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x11: allow unicode input
[mplayer.git] / stream / realrtsp / rmff.c
blobd85e696727e8f1ded3ca628e8508afdadf739b54
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 <libavutil/intreadwrite.h>
30
31 #include "rmff.h"
32 #include "xbuffer.h"
33 #include "mp_msg.h"
34
35 /*
36 #define LOG
37 */
38
39 static void hexdump (const char *buf, int length) {
40
41 int i;
42
43 printf ("rmff: ascii>");
44 for (i = 0; i < length; i++) {
45 unsigned char c = buf[i];
46
47 if ((c >= 32) && (c <= 128))
48 printf ("%c", c);
49 else
50 printf (".");
51 }
52 printf ("\n");
53
54 printf ("rmff: hexdump> ");
55 for (i = 0; i < length; i++) {
56 unsigned char c = buf[i];
57
58 printf ("%02x", c);
59
60 if ((i % 16) == 15)
61 printf ("\nrmff: ");
62
63 if ((i % 2) == 1)
64 printf (" ");
65
66 }
67 printf ("\n");
68 }
69
70 /*
71 * writes header data to a buffer
72 */
73
74 static int rmff_dump_fileheader(rmff_fileheader_t *fileheader, char *buffer, int bufsize) {
75
76 if (!fileheader) return 0;
77
78 if (bufsize < RMFF_FILEHEADER_SIZE)
79 return -1;
80
81 AV_WB32(buffer, fileheader->object_id);
82 AV_WB32(buffer+4, fileheader->size);
83 AV_WB16(buffer+8, fileheader->object_version);
84 AV_WB32(buffer+10, fileheader->file_version);
85 AV_WB32(buffer+14, fileheader->num_headers);
86
87 return RMFF_FILEHEADER_SIZE;
88 }
89
90 static int rmff_dump_prop(rmff_prop_t *prop, char *buffer, int bufsize) {
91
92 if (!prop) return 0;
93
94 if (bufsize < RMFF_PROPHEADER_SIZE)
95 return -1;
96
97 AV_WB32(buffer, prop->object_id);
98 AV_WB32(buffer+4, prop->size);
99 AV_WB16(buffer+8, prop->object_version);
100 AV_WB32(buffer+10, prop->max_bit_rate);
101 AV_WB32(buffer+14, prop->avg_bit_rate);
102 AV_WB32(buffer+18, prop->max_packet_size);
103 AV_WB32(buffer+22, prop->avg_packet_size);
104 AV_WB32(buffer+26, prop->num_packets);
105 AV_WB32(buffer+30, prop->duration);
106 AV_WB32(buffer+34, prop->preroll);
107 AV_WB32(buffer+38, prop->index_offset);
108 AV_WB32(buffer+42, prop->data_offset);
109 AV_WB16(buffer+46, prop->num_streams);
110 AV_WB16(buffer+48, prop->flags);
111
112 return RMFF_PROPHEADER_SIZE;
113 }
114
115 static int rmff_dump_mdpr(rmff_mdpr_t *mdpr, char *buffer, int bufsize) {
116
117 int s1, s2, s3;
118
119 if (!mdpr) return 0;
120
121 if (!(bufsize > RMFF_MDPRHEADER_SIZE + mdpr->stream_name_size + mdpr->mime_type_size &&
122 (unsigned)bufsize - RMFF_MDPRHEADER_SIZE - mdpr->stream_name_size - mdpr->mime_type_size > mdpr->type_specific_len))
123 return -1;
124
125 AV_WB32(buffer, mdpr->object_id);
126 AV_WB32(buffer+4, mdpr->size);
127 AV_WB16(buffer+8, mdpr->object_version);
128 AV_WB16(buffer+10, mdpr->stream_number);
129 AV_WB32(buffer+12, mdpr->max_bit_rate);
130 AV_WB32(buffer+16, mdpr->avg_bit_rate);
131 AV_WB32(buffer+20, mdpr->max_packet_size);
132 AV_WB32(buffer+24, mdpr->avg_packet_size);
133 AV_WB32(buffer+28, mdpr->start_time);
134 AV_WB32(buffer+32, mdpr->preroll);
135 AV_WB32(buffer+36, mdpr->duration);
136
137 buffer[40] = mdpr->stream_name_size;
138 s1=mdpr->stream_name_size;
139 memcpy(&buffer[41], mdpr->stream_name, s1);
140
141 buffer[41+s1] = mdpr->mime_type_size;
142 s2=mdpr->mime_type_size;
143 memcpy(&buffer[42+s1], mdpr->mime_type, s2);
144
145 AV_WB32(buffer+42+s1+s2, mdpr->type_specific_len);
146 s3=mdpr->type_specific_len;
147 memcpy(&buffer[46+s1+s2], mdpr->type_specific_data, s3);
148
149 return RMFF_MDPRHEADER_SIZE + s1 + s2 + s3;
150 }
151
152 static int rmff_dump_cont(rmff_cont_t *cont, char *buffer, int bufsize) {
153
154 int p;
155
156 if (!cont) return 0;
157
158 if (bufsize < RMFF_CONTHEADER_SIZE + cont->title_len + cont->author_len +
159 cont->copyright_len + cont->comment_len)
160 return -1;
161
162 AV_WB32(buffer, cont->object_id);
163 AV_WB32(buffer+4, cont->size);
164 AV_WB16(buffer+8, cont->object_version);
165
166 AV_WB16(buffer+10, cont->title_len);
167 memcpy(&buffer[12], cont->title, cont->title_len);
168 p=12+cont->title_len;
169
170 AV_WB16(buffer+p, cont->author_len);
171 memcpy(&buffer[p+2], cont->author, cont->author_len);
172 p+=2+cont->author_len;
173
174 AV_WB16(buffer+p, cont->copyright_len);
175 memcpy(&buffer[p+2], cont->copyright, cont->copyright_len);
176 p+=2+cont->copyright_len;
177
178 AV_WB16(buffer+p, cont->comment_len);
179 memcpy(&buffer[p+2], cont->comment, cont->comment_len);
180
181 return RMFF_CONTHEADER_SIZE + cont->title_len + cont->author_len +
182 cont->copyright_len + cont->comment_len;
183 }
184
185 static int rmff_dump_dataheader(rmff_data_t *data, char *buffer, int bufsize) {
186
187 if (!data) return 0;
188
189 if (bufsize < RMFF_DATAHEADER_SIZE)
190 return -1;
191
192 AV_WB32(buffer, data->object_id);
193 AV_WB32(buffer+4, data->size);
194 AV_WB16(buffer+8, data->object_version);
195 AV_WB32(buffer+10, data->num_packets);
196 AV_WB32(buffer+14, data->next_data_header);
197
198 return RMFF_DATAHEADER_SIZE;
199 }
200
201 int rmff_dump_header(rmff_header_t *h, char *buffer, int max) {
202
203 int written=0, size;
204 rmff_mdpr_t **stream=h->streams;
205
206 if ((size=rmff_dump_fileheader(h->fileheader, &buffer[written], max)) < 0)
207 goto buftoosmall;
208 written+=size;
209 max -= size;
210 if ((size=rmff_dump_prop(h->prop, &buffer[written], max)) < 0)
211 goto buftoosmall;
212 written+=size;
213 max -= size;
214 if ((size=rmff_dump_cont(h->cont, &buffer[written], max)) < 0)
215 goto buftoosmall;
216 written+=size;
217 max -= size;
218 if (stream)
219 {
220 while(*stream)
221 {
222 if ((size=rmff_dump_mdpr(*stream, &buffer[written], max)) < 0)
223 goto buftoosmall;
224 written+=size;
225 max -= size;
226 stream++;
227 }
228 }
229
230 if ((size=rmff_dump_dataheader(h->data, &buffer[written], max)) < 0)
231 goto buftoosmall;
232 written+=size;
233
234 return written;
235
236 buftoosmall:
237 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff_dumpheader: buffer too small, aborting. Please report\n");
238 return -1;
239 }
240
241 void rmff_dump_pheader(rmff_pheader_t *h, char *data) {
242
243 data[0]=(h->object_version>>8) & 0xff;
244 data[1]=h->object_version & 0xff;
245 data[2]=(h->length>>8) & 0xff;
246 data[3]=h->length & 0xff;
247 data[4]=(h->stream_number>>8) & 0xff;
248 data[5]=h->stream_number & 0xff;
249 data[6]=(h->timestamp>>24) & 0xff;
250 data[7]=(h->timestamp>>16) & 0xff;
251 data[8]=(h->timestamp>>8) & 0xff;
252 data[9]=h->timestamp & 0xff;
253 data[10]=h->reserved;
254 data[11]=h->flags;
255 }
256
257 static rmff_fileheader_t *rmff_scan_fileheader(const char *data) {
258
259 rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
260
261 fileheader->object_id=AV_RB32(data);
262 fileheader->size=AV_RB32(&data[4]);
263 fileheader->object_version=AV_RB16(&data[8]);
264 if (fileheader->object_version != 0)
265 {
266 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in .RMF: 0x%04x\n",
267 fileheader->object_version);
268 }
269 fileheader->file_version=AV_RB32(&data[10]);
270 fileheader->num_headers=AV_RB32(&data[14]);
271
272 return fileheader;
273 }
274
275 static rmff_prop_t *rmff_scan_prop(const char *data) {
276
277 rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
278
279 prop->object_id=AV_RB32(data);
280 prop->size=AV_RB32(&data[4]);
281 prop->object_version=AV_RB16(&data[8]);
282 if (prop->object_version != 0)
283 {
284 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in PROP: 0x%04x\n",
285 prop->object_version);
286 }
287 prop->max_bit_rate=AV_RB32(&data[10]);
288 prop->avg_bit_rate=AV_RB32(&data[14]);
289 prop->max_packet_size=AV_RB32(&data[18]);
290 prop->avg_packet_size=AV_RB32(&data[22]);
291 prop->num_packets=AV_RB32(&data[26]);
292 prop->duration=AV_RB32(&data[30]);
293 prop->preroll=AV_RB32(&data[34]);
294 prop->index_offset=AV_RB32(&data[38]);
295 prop->data_offset=AV_RB32(&data[42]);
296 prop->num_streams=AV_RB16(&data[46]);
297 prop->flags=AV_RB16(&data[48]);
298
299 return prop;
300 }
301
302 static rmff_mdpr_t *rmff_scan_mdpr(const char *data) {
303
304 rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
305
306 mdpr->object_id=AV_RB32(data);
307 mdpr->size=AV_RB32(&data[4]);
308 mdpr->object_version=AV_RB16(&data[8]);
309 if (mdpr->object_version != 0)
310 {
311 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in MDPR: 0x%04x\n",
312 mdpr->object_version);
313 }
314 mdpr->stream_number=AV_RB16(&data[10]);
315 mdpr->max_bit_rate=AV_RB32(&data[12]);
316 mdpr->avg_bit_rate=AV_RB32(&data[16]);
317 mdpr->max_packet_size=AV_RB32(&data[20]);
318 mdpr->avg_packet_size=AV_RB32(&data[24]);
319 mdpr->start_time=AV_RB32(&data[28]);
320 mdpr->preroll=AV_RB32(&data[32]);
321 mdpr->duration=AV_RB32(&data[36]);
322
323 mdpr->stream_name_size=data[40];
324 mdpr->stream_name=malloc(mdpr->stream_name_size+1);
325 memcpy(mdpr->stream_name, &data[41], mdpr->stream_name_size);
326 mdpr->stream_name[mdpr->stream_name_size]=0;
327
328 mdpr->mime_type_size=data[41+mdpr->stream_name_size];
329 mdpr->mime_type=malloc(mdpr->mime_type_size+1);
330 memcpy(mdpr->mime_type, &data[42+mdpr->stream_name_size], mdpr->mime_type_size);
331 mdpr->mime_type[mdpr->mime_type_size]=0;
332
333 mdpr->type_specific_len=AV_RB32(&data[42+mdpr->stream_name_size+mdpr->mime_type_size]);
334 mdpr->type_specific_data=malloc(mdpr->type_specific_len);
335 memcpy(mdpr->type_specific_data,
336 &data[46+mdpr->stream_name_size+mdpr->mime_type_size], mdpr->type_specific_len);
337
338 return mdpr;
339 }
340
341 static rmff_cont_t *rmff_scan_cont(const char *data) {
342
343 rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
344 int pos;
345
346 cont->object_id=AV_RB32(data);
347 cont->size=AV_RB32(&data[4]);
348 cont->object_version=AV_RB16(&data[8]);
349 if (cont->object_version != 0)
350 {
351 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in CONT: 0x%04x\n",
352 cont->object_version);
353 }
354 cont->title_len=AV_RB16(&data[10]);
355 cont->title=malloc(cont->title_len+1);
356 memcpy(cont->title, &data[12], cont->title_len);
357 cont->title[cont->title_len]=0;
358 pos=cont->title_len+12;
359 cont->author_len=AV_RB16(&data[pos]);
360 cont->author=malloc(cont->author_len+1);
361 memcpy(cont->author, &data[pos+2], cont->author_len);
362 cont->author[cont->author_len]=0;
363 pos=pos+2+cont->author_len;
364 cont->copyright_len=AV_RB16(&data[pos]);
365 cont->copyright=malloc(cont->copyright_len+1);
366 memcpy(cont->copyright, &data[pos+2], cont->copyright_len);
367 cont->copyright[cont->copyright_len]=0;
368 pos=pos+2+cont->copyright_len;
369 cont->comment_len=AV_RB16(&data[pos]);
370 cont->comment=malloc(cont->comment_len+1);
371 memcpy(cont->comment, &data[pos+2], cont->comment_len);
372 cont->comment[cont->comment_len]=0;
373
374 return cont;
375 }
376
377 static rmff_data_t *rmff_scan_dataheader(const char *data) {
378
379 rmff_data_t *dh=malloc(sizeof(rmff_data_t));
380
381 dh->object_id=AV_RB32(data);
382 dh->size=AV_RB32(&data[4]);
383 dh->object_version=AV_RB16(&data[8]);
384 if (dh->object_version != 0)
385 {
386 mp_msg(MSGT_STREAM, MSGL_WARN, "warning: unknown object version in DATA: 0x%04x\n",
387 dh->object_version);
388 }
389 dh->num_packets=AV_RB32(&data[10]);
390 dh->next_data_header=AV_RB32(&data[14]);
391
392 return dh;
393 }
394
395 rmff_header_t *rmff_scan_header(const char *data) {
396
397 rmff_header_t *header=malloc(sizeof(rmff_header_t));
398 rmff_mdpr_t *mdpr=NULL;
399 int chunk_size;
400 uint32_t chunk_type;
401 const char *ptr=data;
402 int i;
403
404 header->fileheader=NULL;
405 header->prop=NULL;
406 header->cont=NULL;
407 header->data=NULL;
408
409 chunk_type = AV_RB32(ptr);
410 if (chunk_type != RMF_TAG)
411 {
412 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff: not an real media file header (.RMF tag not found).\n");
413 free(header);
414 return NULL;
415 }
416 header->fileheader=rmff_scan_fileheader(ptr);
417 ptr += header->fileheader->size;
418
419 header->streams=malloc(sizeof(rmff_mdpr_t*)*(header->fileheader->num_headers));
420 for (i=0; i<header->fileheader->num_headers; i++) {
421 header->streams[i]=NULL;
422 }
423
424 for (i=1; i<header->fileheader->num_headers; i++) {
425 chunk_type = AV_RB32(ptr);
426
427 if (ptr[0] == 0)
428 {
429 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff: warning: only %d of %d header found.\n", i, header->fileheader->num_headers);
430 break;
431 }
432
433 chunk_size=1;
434 switch (chunk_type) {
435 case PROP_TAG:
436 header->prop=rmff_scan_prop(ptr);
437 chunk_size=header->prop->size;
438 break;
439 case MDPR_TAG:
440 mdpr=rmff_scan_mdpr(ptr);
441 chunk_size=mdpr->size;
442 header->streams[mdpr->stream_number]=mdpr;
443 break;
444 case CONT_TAG:
445 header->cont=rmff_scan_cont(ptr);
446 chunk_size=header->cont->size;
447 break;
448 case DATA_TAG:
449 header->data=rmff_scan_dataheader(ptr);
450 chunk_size=34; /* hard coded header size */
451 break;
452 default:
453 mp_msg(MSGT_STREAM, MSGL_WARN, "unknown chunk\n");
454 hexdump(ptr,10);
455 chunk_size=1;
456 break;
457 }
458 ptr+=chunk_size;
459 }
460
461 return header;
462 }
463
464 rmff_header_t *rmff_scan_header_stream(int fd) {
465
466 rmff_header_t *header;
467 char *buf=xbuffer_init(1024);
468 int index=0;
469 uint32_t chunk_type;
470 uint32_t chunk_size;
471
472 do {
473 buf = xbuffer_ensure_size(buf, index+8);
474 recv(fd, buf+index, 8, 0);
475 chunk_type=AV_RB32(buf+index); index+=4;
476 chunk_size=AV_RB32(buf+index); index+=4;
477
478 switch (chunk_type) {
479 case DATA_TAG:
480 chunk_size=18;
481 case MDPR_TAG:
482 case CONT_TAG:
483 case RMF_TAG:
484 case PROP_TAG:
485 buf = xbuffer_ensure_size(buf, index+chunk_size-8);
486 recv(fd, buf+index, (chunk_size-8), 0);
487 index+=(chunk_size-8);
488 break;
489 default:
490 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_scan_header_stream: unknown chunk");
491 hexdump(buf+index-8, 8);
492 chunk_type=DATA_TAG;
493 }
494 } while (chunk_type != DATA_TAG);
495
496 header = rmff_scan_header(buf);
497
498 xbuffer_free(buf);
499
500 return header;
501 }
502
503 void rmff_scan_pheader(rmff_pheader_t *h, char *data) {
504
505 h->object_version=AV_RB16(data);
506 h->length=AV_RB16(data+2);
507 h->stream_number=AV_RB16(data+4);
508 h->timestamp=AV_RB32(data+6);
509 h->reserved=(uint8_t)data[10];
510 h->flags=(uint8_t)data[11];
511 }
512
513 rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
514
515 rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
516
517 fileheader->object_id=RMF_TAG;
518 fileheader->size=18;
519 fileheader->object_version=0;
520 fileheader->file_version=0;
521 fileheader->num_headers=num_headers;
522
523 return fileheader;
524 }
525
526 rmff_prop_t *rmff_new_prop (
527 uint32_t max_bit_rate,
528 uint32_t avg_bit_rate,
529 uint32_t max_packet_size,
530 uint32_t avg_packet_size,
531 uint32_t num_packets,
532 uint32_t duration,
533 uint32_t preroll,
534 uint32_t index_offset,
535 uint32_t data_offset,
536 uint16_t num_streams,
537 uint16_t flags ) {
538
539 rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
540
541 prop->object_id=PROP_TAG;
542 prop->size=50;
543 prop->object_version=0;
544
545 prop->max_bit_rate=max_bit_rate;
546 prop->avg_bit_rate=avg_bit_rate;
547 prop->max_packet_size=max_packet_size;
548 prop->avg_packet_size=avg_packet_size;
549 prop->num_packets=num_packets;
550 prop->duration=duration;
551 prop->preroll=preroll;
552 prop->index_offset=index_offset;
553 prop->data_offset=data_offset;
554 prop->num_streams=num_streams;
555 prop->flags=flags;
556
557 return prop;
558 }
559
560 rmff_mdpr_t *rmff_new_mdpr(
561 uint16_t stream_number,
562 uint32_t max_bit_rate,
563 uint32_t avg_bit_rate,
564 uint32_t max_packet_size,
565 uint32_t avg_packet_size,
566 uint32_t start_time,
567 uint32_t preroll,
568 uint32_t duration,
569 const char *stream_name,
570 const char *mime_type,
571 uint32_t type_specific_len,
572 const char *type_specific_data ) {
573
574 rmff_mdpr_t *mdpr=calloc(sizeof(rmff_mdpr_t),1);
575
576 mdpr->object_id=MDPR_TAG;
577 mdpr->object_version=0;
578
579 mdpr->stream_number=stream_number;
580 mdpr->max_bit_rate=max_bit_rate;
581 mdpr->avg_bit_rate=avg_bit_rate;
582 mdpr->max_packet_size=max_packet_size;
583 mdpr->avg_packet_size=avg_packet_size;
584 mdpr->start_time=start_time;
585 mdpr->preroll=preroll;
586 mdpr->duration=duration;
587 mdpr->stream_name_size=0;
588 if (stream_name) {
589 mdpr->stream_name=strdup(stream_name);
590 mdpr->stream_name_size=strlen(stream_name);
591 }
592 mdpr->mime_type_size=0;
593 if (mime_type) {
594 mdpr->mime_type=strdup(mime_type);
595 mdpr->mime_type_size=strlen(mime_type);
596 }
597 mdpr->type_specific_len=type_specific_len;
598 mdpr->type_specific_data=malloc(type_specific_len);
599 memcpy(mdpr->type_specific_data,type_specific_data,type_specific_len);
600 mdpr->mlti_data=NULL;
601
602 mdpr->size=mdpr->stream_name_size+mdpr->mime_type_size+mdpr->type_specific_len+46;
603
604 return mdpr;
605 }
606
607 rmff_cont_t *rmff_new_cont(const char *title, const char *author, const char *copyright, const char *comment) {
608
609 rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
610
611 cont->object_id=CONT_TAG;
612 cont->object_version=0;
613
614 cont->title=NULL;
615 cont->author=NULL;
616 cont->copyright=NULL;
617 cont->comment=NULL;
618
619 cont->title_len=0;
620 cont->author_len=0;
621 cont->copyright_len=0;
622 cont->comment_len=0;
623
624 if (title) {
625 cont->title_len=strlen(title);
626 cont->title=strdup(title);
627 }
628 if (author) {
629 cont->author_len=strlen(author);
630 cont->author=strdup(author);
631 }
632 if (copyright) {
633 cont->copyright_len=strlen(copyright);
634 cont->copyright=strdup(copyright);
635 }
636 if (comment) {
637 cont->comment_len=strlen(comment);
638 cont->comment=strdup(comment);
639 }
640 cont->size=cont->title_len+cont->author_len+cont->copyright_len+cont->comment_len+18;
641
642 return cont;
643 }
644
645 rmff_data_t *rmff_new_dataheader(uint32_t num_packets, uint32_t next_data_header) {
646
647 rmff_data_t *data=malloc(sizeof(rmff_data_t));
648
649 data->object_id=DATA_TAG;
650 data->size=18;
651 data->object_version=0;
652 data->num_packets=num_packets;
653 data->next_data_header=next_data_header;
654
655 return data;
656 }
657
658 void rmff_print_header(rmff_header_t *h) {
659
660 rmff_mdpr_t **stream;
661
662 if(!h) {
663 printf("rmff_print_header: NULL given\n");
664 return;
665 }
666 if(h->fileheader)
667 {
668 printf("\nFILE:\n");
669 printf("file version : %d\n", h->fileheader->file_version);
670 printf("number of headers : %d\n", h->fileheader->num_headers);
671 }
672 if(h->cont)
673 {
674 printf("\nCONTENT:\n");
675 printf("title : %s\n", h->cont->title);
676 printf("author : %s\n", h->cont->author);
677 printf("copyright : %s\n", h->cont->copyright);
678 printf("comment : %s\n", h->cont->comment);
679 }
680 if(h->prop)
681 {
682 printf("\nSTREAM PROPERTIES:\n");
683 printf("bit rate (max/avg) : %i/%i\n", h->prop->max_bit_rate, h->prop->avg_bit_rate);
684 printf("packet size (max/avg) : %i/%i bytes\n", h->prop->max_packet_size, h->prop->avg_packet_size);
685 printf("packets : %i\n", h->prop->num_packets);
686 printf("duration : %i ms\n", h->prop->duration);
687 printf("pre-buffer : %i ms\n", h->prop->preroll);
688 printf("index offset : %i bytes\n", h->prop->index_offset);
689 printf("data offset : %i bytes\n", h->prop->data_offset);
690 printf("media streams : %i\n", h->prop->num_streams);
691 printf("flags : ");
692 if (h->prop->flags & PN_SAVE_ENABLED) printf("save_enabled ");
693 if (h->prop->flags & PN_PERFECT_PLAY_ENABLED) printf("perfect_play_enabled ");
694 if (h->prop->flags & PN_LIVE_BROADCAST) printf("live_broadcast ");
695 printf("\n");
696 }
697 stream=h->streams;
698 if(stream)
699 {
700 while (*stream)
701 {
702 printf("\nSTREAM %i:\n", (*stream)->stream_number);
703 printf("stream name [mime type] : %s [%s]\n", (*stream)->stream_name, (*stream)->mime_type);
704 printf("bit rate (max/avg) : %i/%i\n", (*stream)->max_bit_rate, (*stream)->avg_bit_rate);
705 printf("packet size (max/avg) : %i/%i bytes\n", (*stream)->max_packet_size, (*stream)->avg_packet_size);
706 printf("start time : %i\n", (*stream)->start_time);
707 printf("pre-buffer : %i ms\n", (*stream)->preroll);
708 printf("duration : %i ms\n", (*stream)->duration);
709 printf("type specific data:\n");
710 hexdump((*stream)->type_specific_data, (*stream)->type_specific_len);
711 stream++;
712 }
713 }
714 if(h->data)
715 {
716 printf("\nDATA:\n");
717 printf("size : %i\n", h->data->size);
718 printf("packets : %i\n", h->data->num_packets);
719 printf("next DATA : 0x%08x\n", h->data->next_data_header);
720 }
721 }
722
723 void rmff_fix_header(rmff_header_t *h) {
724
725 int num_headers=0;
726 int header_size=0;
727 rmff_mdpr_t **streams;
728 int num_streams=0;
729
730 if (!h) {
731 mp_msg(MSGT_STREAM, MSGL_ERR, "rmff_fix_header: fatal: no header given.\n");
732 return;
733 }
734
735 if (!h->streams) {
736 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no MDPR chunks\n");
737 } else
738 {
739 streams=h->streams;
740 while (*streams)
741 {
742 num_streams++;
743 num_headers++;
744 header_size+=(*streams)->size;
745 streams++;
746 }
747 }
748
749 if (h->prop) {
750 if (h->prop->size != 50)
751 {
752 #ifdef LOG
753 printf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
754 #endif
755 h->prop->size=50;
756 }
757 if (h->prop->num_streams != num_streams)
758 {
759 #ifdef LOG
760 printf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
761 #endif
762 h->prop->num_streams=num_streams;
763 }
764 num_headers++;
765 header_size+=50;
766 } else
767 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no PROP chunk.\n");
768
769 if (h->cont) {
770 num_headers++;
771 header_size+=h->cont->size;
772 } else
773 mp_msg(MSGT_STREAM, MSGL_WARN, "rmff_fix_header: warning: no CONT chunk.\n");
774
775 if (!h->data) {
776 #ifdef LOG
777 printf("rmff_fix_header: no DATA chunk, creating one\n");
778 #endif
779 h->data=malloc(sizeof(rmff_data_t));
780 h->data->object_id=DATA_TAG;
781 h->data->object_version=0;
782 h->data->size=34;
783 h->data->num_packets=0;
784 h->data->next_data_header=0;
785 }
786 num_headers++;
787
788
789 if (!h->fileheader) {
790 #ifdef LOG
791 printf("rmff_fix_header: no fileheader, creating one");
792 #endif
793 h->fileheader=malloc(sizeof(rmff_fileheader_t));
794 h->fileheader->object_id=RMF_TAG;
795 h->fileheader->size=34;
796 h->fileheader->object_version=0;
797 h->fileheader->file_version=0;
798 h->fileheader->num_headers=num_headers+1;
799 }
800 header_size+=h->fileheader->size;
801 num_headers++;
802
803 if(h->fileheader->num_headers != num_headers) {
804 #ifdef LOG
805 printf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers);
806 #endif
807 h->fileheader->num_headers=num_headers;
808 }
809
810 if(h->prop) {
811 if (h->prop->data_offset != header_size) {
812 #ifdef LOG
813 printf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size);
814 #endif
815 h->prop->data_offset=header_size;
816 }
817 if (h->prop->num_packets == 0) {
818 int p=(int)(h->prop->avg_bit_rate/8.0*(h->prop->duration/1000.0)/h->prop->avg_packet_size);
819 #ifdef LOG
820 printf("rmff_fix_header: assuming prop.num_packets=%i\n", p);
821 #endif
822 h->prop->num_packets=p;
823 }
824 if (h->data->num_packets == 0) {
825 #ifdef LOG
826 printf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets);
827 #endif
828 h->data->num_packets=h->prop->num_packets;
829 }
830
831 #ifdef LOG
832 printf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size);
833 #endif
834 h->data->size=h->prop->num_packets*h->prop->avg_packet_size;
835 }
836 }
837
838 int rmff_get_header_size(rmff_header_t *h) {
839
840 if (!h) return 0;
841 if (!h->prop) return -1;
842
843 return h->prop->data_offset+18;
844
845 }
846
847 void rmff_free_header(rmff_header_t *h) {
848
849 if (!h) return;
850
851 free(h->fileheader);
852 free(h->prop);
853 free(h->data);
854 if (h->cont)
855 {
856 free(h->cont->title);
857 free(h->cont->author);
858 free(h->cont->copyright);
859 free(h->cont->comment);
860 free(h->cont);
861 }
862 if (h->streams)
863 {
864 rmff_mdpr_t **s=h->streams;
865
866 while(*s) {
867 free((*s)->stream_name);
868 free((*s)->mime_type);
869 free((*s)->type_specific_data);
870 free(*s);
871 s++;
872 }
873 free(h->streams);
874 }
875 free(h);
876 }
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