mp_msg: Remove uses of MSGT_MENCODER
[mplayer/glamo.git] / libmpdemux / aviheader.c
blob27d2fd5fdbcdba97f6a726c3f1b23c0fdbf17e0f
1 /*
2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <unistd.h>
22 #include <errno.h>
24 #include "config.h"
25 #include "mp_msg.h"
27 #include "stream/stream.h"
28 #include "demuxer.h"
29 #include "stheader.h"
30 #include "aviprint.h"
31 #include "aviheader.h"
32 #include "libavutil/common.h"
34 static MainAVIHeader avih;
36 static int odml_get_vstream_id(int id, unsigned char res[])
38 if ((char)(id >> 16) == 'd') {
39 if (res) {
40 res[0] = id;
41 res[1] = id >> 8;
43 return 1;
45 return 0;
48 static int avi_idx_cmp(const void *elem1, const void *elem2)
50 register off_t a = AVI_IDX_OFFSET((AVIINDEXENTRY *)elem1);
51 register off_t b = AVI_IDX_OFFSET((AVIINDEXENTRY *)elem2);
52 return (a > b) - (b > a);
55 void read_avi_header(demuxer_t *demuxer,int index_mode){
56 sh_audio_t *sh_audio=NULL;
57 sh_video_t *sh_video=NULL;
58 int stream_id=-1;
59 int idxfix_videostream=0;
60 int idxfix_divx=0;
61 avi_priv_t* priv=demuxer->priv;
62 off_t list_end=0;
64 //---- AVI header:
65 priv->idx_size=0;
66 priv->audio_streams=0;
67 while(1){
68 int id=stream_read_dword_le(demuxer->stream);
69 unsigned chunksize,size2;
70 static int last_fccType=0;
71 static int last_fccHandler=0;
72 char* hdr=NULL;
74 if(stream_eof(demuxer->stream)) break;
75 // Imply -forceidx if -saveidx is specified
76 if (index_file_save)
77 index_mode = 2;
79 if(id==mmioFOURCC('L','I','S','T')){
80 unsigned len=stream_read_dword_le(demuxer->stream); // list size
81 id=stream_read_dword_le(demuxer->stream); // list type
82 mp_msg(MSGT_HEADER,MSGL_DBG2,"LIST %.4s len=%u\n",(char *) &id,len);
83 if(len >= 4) {
84 len -= 4;
85 list_end=stream_tell(demuxer->stream)+((len+1)&(~1));
86 } else {
87 mp_tmsg(MSGT_HEADER,MSGL_WARN,"** empty list?!\n");
88 list_end = 0;
90 mp_msg(MSGT_HEADER,MSGL_V,"list_end=0x%X\n",(int)list_end);
91 if(id==listtypeAVIMOVIE){
92 // found MOVI header
93 if(!demuxer->movi_start) demuxer->movi_start=stream_tell(demuxer->stream);
94 demuxer->movi_end=stream_tell(demuxer->stream)+len;
95 mp_tmsg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",(int)demuxer->movi_start,(int)demuxer->movi_end);
96 if(demuxer->stream->end_pos>demuxer->movi_end) demuxer->movi_end=demuxer->stream->end_pos;
97 if(index_mode==-2 || index_mode==2 || index_mode==0)
98 break; // reading from non-seekable source (stdin) or forced index or no index forced
99 if(list_end>0) stream_seek(demuxer->stream,list_end); // skip movi
100 list_end=0;
102 continue;
104 size2=stream_read_dword_le(demuxer->stream);
105 mp_msg(MSGT_HEADER,MSGL_DBG2,"CHUNK %.4s len=%u\n",(char *) &id,size2);
106 chunksize=(size2+1)&(~1);
107 switch(id){
109 // Indicates where the subject of the file is archived
110 case mmioFOURCC('I','A','R','L'): hdr="Archival Location";break;
111 // Lists the artist of the original subject of the file;
112 // for example, "Michaelangelo."
113 case mmioFOURCC('I','A','R','T'): hdr="Artist";break;
114 // Lists the name of the person or organization that commissioned
115 // the subject of the file; for example "Pope Julian II."
116 case mmioFOURCC('I','C','M','S'): hdr="Commissioned";break;
117 // Provides general comments about the file or the subject
118 // of the file. If the comment is several sentences long, end each
119 // sentence with a period. Do not include new-line characters.
120 case mmioFOURCC('I','C','M','T'): hdr="Comments";break;
121 // Records the copyright information for the file; for example,
122 // "Copyright Encyclopedia International 1991." If there are multiple
123 // copyrights, separate them by semicolon followed by a space.
124 case mmioFOURCC('I','C','O','P'): hdr="Copyright";break;
125 // Describes whether an image has been cropped and, if so, how it
126 // was cropped; for example, "lower-right corner."
127 case mmioFOURCC('I','C','R','D'): hdr="Creation Date";break;
128 // Describes whether an image has been cropped and, if so, how it
129 // was cropped; for example, "lower-right corner."
130 case mmioFOURCC('I','C','R','P'): hdr="Cropped";break;
131 // Specifies the size of the original subject of the file; for
132 // example, "8.5 in h, 11 in w."
133 case mmioFOURCC('I','D','I','M'): hdr="Dimensions";break;
134 // Stores dots per inch setting of the digitizer used to
135 // produce the file, such as "300."
136 case mmioFOURCC('I','D','P','I'): hdr="Dots Per Inch";break;
137 // Stores the of the engineer who worked on the file. If there are
138 // multiple engineers, separate the names by a semicolon and a blank;
139 // for example, "Smith, John; Adams, Joe."
140 case mmioFOURCC('I','E','N','G'): hdr="Engineer";break;
141 // Describes the original work, such as "landscape,", "portrait,"
142 // "still liefe," etc.
143 case mmioFOURCC('I','G','N','R'): hdr="Genre";break;
144 // Provides a list of keywords that refer to the file or subject of the
145 // file. Separate multiple keywords with a semicolon and a blank;
146 // for example, "Seattle, aerial view; scenery."
147 case mmioFOURCC('I','K','E','Y'): hdr="Keywords";break;
148 // ILGT - Describes the changes in the lightness settings on the digitizer
149 // required to produce the file. Note that the format of this information
150 // depends on the hardware used.
151 case mmioFOURCC('I','L','G','T'): hdr="Lightness";break;
152 // IMED - Decribes the original subject of the file, such as
153 // "computer image," "drawing," "lithograph," and so on.
154 case mmioFOURCC('I','M','E','D'): hdr="Medium";break;
155 // INAM - Stores the title of the subject of the file, such as
156 // "Seattle from Above."
157 case mmioFOURCC('I','N','A','M'): hdr="Title";break;
158 // IPLT - Specifies the number of colors requested when digitizing
159 // an image, such as "256."
160 case mmioFOURCC('I','P','L','T'): hdr="Palette Setting";break;
161 // IPRD - Specifies the name of title the file was originally intended
162 // for, such as "Encyclopedia of Pacific Northwest Geography."
163 case mmioFOURCC('I','P','R','D'): hdr="Product";break;
164 // ISBJ - Decsribes the contents of the file, such as
165 // "Aerial view of Seattle."
166 case mmioFOURCC('I','S','B','J'): hdr="Subject";break;
167 // ISFT - Identifies the name of the software packages used to create the
168 // file, such as "Microsoft WaveEdit"
169 case mmioFOURCC('I','S','F','T'): hdr="Software";break;
170 // ISHP - Identifies the change in sharpness for the digitizer
171 // required to produce the file (the format depends on the hardware used).
172 case mmioFOURCC('I','S','H','P'): hdr="Sharpness";break;
173 // ISRC - Identifies the name of the person or organization who
174 // supplied the original subject of the file; for example, "Try Research."
175 case mmioFOURCC('I','S','R','C'): hdr="Source";break;
176 // ISRF - Identifies the original form of the material that was digitized,
177 // such as "slide," "paper," "map," and so on. This is not necessarily
178 // the same as IMED
179 case mmioFOURCC('I','S','R','F'): hdr="Source Form";break;
180 // ITCH - Identifies the technician who digitized the subject file;
181 // for example, "Smith, John."
182 case mmioFOURCC('I','T','C','H'): hdr="Technician";break;
183 case mmioFOURCC('I','S','M','P'): hdr="Time Code";break;
184 case mmioFOURCC('I','D','I','T'): hdr="Digitization Time";break;
186 case ckidAVIMAINHDR: // read 'avih'
187 stream_read(demuxer->stream,(char*) &avih,FFMIN(size2,sizeof(avih)));
188 le2me_MainAVIHeader(&avih); // swap to machine endian
189 chunksize-=FFMIN(size2,sizeof(avih));
190 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_avih(&avih,MSGL_V); // else print_avih_flags(&avih,MSGL_V);
191 break;
192 case ckidSTREAMHEADER: { // read 'strh'
193 AVIStreamHeader h;
194 stream_read(demuxer->stream,(char*) &h,FFMIN(size2,sizeof(h)));
195 le2me_AVIStreamHeader(&h); // swap to machine endian
196 chunksize-=FFMIN(size2,sizeof(h));
197 ++stream_id;
198 if(h.fccType==streamtypeVIDEO){
199 sh_video=new_sh_video(demuxer,stream_id);
200 mp_tmsg(MSGT_DEMUX, MSGL_INFO, "[%s] Video stream found, -vid %d\n", "aviheader", stream_id);
201 memcpy(&sh_video->video,&h,sizeof(h));
202 sh_video->stream_delay = (float)sh_video->video.dwStart * sh_video->video.dwScale/sh_video->video.dwRate;
203 } else
204 if(h.fccType==streamtypeAUDIO){
205 sh_audio=new_sh_audio(demuxer,stream_id);
206 mp_tmsg(MSGT_DEMUX, MSGL_INFO, "[%s] Audio stream found, -aid %d\n", "aviheader", stream_id);
207 memcpy(&sh_audio->audio,&h,sizeof(h));
208 sh_audio->stream_delay = (float)sh_audio->audio.dwStart * sh_audio->audio.dwScale/sh_audio->audio.dwRate;
209 sh_audio->needs_parsing = 1;
211 last_fccType=h.fccType;
212 last_fccHandler=h.fccHandler;
213 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_strh(&h,MSGL_V);
214 break; }
215 case mmioFOURCC('i', 'n', 'd', 'x'): {
216 uint32_t i;
217 avisuperindex_chunk *s;
219 if(!index_mode) break;
221 if(chunksize<=24){
222 break;
224 priv->suidx_size++;
225 priv->suidx = realloc_struct(priv->suidx, priv->suidx_size, sizeof (avisuperindex_chunk));
226 s = &priv->suidx[priv->suidx_size-1];
228 chunksize-=24;
229 memcpy(s->fcc, "indx", 4);
230 s->dwSize = size2;
231 s->wLongsPerEntry = stream_read_word_le(demuxer->stream);
232 s->bIndexSubType = stream_read_char(demuxer->stream);
233 s->bIndexType = stream_read_char(demuxer->stream);
234 s->nEntriesInUse = stream_read_dword_le(demuxer->stream);
235 *(uint32_t *)s->dwChunkId = stream_read_dword_le(demuxer->stream);
236 stream_read(demuxer->stream, (char *)s->dwReserved, 3*4);
237 memset(s->dwReserved, 0, 3*4);
239 print_avisuperindex_chunk(s,MSGL_V);
241 // Check and fix this useless crap
242 if(s->wLongsPerEntry != sizeof (avisuperindex_entry)/4) {
243 mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk size: %u\n",s->wLongsPerEntry);
244 s->wLongsPerEntry = sizeof(avisuperindex_entry)/4;
246 if( ((chunksize/4)/s->wLongsPerEntry) < s->nEntriesInUse){
247 mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk\n");
248 s->nEntriesInUse = (chunksize/4)/s->wLongsPerEntry;
251 s->aIndex = calloc(s->nEntriesInUse, sizeof (avisuperindex_entry));
252 s->stdidx = calloc(s->nEntriesInUse, sizeof (avistdindex_chunk));
254 // now the real index of indices
255 for (i=0; i<s->nEntriesInUse; i++) {
256 chunksize-=16;
257 s->aIndex[i].qwOffset = stream_read_qword_le(demuxer->stream);
258 s->aIndex[i].dwSize = stream_read_dword_le(demuxer->stream);
259 s->aIndex[i].dwDuration = stream_read_dword_le(demuxer->stream);
260 mp_msg (MSGT_HEADER, MSGL_V, "ODML (%.4s): [%d] 0x%016"PRIx64" 0x%04x %u\n",
261 (s->dwChunkId), i,
262 (uint64_t)s->aIndex[i].qwOffset, s->aIndex[i].dwSize, s->aIndex[i].dwDuration);
265 break; }
266 case ckidSTREAMFORMAT: { // read 'strf'
267 if(last_fccType==streamtypeVIDEO){
268 sh_video->bih=calloc(FFMAX(chunksize, sizeof(*sh_video->bih)), 1);
269 // sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
270 mp_tmsg(MSGT_HEADER,MSGL_V,"Found 'bih', %u bytes of %d\n",chunksize,sizeof(*sh_video->bih));
271 stream_read(demuxer->stream,(char*) sh_video->bih,chunksize);
272 le2me_BITMAPINFOHEADER(sh_video->bih); // swap to machine endian
273 if (sh_video->bih->biSize > chunksize && sh_video->bih->biSize > sizeof(*sh_video->bih))
274 sh_video->bih->biSize = chunksize;
275 // fixup MS-RLE header (seems to be broken for <256 color files)
276 if(sh_video->bih->biCompression<=1 && sh_video->bih->biSize==40)
277 sh_video->bih->biSize=chunksize;
278 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih,MSGL_V);
279 chunksize=0;
280 sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale;
281 sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate;
282 sh_video->format = sh_video->bih->biCompression;
283 // if(demuxer->video->id==-1) demuxer->video->id=stream_id;
284 // IdxFix:
285 idxfix_videostream=stream_id;
286 switch(sh_video->bih->biCompression){
287 case mmioFOURCC('M', 'P', 'G', '4'):
288 case mmioFOURCC('m', 'p', 'g', '4'):
289 case mmioFOURCC('D', 'I', 'V', '1'):
290 idxfix_divx=3; // set index recovery mpeg4 flavour: msmpeg4v1
291 mp_tmsg(MSGT_HEADER,MSGL_V,"Regenerating keyframe table for M$ mpg4v1 video.\n");
292 break;
293 case mmioFOURCC('D', 'I', 'V', '3'):
294 case mmioFOURCC('d', 'i', 'v', '3'):
295 case mmioFOURCC('D', 'I', 'V', '4'):
296 case mmioFOURCC('d', 'i', 'v', '4'):
297 case mmioFOURCC('D', 'I', 'V', '5'):
298 case mmioFOURCC('d', 'i', 'v', '5'):
299 case mmioFOURCC('D', 'I', 'V', '6'):
300 case mmioFOURCC('d', 'i', 'v', '6'):
301 case mmioFOURCC('M', 'P', '4', '3'):
302 case mmioFOURCC('m', 'p', '4', '3'):
303 case mmioFOURCC('M', 'P', '4', '2'):
304 case mmioFOURCC('m', 'p', '4', '2'):
305 case mmioFOURCC('D', 'I', 'V', '2'):
306 case mmioFOURCC('A', 'P', '4', '1'):
307 idxfix_divx=1; // set index recovery mpeg4 flavour: msmpeg4v3
308 mp_tmsg(MSGT_HEADER,MSGL_V,"Regenerating keyframe table for DIVX3 video.\n");
309 break;
310 case mmioFOURCC('D', 'I', 'V', 'X'):
311 case mmioFOURCC('d', 'i', 'v', 'x'):
312 case mmioFOURCC('D', 'X', '5', '0'):
313 case mmioFOURCC('X', 'V', 'I', 'D'):
314 case mmioFOURCC('x', 'v', 'i', 'd'):
315 case mmioFOURCC('F', 'M', 'P', '4'):
316 case mmioFOURCC('f', 'm', 'p', '4'):
317 idxfix_divx=2; // set index recovery mpeg4 flavour: generic mpeg4
318 mp_tmsg(MSGT_HEADER,MSGL_V,"Regenerating keyframe table for MPEG-4 video.\n");
319 break;
321 } else
322 if(last_fccType==streamtypeAUDIO){
323 unsigned wf_size = chunksize<sizeof(*sh_audio->wf)?sizeof(*sh_audio->wf):chunksize;
324 sh_audio->wf=calloc(wf_size,1);
325 // sh_audio->wf=malloc(chunksize); memset(sh_audio->wf,0,chunksize);
326 mp_tmsg(MSGT_HEADER,MSGL_V,"Found 'wf', %d bytes of %d\n",chunksize,sizeof(*sh_audio->wf));
327 stream_read(demuxer->stream,(char*) sh_audio->wf,chunksize);
328 le2me_WAVEFORMATEX(sh_audio->wf);
329 if (sh_audio->wf->cbSize != 0 &&
330 wf_size < sizeof(*sh_audio->wf)+sh_audio->wf->cbSize) {
331 sh_audio->wf=realloc(sh_audio->wf, sizeof(*sh_audio->wf)+sh_audio->wf->cbSize);
333 sh_audio->format=sh_audio->wf->wFormatTag;
334 if (sh_audio->wf->wFormatTag == 0xfffe && sh_audio->wf->cbSize >= 22)
335 sh_audio->format = le2me_16(((WAVEFORMATEXTENSIBLE *)sh_audio->wf)->SubFormat);
336 if (sh_audio->format == 1 &&
337 last_fccHandler == mmioFOURCC('A', 'x', 'a', 'n'))
338 sh_audio->format = last_fccHandler;
339 sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
340 chunksize=0;
341 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf,MSGL_V);
342 ++priv->audio_streams;
343 // if(demuxer->audio->id==-1) demuxer->audio->id=stream_id;
345 break;
347 case mmioFOURCC('v', 'p', 'r', 'p'): {
348 VideoPropHeader *vprp = malloc(chunksize);
349 unsigned int i;
350 stream_read(demuxer->stream, (void*)vprp, chunksize);
351 le2me_VideoPropHeader(vprp);
352 chunksize -= sizeof(*vprp)-sizeof(vprp->FieldInfo);
353 chunksize /= sizeof(VIDEO_FIELD_DESC);
354 if (vprp->nbFieldPerFrame > chunksize) {
355 vprp->nbFieldPerFrame = chunksize;
357 chunksize = 0;
358 for (i=0; i<vprp->nbFieldPerFrame; i++) {
359 le2me_VIDEO_FIELD_DESC(&vprp->FieldInfo[i]);
361 if (sh_video) {
362 sh_video->aspect = GET_AVI_ASPECT(vprp->dwFrameAspectRatio);
364 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_vprp(vprp,MSGL_V);
365 free(vprp);
366 break;
368 case mmioFOURCC('d', 'm', 'l', 'h'): {
369 // dmlh 00 00 00 04 frms
370 unsigned int total_frames = stream_read_dword_le(demuxer->stream);
371 mp_tmsg(MSGT_HEADER,MSGL_V,"AVI: dmlh found (size=%d) (total_frames=%d)\n", chunksize, total_frames);
372 stream_skip(demuxer->stream, chunksize-4);
373 chunksize = 0;
375 break;
376 case ckidAVINEWINDEX:
377 if(demuxer->movi_end>stream_tell(demuxer->stream))
378 demuxer->movi_end=stream_tell(demuxer->stream); // fixup movi-end
379 if(index_mode && !priv->isodml){
380 int read;
381 int i;
382 priv->idx_size=size2>>4;
383 mp_tmsg(MSGT_HEADER,MSGL_V,"Reading INDEX block, %d chunks for %d frames (fpos=%"PRId64").\n",
384 priv->idx_size,avih.dwTotalFrames, (int64_t)stream_tell(demuxer->stream));
385 priv->idx=malloc(priv->idx_size<<4);
386 // printf("\nindex to %p !!!!! (priv=%p)\n",priv->idx,priv);
387 read = stream_read(demuxer->stream,(char*)priv->idx,priv->idx_size<<4);
388 priv->idx_size = FFMAX(read, 0) >> 4;
389 for (i = 0; i < priv->idx_size; i++) { // swap index to machine endian
390 AVIINDEXENTRY *entry=(AVIINDEXENTRY*)priv->idx + i;
391 le2me_AVIINDEXENTRY(entry);
393 * We (ab)use the upper word for bits 32-47 of the offset, so
394 * we'll clear them here.
395 * FIXME: AFAIK no codec uses them, but if one does it will break
397 entry->dwFlags&=0xffff;
399 chunksize-=priv->idx_size<<4;
400 if( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx,priv->idx_size,MSGL_DBG2);
402 break;
403 /* added May 2002 */
404 case mmioFOURCC('R','I','F','F'): {
405 char riff_type[4];
407 mp_tmsg(MSGT_HEADER, MSGL_V, "Additional RIFF header...\n");
408 stream_read(demuxer->stream, riff_type, sizeof riff_type);
409 if (strncmp(riff_type, "AVIX", sizeof riff_type))
410 mp_tmsg(MSGT_HEADER, MSGL_WARN, "** Warning: this is no extended AVI header..\n");
411 else {
413 * We got an extended AVI header, so we need to switch to
414 * ODML to get seeking to work, provided we got indx chunks
415 * in the header (suidx_size > 0).
417 if (priv->suidx_size > 0)
418 priv->isodml = 1;
420 chunksize = 0;
421 list_end = 0; /* a new list will follow */
422 break; }
423 case ckidAVIPADDING:
424 stream_skip(demuxer->stream, chunksize);
425 chunksize = 0;
426 break;
428 if(hdr){
429 mp_msg(MSGT_HEADER,MSGL_V,"hdr=%s size=%u\n",hdr,size2);
430 if(size2==3)
431 chunksize=1; // empty
432 else {
433 char buf[256];
434 int len=(size2<250)?size2:250;
435 stream_read(demuxer->stream,buf,len);
436 chunksize-=len;
437 buf[len]=0;
438 mp_msg(MSGT_HEADER,MSGL_V,"%-10s: %s\n",hdr,buf);
439 demux_info_add(demuxer, hdr, buf);
442 mp_msg(MSGT_HEADER,MSGL_DBG2,"list_end=0x%"PRIX64" pos=0x%"PRIX64" chunksize=0x%"PRIX64" next=0x%"PRIX64"\n",
443 (int64_t)list_end, (int64_t)stream_tell(demuxer->stream),
444 (int64_t)chunksize, (int64_t)chunksize+(int64_t)stream_tell(demuxer->stream));
445 if(list_end>0 &&
446 chunksize+stream_tell(demuxer->stream) == list_end) list_end=0;
447 if(list_end>0 && chunksize+stream_tell(demuxer->stream)>list_end){
448 mp_tmsg(MSGT_HEADER,MSGL_V,"Broken chunk? chunksize=%d (id=%.4s)\n",chunksize,(char *) &id);
449 stream_seek(demuxer->stream,list_end);
450 list_end=0;
451 } else
452 if(chunksize>0) stream_skip(demuxer->stream,chunksize); else
453 if((int)chunksize<0) mp_msg(MSGT_HEADER,MSGL_WARN,"chunksize=%u (id=%.4s)\n",chunksize,(char *) &id);
457 if (priv->suidx_size > 0 && priv->idx_size == 0) {
459 * No NEWAVIINDEX, but we got an OpenDML index.
461 priv->isodml = 1;
464 if (priv->isodml && (index_mode==-1 || index_mode==0 || index_mode==1)) {
465 int i, j, k;
467 avisuperindex_chunk *cx;
468 AVIINDEXENTRY *idx;
471 if (priv->idx_size) free(priv->idx);
472 priv->idx_size = 0;
473 priv->idx_offset = 0;
474 priv->idx = NULL;
476 mp_tmsg(MSGT_HEADER, MSGL_INFO, "AVI: ODML: Building ODML index (%d superindexchunks).\n", priv->suidx_size);
478 // read the standard indices
479 for (cx = &priv->suidx[0], i=0; i<priv->suidx_size; cx++, i++) {
480 stream_reset(demuxer->stream);
481 for (j=0; j<cx->nEntriesInUse; j++) {
482 int ret1, ret2;
483 memset(&cx->stdidx[j], 0, 32);
484 ret1 = stream_seek(demuxer->stream, (off_t)cx->aIndex[j].qwOffset);
485 ret2 = stream_read(demuxer->stream, (char *)&cx->stdidx[j], 32);
486 if (ret1 != 1 || ret2 != 32 || cx->stdidx[j].nEntriesInUse==0) {
487 // this is a broken file (probably incomplete) let the standard
488 // gen_index routine handle this
489 priv->isodml = 0;
490 priv->idx_size = 0;
491 mp_tmsg(MSGT_HEADER, MSGL_WARN, "AVI: ODML: Broken (incomplete?) file detected. Will use traditional index.\n");
492 goto freeout;
495 le2me_AVISTDIDXCHUNK(&cx->stdidx[j]);
496 print_avistdindex_chunk(&cx->stdidx[j],MSGL_V);
497 priv->idx_size += cx->stdidx[j].nEntriesInUse;
498 cx->stdidx[j].aIndex = malloc(cx->stdidx[j].nEntriesInUse*sizeof(avistdindex_entry));
499 stream_read(demuxer->stream, (char *)cx->stdidx[j].aIndex,
500 cx->stdidx[j].nEntriesInUse*sizeof(avistdindex_entry));
501 for (k=0;k<cx->stdidx[j].nEntriesInUse; k++)
502 le2me_AVISTDIDXENTRY(&cx->stdidx[j].aIndex[k]);
504 cx->stdidx[j].dwReserved3 = 0;
510 * We convert the index by translating all entries into AVIINDEXENTRYs
511 * and sorting them by offset. The result should be the same index
512 * we would get with -forceidx.
515 idx = priv->idx = malloc(priv->idx_size * sizeof (AVIINDEXENTRY));
517 for (cx = priv->suidx; cx != &priv->suidx[priv->suidx_size]; cx++) {
518 avistdindex_chunk *sic;
519 for (sic = cx->stdidx; sic != &cx->stdidx[cx->nEntriesInUse]; sic++) {
520 avistdindex_entry *sie;
521 for (sie = sic->aIndex; sie != &sic->aIndex[sic->nEntriesInUse]; sie++) {
522 uint64_t off = sic->qwBaseOffset + sie->dwOffset - 8;
523 memcpy(&idx->ckid, sic->dwChunkId, 4);
524 idx->dwChunkOffset = off;
525 idx->dwFlags = (off >> 32) << 16;
526 idx->dwChunkLength = sie->dwSize & 0x7fffffff;
527 idx->dwFlags |= (sie->dwSize&0x80000000)?0x0:AVIIF_KEYFRAME; // bit 31 denotes !keyframe
528 idx++;
532 qsort(priv->idx, priv->idx_size, sizeof(AVIINDEXENTRY), avi_idx_cmp);
535 Hack to work around a "wrong" index in some divx odml files
536 (processor_burning.avi as an example)
537 They have ##dc on non keyframes but the ix00 tells us they are ##db.
538 Read the fcc of a non-keyframe vid frame and check it.
542 uint32_t id;
543 uint32_t db = 0;
544 stream_reset (demuxer->stream);
546 // find out the video stream id. I have seen files with 01db.
547 for (idx = &((AVIINDEXENTRY *)priv->idx)[0], i=0; i<priv->idx_size; i++, idx++){
548 unsigned char res[2];
549 if (odml_get_vstream_id(idx->ckid, res)) {
550 db = mmioFOURCC(res[0], res[1], 'd', 'b');
551 break;
555 // find first non keyframe
556 for (idx = &((AVIINDEXENTRY *)priv->idx)[0], i=0; i<priv->idx_size; i++, idx++){
557 if (!(idx->dwFlags & AVIIF_KEYFRAME) && idx->ckid == db) break;
559 if (i<priv->idx_size && db) {
560 stream_seek(demuxer->stream, AVI_IDX_OFFSET(idx));
561 id = stream_read_dword_le(demuxer->stream);
562 if (id && id != db) // index fcc and real fcc differ? fix it.
563 for (idx = &((AVIINDEXENTRY *)priv->idx)[0], i=0; i<priv->idx_size; i++, idx++){
564 if (!(idx->dwFlags & AVIIF_KEYFRAME) && idx->ckid == db)
565 idx->ckid = id;
570 if ( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx, priv->idx_size,MSGL_DBG2);
572 demuxer->movi_end=demuxer->stream->end_pos;
574 freeout:
576 // free unneeded stuff
577 cx = &priv->suidx[0];
578 do {
579 for (j=0;j<cx->nEntriesInUse;j++)
580 if (cx->stdidx[j].nEntriesInUse) free(cx->stdidx[j].aIndex);
581 free(cx->stdidx);
583 } while (cx++ != &priv->suidx[priv->suidx_size-1]);
584 free(priv->suidx);
588 /* Read a saved index file */
589 if (index_file_load) {
590 FILE *fp;
591 char magic[7];
592 unsigned int i;
594 if ((fp = fopen(index_file_load, "r")) == NULL) {
595 mp_tmsg(MSGT_HEADER,MSGL_ERR, "Can't read index file %s: %s\n", index_file_load, strerror(errno));
596 goto gen_index;
598 fread(&magic, 6, 1, fp);
599 if (strncmp(magic, "MPIDX1", 6)) {
600 mp_tmsg(MSGT_HEADER,MSGL_ERR, "%s is not a valid MPlayer index file.\n", index_file_load);
601 goto gen_index;
603 fread(&priv->idx_size, sizeof(priv->idx_size), 1, fp);
604 priv->idx=malloc(priv->idx_size*sizeof(AVIINDEXENTRY));
605 if (!priv->idx) {
606 mp_tmsg(MSGT_HEADER,MSGL_ERR, "Could not allocate memory for index data from %s.\n", index_file_load);
607 priv->idx_size = 0;
608 goto gen_index;
611 for (i=0; i<priv->idx_size;i++) {
612 AVIINDEXENTRY *idx;
613 idx=&((AVIINDEXENTRY *)priv->idx)[i];
614 fread(idx, sizeof(AVIINDEXENTRY), 1, fp);
615 if (feof(fp)) {
616 mp_tmsg(MSGT_HEADER,MSGL_ERR, "premature end of index file %s\n", index_file_load);
617 free(priv->idx);
618 priv->idx_size = 0;
619 goto gen_index;
622 fclose(fp);
623 mp_tmsg(MSGT_HEADER,MSGL_INFO, "Loaded index file: %s\n", index_file_load);
625 gen_index:
626 if(index_mode>=2 || (priv->idx_size==0 && index_mode==1)){
627 int idx_pos = 0;
628 // build index for file:
629 stream_reset(demuxer->stream);
630 stream_seek(demuxer->stream,demuxer->movi_start);
632 priv->idx_size=0;
633 priv->idx=NULL;
635 while(1){
636 int id;
637 unsigned len;
638 off_t skip;
639 AVIINDEXENTRY* idx;
640 unsigned int c;
641 demuxer->filepos=stream_tell(demuxer->stream);
642 if(demuxer->filepos>=demuxer->movi_end && demuxer->movi_start<demuxer->movi_end) break;
643 id=stream_read_dword_le(demuxer->stream);
644 len=stream_read_dword_le(demuxer->stream);
645 if(id==mmioFOURCC('L','I','S','T') || id==mmioFOURCC('R', 'I', 'F', 'F')){
646 id=stream_read_dword_le(demuxer->stream); // list or RIFF type
647 continue;
649 if(stream_eof(demuxer->stream)) break;
650 if(!id || avi_stream_id(id)==100) goto skip_chunk; // bad ID (or padding?)
652 if(idx_pos>=priv->idx_size){
653 // priv->idx_size+=32;
654 priv->idx_size+=1024; // +16kB
655 priv->idx=realloc(priv->idx,priv->idx_size*sizeof(AVIINDEXENTRY));
656 if(!priv->idx){idx_pos=0; break;} // error!
658 idx=&((AVIINDEXENTRY *)priv->idx)[idx_pos++];
659 idx->ckid=id;
660 idx->dwFlags=AVIIF_KEYFRAME; // FIXME
661 idx->dwFlags|=(demuxer->filepos>>16)&0xffff0000U;
662 idx->dwChunkOffset=(unsigned long)demuxer->filepos;
663 idx->dwChunkLength=len;
665 c=stream_read_dword(demuxer->stream);
667 if(!len) idx->dwFlags&=~AVIIF_KEYFRAME;
669 // Fix keyframes for DivX files:
670 if(idxfix_divx)
671 if(avi_stream_id(id)==idxfix_videostream){
672 switch(idxfix_divx){
673 case 3: c=stream_read_dword(demuxer->stream)<<5; //skip 32+5 bits for m$mpeg4v1
674 case 1: if(c&0x40000000) idx->dwFlags&=~AVIIF_KEYFRAME;break; // divx 3
675 case 2: if(c==0x1B6) idx->dwFlags&=~AVIIF_KEYFRAME;break; // divx 4
679 // update status line:
680 { static off_t lastpos;
681 off_t pos;
682 off_t len=demuxer->movi_end-demuxer->movi_start;
683 if(len){
684 pos=100*(demuxer->filepos-demuxer->movi_start)/len; // %
685 } else {
686 pos=(demuxer->filepos-demuxer->movi_start)>>20; // MB
688 if(pos!=lastpos){
689 lastpos=pos;
690 mp_tmsg(MSGT_HEADER,MSGL_STATUS, "Generating Index: %3lu %s \r",
691 (unsigned long)pos, len?"%":"MB");
694 mp_dbg(MSGT_HEADER,MSGL_DBG2,"%08X %08X %.4s %08X %X\n",(unsigned int)demuxer->filepos,id,(char *) &id,(int)c,(unsigned int) idx->dwFlags);
695 #if 0
696 { unsigned char tmp[64];
697 int i;
698 stream_read(demuxer->stream,tmp,64);
699 printf("%.4s",&id);
700 for(i=0;i<64;i++) printf(" %02X",tmp[i]);
701 printf("\n");
703 #endif
704 skip_chunk:
705 skip=(len+1)&(~1UL); // total bytes in this chunk
706 stream_seek(demuxer->stream,8+demuxer->filepos+skip);
708 priv->idx_size=idx_pos;
709 mp_tmsg(MSGT_HEADER,MSGL_INFO,"AVI: Generated index table for %d chunks!\n",priv->idx_size);
710 if( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx,priv->idx_size,MSGL_DBG2);
712 /* Write generated index to a file */
713 if (index_file_save) {
714 FILE *fp;
715 unsigned int i;
717 if ((fp=fopen(index_file_save, "w")) == NULL) {
718 mp_tmsg(MSGT_HEADER,MSGL_ERR, "Couldn't write index file %s: %s\n", index_file_save, strerror(errno));
719 return;
721 fwrite("MPIDX1", 6, 1, fp);
722 fwrite(&priv->idx_size, sizeof(priv->idx_size), 1, fp);
723 for (i=0; i<priv->idx_size; i++) {
724 AVIINDEXENTRY *idx = &((AVIINDEXENTRY *)priv->idx)[i];
725 fwrite(idx, sizeof(AVIINDEXENTRY), 1, fp);
727 fclose(fp);
728 mp_tmsg(MSGT_HEADER,MSGL_INFO, "Saved index file: %s\n", index_file_save);