projects / libav.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Newer version, using a vectorized version of the
[libav.git] / libavformat / avienc.c
CommitLineData
de6d9b64
FB		 1/*
2 * AVI encoder.
19720f15 3 * Copyright (c) 2000 Fabrice Bellard.
de6d9b64 4 *
19720f15
FB		 5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
de6d9b64 9 *
19720f15 10 * This library is distributed in the hope that it will be useful,
de6d9b64 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19720f15
FB		 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
de6d9b64 14 *
19720f15
FB		 15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
de6d9b64 18 */
de6d9b64
FB		 19#include "avformat.h"
20#include "avi.h"
21
22/*
23 * TODO:
24 * - fill all fields if non streamed (nb_frames for example)
25 */
26
764ef400 27#ifdef CONFIG_ENCODERS
e738cee9 28typedef struct AVIIentry {
de6d9b64 29 unsigned int flags, pos, len;
e738cee9
RS		 30} AVIIentry;
31
32#define AVI_INDEX_CLUSTER_SIZE 16384
33
34typedef struct AVIIndex {
35 offset_t indx_start;
36 int entry;
37 int ents_allocated;
38 AVIIentry** cluster;
de6d9b64
FB		 39} AVIIndex;
40
41typedef struct {
ce9fce63
RS		 42 offset_t riff_start, movi_list, odml_list;
43 offset_t frames_hdr_all, frames_hdr_strm[MAX_STREAMS];
86bec9a1 44 int audio_strm_length[MAX_STREAMS];
e738cee9
RS		 45 int riff_id;
46
47 AVIIndex indexes[MAX_STREAMS];
de6d9b64
FB		 48} AVIContext;
49
e738cee9
RS		 50static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
51{
52 int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
53 int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
54 return &idx->cluster[cl][id];
55}
56
0570bf06 57offset_t start_tag(ByteIOContext *pb, const char *tag)
de6d9b64
FB		 58{
59 put_tag(pb, tag);
60 put_le32(pb, 0);
61 return url_ftell(pb);
62}
63
64void end_tag(ByteIOContext *pb, offset_t start)
65{
66 offset_t pos;
67
68 pos = url_ftell(pb);
69 url_fseek(pb, start - 4, SEEK_SET);
0c1a9eda 70 put_le32(pb, (uint32_t)(pos - start));
de6d9b64
FB		 71 url_fseek(pb, pos, SEEK_SET);
72}
764ef400 73#endif //CONFIG_ENCODERS
de6d9b64
FB		 74
75/* Note: when encoding, the first matching tag is used, so order is
76 important if multiple tags possible for a given codec. */
0570bf06 77const CodecTag codec_bmp_tags[] = {
cc15c931
LA		 78 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
79
95c79a24
J		 80 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
81 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
de6d9b64 82 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
a05c8d71
MN		 83
84 /* added based on MPlayer */
a05c8d71 85 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
a05c8d71
MN		 86 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
87
b1d89f82 88 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
b1d89f82
MR		 89 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
90 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
390dffc5
MN		 91 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
92 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
58f26ba9 93 { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
a05c8d71
MN		 94
95 /* added based on MPlayer */
96 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
a05c8d71
MN		 97 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
98 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
99 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
100
b1d89f82 101 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
bb3debab 102 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
a05c8d71
MN		 103
104 /* added based on MPlayer */
105 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
a05c8d71 106 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
a05c8d71 107 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
a05c8d71 108 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
a05c8d71
MN		 109 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
110 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
a05c8d71 111 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
a05c8d71 112
bb3debab 113 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
a05c8d71
MN		 114
115 /* added based on MPlayer */
116 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
a05c8d71 117
9b030d9d 118 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
a05c8d71 119
9b030d9d 120 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
a05c8d71
MN		 121
122 /* added based on MPlayer */
e23d5712 123 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
020fcc94
FB		 124 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
125 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
ce9fce63
RS		 126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
1cbc2890
FB		 128 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
129 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
b4c64c50 130 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
1cbc2890 131 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
6b17c988 132 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
bb15f7fd 133 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
ccafe7b1 134 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
5b9d235f 135 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
ccafe7b1 136 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
f560dd82 137 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
1e711bd6 138 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
e8750b00 139 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
e8b478c1 140 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
deabd4fd
MM		 141 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
142 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
d86053a4 143 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
9ca9fce1 144 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
8d876a43 145 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
be3564ed 146 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
7408ad05 147 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
9e8cd0db 148 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
2fdf638b
MM		 149 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
150 { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
151 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
152 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
153 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
154 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
155 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
156 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
157 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
b7cbfc23 158 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
a273bbfb
RT		 159 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
160 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
7585aa5c 161 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
ee777235 162 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
d9171299 163 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
de6d9b64
FB		 164 { 0, 0 },
165};
166
a266644f 167unsigned int codec_get_tag(const CodecTag *tags, int id)
de6d9b64
FB		 168{
169 while (tags->id != 0) {
170 if (tags->id == id)
171 return tags->tag;
172 tags++;
173 }
174 return 0;
175}
176
2727c35e
PG		 177static unsigned int codec_get_asf_tag(const CodecTag *tags, int id)
178{
179 while (tags->id != 0) {
180 if (!tags->invalid_asf && tags->id == id)
181 return tags->tag;
182 tags++;
183 }
184 return 0;
185}
186
5d234974 187enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
de6d9b64
FB		 188{
189 while (tags->id != 0) {
77efa159
MN		 190 if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
191 && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
192 && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
193 && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
de6d9b64
FB		 194 return tags->id;
195 tags++;
196 }
5d234974 197 return CODEC_ID_NONE;
de6d9b64
FB		 198}
199
200unsigned int codec_get_bmp_tag(int id)
201{
202 return codec_get_tag(codec_bmp_tags, id);
203}
204
3aa180b8
AB		 205unsigned int codec_get_wav_tag(int id)
206{
207 return codec_get_tag(codec_wav_tags, id);
208}
209
210enum CodecID codec_get_bmp_id(unsigned int tag)
211{
212 return codec_get_id(codec_bmp_tags, tag);
213}
214
215enum CodecID codec_get_wav_id(unsigned int tag)
216{
217 return codec_get_id(codec_wav_tags, tag);
218}
219
764ef400 220#ifdef CONFIG_ENCODERS
de6d9b64 221/* BITMAPINFOHEADER header */
0570bf06 222void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
de6d9b64 223{
952c69c4 224 put_le32(pb, 40 + enc->extradata_size); /* size */
de6d9b64
FB		 225 put_le32(pb, enc->width);
226 put_le32(pb, enc->height);
227 put_le16(pb, 1); /* planes */
952c69c4
MN		 228
229 put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
de6d9b64 230 /* compression type */
63167088 231 put_le32(pb, for_asf ? codec_get_asf_tag(tags, enc->codec_id) : enc->codec_tag);
de6d9b64
FB		 232 put_le32(pb, enc->width * enc->height * 3);
233 put_le32(pb, 0);
234 put_le32(pb, 0);
235 put_le32(pb, 0);
236 put_le32(pb, 0);
952c69c4
MN		 237
238 put_buffer(pb, enc->extradata, enc->extradata_size);
239
240 if (enc->extradata_size & 1)
241 put_byte(pb, 0);
de6d9b64
FB		 242}
243
0570bf06 244static void parse_specific_params(AVCodecContext *stream, int *au_byterate, int *au_ssize, int *au_scale)
86bec9a1
J		 245{
246 switch(stream->codec_id) {
247 case CODEC_ID_PCM_S16LE:
248 *au_scale = *au_ssize = 2*stream->channels;
249 *au_byterate = *au_ssize * stream->sample_rate;
250 break;
251 case CODEC_ID_PCM_U8:
252 case CODEC_ID_PCM_ALAW:
253 case CODEC_ID_PCM_MULAW:
254 *au_scale = *au_ssize = stream->channels;
255 *au_byterate = *au_ssize * stream->sample_rate;
256 break;
257 case CODEC_ID_MP2:
258 *au_ssize = 1;
259 *au_scale = 1;
260 *au_byterate = stream->bit_rate / 8;
80783dc2 261 case CODEC_ID_MP3:
5798368b
J		 262 *au_ssize = 1;
263 *au_scale = 1;
264 *au_byterate = stream->bit_rate / 8;
86bec9a1
J		 265 default:
266 *au_ssize = 1;
267 *au_scale = 1;
268 *au_byterate = stream->bit_rate / 8;
269 break;
270 }
271}
272
ce9fce63
RS		 273static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
274 const char* riff_tag, const char* list_tag)
275{
276 offset_t loff;
e738cee9
RS		 277 int i;
278
279 avi->riff_id++;
280 for (i=0; i<MAX_STREAMS; i++)
281 avi->indexes[i].entry = 0;
282
ce9fce63
RS		 283 avi->riff_start = start_tag(pb, "RIFF");
284 put_tag(pb, riff_tag);
285 loff = start_tag(pb, "LIST");
286 put_tag(pb, list_tag);
287 return loff;
288}
289
e738cee9
RS		 290static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
291 enum CodecType type)
292{
293 tag[0] = '0';
294 tag[1] = '0' + index;
295 if (type == CODEC_TYPE_VIDEO) {
296 tag[2] = 'd';
297 tag[3] = 'c';
298 } else {
299 tag[2] = 'w';
300 tag[3] = 'b';
301 }
302 tag[4] = '\0';
303 return tag;
304}
305
de6d9b64
FB		 306static int avi_write_header(AVFormatContext *s)
307{
c9a65ca8 308 AVIContext *avi = s->priv_data;
de6d9b64 309 ByteIOContext *pb = &s->pb;
86bec9a1 310 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
de6d9b64
FB		 311 AVCodecContext *stream, *video_enc;
312 offset_t list1, list2, strh, strf;
313
de6d9b64 314 /* header list */
e738cee9 315 avi->riff_id = 0;
ce9fce63 316 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
de6d9b64
FB		 317
318 /* avi header */
319 put_tag(pb, "avih");
320 put_le32(pb, 14 * 4);
321 bitrate = 0;
322
323 video_enc = NULL;
324 for(n=0;n<s->nb_streams;n++) {
325 stream = &s->streams[n]->codec;
326 bitrate += stream->bit_rate;
327 if (stream->codec_type == CODEC_TYPE_VIDEO)
328 video_enc = stream;
329 }
330
de6d9b64
FB		 331 nb_frames = 0;
332
850742d7 333 if(video_enc){
14bea432 334 put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->frame_rate_base / video_enc->frame_rate));
850742d7
AR		 335 } else {
336 put_le32(pb, 0);
337 }
de6d9b64
FB		 338 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
339 put_le32(pb, 0); /* padding */
340 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
86bec9a1 341 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 342 put_le32(pb, nb_frames); /* nb frames, filled later */
343 put_le32(pb, 0); /* initial frame */
344 put_le32(pb, s->nb_streams); /* nb streams */
345 put_le32(pb, 1024 * 1024); /* suggested buffer size */
850742d7 346 if(video_enc){
de6d9b64
FB		 347 put_le32(pb, video_enc->width);
348 put_le32(pb, video_enc->height);
850742d7
AR		 349 } else {
350 put_le32(pb, 0);
351 put_le32(pb, 0);
352 }
de6d9b64
FB		 353 put_le32(pb, 0); /* reserved */
354 put_le32(pb, 0); /* reserved */
355 put_le32(pb, 0); /* reserved */
356 put_le32(pb, 0); /* reserved */
357
358 /* stream list */
359 for(i=0;i<n;i++) {
360 list2 = start_tag(pb, "LIST");
361 put_tag(pb, "strl");
362
363 stream = &s->streams[i]->codec;
364
e8750b00
FR		 365 /* FourCC should really be set by the codec itself */
366 if (! stream->codec_tag) {
367 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
368 }
369
de6d9b64
FB		 370 /* stream generic header */
371 strh = start_tag(pb, "strh");
372 switch(stream->codec_type) {
373 case CODEC_TYPE_VIDEO:
374 put_tag(pb, "vids");
e8750b00 375 put_le32(pb, stream->codec_tag);
de6d9b64
FB		 376 put_le32(pb, 0); /* flags */
377 put_le16(pb, 0); /* priority */
378 put_le16(pb, 0); /* language */
379 put_le32(pb, 0); /* initial frame */
b559b29b 380
14bea432
MN		 381 put_le32(pb, stream->frame_rate_base); /* scale */
382 put_le32(pb, stream->frame_rate); /* rate */
b559b29b 383
de6d9b64 384 put_le32(pb, 0); /* start */
86bec9a1 385 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 386 put_le32(pb, nb_frames); /* length, XXX: fill later */
387 put_le32(pb, 1024 * 1024); /* suggested buffer size */
86bec9a1 388 put_le32(pb, -1); /* quality */
de6d9b64
FB		 389 put_le32(pb, stream->width * stream->height * 3); /* sample size */
390 put_le16(pb, 0);
391 put_le16(pb, 0);
392 put_le16(pb, stream->width);
393 put_le16(pb, stream->height);
394 break;
395 case CODEC_TYPE_AUDIO:
396 put_tag(pb, "auds");
86bec9a1 397 put_le32(pb, 1); /* tag */
de6d9b64
FB		 398 put_le32(pb, 0); /* flags */
399 put_le16(pb, 0); /* priority */
400 put_le16(pb, 0); /* language */
401 put_le32(pb, 0); /* initial frame */
86bec9a1
J		 402 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
403 put_le32(pb, au_scale); /* scale */
404 put_le32(pb, au_byterate); /* rate */
de6d9b64 405 put_le32(pb, 0); /* start */
86bec9a1 406 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 407 put_le32(pb, 0); /* length, XXX: filled later */
408 put_le32(pb, 12 * 1024); /* suggested buffer size */
409 put_le32(pb, -1); /* quality */
86bec9a1 410 put_le32(pb, au_ssize); /* sample size */
de6d9b64
FB		 411 put_le32(pb, 0);
412 put_le32(pb, 0);
413 break;
53cafac0 414 default:
42343f7e 415 av_abort();
de6d9b64
FB		 416 }
417 end_tag(pb, strh);
418
419 strf = start_tag(pb, "strf");
420 switch(stream->codec_type) {
421 case CODEC_TYPE_VIDEO:
2727c35e 422 put_bmp_header(pb, stream, codec_bmp_tags, 0);
de6d9b64
FB		 423 break;
424 case CODEC_TYPE_AUDIO:
46a3d068 425 if (put_wav_header(pb, stream) < 0) {
1ea4f593 426 av_free(avi);
46a3d068
FB		 427 return -1;
428 }
de6d9b64 429 break;
53cafac0 430 default:
42343f7e 431 av_abort();
de6d9b64
FB		 432 }
433 end_tag(pb, strf);
e738cee9
RS		 434
435 if (!url_is_streamed(pb)) {
436 unsigned char tag[5];
8c0ff5d5 437 int j;
e738cee9
RS		 438
439 /* Starting to lay out AVI OpenDML master index.
440 * We want to make it JUNK entry for now, since we'd
8c0ff5d5 441 * like to get away without making AVI an OpenDML one
e738cee9
RS		 442 * for compatibility reasons.
443 */
444 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
445 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
446 put_le16(pb, 4); /* wLongsPerEntry */
447 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
448 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
449 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
450 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
451 /* dwChunkId */
452 put_le64(pb, 0); /* dwReserved[3]
453 put_le32(pb, 0); Must be 0. */
8c0ff5d5
RS		 454 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
455 put_le64(pb, 0);
e738cee9
RS		 456 end_tag(pb, avi->indexes[i].indx_start);
457 }
458
de6d9b64
FB		 459 end_tag(pb, list2);
460 }
ce9fce63 461
e738cee9
RS		 462 if (!url_is_streamed(pb)) {
463 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
464 avi->odml_list = start_tag(pb, "JUNK");
465 put_tag(pb, "odml");
466 put_tag(pb, "dmlh");
467 put_le32(pb, 248);
468 for (i = 0; i < 248; i+= 4)
469 put_le32(pb, 0);
470 end_tag(pb, avi->odml_list);
471 }
de6d9b64
FB		 472
473 end_tag(pb, list1);
474
475 avi->movi_list = start_tag(pb, "LIST");
de6d9b64
FB		 476 put_tag(pb, "movi");
477
478 put_flush_packet(pb);
479
480 return 0;
481}
482
e738cee9
RS		 483static int avi_write_ix(AVFormatContext *s)
484{
485 ByteIOContext *pb = &s->pb;
486 AVIContext *avi = s->priv_data;
487 unsigned char tag[5];
488 unsigned char ix_tag[] = "ix00";
489 int i, j;
490
491 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
492 return -1;
493
494 for (i=0;i<s->nb_streams;i++) {
495 offset_t ix, pos;
496
497 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec.codec_type);
498 ix_tag[3] = '0' + i;
499
500 /* Writing AVI OpenDML leaf index chunk */
501 ix = url_ftell(pb);
502 put_tag(pb, &ix_tag[0]); /* ix?? */
503 put_le32(pb, avi->indexes[i].entry * 8 + 24);
504 /* chunk size */
505 put_le16(pb, 2); /* wLongsPerEntry */
506 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
507 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
508 put_le32(pb, avi->indexes[i].entry);
509 /* nEntriesInUse */
510 put_tag(pb, &tag[0]); /* dwChunkId */
511 put_le64(pb, avi->movi_list);/* qwBaseOffset */
512 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
513
514 for (j=0; j<avi->indexes[i].entry; j++) {
515 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
516 put_le32(pb, ie->pos + 8);
517 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
518 (ie->flags & 0x10 ? 0 : 0x80000000));
519 }
520 put_flush_packet(pb);
521 pos = url_ftell(pb);
522
523 /* Updating one entry in the AVI OpenDML master index */
524 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
525 put_tag(pb, "indx"); /* enabling this entry */
526 url_fskip(pb, 8);
527 put_le32(pb, avi->riff_id); /* nEntriesInUse */
528 url_fskip(pb, 16*avi->riff_id);
529 put_le64(pb, ix); /* qwOffset */
530 put_le32(pb, pos - ix); /* dwSize */
531 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
532
533 url_fseek(pb, pos, SEEK_SET);
534 }
535 return 0;
536}
537
538static int avi_write_idx1(AVFormatContext *s)
ce9fce63
RS		 539{
540 ByteIOContext *pb = &s->pb;
541 AVIContext *avi = s->priv_data;
542 offset_t file_size, idx_chunk;
e738cee9 543 int i, n, nb_frames, au_byterate, au_ssize, au_scale;
ce9fce63 544 AVCodecContext *stream;
e738cee9 545 unsigned char tag[5];
ce9fce63
RS		 546
547 if (!url_is_streamed(pb)) {
546031ee 548 AVIIentry* ie = 0, *tie;
e738cee9 549 int entry[MAX_STREAMS];
546031ee 550 int empty, stream_id = -1;
e738cee9
RS		 551
552 idx_chunk = start_tag(pb, "idx1");
553 memset(&entry[0], 0, sizeof(entry));
554 do {
555 empty = 1;
556 for (i=0; i<s->nb_streams; i++) {
557 if (avi->indexes[i].entry <= entry[i])
558 continue;
559
560 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
561 if (empty || tie->pos < ie->pos) {
562 ie = tie;
563 stream_id = i;
564 }
565 empty = 0;
566 }
567 if (!empty) {
568 avi_stream2fourcc(&tag[0], stream_id,
569 s->streams[stream_id]->codec.codec_type);
570 put_tag(pb, &tag[0]);
571 put_le32(pb, ie->flags);
572 put_le32(pb, ie->pos);
573 put_le32(pb, ie->len);
574 entry[stream_id]++;
575 }
576 } while (!empty);
577 end_tag(pb, idx_chunk);
ce9fce63
RS		 578
579 /* Fill in frame/sample counters */
e738cee9 580 file_size = url_ftell(pb);
ce9fce63
RS		 581 nb_frames = 0;
582 for(n=0;n<s->nb_streams;n++) {
583 if (avi->frames_hdr_strm[n] != 0) {
584 stream = &s->streams[n]->codec;
585 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
586 if (stream->codec_type == CODEC_TYPE_VIDEO) {
587 put_le32(pb, stream->frame_number);
588 if (nb_frames < stream->frame_number)
589 nb_frames = stream->frame_number;
590 } else {
80783dc2 591 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63
RS		 592 put_le32(pb, stream->frame_number);
593 nb_frames += stream->frame_number;
594 } else {
595 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
596 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
597 }
598 }
599 }
600 }
601 if (avi->frames_hdr_all != 0) {
602 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
603 put_le32(pb, nb_frames);
604 }
605 url_fseek(pb, file_size, SEEK_SET);
606 }
607 return 0;
608}
609
de6d9b64 610static int avi_write_packet(AVFormatContext *s, int stream_index,
49057904 611 const uint8_t *buf, int size, int64_t pts)
de6d9b64
FB		 612{
613 AVIContext *avi = s->priv_data;
614 ByteIOContext *pb = &s->pb;
de6d9b64
FB		 615 unsigned char tag[5];
616 unsigned int flags;
617 AVCodecContext *enc;
ce9fce63
RS		 618
619 if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) {
e738cee9
RS		 620 avi_write_ix(s);
621 end_tag(pb, avi->movi_list);
622
623 if (avi->riff_id == 1)
624 avi_write_idx1(s);
625
626 end_tag(pb, avi->riff_start);
ce9fce63
RS		 627 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
628 }
de6d9b64
FB		 629
630 enc = &s->streams[stream_index]->codec;
e738cee9
RS		 631 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
632 if (enc->codec_type == CODEC_TYPE_AUDIO) {
86bec9a1 633 avi->audio_strm_length[stream_index] += size;
e738cee9
RS		 634 flags = 0x10;
635 } else
636 flags = enc->coded_frame->key_frame ? 0x10 : 0x00;
de6d9b64
FB		 637
638 if (!url_is_streamed(&s->pb)) {
e738cee9
RS		 639 AVIIndex* idx = &avi->indexes[stream_index];
640 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
641 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
642 if (idx->ents_allocated <= idx->entry) {
643 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
644 if (!idx->cluster)
645 return -1;
646 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
647 if (!idx->cluster[cl])
648 return -1;
649 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
650 }
651
652 idx->cluster[cl][id].flags = flags;
653 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
654 idx->cluster[cl][id].len = size;
655 idx->entry++;
de6d9b64
FB		 656 }
657
658 put_buffer(pb, tag, 4);
659 put_le32(pb, size);
660 put_buffer(pb, buf, size);
661 if (size & 1)
662 put_byte(pb, 0);
663
664 put_flush_packet(pb);
665 return 0;
666}
667
668static int avi_write_trailer(AVFormatContext *s)
669{
de6d9b64 670 AVIContext *avi = s->priv_data;
ce9fce63
RS		 671 ByteIOContext *pb = &s->pb;
672 int res = 0;
e738cee9
RS		 673 int i, j, n, nb_frames;
674 offset_t file_size;
675
676 if (avi->riff_id == 1) {
677 end_tag(pb, avi->movi_list);
678 res = avi_write_idx1(s);
679 end_tag(pb, avi->riff_start);
680 } else {
681 avi_write_ix(s);
682 end_tag(pb, avi->movi_list);
683 end_tag(pb, avi->riff_start);
de6d9b64 684
de6d9b64 685 file_size = url_ftell(pb);
ce9fce63
RS		 686 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
687 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
688 url_fskip(pb, 16);
689
690 for (n=nb_frames=0;n<s->nb_streams;n++) {
691 AVCodecContext *stream = &s->streams[n]->codec;
692 if (stream->codec_type == CODEC_TYPE_VIDEO) {
693 if (nb_frames < stream->frame_number)
694 nb_frames = stream->frame_number;
695 } else {
80783dc2 696 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63 697 nb_frames += stream->frame_number;
86bec9a1
J		 698 }
699 }
ce9fce63
RS		 700 }
701 put_le32(pb, nb_frames);
ce9fce63 702 url_fseek(pb, file_size, SEEK_SET);
e738cee9 703 }
de6d9b64 704 put_flush_packet(pb);
e738cee9
RS		 705
706 for (i=0; i<MAX_STREAMS; i++) {
707 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
708 av_free(avi->indexes[i].cluster[j]);
709 av_free(avi->indexes[i].cluster);
710 avi->indexes[i].cluster = NULL;
711 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
712 }
713
ce9fce63 714 return res;
de6d9b64
FB		 715}
716
c9a65ca8 717static AVOutputFormat avi_oformat = {
de6d9b64
FB		 718 "avi",
719 "avi format",
720 "video/x-msvideo",
721 "avi",
c9a65ca8 722 sizeof(AVIContext),
de6d9b64 723 CODEC_ID_MP2,
22cf0455 724 CODEC_ID_MPEG4,
de6d9b64
FB		 725 avi_write_header,
726 avi_write_packet,
727 avi_write_trailer,
de6d9b64 728};
c9a65ca8
FB		 729
730int avienc_init(void)
731{
732 av_register_output_format(&avi_oformat);
733 return 0;
734}
764ef400 735#endif //CONFIG_ENCODERS
Libav master