!(dvbdmxfeed->ts_type & TS_PACKET)) | |
99 | return 0; | |
100 | if (buf[3] == 0xe0) // video PES do not have a length in TS | |
101 | buf[4] = buf[5] = 0; | |
102 | if (dvbdmxfeed->ts_type & TS_PAYLOAD_ONLY) | |
103 | return dvbdmxfeed->cb.ts(buf, len, NULL, 0, | |
104 | &dvbdmxfeed->feed.ts, DMX_OK); | |
105 | else | |
106 | return dvb_filter_pes2ts(p2t, buf, len, 1); | |
107 | } | |
108 | ||
109 | static int dvb_filter_pes2ts_cb(void *priv, unsigned char *data) | |
110 | { | |
111 | struct dvb_demux_feed *dvbdmxfeed = (struct dvb_demux_feed *) priv; | |
112 | ||
113 | dvbdmxfeed->cb.ts(data, 188, NULL, 0, | |
114 | &dvbdmxfeed->feed.ts, DMX_OK); | |
115 | return 0; | |
116 | } | |
117 | ||
118 | int av7110_av_start_record(struct av7110 *av7110, int av, | |
119 | struct dvb_demux_feed *dvbdmxfeed) | |
120 | { | |
ce18a223 | 121 | int ret = 0; |
1da177e4 LT |
122 | struct dvb_demux *dvbdmx = dvbdmxfeed->demux; |
123 | ||
124 | dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed); | |
125 | ||
126 | if (av7110->playing || (av7110->rec_mode & av)) | |
127 | return -EBUSY; | |
128 | av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0); | |
129 | dvbdmx->recording = 1; | |
130 | av7110->rec_mode |= av; | |
131 | ||
132 | switch (av7110->rec_mode) { | |
133 | case RP_AUDIO: | |
134 | dvb_filter_pes2ts_init(&av7110->p2t[0], | |
135 | dvbdmx->pesfilter[0]->pid, | |
136 | dvb_filter_pes2ts_cb, | |
137 | (void *) dvbdmx->pesfilter[0]); | |
ce18a223 | 138 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0); |
1da177e4 LT |
139 | break; |
140 | ||
141 | case RP_VIDEO: | |
142 | dvb_filter_pes2ts_init(&av7110->p2t[1], | |
143 | dvbdmx->pesfilter[1]->pid, | |
144 | dvb_filter_pes2ts_cb, | |
145 | (void *) dvbdmx->pesfilter[1]); | |
ce18a223 | 146 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0); |
1da177e4 LT |
147 | break; |
148 | ||
149 | case RP_AV: | |
150 | dvb_filter_pes2ts_init(&av7110->p2t[0], | |
151 | dvbdmx->pesfilter[0]->pid, | |
152 | dvb_filter_pes2ts_cb, | |
153 | (void *) dvbdmx->pesfilter[0]); | |
154 | dvb_filter_pes2ts_init(&av7110->p2t[1], | |
155 | dvbdmx->pesfilter[1]->pid, | |
156 | dvb_filter_pes2ts_cb, | |
157 | (void *) dvbdmx->pesfilter[1]); | |
ce18a223 | 158 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AV_PES, 0); |
1da177e4 LT |
159 | break; |
160 | } | |
ce18a223 | 161 | return ret; |
1da177e4 LT |
162 | } |
163 | ||
164 | int av7110_av_start_play(struct av7110 *av7110, int av) | |
165 | { | |
ce18a223 | 166 | int ret = 0; |
1da177e4 LT |
167 | dprintk(2, "av7110:%p, \n", av7110); |
168 | ||
169 | if (av7110->rec_mode) | |
170 | return -EBUSY; | |
171 | if (av7110->playing & av) | |
172 | return -EBUSY; | |
173 | ||
174 | av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0); | |
175 | ||
176 | if (av7110->playing == RP_NONE) { | |
177 | av7110_ipack_reset(&av7110->ipack[0]); | |
178 | av7110_ipack_reset(&av7110->ipack[1]); | |
179 | } | |
180 | ||
181 | av7110->playing |= av; | |
182 | switch (av7110->playing) { | |
183 | case RP_AUDIO: | |
ce18a223 | 184 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0); |
1da177e4 LT |
185 | break; |
186 | case RP_VIDEO: | |
ce18a223 | 187 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0); |
1da177e4 LT |
188 | av7110->sinfo = 0; |
189 | break; | |
190 | case RP_AV: | |
191 | av7110->sinfo = 0; | |
ce18a223 | 192 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AV_PES, 0); |
1da177e4 LT |
193 | break; |
194 | } | |
ce18a223 WR |
195 | if (!ret) |
196 | ret = av7110->playing; | |
197 | return ret; | |
1da177e4 LT |
198 | } |
199 | ||
ce18a223 | 200 | int av7110_av_stop(struct av7110 *av7110, int av) |
1da177e4 | 201 | { |
ce18a223 | 202 | int ret = 0; |
1da177e4 LT |
203 | dprintk(2, "av7110:%p, \n", av7110); |
204 | ||
205 | if (!(av7110->playing & av) && !(av7110->rec_mode & av)) | |
ce18a223 | 206 | return 0; |
1da177e4 LT |
207 | av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0); |
208 | if (av7110->playing) { | |
209 | av7110->playing &= ~av; | |
210 | switch (av7110->playing) { | |
211 | case RP_AUDIO: | |
ce18a223 | 212 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, AudioPES, 0); |
1da177e4 LT |
213 | break; |
214 | case RP_VIDEO: | |
ce18a223 | 215 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Play, 2, VideoPES, 0); |
1da177e4 LT |
216 | break; |
217 | case RP_NONE: | |
ce18a223 | 218 | ret = av7110_set_vidmode(av7110, av7110->vidmode); |
1da177e4 LT |
219 | break; |
220 | } | |
221 | } else { | |
222 | av7110->rec_mode &= ~av; | |
223 | switch (av7110->rec_mode) { | |
224 | case RP_AUDIO: | |
ce18a223 | 225 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, AudioPES, 0); |
1da177e4 LT |
226 | break; |
227 | case RP_VIDEO: | |
ce18a223 | 228 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Record, 2, VideoPES, 0); |
1da177e4 LT |
229 | break; |
230 | case RP_NONE: | |
231 | break; | |
232 | } | |
233 | } | |
ce18a223 | 234 | return ret; |
1da177e4 LT |
235 | } |
236 | ||
237 | ||
238 | int av7110_pes_play(void *dest, struct dvb_ringbuffer *buf, int dlen) | |
239 | { | |
240 | int len; | |
241 | u32 sync; | |
242 | u16 blen; | |
243 | ||
244 | if (!dlen) { | |
245 | wake_up(&buf->queue); | |
246 | return -1; | |
247 | } | |
248 | while (1) { | |
249 | if ((len = dvb_ringbuffer_avail(buf)) < 6) | |
250 | return -1; | |
251 | sync = DVB_RINGBUFFER_PEEK(buf, 0) << 24; | |
252 | sync |= DVB_RINGBUFFER_PEEK(buf, 1) << 16; | |
253 | sync |= DVB_RINGBUFFER_PEEK(buf, 2) << 8; | |
254 | sync |= DVB_RINGBUFFER_PEEK(buf, 3); | |
255 | ||
256 | if (((sync &~ 0x0f) == 0x000001e0) || | |
257 | ((sync &~ 0x1f) == 0x000001c0) || | |
258 | (sync == 0x000001bd)) | |
259 | break; | |
260 | printk("resync\n"); | |
261 | DVB_RINGBUFFER_SKIP(buf, 1); | |
262 | } | |
263 | blen = DVB_RINGBUFFER_PEEK(buf, 4) << 8; | |
264 | blen |= DVB_RINGBUFFER_PEEK(buf, 5); | |
265 | blen += 6; | |
266 | if (len < blen || blen > dlen) { | |
267 | //printk("buffer empty - avail %d blen %u dlen %d\n", len, blen, dlen); | |
268 | wake_up(&buf->queue); | |
269 | return -1; | |
270 | } | |
271 | ||
272 | dvb_ringbuffer_read(buf, dest, (size_t) blen, 0); | |
273 | ||
274 | dprintk(2, "pread=0x%08lx, pwrite=0x%08lx\n", | |
275 | (unsigned long) buf->pread, (unsigned long) buf->pwrite); | |
276 | wake_up(&buf->queue); | |
277 | return blen; | |
278 | } | |
279 | ||
280 | ||
281 | int av7110_set_volume(struct av7110 *av7110, int volleft, int volright) | |
282 | { | |
283 | int err, vol, val, balance = 0; | |
284 | ||
285 | dprintk(2, "av7110:%p, \n", av7110); | |
286 | ||
287 | av7110->mixer.volume_left = volleft; | |
288 | av7110->mixer.volume_right = volright; | |
289 | ||
290 | switch (av7110->adac_type) { | |
291 | case DVB_ADAC_TI: | |
292 | volleft = (volleft * 256) / 1036; | |
293 | volright = (volright * 256) / 1036; | |
294 | if (volleft > 0x3f) | |
295 | volleft = 0x3f; | |
296 | if (volright > 0x3f) | |
297 | volright = 0x3f; | |
298 | if ((err = SendDAC(av7110, 3, 0x80 + volleft))) | |
299 | return err; | |
300 | return SendDAC(av7110, 4, volright); | |
301 | ||
302 | case DVB_ADAC_CRYSTAL: | |
303 | volleft = 127 - volleft / 2; | |
304 | volright = 127 - volright / 2; | |
305 | i2c_writereg(av7110, 0x20, 0x03, volleft); | |
306 | i2c_writereg(av7110, 0x20, 0x04, volright); | |
307 | return 0; | |
308 | ||
1c13b95c | 309 | case DVB_ADAC_MSP34x0: |
1da177e4 LT |
310 | vol = (volleft > volright) ? volleft : volright; |
311 | val = (vol * 0x73 / 255) << 8; | |
312 | if (vol > 0) | |
313 | balance = ((volright - volleft) * 127) / vol; | |
314 | msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8); | |
315 | msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */ | |
316 | msp_writereg(av7110, MSP_WR_DSP, 0x0006, val); /* headphonesr */ | |
317 | return 0; | |
61391e04 TK |
318 | |
319 | case DVB_ADAC_MSP34x5: | |
320 | vol = (volleft > volright) ? volleft : volright; | |
321 | val = (vol * 0x73 / 255) << 8; | |
322 | if (vol > 0) | |
323 | balance = ((volright - volleft) * 127) / vol; | |
324 | msp_writereg(av7110, MSP_WR_DSP, 0x0001, balance << 8); | |
325 | msp_writereg(av7110, MSP_WR_DSP, 0x0000, val); /* loudspeaker */ | |
326 | return 0; | |
1da177e4 | 327 | } |
61391e04 | 328 | |
1da177e4 LT |
329 | return 0; |
330 | } | |
331 | ||
58a44040 | 332 | int av7110_set_vidmode(struct av7110 *av7110, enum av7110_video_mode mode) |
1da177e4 | 333 | { |
ce18a223 | 334 | int ret; |
1da177e4 LT |
335 | dprintk(2, "av7110:%p, \n", av7110); |
336 | ||
ce18a223 | 337 | ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, LoadVidCode, 1, mode); |
1da177e4 | 338 | |
ce18a223 WR |
339 | if (!ret && !av7110->playing) { |
340 | ret = ChangePIDs(av7110, av7110->pids[DMX_PES_VIDEO], | |
1da177e4 LT |
341 | av7110->pids[DMX_PES_AUDIO], |
342 | av7110->pids[DMX_PES_TELETEXT], | |
343 | 0, av7110->pids[DMX_PES_PCR]); | |
ce18a223 WR |
344 | if (!ret) |
345 | ret = av7110_fw_cmd(av7110, COMTYPE_PIDFILTER, Scan, 0); | |
1da177e4 | 346 | } |
ce18a223 | 347 | return ret; |
1da177e4 LT |
348 | } |
349 | ||
350 | ||
58a44040 MS |
351 | static enum av7110_video_mode sw2mode[16] = { |
352 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC, | |
353 | AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_PAL, | |
354 | AV7110_VIDEO_MODE_NTSC, AV7110_VIDEO_MODE_NTSC, | |
355 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_NTSC, | |
356 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL, | |
357 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL, | |
358 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL, | |
359 | AV7110_VIDEO_MODE_PAL, AV7110_VIDEO_MODE_PAL, | |
1da177e4 LT |
360 | }; |
361 | ||
ce18a223 | 362 | static int get_video_format(struct av7110 *av7110, u8 *buf, int count) |
1da177e4 LT |
363 | { |
364 | int i; | |
365 | int hsize, vsize; | |
366 | int sw; | |
367 | u8 *p; | |
ce18a223 | 368 | int ret = 0; |
1da177e4 LT |
369 | |
370 | dprintk(2, "av7110:%p, \n", av7110); | |
371 | ||
372 | if (av7110->sinfo) | |
ce18a223 | 373 | return 0; |
1da177e4 LT |
374 | for (i = 7; i < count - 10; i++) { |
375 | p = buf + i; | |
376 | if (p[0] || p[1] || p[2] != 0x01 || p[3] != 0xb3) | |
377 | continue; | |
378 | p += 4; | |
379 | hsize = ((p[1] &0xF0) >> 4) | (p[0] << 4); | |
380 | vsize = ((p[1] &0x0F) << 8) | (p[2]); | |
381 | sw = (p[3] & 0x0F); | |
ce18a223 WR |
382 | ret = av7110_set_vidmode(av7110, sw2mode[sw]); |
383 | if (!ret) { | |
384 | dprintk(2, "playback %dx%d fr=%d\n", hsize, vsize, sw); | |
385 | av7110->sinfo = 1; | |
386 | } | |
1da177e4 LT |
387 | break; |
388 | } | |
ce18a223 | 389 | return ret; |
1da177e4 LT |
390 | } |
391 | ||
392 | ||
393 | /**************************************************************************** | |
394 | * I/O buffer management and control | |
395 | ****************************************************************************/ | |
396 | ||
397 | static inline long aux_ring_buffer_write(struct dvb_ringbuffer *rbuf, | |
804b4458 | 398 | const u8 *buf, unsigned long count) |
1da177e4 LT |
399 | { |
400 | unsigned long todo = count; | |
401 | int free; | |
402 | ||
403 | while (todo > 0) { | |
404 | if (dvb_ringbuffer_free(rbuf) < 2048) { | |
405 | if (wait_event_interruptible(rbuf->queue, | |
406 | (dvb_ringbuffer_free(rbuf) >= 2048))) | |
407 | return count - todo; | |
408 | } | |
409 | free = dvb_ringbuffer_free(rbuf); | |
410 | if (free > todo) | |
411 | free = todo; | |
412 | dvb_ringbuffer_write(rbuf, buf, free); | |
413 | todo -= free; | |
414 | buf += free; | |
415 | } | |
416 | ||
417 | return count - todo; | |
418 | } | |
419 | ||
420 | static void play_video_cb(u8 *buf, int count, void *priv) | |
421 | { | |
422 | struct av7110 *av7110 = (struct av7110 *) priv; | |
423 | dprintk(2, "av7110:%p, \n", av7110); | |
424 | ||
425 | if ((buf[3] & 0xe0) == 0xe0) { | |
426 | get_video_format(av7110, buf, count); | |
427 | aux_ring_buffer_write(&av7110->avout, buf, count); | |
428 | } else | |
429 | aux_ring_buffer_write(&av7110->aout, buf, count); | |
430 | } | |
431 | ||
432 | static void play_audio_cb(u8 *buf, int count, void *priv) | |
433 | { | |
434 | struct av7110 *av7110 = (struct av7110 *) priv; | |
435 | dprintk(2, "av7110:%p, \n", av7110); | |
436 | ||
437 | aux_ring_buffer_write(&av7110->aout, buf, count); | |
438 | } | |
439 | ||
440 | #define FREE_COND (dvb_ringbuffer_free(&av7110->avout) >= 20 * 1024 && \ | |
441 | dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024) | |
442 | ||
804b4458 | 443 | static ssize_t dvb_play(struct av7110 *av7110, const char __user *buf, |
1da177e4 LT |
444 | unsigned long count, int nonblock, int type) |
445 | { | |
446 | unsigned long todo = count, n; | |
447 | dprintk(2, "av7110:%p, \n", av7110); | |
448 | ||
449 | if (!av7110->kbuf[type]) | |
450 | return -ENOBUFS; | |
451 | ||
452 | if (nonblock && !FREE_COND) | |
453 | return -EWOULDBLOCK; | |
454 | ||
455 | while (todo > 0) { | |
456 | if (!FREE_COND) { | |
457 | if (nonblock) | |
458 | return count - todo; | |
459 | if (wait_event_interruptible(av7110->avout.queue, | |
460 | FREE_COND)) | |
461 | return count - todo; | |
462 | } | |
463 | n = todo; | |
464 | if (n > IPACKS * 2) | |
465 | n = IPACKS * 2; | |
466 | if (copy_from_user(av7110->kbuf[type], buf, n)) | |
467 | return -EFAULT; | |
468 | av7110_ipack_instant_repack(av7110->kbuf[type], n, | |
469 | &av7110->ipack[type]); | |
470 | todo -= n; | |
471 | buf += n; | |
472 | } | |
473 | return count - todo; | |
474 | } | |
475 | ||
476 | static ssize_t dvb_play_kernel(struct av7110 *av7110, const u8 *buf, | |
477 | unsigned long count, int nonblock, int type) | |
478 | { | |
479 | unsigned long todo = count, n; | |
480 | dprintk(2, "av7110:%p, \n", av7110); | |
481 | ||
482 | if (!av7110->kbuf[type]) | |
483 | return -ENOBUFS; | |
484 | ||
485 | if (nonblock && !FREE_COND) | |
486 | return -EWOULDBLOCK; | |
487 | ||
488 | while (todo > 0) { | |
489 | if (!FREE_COND) { | |
490 | if (nonblock) | |
491 | return count - todo; | |
492 | if (wait_event_interruptible(av7110->avout.queue, | |
493 | FREE_COND)) | |
494 | return count - todo; | |
495 | } | |
496 | n = todo; | |
497 | if (n > IPACKS * 2) | |
498 | n = IPACKS * 2; | |
499 | av7110_ipack_instant_repack(buf, n, &av7110->ipack[type]); | |
500 | todo -= n; | |
501 | buf += n; | |
502 | } | |
503 | return count - todo; | |
504 | } | |
505 | ||
804b4458 | 506 | static ssize_t dvb_aplay(struct av7110 *av7110, const char __user *buf, |
1da177e4 LT |
507 | unsigned long count, int nonblock, int type) |
508 | { | |
509 | unsigned long todo = count, n; | |
510 | dprintk(2, "av7110:%p, \n", av7110); | |
511 | ||
512 | if (!av7110->kbuf[type]) | |
513 | return -ENOBUFS; | |
514 | if (nonblock && dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) | |
515 | return -EWOULDBLOCK; | |
516 | ||
517 | while (todo > 0) { | |
518 | if (dvb_ringbuffer_free(&av7110->aout) < 20 * 1024) { | |
519 | if (nonblock) | |
520 | return count - todo; | |
521 | if (wait_event_interruptible(av7110->aout.queue, | |
522 | (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024))) | |
523 | return count-todo; | |
524 | } | |
525 | n = todo; | |
526 | if (n > IPACKS * 2) | |
527 | n = IPACKS * 2; | |
528 | if (copy_from_user(av7110->kbuf[type], buf, n)) | |
529 | return -EFAULT; | |
530 | av7110_ipack_instant_repack(av7110->kbuf[type], n, | |
531 | &av7110->ipack[type]); | |
532 | todo -= n; | |
533 | buf += n; | |
534 | } | |
535 | return count - todo; | |
536 | } | |
537 | ||
538 | void av7110_p2t_init(struct av7110_p2t *p, struct dvb_demux_feed *feed) | |
539 | { | |
540 | memset(p->pes, 0, TS_SIZE); | |
541 | p->counter = 0; | |
542 | p->pos = 0; | |
543 | p->frags = 0; | |
544 | if (feed) | |
545 | p->feed = feed; | |
546 | } | |
547 | ||
548 | static void clear_p2t(struct av7110_p2t *p) | |
549 | { | |
550 | memset(p->pes, 0, TS_SIZE); | |
551 | // p->counter = 0; | |
552 | p->pos = 0; | |
553 | p->frags = 0; | |
554 | } | |
555 | ||
556 | ||
557 | static int find_pes_header(u8 const *buf, long int length, int *frags) | |
558 | { | |
559 | int c = 0; | |
560 | int found = 0; | |
561 | ||
562 | *frags = 0; | |
563 | ||
564 | while (c < length - 3 && !found) { | |
565 | if (buf[c] == 0x00 && buf[c + 1] == 0x00 && | |
566 | buf[c + 2] == 0x01) { | |
567 | switch ( buf[c + 3] ) { | |
568 | case PROG_STREAM_MAP: | |
569 | case PRIVATE_STREAM2: | |
570 | case PROG_STREAM_DIR: | |
571 | case ECM_STREAM : | |
572 | case EMM_STREAM : | |
573 | case PADDING_STREAM : | |
574 | case DSM_CC_STREAM : | |
575 | case ISO13522_STREAM: | |
576 | case PRIVATE_STREAM1: | |
577 | case AUDIO_STREAM_S ... AUDIO_STREAM_E: | |
578 | case VIDEO_STREAM_S ... VIDEO_STREAM_E: | |
579 | found = 1; | |
580 | break; | |
581 | ||
582 | default: | |
583 | c++; | |
584 | break; | |
585 | } | |
586 | } else | |
587 | c++; | |
588 | } | |
589 | if (c == length - 3 && !found) { | |
590 | if (buf[length - 1] == 0x00) | |
591 | *frags = 1; | |
592 | if (buf[length - 2] == 0x00 && | |
593 | buf[length - 1] == 0x00) | |
594 | *frags = 2; | |
595 | if (buf[length - 3] == 0x00 && | |
596 | buf[length - 2] == 0x00 && | |
597 | buf[length - 1] == 0x01) | |
598 | *frags = 3; | |
599 | return -1; | |
600 | } | |
601 | ||
602 | return c; | |
603 | } | |
604 | ||
605 | void av7110_p2t_write(u8 const *buf, long int length, u16 pid, struct av7110_p2t *p) | |
606 | { | |
607 | int c, c2, l, add; | |
608 | int check, rest; | |
609 | ||
610 | c = 0; | |
611 | c2 = 0; | |
612 | if (p->frags){ | |
613 | check = 0; | |
614 | switch(p->frags) { | |
615 | case 1: | |
616 | if (buf[c] == 0x00 && buf[c + 1] == 0x01) { | |
617 | check = 1; | |
618 | c += 2; | |
619 | } | |
620 | break; | |
621 | case 2: | |
622 | if (buf[c] == 0x01) { | |
623 | check = 1; | |
624 | c++; | |
625 | } | |
626 | break; | |
627 | case 3: | |
628 | check = 1; | |
629 | } | |
630 | if (check) { | |
631 | switch (buf[c]) { | |
632 | case PROG_STREAM_MAP: | |
633 | case PRIVATE_STREAM2: | |
634 | case PROG_STREAM_DIR: | |
635 | case ECM_STREAM : | |
636 | case EMM_STREAM : | |
637 | case PADDING_STREAM : | |
638 | case DSM_CC_STREAM : | |
639 | case ISO13522_STREAM: | |
640 | case PRIVATE_STREAM1: | |
641 | case AUDIO_STREAM_S ... AUDIO_STREAM_E: | |
642 | case VIDEO_STREAM_S ... VIDEO_STREAM_E: | |
643 | p->pes[0] = 0x00; | |
644 | p->pes[1] = 0x00; | |
645 | p->pes[2] = 0x01; | |
646 | p->pes[3] = buf[c]; | |
647 | p->pos = 4; | |
648 | memcpy(p->pes + p->pos, buf + c, (TS_SIZE - 4) - p->pos); | |
649 | c += (TS_SIZE - 4) - p->pos; | |
650 | p_to_t(p->pes, (TS_SIZE - 4), pid, &p->counter, p->feed); | |
651 | clear_p2t(p); | |
652 | break; | |
653 | ||
654 | default: | |
655 | c = 0; | |
656 | break; | |
657 | } | |
658 | } | |
659 | p->frags = 0; | |
660 | } | |
661 | ||
662 | if (p->pos) { | |
663 | c2 = find_pes_header(buf + c, length - c, &p->frags); | |
664 | if (c2 >= 0 && c2 < (TS_SIZE - 4) - p->pos) | |
665 | l = c2+c; | |
666 | else | |
667 | l = (TS_SIZE - 4) - p->pos; | |
668 | memcpy(p->pes + p->pos, buf, l); | |
669 | c += l; | |
670 | p->pos += l; | |
671 | p_to_t(p->pes, p->pos, pid, &p->counter, p->feed); | |
672 | clear_p2t(p); | |
673 | } | |
674 | ||
675 | add = 0; | |
676 | while (c < length) { | |
677 | c2 = find_pes_header(buf + c + add, length - c - add, &p->frags); | |
678 | if (c2 >= 0) { | |
679 | c2 += c + add; | |
680 | if (c2 > c){ | |
681 | p_to_t(buf + c, c2 - c, pid, &p->counter, p->feed); | |
682 | c = c2; | |
683 | clear_p2t(p); | |
684 | add = 0; | |
685 | } else | |
686 | add = 1; | |
687 | } else { | |
688 | l = length - c; | |
689 | rest = l % (TS_SIZE - 4); | |
690 | l -= rest; | |
691 | p_to_t(buf + c, l, pid, &p->counter, p->feed); | |
692 | memcpy(p->pes, buf + c + l, rest); | |
693 | p->pos = rest; | |
694 | c = length; | |
695 | } | |
696 | } | |
697 | } | |
698 | ||
699 | ||
700 | static int write_ts_header2(u16 pid, u8 *counter, int pes_start, u8 *buf, u8 length) | |
701 | { | |
702 | int i; | |
703 | int c = 0; | |
704 | int fill; | |
705 | u8 tshead[4] = { 0x47, 0x00, 0x00, 0x10 }; | |
706 | ||
707 | fill = (TS_SIZE - 4) - length; | |
708 | if (pes_start) | |
709 | tshead[1] = 0x40; | |
710 | if (fill) | |
711 | tshead[3] = 0x30; | |
712 | tshead[1] |= (u8)((pid & 0x1F00) >> 8); | |
713 | tshead[2] |= (u8)(pid & 0x00FF); | |
714 | tshead[3] |= ((*counter)++ & 0x0F); | |
715 | memcpy(buf, tshead, 4); | |
716 | c += 4; | |
717 | ||
718 | if (fill) { | |
719 | buf[4] = fill - 1; | |
720 | c++; | |
721 | if (fill > 1) { | |
722 | buf[5] = 0x00; | |
723 | c++; | |
724 | } | |
725 | for (i = 6; i < fill + 4; i++) { | |
726 | buf[i] = 0xFF; | |
727 | c++; | |
728 | } | |
729 | } | |
730 | ||
731 | return c; | |
732 | } | |
733 | ||
734 | ||
735 | static void p_to_t(u8 const *buf, long int length, u16 pid, u8 *counter, | |
736 | struct dvb_demux_feed *feed) | |
737 | { | |
738 | int l, pes_start; | |
739 | u8 obuf[TS_SIZE]; | |
740 | long c = 0; | |
741 | ||
742 | pes_start = 0; | |
743 | if (length > 3 && | |
744 | buf[0] == 0x00 && buf[1] == 0x00 && buf[2] == 0x01) | |
745 | switch (buf[3]) { | |
746 | case PROG_STREAM_MAP: | |
747 | case PRIVATE_STREAM2: | |
748 | case PROG_STREAM_DIR: | |
749 | case ECM_STREAM : | |
750 | case EMM_STREAM : | |
751 | case PADDING_STREAM : | |
752 | case DSM_CC_STREAM : | |
753 | case ISO13522_STREAM: | |
754 | case PRIVATE_STREAM1: | |
755 | case AUDIO_STREAM_S ... AUDIO_STREAM_E: | |
756 | case VIDEO_STREAM_S ... VIDEO_STREAM_E: | |
757 | pes_start = 1; | |
758 | break; | |
759 | ||
760 | default: | |
761 | break; | |
762 | } | |
763 | ||
764 | while (c < length) { | |
765 | memset(obuf, 0, TS_SIZE); | |
766 | if (length - c >= (TS_SIZE - 4)){ | |
767 | l = write_ts_header2(pid, counter, pes_start, | |
768 | obuf, (TS_SIZE - 4)); | |
769 | memcpy(obuf + l, buf + c, TS_SIZE - l); | |
770 | c += TS_SIZE - l; | |
771 | } else { | |
772 | l = write_ts_header2(pid, counter, pes_start, | |
773 | obuf, length - c); | |
774 | memcpy(obuf + l, buf + c, TS_SIZE - l); | |
775 | c = length; | |
776 | } | |
777 | feed->cb.ts(obuf, 188, NULL, 0, &feed->feed.ts, DMX_OK); | |
778 | pes_start = 0; | |
779 | } | |
780 | } | |
781 | ||
782 | ||
783 | int av7110_write_to_decoder(struct dvb_demux_feed *feed, const u8 *buf, size_t len) | |
784 | { | |
785 | struct dvb_demux *demux = feed->demux; | |
786 | struct av7110 *av7110 = (struct av7110 *) demux->priv; | |
787 | struct ipack *ipack = &av7110->ipack[feed->pes_type]; | |
788 | ||
789 | dprintk(2, "av7110:%p, \n", av7110); | |
790 | ||
791 | switch (feed->pes_type) { | |
792 | case 0: | |
793 | if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY) | |
794 | return -EINVAL; | |
795 | break; | |
796 | case 1: | |
797 | if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) | |
798 | return -EINVAL; | |
799 | break; | |
800 | default: | |
801 | return -1; | |
802 | } | |
803 | ||
804 | if (!(buf[3] & 0x10)) /* no payload? */ | |
805 | return -1; | |
806 | if (buf[1] & 0x40) | |
807 | av7110_ipack_flush(ipack); | |
808 | ||
809 | if (buf[3] & 0x20) { /* adaptation field? */ | |
810 | len -= buf[4] + 1; | |
811 | buf += buf[4] + 1; | |
812 | if (!len) | |
813 | return 0; | |
814 | } | |
815 | ||
816 | av7110_ipack_instant_repack(buf + 4, len - 4, &av7110->ipack[feed->pes_type]); | |
817 | return 0; | |
818 | } | |
819 | ||
820 | ||
821 | ||
822 | /****************************************************************************** | |
823 | * Video MPEG decoder events | |
824 | ******************************************************************************/ | |
825 | void dvb_video_add_event(struct av7110 *av7110, struct video_event *event) | |
826 | { | |
827 | struct dvb_video_events *events = &av7110->video_events; | |
828 | int wp; | |
829 | ||
830 | spin_lock_bh(&events->lock); | |
831 | ||
832 | wp = (events->eventw + 1) % MAX_VIDEO_EVENT; | |
833 | if (wp == events->eventr) { | |
834 | events->overflow = 1; | |
835 | events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT; | |
836 | } | |
837 | ||
838 | //FIXME: timestamp? | |
839 | memcpy(&events->events[events->eventw], event, sizeof(struct video_event)); | |
840 | events->eventw = wp; | |
841 | ||
842 | spin_unlock_bh(&events->lock); | |
843 | ||
844 | wake_up_interruptible(&events->wait_queue); | |
845 | } | |
846 | ||
847 | ||
848 | static int dvb_video_get_event (struct av7110 *av7110, struct video_event *event, int flags) | |
849 | { | |
850 | struct dvb_video_events *events = &av7110->video_events; | |
851 | ||
852 | if (events->overflow) { | |
853 | events->overflow = 0; | |
854 | return -EOVERFLOW; | |
855 | } | |
856 | if (events->eventw == events->eventr) { | |
857 | int ret; | |
858 | ||
859 | if (flags & O_NONBLOCK) | |
860 | return -EWOULDBLOCK; | |
861 | ||
862 | ret = wait_event_interruptible(events->wait_queue, | |
863 | events->eventw != events->eventr); | |
864 | if (ret < 0) | |
865 | return ret; | |
866 | } | |
867 | ||
868 | spin_lock_bh(&events->lock); | |
869 | ||
870 | memcpy(event, &events->events[events->eventr], | |
871 | sizeof(struct video_event)); | |
872 | events->eventr = (events->eventr + 1) % MAX_VIDEO_EVENT; | |
873 | ||
874 | spin_unlock_bh(&events->lock); | |
875 | ||
876 | return 0; | |
877 | } | |
878 | ||
879 | ||
880 | /****************************************************************************** | |
881 | * DVB device file operations | |
882 | ******************************************************************************/ | |
883 | ||
884 | static unsigned int dvb_video_poll(struct file *file, poll_table *wait) | |
885 | { | |
d9bdf772 TK |
886 | struct dvb_device *dvbdev = file->private_data; |
887 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
888 | unsigned int mask = 0; |
889 | ||
890 | dprintk(2, "av7110:%p, \n", av7110); | |
891 | ||
892 | if ((file->f_flags & O_ACCMODE) != O_RDONLY) | |
893 | poll_wait(file, &av7110->avout.queue, wait); | |
894 | ||
895 | poll_wait(file, &av7110->video_events.wait_queue, wait); | |
896 | ||
897 | if (av7110->video_events.eventw != av7110->video_events.eventr) | |
898 | mask = POLLPRI; | |
899 | ||
900 | if ((file->f_flags & O_ACCMODE) != O_RDONLY) { | |
901 | if (av7110->playing) { | |
902 | if (FREE_COND) | |
903 | mask |= (POLLOUT | POLLWRNORM); | |
904 | } else /* if not playing: may play if asked for */ | |
905 | mask |= (POLLOUT | POLLWRNORM); | |
906 | } | |
907 | ||
908 | return mask; | |
909 | } | |
910 | ||
911 | static ssize_t dvb_video_write(struct file *file, const char __user *buf, | |
912 | size_t count, loff_t *ppos) | |
913 | { | |
d9bdf772 TK |
914 | struct dvb_device *dvbdev = file->private_data; |
915 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
916 | |
917 | dprintk(2, "av7110:%p, \n", av7110); | |
918 | ||
919 | if ((file->f_flags & O_ACCMODE) == O_RDONLY) | |
920 | return -EPERM; | |
921 | ||
922 | if (av7110->videostate.stream_source != VIDEO_SOURCE_MEMORY) | |
923 | return -EPERM; | |
924 | ||
925 | return dvb_play(av7110, buf, count, file->f_flags & O_NONBLOCK, 1); | |
926 | } | |
927 | ||
928 | static unsigned int dvb_audio_poll(struct file *file, poll_table *wait) | |
929 | { | |
d9bdf772 TK |
930 | struct dvb_device *dvbdev = file->private_data; |
931 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
932 | unsigned int mask = 0; |
933 | ||
934 | dprintk(2, "av7110:%p, \n", av7110); | |
935 | ||
936 | poll_wait(file, &av7110->aout.queue, wait); | |
937 | ||
938 | if (av7110->playing) { | |
939 | if (dvb_ringbuffer_free(&av7110->aout) >= 20 * 1024) | |
940 | mask |= (POLLOUT | POLLWRNORM); | |
941 | } else /* if not playing: may play if asked for */ | |
942 | mask = (POLLOUT | POLLWRNORM); | |
943 | ||
944 | return mask; | |
945 | } | |
946 | ||
947 | static ssize_t dvb_audio_write(struct file *file, const char __user *buf, | |
948 | size_t count, loff_t *ppos) | |
949 | { | |
d9bdf772 TK |
950 | struct dvb_device *dvbdev = file->private_data; |
951 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
952 | |
953 | dprintk(2, "av7110:%p, \n", av7110); | |
954 | ||
955 | if (av7110->audiostate.stream_source != AUDIO_SOURCE_MEMORY) { | |
956 | printk(KERN_ERR "not audio source memory\n"); | |
957 | return -EPERM; | |
958 | } | |
959 | return dvb_aplay(av7110, buf, count, file->f_flags & O_NONBLOCK, 0); | |
960 | } | |
961 | ||
962 | static u8 iframe_header[] = { 0x00, 0x00, 0x01, 0xe0, 0x00, 0x00, 0x80, 0x00, 0x00 }; | |
963 | ||
964 | #define MIN_IFRAME 400000 | |
965 | ||
804b4458 | 966 | static int play_iframe(struct av7110 *av7110, char __user *buf, unsigned int len, int nonblock) |
1da177e4 | 967 | { |
a230e55d | 968 | unsigned i, n; |
0ed4a6ea | 969 | int progressive = 0; |
a230e55d | 970 | int match = 0; |
1da177e4 LT |
971 | |
972 | dprintk(2, "av7110:%p, \n", av7110); | |
973 | ||
974 | if (!(av7110->playing & RP_VIDEO)) { | |
975 | if (av7110_av_start_play(av7110, RP_VIDEO) < 0) | |
976 | return -EBUSY; | |
977 | } | |
978 | ||
a230e55d AV |
979 | /* search in buf for instances of 00 00 01 b5 1? */ |
980 | for (i = 0; i < len; i++) { | |
981 | unsigned char c; | |
982 | if (get_user(c, buf + i)) | |
983 | return -EFAULT; | |
984 | if (match == 5) { | |
985 | progressive = c & 0x08; | |
986 | match = 0; | |
987 | } | |
988 | if (c == 0x00) { | |
989 | match = (match == 1 || match == 2) ? 2 : 1; | |
990 | continue; | |
991 | } | |
992 | switch (match++) { | |
993 | case 2: if (c == 0x01) | |
994 | continue; | |
995 | break; | |
996 | case 3: if (c == 0xb5) | |
997 | continue; | |
998 | break; | |
999 | case 4: if ((c & 0xf0) == 0x10) | |
1000 | continue; | |
1001 | break; | |
1002 | } | |
1003 | match = 0; | |
0ed4a6ea OE |
1004 | } |
1005 | ||
1da177e4 LT |
1006 | /* setting n always > 1, fixes problems when playing stillframes |
1007 | consisting of I- and P-Frames */ | |
1008 | n = MIN_IFRAME / len + 1; | |
1009 | ||
1010 | /* FIXME: nonblock? */ | |
1011 | dvb_play_kernel(av7110, iframe_header, sizeof(iframe_header), 0, 1); | |
1012 | ||
1013 | for (i = 0; i < n; i++) | |
1014 | dvb_play(av7110, buf, len, 0, 1); | |
1015 | ||
1016 | av7110_ipack_flush(&av7110->ipack[1]); | |
0ed4a6ea OE |
1017 | |
1018 | if (progressive) | |
1019 | return vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1); | |
1020 | else | |
1021 | return 0; | |
1da177e4 LT |
1022 | } |
1023 | ||
1024 | ||
1025 | static int dvb_video_ioctl(struct inode *inode, struct file *file, | |
1026 | unsigned int cmd, void *parg) | |
1027 | { | |
d9bdf772 TK |
1028 | struct dvb_device *dvbdev = file->private_data; |
1029 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
1030 | unsigned long arg = (unsigned long) parg; |
1031 | int ret = 0; | |
1032 | ||
ce18a223 | 1033 | dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd); |
1da177e4 LT |
1034 | |
1035 | if ((file->f_flags & O_ACCMODE) == O_RDONLY) { | |
1036 | if ( cmd != VIDEO_GET_STATUS && cmd != VIDEO_GET_EVENT && | |
1037 | cmd != VIDEO_GET_SIZE ) { | |
1038 | return -EPERM; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | switch (cmd) { | |
1043 | case VIDEO_STOP: | |
1044 | av7110->videostate.play_state = VIDEO_STOPPED; | |
1045 | if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) | |
ce18a223 | 1046 | ret = av7110_av_stop(av7110, RP_VIDEO); |
1da177e4 | 1047 | else |
2435be11 | 1048 | ret = vidcom(av7110, AV_VIDEO_CMD_STOP, |
1da177e4 | 1049 | av7110->videostate.video_blank ? 0 : 1); |
ce18a223 WR |
1050 | if (!ret) |
1051 | av7110->trickmode = TRICK_NONE; | |
1da177e4 LT |
1052 | break; |
1053 | ||
1054 | case VIDEO_PLAY: | |
1055 | av7110->trickmode = TRICK_NONE; | |
1056 | if (av7110->videostate.play_state == VIDEO_FREEZED) { | |
1057 | av7110->videostate.play_state = VIDEO_PLAYING; | |
2435be11 | 1058 | ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0); |
ce18a223 WR |
1059 | if (ret) |
1060 | break; | |
1da177e4 LT |
1061 | } |
1062 | ||
1063 | if (av7110->videostate.stream_source == VIDEO_SOURCE_MEMORY) { | |
1064 | if (av7110->playing == RP_AV) { | |
ce18a223 WR |
1065 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Stop, 0); |
1066 | if (ret) | |
1067 | break; | |
1da177e4 LT |
1068 | av7110->playing &= ~RP_VIDEO; |
1069 | } | |
ce18a223 | 1070 | ret = av7110_av_start_play(av7110, RP_VIDEO); |
1da177e4 | 1071 | } |
ce18a223 | 1072 | if (!ret) |
2435be11 | 1073 | ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0); |
ce18a223 WR |
1074 | if (!ret) |
1075 | av7110->videostate.play_state = VIDEO_PLAYING; | |
1da177e4 LT |
1076 | break; |
1077 | ||
1078 | case VIDEO_FREEZE: | |
1079 | av7110->videostate.play_state = VIDEO_FREEZED; | |
1080 | if (av7110->playing & RP_VIDEO) | |
ce18a223 | 1081 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Pause, 0); |
1da177e4 | 1082 | else |
2435be11 | 1083 | ret = vidcom(av7110, AV_VIDEO_CMD_FREEZE, 1); |
ce18a223 WR |
1084 | if (!ret) |
1085 | av7110->trickmode = TRICK_FREEZE; | |
1da177e4 LT |
1086 | break; |
1087 | ||
1088 | case VIDEO_CONTINUE: | |
1089 | if (av7110->playing & RP_VIDEO) | |
ce18a223 WR |
1090 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Continue, 0); |
1091 | if (!ret) | |
2435be11 | 1092 | ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0); |
ce18a223 WR |
1093 | if (!ret) { |
1094 | av7110->videostate.play_state = VIDEO_PLAYING; | |
1095 | av7110->trickmode = TRICK_NONE; | |
1096 | } | |
1da177e4 LT |
1097 | break; |
1098 | ||
1099 | case VIDEO_SELECT_SOURCE: | |
1100 | av7110->videostate.stream_source = (video_stream_source_t) arg; | |
1101 | break; | |
1102 | ||
1103 | case VIDEO_SET_BLANK: | |
1104 | av7110->videostate.video_blank = (int) arg; | |
1105 | break; | |
1106 | ||
1107 | case VIDEO_GET_STATUS: | |
1108 | memcpy(parg, &av7110->videostate, sizeof(struct video_status)); | |
1109 | break; | |
1110 | ||
1111 | case VIDEO_GET_EVENT: | |
ce18a223 | 1112 | ret = dvb_video_get_event(av7110, parg, file->f_flags); |
1da177e4 LT |
1113 | break; |
1114 | ||
1115 | case VIDEO_GET_SIZE: | |
1116 | memcpy(parg, &av7110->video_size, sizeof(video_size_t)); | |
1117 | break; | |
1118 | ||
1119 | case VIDEO_SET_DISPLAY_FORMAT: | |
1120 | { | |
1121 | video_displayformat_t format = (video_displayformat_t) arg; | |
1da177e4 LT |
1122 | |
1123 | switch (format) { | |
1124 | case VIDEO_PAN_SCAN: | |
defd574e | 1125 | av7110->display_panscan = VID_PAN_SCAN_PREF; |
1da177e4 LT |
1126 | break; |
1127 | ||
1128 | case VIDEO_LETTER_BOX: | |
defd574e | 1129 | av7110->display_panscan = VID_VC_AND_PS_PREF; |
1da177e4 LT |
1130 | break; |
1131 | ||
1132 | case VIDEO_CENTER_CUT_OUT: | |
defd574e | 1133 | av7110->display_panscan = VID_CENTRE_CUT_PREF; |
1da177e4 LT |
1134 | break; |
1135 | ||
1136 | default: | |
1137 | ret = -EINVAL; | |
1138 | } | |
1139 | if (ret < 0) | |
1140 | break; | |
a65d3bb7 | 1141 | av7110->videostate.display_format = format; |
1da177e4 | 1142 | ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetPanScanType, |
defd574e | 1143 | 1, av7110->display_panscan); |
1da177e4 LT |
1144 | break; |
1145 | } | |
1146 | ||
1147 | case VIDEO_SET_FORMAT: | |
1148 | if (arg > 1) { | |
1149 | ret = -EINVAL; | |
1150 | break; | |
1151 | } | |
1152 | av7110->display_ar = arg; | |
1153 | ret = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetMonitorType, | |
1154 | 1, (u16) arg); | |
1155 | break; | |
1156 | ||
1157 | case VIDEO_STILLPICTURE: | |
1158 | { | |
1159 | struct video_still_picture *pic = | |
1160 | (struct video_still_picture *) parg; | |
1161 | av7110->videostate.stream_source = VIDEO_SOURCE_MEMORY; | |
1162 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout); | |
1163 | ret = play_iframe(av7110, pic->iFrame, pic->size, | |
1164 | file->f_flags & O_NONBLOCK); | |
1165 | break; | |
1166 | } | |
1167 | ||
1168 | case VIDEO_FAST_FORWARD: | |
1169 | //note: arg is ignored by firmware | |
1170 | if (av7110->playing & RP_VIDEO) | |
ce18a223 | 1171 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, |
7a2fa90f | 1172 | __Scan_I, 2, AV_PES, 0); |
1da177e4 | 1173 | else |
2435be11 | 1174 | ret = vidcom(av7110, AV_VIDEO_CMD_FFWD, arg); |
ce18a223 WR |
1175 | if (!ret) { |
1176 | av7110->trickmode = TRICK_FAST; | |
1177 | av7110->videostate.play_state = VIDEO_PLAYING; | |
1178 | } | |
1da177e4 LT |
1179 | break; |
1180 | ||
1181 | case VIDEO_SLOWMOTION: | |
1182 | if (av7110->playing&RP_VIDEO) { | |
ce18a223 WR |
1183 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, __Slow, 2, 0, 0); |
1184 | if (!ret) | |
2435be11 | 1185 | ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg); |
1da177e4 | 1186 | } else { |
2435be11 | 1187 | ret = vidcom(av7110, AV_VIDEO_CMD_PLAY, 0); |
ce18a223 | 1188 | if (!ret) |
2435be11 | 1189 | ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 0); |
ce18a223 | 1190 | if (!ret) |
2435be11 | 1191 | ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg); |
ce18a223 WR |
1192 | } |
1193 | if (!ret) { | |
1194 | av7110->trickmode = TRICK_SLOW; | |
1195 | av7110->videostate.play_state = VIDEO_PLAYING; | |
1da177e4 | 1196 | } |
1da177e4 LT |
1197 | break; |
1198 | ||
1199 | case VIDEO_GET_CAPABILITIES: | |
1200 | *(int *)parg = VIDEO_CAP_MPEG1 | VIDEO_CAP_MPEG2 | | |
1201 | VIDEO_CAP_SYS | VIDEO_CAP_PROG; | |
1202 | break; | |
1203 | ||
1204 | case VIDEO_CLEAR_BUFFER: | |
1205 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout); | |
1206 | av7110_ipack_reset(&av7110->ipack[1]); | |
1207 | ||
1208 | if (av7110->playing == RP_AV) { | |
ce18a223 | 1209 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, |
7a2fa90f | 1210 | __Play, 2, AV_PES, 0); |
ce18a223 WR |
1211 | if (ret) |
1212 | break; | |
1da177e4 | 1213 | if (av7110->trickmode == TRICK_FAST) |
ce18a223 | 1214 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, |
7a2fa90f | 1215 | __Scan_I, 2, AV_PES, 0); |
1da177e4 | 1216 | if (av7110->trickmode == TRICK_SLOW) { |
ce18a223 | 1217 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, |
7a2fa90f | 1218 | __Slow, 2, 0, 0); |
ce18a223 | 1219 | if (!ret) |
2435be11 | 1220 | ret = vidcom(av7110, AV_VIDEO_CMD_SLOW, arg); |
1da177e4 LT |
1221 | } |
1222 | if (av7110->trickmode == TRICK_FREEZE) | |
2435be11 | 1223 | ret = vidcom(av7110, AV_VIDEO_CMD_STOP, 1); |
1da177e4 LT |
1224 | } |
1225 | break; | |
1226 | ||
1227 | case VIDEO_SET_STREAMTYPE: | |
1228 | ||
1229 | break; | |
1230 | ||
1231 | default: | |
1232 | ret = -ENOIOCTLCMD; | |
1233 | break; | |
1234 | } | |
1235 | return ret; | |
1236 | } | |
1237 | ||
1238 | static int dvb_audio_ioctl(struct inode *inode, struct file *file, | |
1239 | unsigned int cmd, void *parg) | |
1240 | { | |
d9bdf772 TK |
1241 | struct dvb_device *dvbdev = file->private_data; |
1242 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
1243 | unsigned long arg = (unsigned long) parg; |
1244 | int ret = 0; | |
1245 | ||
ce18a223 | 1246 | dprintk(1, "av7110:%p, cmd=%04x\n", av7110,cmd); |
1da177e4 LT |
1247 | |
1248 | if (((file->f_flags & O_ACCMODE) == O_RDONLY) && | |
1249 | (cmd != AUDIO_GET_STATUS)) | |
1250 | return -EPERM; | |
1251 | ||
1252 | switch (cmd) { | |
1253 | case AUDIO_STOP: | |
1254 | if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY) | |
ce18a223 | 1255 | ret = av7110_av_stop(av7110, RP_AUDIO); |
1da177e4 | 1256 | else |
ce18a223 WR |
1257 | ret = audcom(av7110, AUDIO_CMD_MUTE); |
1258 | if (!ret) | |
1259 | av7110->audiostate.play_state = AUDIO_STOPPED; | |
1da177e4 LT |
1260 | break; |
1261 | ||
1262 | case AUDIO_PLAY: | |
1263 | if (av7110->audiostate.stream_source == AUDIO_SOURCE_MEMORY) | |
ce18a223 WR |
1264 | ret = av7110_av_start_play(av7110, RP_AUDIO); |
1265 | if (!ret) | |
1266 | ret = audcom(av7110, AUDIO_CMD_UNMUTE); | |
1267 | if (!ret) | |
1268 | av7110->audiostate.play_state = AUDIO_PLAYING; | |
1da177e4 LT |
1269 | break; |
1270 | ||
1271 | case AUDIO_PAUSE: | |
ce18a223 WR |
1272 | ret = audcom(av7110, AUDIO_CMD_MUTE); |
1273 | if (!ret) | |
1274 | av7110->audiostate.play_state = AUDIO_PAUSED; | |
1da177e4 LT |
1275 | break; |
1276 | ||
1277 | case AUDIO_CONTINUE: | |
1278 | if (av7110->audiostate.play_state == AUDIO_PAUSED) { | |
1279 | av7110->audiostate.play_state = AUDIO_PLAYING; | |
ce18a223 | 1280 | ret = audcom(av7110, AUDIO_CMD_UNMUTE | AUDIO_CMD_PCM16); |
1da177e4 LT |
1281 | } |
1282 | break; | |
1283 | ||
1284 | case AUDIO_SELECT_SOURCE: | |
1285 | av7110->audiostate.stream_source = (audio_stream_source_t) arg; | |
1286 | break; | |
1287 | ||
1288 | case AUDIO_SET_MUTE: | |
1289 | { | |
ce18a223 WR |
1290 | ret = audcom(av7110, arg ? AUDIO_CMD_MUTE : AUDIO_CMD_UNMUTE); |
1291 | if (!ret) | |
1292 | av7110->audiostate.mute_state = (int) arg; | |
1da177e4 LT |
1293 | break; |
1294 | } | |
1295 | ||
1296 | case AUDIO_SET_AV_SYNC: | |
1297 | av7110->audiostate.AV_sync_state = (int) arg; | |
ce18a223 | 1298 | ret = audcom(av7110, arg ? AUDIO_CMD_SYNC_ON : AUDIO_CMD_SYNC_OFF); |
1da177e4 LT |
1299 | break; |
1300 | ||
1301 | case AUDIO_SET_BYPASS_MODE: | |
47f36920 DWF |
1302 | if (FW_VERSION(av7110->arm_app) < 0x2621) |
1303 | ret = -EINVAL; | |
1304 | av7110->audiostate.bypass_mode = (int)arg; | |
1da177e4 LT |
1305 | break; |
1306 | ||
1307 | case AUDIO_CHANNEL_SELECT: | |
1308 | av7110->audiostate.channel_select = (audio_channel_select_t) arg; | |
1309 | ||
1310 | switch(av7110->audiostate.channel_select) { | |
1311 | case AUDIO_STEREO: | |
ce18a223 | 1312 | ret = audcom(av7110, AUDIO_CMD_STEREO); |
61391e04 | 1313 | if (!ret) { |
ce18a223 WR |
1314 | if (av7110->adac_type == DVB_ADAC_CRYSTAL) |
1315 | i2c_writereg(av7110, 0x20, 0x02, 0x49); | |
61391e04 TK |
1316 | else if (av7110->adac_type == DVB_ADAC_MSP34x5) |
1317 | msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); | |
1318 | } | |
1da177e4 LT |
1319 | break; |
1320 | ||
1321 | case AUDIO_MONO_LEFT: | |
ce18a223 | 1322 | ret = audcom(av7110, AUDIO_CMD_MONO_L); |
61391e04 | 1323 | if (!ret) { |
ce18a223 WR |
1324 | if (av7110->adac_type == DVB_ADAC_CRYSTAL) |
1325 | i2c_writereg(av7110, 0x20, 0x02, 0x4a); | |
61391e04 TK |
1326 | else if (av7110->adac_type == DVB_ADAC_MSP34x5) |
1327 | msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0200); | |
1328 | } | |
1da177e4 LT |
1329 | break; |
1330 | ||
1331 | case AUDIO_MONO_RIGHT: | |
ce18a223 | 1332 | ret = audcom(av7110, AUDIO_CMD_MONO_R); |
61391e04 | 1333 | if (!ret) { |
ce18a223 WR |
1334 | if (av7110->adac_type == DVB_ADAC_CRYSTAL) |
1335 | i2c_writereg(av7110, 0x20, 0x02, 0x45); | |
61391e04 TK |
1336 | else if (av7110->adac_type == DVB_ADAC_MSP34x5) |
1337 | msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0210); | |
1338 | } | |
1da177e4 LT |
1339 | break; |
1340 | ||
1341 | default: | |
1342 | ret = -EINVAL; | |
1343 | break; | |
1344 | } | |
1345 | break; | |
1346 | ||
1347 | case AUDIO_GET_STATUS: | |
1348 | memcpy(parg, &av7110->audiostate, sizeof(struct audio_status)); | |
1349 | break; | |
1350 | ||
1351 | case AUDIO_GET_CAPABILITIES: | |
47f36920 DWF |
1352 | if (FW_VERSION(av7110->arm_app) < 0x2621) |
1353 | *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_MP1 | AUDIO_CAP_MP2; | |
1354 | else | |
1355 | *(unsigned int *)parg = AUDIO_CAP_LPCM | AUDIO_CAP_DTS | AUDIO_CAP_AC3 | | |
1356 | AUDIO_CAP_MP1 | AUDIO_CAP_MP2; | |
1da177e4 LT |
1357 | break; |
1358 | ||
1359 | case AUDIO_CLEAR_BUFFER: | |
1360 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout); | |
1361 | av7110_ipack_reset(&av7110->ipack[0]); | |
1362 | if (av7110->playing == RP_AV) | |
ce18a223 | 1363 | ret = av7110_fw_cmd(av7110, COMTYPE_REC_PLAY, |
7a2fa90f | 1364 | __Play, 2, AV_PES, 0); |
1da177e4 LT |
1365 | break; |
1366 | case AUDIO_SET_ID: | |
1367 | ||
1368 | break; | |
1369 | case AUDIO_SET_MIXER: | |
1370 | { | |
1371 | struct audio_mixer *amix = (struct audio_mixer *)parg; | |
1372 | ||
ce18a223 | 1373 | ret = av7110_set_volume(av7110, amix->volume_left, amix->volume_right); |
1da177e4 LT |
1374 | break; |
1375 | } | |
1376 | case AUDIO_SET_STREAMTYPE: | |
1377 | break; | |
1378 | default: | |
1379 | ret = -ENOIOCTLCMD; | |
1380 | } | |
1381 | return ret; | |
1382 | } | |
1383 | ||
1384 | ||
1385 | static int dvb_video_open(struct inode *inode, struct file *file) | |
1386 | { | |
d9bdf772 TK |
1387 | struct dvb_device *dvbdev = file->private_data; |
1388 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
1389 | int err; |
1390 | ||
1391 | dprintk(2, "av7110:%p, \n", av7110); | |
1392 | ||
1393 | if ((err = dvb_generic_open(inode, file)) < 0) | |
1394 | return err; | |
1395 | ||
1396 | if ((file->f_flags & O_ACCMODE) != O_RDONLY) { | |
1397 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout); | |
1398 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->avout); | |
1399 | av7110->video_blank = 1; | |
1400 | av7110->audiostate.AV_sync_state = 1; | |
1401 | av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX; | |
1402 | ||
1403 | /* empty event queue */ | |
1404 | av7110->video_events.eventr = av7110->video_events.eventw = 0; | |
1405 | } | |
1406 | ||
1407 | return 0; | |
1408 | } | |
1409 | ||
1410 | static int dvb_video_release(struct inode *inode, struct file *file) | |
1411 | { | |
d9bdf772 TK |
1412 | struct dvb_device *dvbdev = file->private_data; |
1413 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
1414 | |
1415 | dprintk(2, "av7110:%p, \n", av7110); | |
1416 | ||
1417 | if ((file->f_flags & O_ACCMODE) != O_RDONLY) { | |
1418 | av7110_av_stop(av7110, RP_VIDEO); | |
1419 | } | |
1420 | ||
1421 | return dvb_generic_release(inode, file); | |
1422 | } | |
1423 | ||
1424 | static int dvb_audio_open(struct inode *inode, struct file *file) | |
1425 | { | |
d9bdf772 TK |
1426 | struct dvb_device *dvbdev = file->private_data; |
1427 | struct av7110 *av7110 = dvbdev->priv; | |
1428 | int err = dvb_generic_open(inode, file); | |
1da177e4 LT |
1429 | |
1430 | dprintk(2, "av7110:%p, \n", av7110); | |
1431 | ||
1432 | if (err < 0) | |
1433 | return err; | |
1434 | dvb_ringbuffer_flush_spinlock_wakeup(&av7110->aout); | |
1435 | av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX; | |
1436 | return 0; | |
1437 | } | |
1438 | ||
1439 | static int dvb_audio_release(struct inode *inode, struct file *file) | |
1440 | { | |
d9bdf772 TK |
1441 | struct dvb_device *dvbdev = file->private_data; |
1442 | struct av7110 *av7110 = dvbdev->priv; | |
1da177e4 LT |
1443 | |
1444 | dprintk(2, "av7110:%p, \n", av7110); | |
1445 | ||
1446 | av7110_av_stop(av7110, RP_AUDIO); | |
1447 | return dvb_generic_release(inode, file); | |
1448 | } | |
1449 | ||
1450 | ||
1451 | ||
1452 | /****************************************************************************** | |
1453 | * driver registration | |
1454 | ******************************************************************************/ | |
1455 | ||
1456 | static struct file_operations dvb_video_fops = { | |
1457 | .owner = THIS_MODULE, | |
1458 | .write = dvb_video_write, | |
1459 | .ioctl = dvb_generic_ioctl, | |
1460 | .open = dvb_video_open, | |
1461 | .release = dvb_video_release, | |
1462 | .poll = dvb_video_poll, | |
1463 | }; | |
1464 | ||
1465 | static struct dvb_device dvbdev_video = { | |
1466 | .priv = NULL, | |
1467 | .users = 6, | |
1468 | .readers = 5, /* arbitrary */ | |
1469 | .writers = 1, | |
1470 | .fops = &dvb_video_fops, | |
1471 | .kernel_ioctl = dvb_video_ioctl, | |
1472 | }; | |
1473 | ||
1474 | static struct file_operations dvb_audio_fops = { | |
1475 | .owner = THIS_MODULE, | |
1476 | .write = dvb_audio_write, | |
1477 | .ioctl = dvb_generic_ioctl, | |
1478 | .open = dvb_audio_open, | |
1479 | .release = dvb_audio_release, | |
1480 | .poll = dvb_audio_poll, | |
1481 | }; | |
1482 | ||
1483 | static struct dvb_device dvbdev_audio = { | |
1484 | .priv = NULL, | |
1485 | .users = 1, | |
1486 | .writers = 1, | |
1487 | .fops = &dvb_audio_fops, | |
1488 | .kernel_ioctl = dvb_audio_ioctl, | |
1489 | }; | |
1490 | ||
1491 | ||
1492 | int av7110_av_register(struct av7110 *av7110) | |
1493 | { | |
1494 | av7110->audiostate.AV_sync_state = 0; | |
1495 | av7110->audiostate.mute_state = 0; | |
1496 | av7110->audiostate.play_state = AUDIO_STOPPED; | |
1497 | av7110->audiostate.stream_source = AUDIO_SOURCE_DEMUX; | |
1498 | av7110->audiostate.channel_select = AUDIO_STEREO; | |
1499 | av7110->audiostate.bypass_mode = 0; | |
1500 | ||
1501 | av7110->videostate.video_blank = 0; | |
1502 | av7110->videostate.play_state = VIDEO_STOPPED; | |
1503 | av7110->videostate.stream_source = VIDEO_SOURCE_DEMUX; | |
1504 | av7110->videostate.video_format = VIDEO_FORMAT_4_3; | |
defd574e | 1505 | av7110->videostate.display_format = VIDEO_LETTER_BOX; |
1da177e4 | 1506 | av7110->display_ar = VIDEO_FORMAT_4_3; |
defd574e | 1507 | av7110->display_panscan = VID_VC_AND_PS_PREF; |
1da177e4 LT |
1508 | |
1509 | init_waitqueue_head(&av7110->video_events.wait_queue); | |
1510 | spin_lock_init(&av7110->video_events.lock); | |
1511 | av7110->video_events.eventw = av7110->video_events.eventr = 0; | |
1512 | av7110->video_events.overflow = 0; | |
1513 | memset(&av7110->video_size, 0, sizeof (video_size_t)); | |
1514 | ||
fdc53a6d | 1515 | dvb_register_device(&av7110->dvb_adapter, &av7110->video_dev, |
1da177e4 LT |
1516 | &dvbdev_video, av7110, DVB_DEVICE_VIDEO); |
1517 | ||
fdc53a6d | 1518 | dvb_register_device(&av7110->dvb_adapter, &av7110->audio_dev, |
1da177e4 LT |
1519 | &dvbdev_audio, av7110, DVB_DEVICE_AUDIO); |
1520 | ||
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | void av7110_av_unregister(struct av7110 *av7110) | |
1525 | { | |
1526 | dvb_unregister_device(av7110->audio_dev); | |
1527 | dvb_unregister_device(av7110->video_dev); | |
1528 | } | |
1529 | ||
1530 | int av7110_av_init(struct av7110 *av7110) | |
1531 | { | |
1532 | void (*play[])(u8 *, int, void *) = { play_audio_cb, play_video_cb }; | |
1533 | int i, ret; | |
1534 | ||
1da177e4 LT |
1535 | for (i = 0; i < 2; i++) { |
1536 | struct ipack *ipack = av7110->ipack + i; | |
1537 | ||
1538 | ret = av7110_ipack_init(ipack, IPACKS, play[i]); | |
1539 | if (ret < 0) { | |
1540 | if (i) | |
1541 | av7110_ipack_free(--ipack); | |
1542 | goto out; | |
1543 | } | |
1544 | ipack->data = av7110; | |
1545 | } | |
1546 | ||
1547 | dvb_ringbuffer_init(&av7110->avout, av7110->iobuf, AVOUTLEN); | |
1548 | dvb_ringbuffer_init(&av7110->aout, av7110->iobuf + AVOUTLEN, AOUTLEN); | |
1549 | ||
1550 | av7110->kbuf[0] = (u8 *)(av7110->iobuf + AVOUTLEN + AOUTLEN + BMPLEN); | |
1551 | av7110->kbuf[1] = av7110->kbuf[0] + 2 * IPACKS; | |
1552 | out: | |
1553 | return ret; | |
1554 | } | |
1555 | ||
1556 | void av7110_av_exit(struct av7110 *av7110) | |
1557 | { | |
1558 | av7110_ipack_free(&av7110->ipack[0]); | |
1559 | av7110_ipack_free(&av7110->ipack[1]); | |
1560 | } |