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Replace libavutil internal header #includes with MPlayer copies
[mplayer.git] / stream / realrtsp / rmff.c
blobb98ccd93779ecdb41ec962c946c6341938a00836
1 /*
2 * This file was ported to MPlayer from xine CVS rmff.c,v 1.3 2002/12/24 01:30:22
3 */
4
5 /*
6 * Copyright (C) 2002 the xine project
7 *
8 * This file is part of xine, a free video player.
9 *
10 * xine is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * xine is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
23 *
24 *
25 * functions for real media file format
26 * adopted from joschkas real tools
27 */
28
29 #include "rmff.h"
30 #include "xbuffer.h"
31 #include "mp_msg.h"
32 #include "ffmpeg_files/intreadwrite.h"
33
34 /*
35 #define LOG
36 */
37
38 static void hexdump (const char *buf, int length) {
39
40 int i;
41
42 printf ("rmff: ascii>");
43 for (i = 0; i < length; i++) {
44 unsigned char c = buf[i];
45
46 if ((c >= 32) && (c <= 128))
47 printf ("%c", c);
48 else
49 printf (".");
50 }
51 printf ("\n");
52
53 printf ("rmff: hexdump> ");
54 for (i = 0; i < length; i++) {
55 unsigned char c = buf[i];
56
57 printf ("%02x", c);
58
59 if ((i % 16) == 15)
60 printf ("\nrmff: ");
61
62 if ((i % 2) == 1)
63 printf (" ");
64
65 }
66 printf ("\n");
67 }
68
69 /*
70 * writes header data to a buffer
71 */
72
73 static int rmff_dump_fileheader(rmff_fileheader_t *fileheader, char *buffer, int bufsize) {
74
75 if (!fileheader) return 0;
76
77 if (bufsize < RMFF_FILEHEADER_SIZE)
78 return -1;
79
80 AV_WB32(buffer, fileheader->object_id);
81 AV_WB32(buffer+4, fileheader->size);
82 AV_WB16(buffer+8, fileheader->object_version);
83 AV_WB32(buffer+10, fileheader->file_version);
84 AV_WB32(buffer+14, fileheader->num_headers);
85
86 return RMFF_FILEHEADER_SIZE;
87 }
88
89 static int rmff_dump_prop(rmff_prop_t *prop, char *buffer, int bufsize) {
90
91 if (!prop) return 0;
92
93 if (bufsize < RMFF_PROPHEADER_SIZE)
94 return -1;
95
96 AV_WB32(buffer, prop->object_id);
97 AV_WB32(buffer+4, prop->size);
98 AV_WB16(buffer+8, prop->object_version);
99 AV_WB32(buffer+10, prop->max_bit_rate);
100 AV_WB32(buffer+14, prop->avg_bit_rate);
101 AV_WB32(buffer+18, prop->max_packet_size);
102 AV_WB32(buffer+22, prop->avg_packet_size);
103 AV_WB32(buffer+26, prop->num_packets);
104 AV_WB32(buffer+30, prop->duration);
105 AV_WB32(buffer+34, prop->preroll);
106 AV_WB32(buffer+38, prop->index_offset);
107 AV_WB32(buffer+42, prop->data_offset);
108 AV_WB16(buffer+46, prop->num_streams);
109 AV_WB16(buffer+48, prop->flags);
110
111 return RMFF_PROPHEADER_SIZE;
112 }
113
114 static int rmff_dump_mdpr(rmff_mdpr_t *mdpr, char *buffer, int bufsize) {
115
116 int s1, s2, s3;
117
118 if (!mdpr) return 0;
119
120 if (!(bufsize > RMFF_MDPRHEADER_SIZE + mdpr->stream_name_size + mdpr->mime_type_size &&
121 (unsigned)bufsize - RMFF_MDPRHEADER_SIZE - mdpr->stream_name_size - mdpr->mime_type_size > mdpr->type_specific_len))
122 return -1;
123
124 AV_WB32(buffer, mdpr->object_id);
125 AV_WB32(buffer+4, mdpr->size);
126 AV_WB16(buffer+8, mdpr->object_version);
127 AV_WB16(buffer+10, mdpr->stream_number);
128 AV_WB32(buffer+12, mdpr->max_bit_rate);
129 AV_WB32(buffer+16, mdpr->avg_bit_rate);
130 AV_WB32(buffer+20, mdpr->max_packet_size);
131 AV_WB32(buffer+24, mdpr->avg_packet_size);
132 AV_WB32(buffer+28, mdpr->start_time);
133 AV_WB32(buffer+32, mdpr->preroll);
134 AV_WB32(buffer+36, mdpr->duration);
135
136 buffer[40] = mdpr->stream_name_size;
137 s1=mdpr->stream_name_size;
138 memcpy(&buffer[41], mdpr->stream_name, s1);
139
140 buffer[41+s1] = mdpr->mime_type_size;
141 s2=mdpr->mime_type_size;
142 memcpy(&buffer[42+s1], mdpr->mime_type, s2);
143
144 AV_WB32(buffer+42+s1+s2, mdpr->type_specific_len);
145 s3=mdpr->type_specific_len;
146 memcpy(&buffer[46+s1+s2], mdpr->type_specific_data, s3);
147
148 return RMFF_MDPRHEADER_SIZE + s1 + s2 + s3;
149 }
150
151 static int rmff_dump_cont(rmff_cont_t *cont, char *buffer, int bufsize) {
152
153 int p;
154
155 if (!cont) return 0;
156
157 if (bufsize < RMFF_CONTHEADER_SIZE + cont->title_len + cont->author_len +
158 cont->copyright_len + cont->comment_len)
159 return -1;
160
161 AV_WB32(buffer, cont->object_id);
162 AV_WB32(buffer+4, cont->size);
163 AV_WB16(buffer+8, cont->object_version);
164
165 AV_WB16(buffer+10, cont->title_len);
166 memcpy(&buffer[12], cont->title, cont->title_len);
167 p=12+cont->title_len;
168
169 AV_WB16(buffer+p, cont->author_len);
170 memcpy(&buffer[p+2], cont->author, cont->author_len);
171 p+=2+cont->author_len;
172
173 AV_WB16(buffer+p, cont->copyright_len);
174 memcpy(&buffer[p+2], cont->copyright, cont->copyright_len);
175 p+=2+cont->copyright_len;
176
177 AV_WB16(buffer+p, cont->comment_len);
178 memcpy(&buffer[p+2], cont->comment, cont->comment_len);
179
180 return RMFF_CONTHEADER_SIZE + cont->title_len + cont->author_len +
181 cont->copyright_len + cont->comment_len;
182 }
183
184 static int rmff_dump_dataheader(rmff_data_t *data, char *buffer, int bufsize) {
185
186 if (!data) return 0;
187
188 if (bufsize < RMFF_DATAHEADER_SIZE)
189 return -1;
190
191 AV_WB32(buffer, data->object_id);
192 AV_WB32(buffer+4, data->size);
193 AV_WB16(buffer+8, data->object_version);
194 AV_WB32(buffer+10, data->num_packets);
195 AV_WB32(buffer+14, data->next_data_header);
196
197 return RMFF_DATAHEADER_SIZE;
198 }
199
200 int rmff_dump_header(rmff_header_t *h, char *buffer, int max) {
201
202 int written=0, size;
203 rmff_mdpr_t **stream=h->streams;
204
205 if ((size=rmff_dump_fileheader(h->fileheader, &buffer[written], max)) < 0)
206 goto buftoosmall;
207 written+=size;
208 max -= size;
209 if ((size=rmff_dump_prop(h->prop, &buffer[written], max)) < 0)
210 goto buftoosmall;
211 written+=size;
212 max -= size;
213 if ((size=rmff_dump_cont(h->cont, &buffer[written], max)) < 0)
214 goto buftoosmall;
215 written+=size;
216 max -= size;
217 if (stream)
218 {
219 while(*stream)
220 {
221 if ((size=rmff_dump_mdpr(*stream, &buffer[written], max)) < 0)
222 goto buftoosmall;
223 written+=size;
224 max -= size;
225 stream++;
226 }
227 }
228
229 if ((size=rmff_dump_dataheader(h->data, &buffer[written], max)) < 0)
230 goto buftoosmall;
231 written+=size;
232
233 return written;
234
235 buftoosmall:
236 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff_dumpheader: buffer too small, aborting. Please report\n");
237 return -1;
238 }
239
240 void rmff_dump_pheader(rmff_pheader_t *h, char *data) {
241
242 data[0]=(h->object_version>>8) & 0xff;
243 data[1]=h->object_version & 0xff;
244 data[2]=(h->length>>8) & 0xff;
245 data[3]=h->length & 0xff;
246 data[4]=(h->stream_number>>8) & 0xff;
247 data[5]=h->stream_number & 0xff;
248 data[6]=(h->timestamp>>24) & 0xff;
249 data[7]=(h->timestamp>>16) & 0xff;
250 data[8]=(h->timestamp>>8) & 0xff;
251 data[9]=h->timestamp & 0xff;
252 data[10]=h->reserved;
253 data[11]=h->flags;
254 }
255
256 static rmff_fileheader_t *rmff_scan_fileheader(const char *data) {
257
258 rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
259
260 fileheader->object_id=AV_RB32(data);
261 fileheader->size=AV_RB32(&data[4]);
262 fileheader->object_version=AV_RB16(&data[8]);
263 if (fileheader->object_version != 0)
264 {
265 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in .RMF: 0x%04x\n",
266 fileheader->object_version);
267 }
268 fileheader->file_version=AV_RB32(&data[10]);
269 fileheader->num_headers=AV_RB32(&data[14]);
270
271 return fileheader;
272 }
273
274 static rmff_prop_t *rmff_scan_prop(const char *data) {
275
276 rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
277
278 prop->object_id=AV_RB32(data);
279 prop->size=AV_RB32(&data[4]);
280 prop->object_version=AV_RB16(&data[8]);
281 if (prop->object_version != 0)
282 {
283 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in PROP: 0x%04x\n",
284 prop->object_version);
285 }
286 prop->max_bit_rate=AV_RB32(&data[10]);
287 prop->avg_bit_rate=AV_RB32(&data[14]);
288 prop->max_packet_size=AV_RB32(&data[18]);
289 prop->avg_packet_size=AV_RB32(&data[22]);
290 prop->num_packets=AV_RB32(&data[26]);
291 prop->duration=AV_RB32(&data[30]);
292 prop->preroll=AV_RB32(&data[34]);
293 prop->index_offset=AV_RB32(&data[38]);
294 prop->data_offset=AV_RB32(&data[42]);
295 prop->num_streams=AV_RB16(&data[46]);
296 prop->flags=AV_RB16(&data[48]);
297
298 return prop;
299 }
300
301 static rmff_mdpr_t *rmff_scan_mdpr(const char *data) {
302
303 rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
304
305 mdpr->object_id=AV_RB32(data);
306 mdpr->size=AV_RB32(&data[4]);
307 mdpr->object_version=AV_RB16(&data[8]);
308 if (mdpr->object_version != 0)
309 {
310 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in MDPR: 0x%04x\n",
311 mdpr->object_version);
312 }
313 mdpr->stream_number=AV_RB16(&data[10]);
314 mdpr->max_bit_rate=AV_RB32(&data[12]);
315 mdpr->avg_bit_rate=AV_RB32(&data[16]);
316 mdpr->max_packet_size=AV_RB32(&data[20]);
317 mdpr->avg_packet_size=AV_RB32(&data[24]);
318 mdpr->start_time=AV_RB32(&data[28]);
319 mdpr->preroll=AV_RB32(&data[32]);
320 mdpr->duration=AV_RB32(&data[36]);
321
322 mdpr->stream_name_size=data[40];
323 mdpr->stream_name=malloc(mdpr->stream_name_size+1);
324 memcpy(mdpr->stream_name, &data[41], mdpr->stream_name_size);
325 mdpr->stream_name[mdpr->stream_name_size]=0;
326
327 mdpr->mime_type_size=data[41+mdpr->stream_name_size];
328 mdpr->mime_type=malloc(mdpr->mime_type_size+1);
329 memcpy(mdpr->mime_type, &data[42+mdpr->stream_name_size], mdpr->mime_type_size);
330 mdpr->mime_type[mdpr->mime_type_size]=0;
331
332 mdpr->type_specific_len=AV_RB32(&data[42+mdpr->stream_name_size+mdpr->mime_type_size]);
333 mdpr->type_specific_data=malloc(mdpr->type_specific_len);
334 memcpy(mdpr->type_specific_data,
335 &data[46+mdpr->stream_name_size+mdpr->mime_type_size], mdpr->type_specific_len);
336
337 return mdpr;
338 }
339
340 static rmff_cont_t *rmff_scan_cont(const char *data) {
341
342 rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
343 int pos;
344
345 cont->object_id=AV_RB32(data);
346 cont->size=AV_RB32(&data[4]);
347 cont->object_version=AV_RB16(&data[8]);
348 if (cont->object_version != 0)
349 {
350 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in CONT: 0x%04x\n",
351 cont->object_version);
352 }
353 cont->title_len=AV_RB16(&data[10]);
354 cont->title=malloc(cont->title_len+1);
355 memcpy(cont->title, &data[12], cont->title_len);
356 cont->title[cont->title_len]=0;
357 pos=cont->title_len+12;
358 cont->author_len=AV_RB16(&data[pos]);
359 cont->author=malloc(cont->author_len+1);
360 memcpy(cont->author, &data[pos+2], cont->author_len);
361 cont->author[cont->author_len]=0;
362 pos=pos+2+cont->author_len;
363 cont->copyright_len=AV_RB16(&data[pos]);
364 cont->copyright=malloc(cont->copyright_len+1);
365 memcpy(cont->copyright, &data[pos+2], cont->copyright_len);
366 cont->copyright[cont->copyright_len]=0;
367 pos=pos+2+cont->copyright_len;
368 cont->comment_len=AV_RB16(&data[pos]);
369 cont->comment=malloc(cont->comment_len+1);
370 memcpy(cont->comment, &data[pos+2], cont->comment_len);
371 cont->comment[cont->comment_len]=0;
372
373 return cont;
374 }
375
376 static rmff_data_t *rmff_scan_dataheader(const char *data) {
377
378 rmff_data_t *dh=malloc(sizeof(rmff_data_t));
379
380 dh->object_id=AV_RB32(data);
381 dh->size=AV_RB32(&data[4]);
382 dh->object_version=AV_RB16(&data[8]);
383 if (dh->object_version != 0)
384 {
385 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in DATA: 0x%04x\n",
386 dh->object_version);
387 }
388 dh->num_packets=AV_RB32(&data[10]);
389 dh->next_data_header=AV_RB32(&data[14]);
390
391 return dh;
392 }
393
394 rmff_header_t *rmff_scan_header(const char *data) {
395
396 rmff_header_t *header=malloc(sizeof(rmff_header_t));
397 rmff_mdpr_t *mdpr=NULL;
398 int chunk_size;
399 uint32_t chunk_type;
400 const char *ptr=data;
401 int i;
402
403 header->fileheader=NULL;
404 header->prop=NULL;
405 header->cont=NULL;
406 header->data=NULL;
407
408 chunk_type = AV_RB32(ptr);
409 if (chunk_type != RMF_TAG)
410 {
411 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff: not an real media file header (.RMF tag not found).\n");
412 free(header);
413 return NULL;
414 }
415 header->fileheader=rmff_scan_fileheader(ptr);
416 ptr += header->fileheader->size;
417
418 header->streams=malloc(sizeof(rmff_mdpr_t*)*(header->fileheader->num_headers));
419 for (i=0; i<header->fileheader->num_headers; i++) {
420 header->streams[i]=NULL;
421 }
422
423 for (i=1; i<header->fileheader->num_headers; i++) {
424 chunk_type = AV_RB32(ptr);
425
426 if (ptr[0] == 0)
427 {
428 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff: warning: only %d of %d header found.\n", i, header->fileheader->num_headers);
429 break;
430 }
431
432 chunk_size=1;
433 switch (chunk_type) {
434 case PROP_TAG:
435 header->prop=rmff_scan_prop(ptr);
436 chunk_size=header->prop->size;
437 break;
438 case MDPR_TAG:
439 mdpr=rmff_scan_mdpr(ptr);
440 chunk_size=mdpr->size;
441 header->streams[mdpr->stream_number]=mdpr;
442 break;
443 case CONT_TAG:
444 header->cont=rmff_scan_cont(ptr);
445 chunk_size=header->cont->size;
446 break;
447 case DATA_TAG:
448 header->data=rmff_scan_dataheader(ptr);
449 chunk_size=34; /* hard coded header size */
450 break;
451 default:
452 mp_msg(MSGT_STREAM, MSGL_WARN, "unknown chunk\n");
453 hexdump(ptr,10);
454 chunk_size=1;
455 break;
456 }
457 ptr+=chunk_size;
458 }
459
460 return header;
461 }
462
463 rmff_header_t *rmff_scan_header_stream(int fd) {
464
465 rmff_header_t *header;
466 char *buf=xbuffer_init(1024);
467 int index=0;
468 uint32_t chunk_type;
469 uint32_t chunk_size;
470
471 do {
472 buf = xbuffer_ensure_size(buf, index+8);
473 recv(fd, buf+index, 8, 0);
474 chunk_type=AV_RB32(buf+index); index+=4;
475 chunk_size=AV_RB32(buf+index); index+=4;
476
477 switch (chunk_type) {
478 case DATA_TAG:
479 chunk_size=18;
480 case MDPR_TAG:
481 case CONT_TAG:
482 case RMF_TAG:
483 case PROP_TAG:
484 buf = xbuffer_ensure_size(buf, index+chunk_size-8);
485 recv(fd, buf+index, (chunk_size-8), 0);
486 index+=(chunk_size-8);
487 break;
488 default:
489 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_scan_header_stream: unknown chunk");
490 hexdump(buf+index-8, 8);
491 chunk_type=DATA_TAG;
492 }
493 } while (chunk_type != DATA_TAG);
494
495 header = rmff_scan_header(buf);
496
497 xbuffer_free(buf);
498
499 return header;
500 }
501
502 void rmff_scan_pheader(rmff_pheader_t *h, char *data) {
503
504 h->object_version=AV_RB16(data);
505 h->length=AV_RB16(data+2);
506 h->stream_number=AV_RB16(data+4);
507 h->timestamp=AV_RB32(data+6);
508 h->reserved=(uint8_t)data[10];
509 h->flags=(uint8_t)data[11];
510 }
511
512 rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
513
514 rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
515
516 fileheader->object_id=RMF_TAG;
517 fileheader->size=18;
518 fileheader->object_version=0;
519 fileheader->file_version=0;
520 fileheader->num_headers=num_headers;
521
522 return fileheader;
523 }
524
525 rmff_prop_t *rmff_new_prop (
526 uint32_t max_bit_rate,
527 uint32_t avg_bit_rate,
528 uint32_t max_packet_size,
529 uint32_t avg_packet_size,
530 uint32_t num_packets,
531 uint32_t duration,
532 uint32_t preroll,
533 uint32_t index_offset,
534 uint32_t data_offset,
535 uint16_t num_streams,
536 uint16_t flags ) {
537
538 rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
539
540 prop->object_id=PROP_TAG;
541 prop->size=50;
542 prop->object_version=0;
543
544 prop->max_bit_rate=max_bit_rate;
545 prop->avg_bit_rate=avg_bit_rate;
546 prop->max_packet_size=max_packet_size;
547 prop->avg_packet_size=avg_packet_size;
548 prop->num_packets=num_packets;
549 prop->duration=duration;
550 prop->preroll=preroll;
551 prop->index_offset=index_offset;
552 prop->data_offset=data_offset;
553 prop->num_streams=num_streams;
554 prop->flags=flags;
555
556 return prop;
557 }
558
559 rmff_mdpr_t *rmff_new_mdpr(
560 uint16_t stream_number,
561 uint32_t max_bit_rate,
562 uint32_t avg_bit_rate,
563 uint32_t max_packet_size,
564 uint32_t avg_packet_size,
565 uint32_t start_time,
566 uint32_t preroll,
567 uint32_t duration,
568 const char *stream_name,
569 const char *mime_type,
570 uint32_t type_specific_len,
571 const char *type_specific_data ) {
572
573 rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
574
575 mdpr->object_id=MDPR_TAG;
576 mdpr->object_version=0;
577
578 mdpr->stream_number=stream_number;
579 mdpr->max_bit_rate=max_bit_rate;
580 mdpr->avg_bit_rate=avg_bit_rate;
581 mdpr->max_packet_size=max_packet_size;
582 mdpr->avg_packet_size=avg_packet_size;
583 mdpr->start_time=start_time;
584 mdpr->preroll=preroll;
585 mdpr->duration=duration;
586 mdpr->stream_name_size=0;
587 if (stream_name) {
588 mdpr->stream_name=strdup(stream_name);
589 mdpr->stream_name_size=strlen(stream_name);
590 }
591 mdpr->mime_type_size=0;
592 if (mime_type) {
593 mdpr->mime_type=strdup(mime_type);
594 mdpr->mime_type_size=strlen(mime_type);
595 }
596 mdpr->type_specific_len=type_specific_len;
597 mdpr->type_specific_data=malloc(type_specific_len);
598 memcpy(mdpr->type_specific_data,type_specific_data,type_specific_len);
599 mdpr->mlti_data=NULL;
600
601 mdpr->size=mdpr->stream_name_size+mdpr->mime_type_size+mdpr->type_specific_len+46;
602
603 return mdpr;
604 }
605
606 rmff_cont_t *rmff_new_cont(const char *title, const char *author, const char *copyright, const char *comment) {
607
608 rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
609
610 cont->object_id=CONT_TAG;
611 cont->object_version=0;
612
613 cont->title=NULL;
614 cont->author=NULL;
615 cont->copyright=NULL;
616 cont->comment=NULL;
617
618 cont->title_len=0;
619 cont->author_len=0;
620 cont->copyright_len=0;
621 cont->comment_len=0;
622
623 if (title) {
624 cont->title_len=strlen(title);
625 cont->title=strdup(title);
626 }
627 if (author) {
628 cont->author_len=strlen(author);
629 cont->author=strdup(author);
630 }
631 if (copyright) {
632 cont->copyright_len=strlen(copyright);
633 cont->copyright=strdup(copyright);
634 }
635 if (comment) {
636 cont->comment_len=strlen(comment);
637 cont->comment=strdup(comment);
638 }
639 cont->size=cont->title_len+cont->author_len+cont->copyright_len+cont->comment_len+18;
640
641 return cont;
642 }
643
644 rmff_data_t *rmff_new_dataheader(uint32_t num_packets, uint32_t next_data_header) {
645
646 rmff_data_t *data=malloc(sizeof(rmff_data_t));
647
648 data->object_id=DATA_TAG;
649 data->size=18;
650 data->object_version=0;
651 data->num_packets=num_packets;
652 data->next_data_header=next_data_header;
653
654 return data;
655 }
656
657 void rmff_print_header(rmff_header_t *h) {
658
659 rmff_mdpr_t **stream;
660
661 if(!h) {
662 printf("rmff_print_header: NULL given\n");
663 return;
664 }
665 if(h->fileheader)
666 {
667 printf("\nFILE:\n");
668 printf("file version : %d\n", h->fileheader->file_version);
669 printf("number of headers : %d\n", h->fileheader->num_headers);
670 }
671 if(h->cont)
672 {
673 printf("\nCONTENT:\n");
674 printf("title : %s\n", h->cont->title);
675 printf("author : %s\n", h->cont->author);
676 printf("copyright : %s\n", h->cont->copyright);
677 printf("comment : %s\n", h->cont->comment);
678 }
679 if(h->prop)
680 {
681 printf("\nSTREAM PROPERTIES:\n");
682 printf("bit rate (max/avg) : %i/%i\n", h->prop->max_bit_rate, h->prop->avg_bit_rate);
683 printf("packet size (max/avg) : %i/%i bytes\n", h->prop->max_packet_size, h->prop->avg_packet_size);
684 printf("packets : %i\n", h->prop->num_packets);
685 printf("duration : %i ms\n", h->prop->duration);
686 printf("pre-buffer : %i ms\n", h->prop->preroll);
687 printf("index offset : %i bytes\n", h->prop->index_offset);
688 printf("data offset : %i bytes\n", h->prop->data_offset);
689 printf("media streams : %i\n", h->prop->num_streams);
690 printf("flags : ");
691 if (h->prop->flags & PN_SAVE_ENABLED) printf("save_enabled ");
692 if (h->prop->flags & PN_PERFECT_PLAY_ENABLED) printf("perfect_play_enabled ");
693 if (h->prop->flags & PN_LIVE_BROADCAST) printf("live_broadcast ");
694 printf("\n");
695 }
696 stream=h->streams;
697 if(stream)
698 {
699 while (*stream)
700 {
701 printf("\nSTREAM %i:\n", (*stream)->stream_number);
702 printf("stream name [mime type] : %s [%s]\n", (*stream)->stream_name, (*stream)->mime_type);
703 printf("bit rate (max/avg) : %i/%i\n", (*stream)->max_bit_rate, (*stream)->avg_bit_rate);
704 printf("packet size (max/avg) : %i/%i bytes\n", (*stream)->max_packet_size, (*stream)->avg_packet_size);
705 printf("start time : %i\n", (*stream)->start_time);
706 printf("pre-buffer : %i ms\n", (*stream)->preroll);
707 printf("duration : %i ms\n", (*stream)->duration);
708 printf("type specific data:\n");
709 hexdump((*stream)->type_specific_data, (*stream)->type_specific_len);
710 stream++;
711 }
712 }
713 if(h->data)
714 {
715 printf("\nDATA:\n");
716 printf("size : %i\n", h->data->size);
717 printf("packets : %i\n", h->data->num_packets);
718 printf("next DATA : 0x%08x\n", h->data->next_data_header);
719 }
720 }
721
722 void rmff_fix_header(rmff_header_t *h) {
723
724 int num_headers=0;
725 int header_size=0;
726 rmff_mdpr_t **streams;
727 int num_streams=0;
728
729 if (!h) {
730 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff_fix_header: fatal: no header given.\n");
731 return;
732 }
733
734 if (!h->streams) {
735 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no MDPR chunks\n");
736 } else
737 {
738 streams=h->streams;
739 while (*streams)
740 {
741 num_streams++;
742 num_headers++;
743 header_size+=(*streams)->size;
744 streams++;
745 }
746 }
747
748 if (h->prop) {
749 if (h->prop->size != 50)
750 {
751 #ifdef LOG
752 printf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
753 #endif
754 h->prop->size=50;
755 }
756 if (h->prop->num_streams != num_streams)
757 {
758 #ifdef LOG
759 printf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
760 #endif
761 h->prop->num_streams=num_streams;
762 }
763 num_headers++;
764 header_size+=50;
765 } else
766 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no PROP chunk.\n");
767
768 if (h->cont) {
769 num_headers++;
770 header_size+=h->cont->size;
771 } else
772 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no CONT chunk.\n");
773
774 if (!h->data) {
775 #ifdef LOG
776 printf("rmff_fix_header: no DATA chunk, creating one\n");
777 #endif
778 h->data=malloc(sizeof(rmff_data_t));
779 h->data->object_id=DATA_TAG;
780 h->data->object_version=0;
781 h->data->size=34;
782 h->data->num_packets=0;
783 h->data->next_data_header=0;
784 }
785 num_headers++;
786
787
788 if (!h->fileheader) {
789 #ifdef LOG
790 printf("rmff_fix_header: no fileheader, creating one");
791 #endif
792 h->fileheader=malloc(sizeof(rmff_fileheader_t));
793 h->fileheader->object_id=RMF_TAG;
794 h->fileheader->size=34;
795 h->fileheader->object_version=0;
796 h->fileheader->file_version=0;
797 h->fileheader->num_headers=num_headers+1;
798 }
799 header_size+=h->fileheader->size;
800 num_headers++;
801
802 if(h->fileheader->num_headers != num_headers) {
803 #ifdef LOG
804 printf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers);
805 #endif
806 h->fileheader->num_headers=num_headers;
807 }
808
809 if(h->prop) {
810 if (h->prop->data_offset != header_size) {
811 #ifdef LOG
812 printf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size);
813 #endif
814 h->prop->data_offset=header_size;
815 }
816 if (h->prop->num_packets == 0) {
817 int p=(int)(h->prop->avg_bit_rate/8.0*(h->prop->duration/1000.0)/h->prop->avg_packet_size);
818 #ifdef LOG
819 printf("rmff_fix_header: assuming prop.num_packets=%i\n", p);
820 #endif
821 h->prop->num_packets=p;
822 }
823 if (h->data->num_packets == 0) {
824 #ifdef LOG
825 printf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets);
826 #endif
827 h->data->num_packets=h->prop->num_packets;
828 }
829
830 #ifdef LOG
831 printf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size);
832 #endif
833 h->data->size=h->prop->num_packets*h->prop->avg_packet_size;
834 }
835 }
836
837 int rmff_get_header_size(rmff_header_t *h) {
838
839 if (!h) return 0;
840 if (!h->prop) return -1;
841
842 return h->prop->data_offset+18;
843
844 }
845
846 void rmff_free_header(rmff_header_t *h) {
847
848 if (!h) return;
849
850 if (h->fileheader) free(h->fileheader);
851 if (h->prop) free(h->prop);
852 if (h->data) free(h->data);
853 if (h->cont)
854 {
855 free(h->cont->title);
856 free(h->cont->author);
857 free(h->cont->copyright);
858 free(h->cont->comment);
859 free(h->cont);
860 }
861 if (h->streams)
862 {
863 rmff_mdpr_t **s=h->streams;
864
865 while(*s) {
866 free((*s)->stream_name);
867 free((*s)->mime_type);
868 free((*s)->type_specific_data);
869 free(*s);
870 s++;
871 }
872 free(h->streams);
873 }
874 free(h);
875 }
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