2 Copyright 2004-2005 Chris Tallon, 2009 Marten Richter
4 This file is part of VOMP.
6 VOMP is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 VOMP is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with VOMP; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 #include "videovpeogl.h"
23 #include "mtdraspberry.h"
31 //taken and adapted from libdtv, (c) Rolf Hakenes
32 // CRC32 lookup table for polynomial 0x04c11db7
33 unsigned int crc_table[256] = {
34 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
35 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
36 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
37 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
38 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
39 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
40 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
41 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
42 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
43 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
44 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
45 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
46 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
47 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
48 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
49 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
50 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
51 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
52 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
53 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
54 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
55 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
56 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
57 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
58 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
59 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
60 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
61 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
62 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
63 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
64 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
65 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
66 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
67 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
68 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
69 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
70 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
71 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
72 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
73 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
74 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
75 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
76 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4};
78 unsigned int crc32 (const char *d, int len, unsigned int crc)
81 const unsigned char *u=(unsigned char*)d; // Saves '& 0xff'
84 crc = (crc << 8) ^ crc_table[((crc >> 24) ^ *u++)];
91 VideoVPEOGL::VideoVPEOGL()
97 audioconti=videoconti=0;
98 pmtversion=patversion=0;
102 VideoVPEOGL::~VideoVPEOGL()
107 int VideoVPEOGL::init(UCHAR tformat)
109 if (initted) return 0;
112 // if ((fdVideo = open("/dev/vdec_dev", O_WRONLY)) < 0) return 0;
114 if (!setFormat(tformat)) { shutdown(); return 0; }
115 if (!setConnection(COMPOSITERGB)) { shutdown(); return 0; }
116 if (!setAspectRatio(ASPECT4X3)) { shutdown(); return 0; }
117 if (!setMode(NORMAL)) { shutdown(); return 0; }
118 if (!setSource()) { shutdown(); return 0; }
119 if (!attachFrameBuffer()) { shutdown(); return 0; }
121 setTVsize(ASPECT4X3);
123 /* if (format == PAL) setLetterboxBorder("38");
124 else setLetterboxBorder("31");*/
134 int VideoVPEOGL::setTVsize(UCHAR ttvsize)
138 // Override the aspect ratio usage, temporarily use to set the video chip mode
139 if (!setAspectRatio(tvsize)) { shutdown(); return 0; }
141 if ((fdVideo = open("/dev/vdec_dev", O_WRONLY)) < 0) return 0;
142 if (!setSource()) { shutdown(); return 0; }
143 if (!attachFrameBuffer()) { shutdown(); return 0; }
145 // Reopening the fd causes the scart aspect line to go back to 4:3
146 // Set this again to the same as the tv screen size
147 if (!setAspectRatio(tvsize)) { shutdown(); return 0; }
149 // mode == LETTERBOX is invalid if the TV is widescreen
150 if (tvsize == ASPECT16X9) setMode(NORMAL);
155 int VideoVPEOGL::setDefaultAspect()
157 return setAspectRatio(tvsize);
160 int VideoVPEOGL::shutdown()
162 if (!initted) return 0;
169 int VideoVPEOGL::setFormat(UCHAR tformat)
171 if (!initted) return 0;
172 if ((tformat != PAL) && (tformat != NTSC)) return 0;
175 // if (ioctl(fdVideo, AV_SET_VID_DISP_FMT, format) != 0) return 0;
191 int VideoVPEOGL::setConnection(UCHAR tconnection)
193 if (!initted) return 0;
194 if ((tconnection != COMPOSITERGB) && (tconnection != SVIDEO)) return 0;
195 connection = tconnection;
197 // if (ioctl(fdVideo, AV_SET_VID_OUTPUT, connection) != 0) return 0;
201 int VideoVPEOGL::setAspectRatio(UCHAR taspectRatio)
203 if (!initted) return 0;
204 if ((taspectRatio != ASPECT4X3) && (taspectRatio != ASPECT16X9)) return 0;
205 aspectRatio = taspectRatio;
207 Log::getInstance()->log("Video", Log::DEBUG, "Setting aspect to %i", aspectRatio);
209 // if (ioctl(fdVideo, AV_SET_VID_RATIO, aspectRatio) != 0) return 0;
213 int VideoVPEOGL::setMode(UCHAR tmode)
215 if (!initted) return 0;
217 if ((tmode == LETTERBOX) && (tvsize == ASPECT16X9)) return 0; // invalid mode
219 if ((tmode != NORMAL) && (tmode != LETTERBOX) && (tmode != UNKNOWN2) && (tmode != QUARTER) && (tmode != EIGHTH)
220 && (tmode != ZOOM) && (tmode != UNKNOWN6)) return 0;
223 // if (ioctl(fdVideo, AV_SET_VID_MODE, mode) != 0) return 0;
227 int VideoVPEOGL::signalOff()
229 // if (ioctl(fdVideo, AV_SET_VID_DENC, 0) != 0) return 0;
233 int VideoVPEOGL::signalOn()
235 // if (ioctl(fdVideo, AV_SET_VID_DENC, 1) != 0) return 0;
239 int VideoVPEOGL::setSource()
241 if (!initted) return 0;
243 // What does this do...
244 // if (ioctl(fdVideo, AV_SET_VID_SRC, 1) != 0) return 0;
248 int VideoVPEOGL::setPosition(int x, int y)
250 if (!initted) return 0;
252 // vid_pos_regs_t pos_d;
256 /* vid_pos_regs_t pos_d;
258 memset(&pos_d, 0, sizeof(pos_d));
283 pos_d.y = 100; // Top left X
284 pos_d.x = 50; // Top left Y
292 // if (ioctl(fdVideo, AV_SET_VID_POSITION, &pos_d) != 0) return 0;
296 int VideoVPEOGL::sync()
298 if (!initted) return 0;
300 // if (ioctl(fdVideo, AV_SET_VID_SYNC, 2) != 0) return 0;
304 void VideoVPEOGL::initMuxer(bool iframe)
310 sprintf(buffer,"/share/dev/muxout%d.ts",muxnumber);
312 audioconti=videoconti=0;
313 muxout=fopen(buffer,"wb");
316 Log::getInstance()->log("Video", Log::DEBUG,
317 "Create file %s with result %d",buffer,muxout);
320 void VideoVPEOGL::deinitMuxer()
327 audioconti=videoconti=0;
329 Log::getInstance()->log("Video", Log::DEBUG,
338 int VideoVPEOGL::play()
340 if (!initted) return 0;
344 // if (ioctl(fdVideo, AV_SET_VID_PLAY, 0) != 0) return 0;
348 int VideoVPEOGL::stop()
350 if (!initted) return 0;
354 // if (ioctl(fdVideo, AV_SET_VID_STOP, 0) != 0) return 0;
358 int VideoVPEOGL::reset()
360 if (!initted) return 0;
362 // if (ioctl(fdVideo, AV_SET_VID_RESET, 0x11) != 0) return 0;
366 int VideoVPEOGL::pause()
368 if (!initted) return 0;
370 // if (ioctl(fdVideo, AV_SET_VID_PAUSE, 0) != 0) return 0;
374 int VideoVPEOGL::unPause() // FIXME get rid - same as play!!
376 if (!initted) return 0;
377 // if (ioctl(fdVideo, AV_SET_VID_PLAY, 0) != 0) return 0;
381 int VideoVPEOGL::fastForward()
383 if (!initted) return 0;
385 // if (ioctl(fdVideo, AV_SET_VID_FFWD, 1) != 0) return 0;
389 int VideoVPEOGL::unFastForward()
391 if (!initted) return 0;
393 // if (ioctl(fdVideo, AV_SET_VID_RESET, 0x11) != 0) return 0; // don't need this.
395 //// if (ioctl(fdVideo, AV_SET_VID_PLAY, 0) != 0) return 0;
399 int VideoVPEOGL::attachFrameBuffer()
401 if (!initted) return 0;
403 // if (ioctl(fdVideo, AV_SET_VID_FB, 0) != 0) return 0;
407 int VideoVPEOGL::blank(void)
409 // if (ioctl(fdVideo, AV_SET_VID_FB, 1) != 0) return 0;
410 // if (ioctl(fdVideo, AV_SET_VID_FB, 0) != 0) return 0;
414 ULLONG VideoVPEOGL::getCurrentTimestamp()
416 /* sync_data_t timestamps;
417 if (ioctl(fdVideo, AV_GET_VID_TIMESTAMPS, ×tamps) == 0)
419 // FIXME are these the right way around?
421 timestamps.stc = (timestamps.stc >> 31 ) | (timestamps.stc & 1);
422 timestamps.pts = (timestamps.pts >> 31 ) | (timestamps.pts & 1);
424 return timestamps.stc;
433 ULONG VideoVPEOGL::timecodeToFrameNumber(ULLONG timecode)
435 if (format == PAL) return (ULONG)(((double)timecode / (double)90000) * (double)25);
436 else return (ULONG)(((double)timecode / (double)90000) * (double)30);
440 int VideoVPEOGL::test()
445 // return ioctl(fdVideo, AV_SET_VID_STC, &stc);
452 int VideoVPEOGL::test2()
458 void VideoVPEOGL::PrepareMediaSample(const MediaPacketList& mplist,UINT samplepos)
460 mediapacket = mplist.front();
463 UINT VideoVPEOGL::DeliverMediaSample(UCHAR* buffer, UINT* samplepos)
465 if (!muxout) return 0;
467 AudioVPE *audio=((AudioVPE*)audio->getInstance());
468 // Log::getInstance()->log("Video", Log::DEBUG, "lastpacket %d lastbuddypacket %d currentpacket %d",lastpacketnum,audio->getLastPacketNum(),mediapacket.index);
471 switch (mediapacket.type) {
472 case MPTYPE_VIDEO_MPEG2:
474 buffer[mediapacket.pos_buffer + 3]=0xe0; break;
475 case MPTYPE_VIDEO_H264:
477 buffer[mediapacket.pos_buffer + 3]=0xe0; break;
481 if (lastpacketnum!=-1 && mediapacket.index-1!=lastpacketnum && mediapacket.index-1>audio->getLastPacketNum() && mediapacket.index>audio->getCurrentPacketNum()) {
482 Log::getInstance()->log("Video", Log::DEBUG, "Packet not in order, packet num %d, lastpacketnum %d, audio lastpacketnum %d",mediapacket.index,lastpacketnum,audio->getLastPacketNum());
483 return 0; //Not in order
488 int written=fwrite(buffer + mediapacket.pos_buffer,1,mediapacket.length,muxout);*/
489 if (mediapacket.synched) WriteOutPATPMT();
491 int written=WriteOutTS(buffer + mediapacket.pos_buffer,mediapacket.length, mediapacket.type);
492 lastpacketnum=mediapacket.index;
493 //filemutex.Unlock();
494 //Log::getInstance()->log("Video", Log::DEBUG, "wrote %d bytes to mux",written);
497 if (written == (int)mediapacket.length) { *samplepos = 0; return 1;}
501 *samplepos = written;
502 // Handle a partial write. Is this possible? Should we bother? No!
508 int VideoVPEOGL::WriteOutPCR(ULLONG pts)
510 unsigned char ts_buffer[188];
511 unsigned char ts_crc[4];
513 memset(ts_buffer,0xFF,188);
516 ts_buffer[0]=0x47; //TS_SYNC
517 ts_buffer[1]=0x40; //Payload_start
519 ts_buffer[3]=0x20| conti;
521 ts_buffer[5]=0x10; //PCR!
526 unsigned char *dest=buffer;
528 unsigned int outlength=184;
529 while (tocopy>=outlength) {
531 ts_buffer[3]=0x10 | conti;
532 fwrite(ts_buffer,1,4,muxout); //Header out
534 fwrite(dest,1, outlength,muxout);
541 ts_buffer[1]=0x00; //Payload_start
544 ts_buffer[3]=0x30 | conti;//we have an adpation field
545 fwrite(ts_buffer,1,4,muxout); //Header out
546 unsigned char adaptionfield[2]={outlength-tocopy-1,0x00};
547 if (tocopy<183) fwrite(adaptionfield,1,2,muxout);
548 else fwrite(adaptionfield,1,1,muxout);
549 unsigned char paddy=0xFF;
550 if (outlength>tocopy+2) {
551 for (int i=0;i<(outlength-tocopy-2);i++) fwrite(&paddy,1,1,muxout);
553 fwrite(dest,1,tocopy,muxout);
566 int VideoVPEOGL::WriteOutTS(const unsigned char *buffer,int length, int type)
568 unsigned char ts_buffer[4];
569 unsigned char ts_crc[4];
571 ts_buffer[0]=0x47; //TS_SYNC
572 ts_buffer[1]=0x40; //Payload_start
574 case MPTYPE_VIDEO_MPEG2:
575 case MPTYPE_VIDEO_H264:
577 ts_buffer[2]=100; break;
579 case MPTYPE_MPEG_AUDIO:
581 ts_buffer[2]=101; break;
583 case MPTYPE_AC3_PRE13:
585 ts_buffer[2]=102; break;
587 return 0; break; //????
590 const unsigned char *dest=buffer;
592 unsigned int outlength=184;
593 while (tocopy>=outlength) {
595 ts_buffer[3]=0x10 | conti;
596 fwrite(ts_buffer,1,4,muxout); //Header out
598 fwrite(dest,1, outlength,muxout);
605 ts_buffer[1]=0x00; //Payload_start
608 ts_buffer[3]=0x30 | conti;//we have an adpation field
609 fwrite(ts_buffer,1,4,muxout); //Header out
610 unsigned char adaptionfield[2]={outlength-tocopy-1,0x00};
611 if (tocopy<183) fwrite(adaptionfield,1,2,muxout);
612 else fwrite(adaptionfield,1,1,muxout);
613 unsigned char paddy=0xFF;
614 if (outlength>tocopy+2) {
615 for (int i=0;i<(outlength-tocopy-2);i++) fwrite(&paddy,1,1,muxout);
617 fwrite(dest,1,tocopy,muxout);
626 case MPTYPE_VIDEO_MPEG2:
627 case MPTYPE_VIDEO_H264:
628 videoconti=conti; break;
630 case MPTYPE_MPEG_AUDIO:
632 case MPTYPE_AC3_PRE13:
640 void VideoVPEOGL::WriteOutPATPMT()
642 unsigned char ts_buffer[188];
644 memset(ts_buffer,0xFF,188);
645 ts_buffer[0]=0x47; //TS_SYNC
646 ts_buffer[1]=0x40; //Payload_start
650 ts_buffer[5]=0x00;//table id
651 ts_buffer[6]=0xB0; //Section syntax
652 ts_buffer[7]=13; //Section length
653 ts_buffer[8]=0x80;//PSID
654 ts_buffer[9]=0x08;//PSID lo
655 ts_buffer[10]=0xC1 | (patversion << 1);
656 ts_buffer[11]=0x00;//section numbrt
658 ts_buffer[13]=0x00; //hi program number
662 int crc =crc32((const char *)ts_buffer+5, 12, 0xFFFFFFFF);
664 ts_buffer[17] = crc >> 24;
665 ts_buffer[18] = crc >> 16;
666 ts_buffer[19] = crc >> 8;
671 fwrite(ts_buffer,1,188,muxout); //Header out
675 memset(ts_buffer,0xFF,188);
676 ts_buffer[0]=0x47; //TS_SYNC
677 ts_buffer[1]=0x40; //Payload_start
681 ts_buffer[5]=0x02;//table id
682 ts_buffer[6]=0xB0; //Section syntax
683 ts_buffer[7]=23; //Section length
684 ts_buffer[8]=0x00;//PSID
685 ts_buffer[9]=98;//PSID lo
686 ts_buffer[10]=0xC1 | (pmtversion << 1);
687 ts_buffer[11]=0x00;//section numbrt
689 ts_buffer[13]=0xE0 | 0x1F;
690 ts_buffer[14]=0xFF;//Video is pcr
691 ts_buffer[15]=0xF0;//dummy
692 ts_buffer[16]=0x00; //program info
697 ts_buffer[17] = 0x1B; // stream type video
701 ts_buffer[17] = 0x02; // stream type video
703 ts_buffer[18] = 0xE0; //
704 ts_buffer[19]=100; //Video pid
705 ts_buffer[20]= 0xF0; //
706 ts_buffer[21]= 0x00; //
709 unsigned char atype=((AudioVPE*)Audio::getInstance())->getLastAType();
712 case MPTYPE_MPEG_AUDIO:
713 ts_buffer[22] = 0x04; // stream type audio
714 ts_buffer[23] = 0xE0; //
715 ts_buffer[24]=101; //Audio pid
716 ts_buffer[25]= 0xF0; //
717 ts_buffer[26]= 0x00; //
720 case MPTYPE_AC3_PRE13:
721 ts_buffer[22] = 0x06; // stream type private
722 ts_buffer[23] = 0xE0; //
723 ts_buffer[24]=102; //ac3
724 ts_buffer[25]= 0xF0; //
725 ts_buffer[26]= 0x03; //
726 ts_buffer[27] = 0x6A;
727 ts_buffer[28] = 0x01; // length
728 ts_buffer[29] = 0x00;
733 crc =crc32((const char *)ts_buffer+5, 22+add_length, 0xFFFFFFFF);
734 ts_buffer[27+add_length] = crc >> 24;
735 ts_buffer[28+add_length] = crc >> 16;
736 ts_buffer[29+add_length] = crc >> 8;
737 ts_buffer[30+add_length] = crc;
741 fwrite(ts_buffer,1,188,muxout); //Header out
749 void VideoVPEOGL::ResetTimeOffsets()
753 bool VideoVPEOGL::displayIFrame(const UCHAR* buffer, UINT length)
755 //write(fdVideo, buffer, length);
756 if (!iframemode) EnterIframePlayback();
757 WriteOutTS(buffer,length, h264?MPTYPE_VIDEO_H264 :MPTYPE_VIDEO_MPEG2 );
763 int VideoVPEOGL::EnterIframePlayback()