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remove weird offsets
[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 45 int riff_id;
50c3dd32 46 int packet_count[MAX_STREAMS];
e738cee9
RS		 47
48 AVIIndex indexes[MAX_STREAMS];
de6d9b64
FB		 49} AVIContext;
50
e738cee9
RS		 51static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
52{
53 int cl = ent_id / AVI_INDEX_CLUSTER_SIZE;
54 int id = ent_id % AVI_INDEX_CLUSTER_SIZE;
55 return &idx->cluster[cl][id];
56}
57
0570bf06 58offset_t start_tag(ByteIOContext *pb, const char *tag)
de6d9b64
FB		 59{
60 put_tag(pb, tag);
61 put_le32(pb, 0);
62 return url_ftell(pb);
63}
64
65void end_tag(ByteIOContext *pb, offset_t start)
66{
67 offset_t pos;
68
69 pos = url_ftell(pb);
70 url_fseek(pb, start - 4, SEEK_SET);
0c1a9eda 71 put_le32(pb, (uint32_t)(pos - start));
de6d9b64
FB		 72 url_fseek(pb, pos, SEEK_SET);
73}
764ef400 74#endif //CONFIG_ENCODERS
de6d9b64
FB		 75
76/* Note: when encoding, the first matching tag is used, so order is
77 important if multiple tags possible for a given codec. */
0570bf06 78const CodecTag codec_bmp_tags[] = {
cc15c931
LA		 79 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
80
95c79a24
J		 81 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
82 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
de6d9b64 83 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
c931e608 84 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
a05c8d71
MN		 85
86 /* added based on MPlayer */
a05c8d71 87 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
a05c8d71
MN		 88 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
89
b1d89f82 90 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
b1d89f82
MR		 91 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
92 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
390dffc5
MN		 93 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
94 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
58f26ba9 95 { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
a05c8d71
MN		 96
97 /* added based on MPlayer */
98 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
a05c8d71
MN		 99 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
100 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
101 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
102
b1d89f82 103 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
bb3debab 104 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
a05c8d71
MN		 105
106 /* added based on MPlayer */
107 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
a05c8d71 108 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
a05c8d71 109 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
a05c8d71 110 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
a05c8d71
MN		 111 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
112 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
a05c8d71 113 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
a05c8d71 114
bb3debab 115 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
a05c8d71
MN		 116
117 /* added based on MPlayer */
118 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
a05c8d71 119
9b030d9d 120 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
a05c8d71 121
9b030d9d 122 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
a05c8d71
MN		 123
124 /* added based on MPlayer */
e23d5712 125 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
020fcc94
FB		 126 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
127 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
ce9fce63
RS		 128 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
129 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
1cbc2890
FB		 130 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
131 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
b4c64c50 132 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
1cbc2890 133 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
6b17c988 134 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
c60d6ad4
MN		 135 { CODEC_ID_MPEG1VIDEO, 0x10000001 },
136 { CODEC_ID_MPEG2VIDEO, 0x10000002 },
afbb5ce4 137 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
bb15f7fd 138 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
ccafe7b1 139 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
5b9d235f 140 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
ccafe7b1 141 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
f560dd82 142 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
1e711bd6 143 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
e8750b00 144 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
e8b478c1 145 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
deabd4fd
MM		 146 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
147 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
d86053a4 148 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
9ca9fce1 149 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
8d876a43 150 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
be3564ed 151 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
7408ad05 152 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
9e8cd0db 153 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
2fdf638b
MM		 154 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
155 { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
156 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
157 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
158 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
159 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
160 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
161 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
162 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
b7cbfc23 163 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
a273bbfb
RT		 164 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
165 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
791e7b83 166 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
7585aa5c 167 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
ee777235 168 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
d9171299 169 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
9d53d58e 170 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
d0a0bbd2 171 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
ab711b3c 172 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
627c50b7 173 { CODEC_ID_RAWVIDEO, 0 },
de6d9b64
FB		 174 { 0, 0 },
175};
176
a266644f 177unsigned int codec_get_tag(const CodecTag *tags, int id)
de6d9b64
FB		 178{
179 while (tags->id != 0) {
180 if (tags->id == id)
181 return tags->tag;
182 tags++;
183 }
184 return 0;
185}
186
7fea94ce 187static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
2727c35e
PG		 188{
189 while (tags->id != 0) {
190 if (!tags->invalid_asf && tags->id == id)
191 return tags->tag;
192 tags++;
193 }
194 return 0;
195}
196
5d234974 197enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
de6d9b64
FB		 198{
199 while (tags->id != 0) {
77efa159
MN		 200 if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
201 && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
202 && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
203 && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
de6d9b64
FB		 204 return tags->id;
205 tags++;
206 }
5d234974 207 return CODEC_ID_NONE;
de6d9b64
FB		 208}
209
210unsigned int codec_get_bmp_tag(int id)
211{
212 return codec_get_tag(codec_bmp_tags, id);
213}
214
3aa180b8
AB		 215unsigned int codec_get_wav_tag(int id)
216{
217 return codec_get_tag(codec_wav_tags, id);
218}
219
220enum CodecID codec_get_bmp_id(unsigned int tag)
221{
222 return codec_get_id(codec_bmp_tags, tag);
223}
224
225enum CodecID codec_get_wav_id(unsigned int tag)
226{
227 return codec_get_id(codec_wav_tags, tag);
228}
229
764ef400 230#ifdef CONFIG_ENCODERS
de6d9b64 231/* BITMAPINFOHEADER header */
0570bf06 232void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
de6d9b64 233{
952c69c4 234 put_le32(pb, 40 + enc->extradata_size); /* size */
de6d9b64
FB		 235 put_le32(pb, enc->width);
236 put_le32(pb, enc->height);
237 put_le16(pb, 1); /* planes */
952c69c4
MN		 238
239 put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
de6d9b64 240 /* compression type */
63167088 241 put_le32(pb, for_asf ? codec_get_asf_tag(tags, enc->codec_id) : enc->codec_tag);
de6d9b64
FB		 242 put_le32(pb, enc->width * enc->height * 3);
243 put_le32(pb, 0);
244 put_le32(pb, 0);
245 put_le32(pb, 0);
246 put_le32(pb, 0);
952c69c4
MN		 247
248 put_buffer(pb, enc->extradata, enc->extradata_size);
249
250 if (enc->extradata_size & 1)
251 put_byte(pb, 0);
de6d9b64
FB		 252}
253
0570bf06 254static void parse_specific_params(AVCodecContext *stream, int *au_byterate, int *au_ssize, int *au_scale)
86bec9a1
J		 255{
256 switch(stream->codec_id) {
257 case CODEC_ID_PCM_S16LE:
258 *au_scale = *au_ssize = 2*stream->channels;
259 *au_byterate = *au_ssize * stream->sample_rate;
260 break;
261 case CODEC_ID_PCM_U8:
262 case CODEC_ID_PCM_ALAW:
263 case CODEC_ID_PCM_MULAW:
264 *au_scale = *au_ssize = stream->channels;
265 *au_byterate = *au_ssize * stream->sample_rate;
266 break;
267 case CODEC_ID_MP2:
268 *au_ssize = 1;
269 *au_scale = 1;
270 *au_byterate = stream->bit_rate / 8;
80783dc2 271 case CODEC_ID_MP3:
5798368b
J		 272 *au_ssize = 1;
273 *au_scale = 1;
274 *au_byterate = stream->bit_rate / 8;
86bec9a1
J		 275 default:
276 *au_ssize = 1;
277 *au_scale = 1;
278 *au_byterate = stream->bit_rate / 8;
279 break;
280 }
281}
282
ce9fce63
RS		 283static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
284 const char* riff_tag, const char* list_tag)
285{
286 offset_t loff;
e738cee9
RS		 287 int i;
288
289 avi->riff_id++;
290 for (i=0; i<MAX_STREAMS; i++)
291 avi->indexes[i].entry = 0;
292
ce9fce63
RS		 293 avi->riff_start = start_tag(pb, "RIFF");
294 put_tag(pb, riff_tag);
295 loff = start_tag(pb, "LIST");
296 put_tag(pb, list_tag);
297 return loff;
298}
299
e738cee9
RS		 300static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
301 enum CodecType type)
302{
303 tag[0] = '0';
304 tag[1] = '0' + index;
305 if (type == CODEC_TYPE_VIDEO) {
306 tag[2] = 'd';
307 tag[3] = 'c';
308 } else {
309 tag[2] = 'w';
310 tag[3] = 'b';
311 }
312 tag[4] = '\0';
313 return tag;
314}
315
de6d9b64
FB		 316static int avi_write_header(AVFormatContext *s)
317{
c9a65ca8 318 AVIContext *avi = s->priv_data;
de6d9b64 319 ByteIOContext *pb = &s->pb;
86bec9a1 320 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
de6d9b64
FB		 321 AVCodecContext *stream, *video_enc;
322 offset_t list1, list2, strh, strf;
323
de6d9b64 324 /* header list */
e738cee9 325 avi->riff_id = 0;
ce9fce63 326 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
de6d9b64
FB		 327
328 /* avi header */
329 put_tag(pb, "avih");
330 put_le32(pb, 14 * 4);
331 bitrate = 0;
332
333 video_enc = NULL;
334 for(n=0;n<s->nb_streams;n++) {
335 stream = &s->streams[n]->codec;
336 bitrate += stream->bit_rate;
337 if (stream->codec_type == CODEC_TYPE_VIDEO)
338 video_enc = stream;
339 }
340
de6d9b64
FB		 341 nb_frames = 0;
342
850742d7 343 if(video_enc){
14bea432 344 put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->frame_rate_base / video_enc->frame_rate));
850742d7
AR		 345 } else {
346 put_le32(pb, 0);
347 }
de6d9b64
FB		 348 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
349 put_le32(pb, 0); /* padding */
350 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
86bec9a1 351 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 352 put_le32(pb, nb_frames); /* nb frames, filled later */
353 put_le32(pb, 0); /* initial frame */
354 put_le32(pb, s->nb_streams); /* nb streams */
355 put_le32(pb, 1024 * 1024); /* suggested buffer size */
850742d7 356 if(video_enc){
de6d9b64
FB		 357 put_le32(pb, video_enc->width);
358 put_le32(pb, video_enc->height);
850742d7
AR		 359 } else {
360 put_le32(pb, 0);
361 put_le32(pb, 0);
362 }
de6d9b64
FB		 363 put_le32(pb, 0); /* reserved */
364 put_le32(pb, 0); /* reserved */
365 put_le32(pb, 0); /* reserved */
366 put_le32(pb, 0); /* reserved */
367
368 /* stream list */
369 for(i=0;i<n;i++) {
370 list2 = start_tag(pb, "LIST");
371 put_tag(pb, "strl");
372
373 stream = &s->streams[i]->codec;
374
e8750b00
FR		 375 /* FourCC should really be set by the codec itself */
376 if (! stream->codec_tag) {
377 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
378 }
379
de6d9b64
FB		 380 /* stream generic header */
381 strh = start_tag(pb, "strh");
382 switch(stream->codec_type) {
383 case CODEC_TYPE_VIDEO:
384 put_tag(pb, "vids");
e8750b00 385 put_le32(pb, stream->codec_tag);
de6d9b64
FB		 386 put_le32(pb, 0); /* flags */
387 put_le16(pb, 0); /* priority */
388 put_le16(pb, 0); /* language */
389 put_le32(pb, 0); /* initial frame */
b559b29b 390
14bea432
MN		 391 put_le32(pb, stream->frame_rate_base); /* scale */
392 put_le32(pb, stream->frame_rate); /* rate */
50c3dd32 393 av_set_pts_info(s->streams[i], 64, stream->frame_rate_base, stream->frame_rate);
b559b29b 394
de6d9b64 395 put_le32(pb, 0); /* start */
86bec9a1 396 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 397 put_le32(pb, nb_frames); /* length, XXX: fill later */
398 put_le32(pb, 1024 * 1024); /* suggested buffer size */
86bec9a1 399 put_le32(pb, -1); /* quality */
de6d9b64
FB		 400 put_le32(pb, stream->width * stream->height * 3); /* sample size */
401 put_le16(pb, 0);
402 put_le16(pb, 0);
403 put_le16(pb, stream->width);
404 put_le16(pb, stream->height);
405 break;
406 case CODEC_TYPE_AUDIO:
407 put_tag(pb, "auds");
86bec9a1 408 put_le32(pb, 1); /* tag */
de6d9b64
FB		 409 put_le32(pb, 0); /* flags */
410 put_le16(pb, 0); /* priority */
411 put_le16(pb, 0); /* language */
412 put_le32(pb, 0); /* initial frame */
86bec9a1
J		 413 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
414 put_le32(pb, au_scale); /* scale */
415 put_le32(pb, au_byterate); /* rate */
50c3dd32 416// av_set_pts_info(&s->streams[i], 64, au_scale, au_byterate);
de6d9b64 417 put_le32(pb, 0); /* start */
86bec9a1 418 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB		 419 put_le32(pb, 0); /* length, XXX: filled later */
420 put_le32(pb, 12 * 1024); /* suggested buffer size */
421 put_le32(pb, -1); /* quality */
86bec9a1 422 put_le32(pb, au_ssize); /* sample size */
de6d9b64
FB		 423 put_le32(pb, 0);
424 put_le32(pb, 0);
425 break;
53cafac0 426 default:
71c32f19 427 return -1;
de6d9b64
FB		 428 }
429 end_tag(pb, strh);
430
431 strf = start_tag(pb, "strf");
432 switch(stream->codec_type) {
433 case CODEC_TYPE_VIDEO:
2727c35e 434 put_bmp_header(pb, stream, codec_bmp_tags, 0);
de6d9b64
FB		 435 break;
436 case CODEC_TYPE_AUDIO:
46a3d068 437 if (put_wav_header(pb, stream) < 0) {
1ea4f593 438 av_free(avi);
46a3d068
FB		 439 return -1;
440 }
de6d9b64 441 break;
53cafac0 442 default:
71c32f19 443 return -1;
de6d9b64
FB		 444 }
445 end_tag(pb, strf);
e738cee9
RS		 446
447 if (!url_is_streamed(pb)) {
448 unsigned char tag[5];
8c0ff5d5 449 int j;
e738cee9
RS		 450
451 /* Starting to lay out AVI OpenDML master index.
452 * We want to make it JUNK entry for now, since we'd
8c0ff5d5 453 * like to get away without making AVI an OpenDML one
e738cee9
RS		 454 * for compatibility reasons.
455 */
456 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
457 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
458 put_le16(pb, 4); /* wLongsPerEntry */
459 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
460 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
461 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
462 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
463 /* dwChunkId */
464 put_le64(pb, 0); /* dwReserved[3]
465 put_le32(pb, 0); Must be 0. */
8c0ff5d5
RS		 466 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
467 put_le64(pb, 0);
e738cee9
RS		 468 end_tag(pb, avi->indexes[i].indx_start);
469 }
470
de6d9b64
FB		 471 end_tag(pb, list2);
472 }
ce9fce63 473
e738cee9
RS		 474 if (!url_is_streamed(pb)) {
475 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
476 avi->odml_list = start_tag(pb, "JUNK");
477 put_tag(pb, "odml");
478 put_tag(pb, "dmlh");
479 put_le32(pb, 248);
480 for (i = 0; i < 248; i+= 4)
481 put_le32(pb, 0);
482 end_tag(pb, avi->odml_list);
483 }
de6d9b64
FB		 484
485 end_tag(pb, list1);
486
487 avi->movi_list = start_tag(pb, "LIST");
de6d9b64
FB		 488 put_tag(pb, "movi");
489
490 put_flush_packet(pb);
491
492 return 0;
493}
494
e738cee9
RS		 495static int avi_write_ix(AVFormatContext *s)
496{
497 ByteIOContext *pb = &s->pb;
498 AVIContext *avi = s->priv_data;
499 unsigned char tag[5];
500 unsigned char ix_tag[] = "ix00";
501 int i, j;
502
503 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
504 return -1;
505
506 for (i=0;i<s->nb_streams;i++) {
507 offset_t ix, pos;
508
509 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec.codec_type);
510 ix_tag[3] = '0' + i;
511
512 /* Writing AVI OpenDML leaf index chunk */
513 ix = url_ftell(pb);
514 put_tag(pb, &ix_tag[0]); /* ix?? */
515 put_le32(pb, avi->indexes[i].entry * 8 + 24);
516 /* chunk size */
517 put_le16(pb, 2); /* wLongsPerEntry */
518 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
519 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
520 put_le32(pb, avi->indexes[i].entry);
521 /* nEntriesInUse */
522 put_tag(pb, &tag[0]); /* dwChunkId */
523 put_le64(pb, avi->movi_list);/* qwBaseOffset */
524 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
525
526 for (j=0; j<avi->indexes[i].entry; j++) {
527 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
528 put_le32(pb, ie->pos + 8);
529 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
530 (ie->flags & 0x10 ? 0 : 0x80000000));
531 }
532 put_flush_packet(pb);
533 pos = url_ftell(pb);
534
535 /* Updating one entry in the AVI OpenDML master index */
536 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
537 put_tag(pb, "indx"); /* enabling this entry */
538 url_fskip(pb, 8);
539 put_le32(pb, avi->riff_id); /* nEntriesInUse */
540 url_fskip(pb, 16*avi->riff_id);
541 put_le64(pb, ix); /* qwOffset */
542 put_le32(pb, pos - ix); /* dwSize */
543 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
544
545 url_fseek(pb, pos, SEEK_SET);
546 }
547 return 0;
548}
549
550static int avi_write_idx1(AVFormatContext *s)
ce9fce63
RS		 551{
552 ByteIOContext *pb = &s->pb;
553 AVIContext *avi = s->priv_data;
554 offset_t file_size, idx_chunk;
e738cee9 555 int i, n, nb_frames, au_byterate, au_ssize, au_scale;
ce9fce63 556 AVCodecContext *stream;
e738cee9 557 unsigned char tag[5];
ce9fce63
RS		 558
559 if (!url_is_streamed(pb)) {
546031ee 560 AVIIentry* ie = 0, *tie;
e738cee9 561 int entry[MAX_STREAMS];
546031ee 562 int empty, stream_id = -1;
e738cee9
RS		 563
564 idx_chunk = start_tag(pb, "idx1");
565 memset(&entry[0], 0, sizeof(entry));
566 do {
567 empty = 1;
568 for (i=0; i<s->nb_streams; i++) {
569 if (avi->indexes[i].entry <= entry[i])
570 continue;
571
572 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
573 if (empty || tie->pos < ie->pos) {
574 ie = tie;
575 stream_id = i;
576 }
577 empty = 0;
578 }
579 if (!empty) {
580 avi_stream2fourcc(&tag[0], stream_id,
581 s->streams[stream_id]->codec.codec_type);
582 put_tag(pb, &tag[0]);
583 put_le32(pb, ie->flags);
584 put_le32(pb, ie->pos);
585 put_le32(pb, ie->len);
586 entry[stream_id]++;
587 }
588 } while (!empty);
589 end_tag(pb, idx_chunk);
ce9fce63
RS		 590
591 /* Fill in frame/sample counters */
e738cee9 592 file_size = url_ftell(pb);
ce9fce63
RS		 593 nb_frames = 0;
594 for(n=0;n<s->nb_streams;n++) {
595 if (avi->frames_hdr_strm[n] != 0) {
596 stream = &s->streams[n]->codec;
597 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
598 if (stream->codec_type == CODEC_TYPE_VIDEO) {
599 put_le32(pb, stream->frame_number);
600 if (nb_frames < stream->frame_number)
601 nb_frames = stream->frame_number;
602 } else {
80783dc2 603 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63
RS		 604 put_le32(pb, stream->frame_number);
605 nb_frames += stream->frame_number;
606 } else {
607 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
608 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
609 }
610 }
611 }
612 }
613 if (avi->frames_hdr_all != 0) {
614 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
615 put_le32(pb, nb_frames);
616 }
617 url_fseek(pb, file_size, SEEK_SET);
618 }
619 return 0;
620}
621
e928649b 622static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
FB		 623{
624 AVIContext *avi = s->priv_data;
625 ByteIOContext *pb = &s->pb;
de6d9b64 626 unsigned char tag[5];
e928649b 627 unsigned int flags=0;
e928649b 628 const int stream_index= pkt->stream_index;
4904d6c2 629 AVCodecContext *enc= &s->streams[stream_index]->codec;
e928649b 630 int size= pkt->size;
ce9fce63 631
50c3dd32
MN		 632// av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
633 while(enc->codec_type == CODEC_TYPE_VIDEO && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
634 AVPacket empty_packet;
635
636 av_init_packet(&empty_packet);
637 empty_packet.size= 0;
638 empty_packet.data= NULL;
639 empty_packet.stream_index= stream_index;
640 avi_write_packet(s, &empty_packet);
641// av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
642 }
643 avi->packet_count[stream_index]++;
644
ce9fce63 645 if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) {
e738cee9
RS		 646 avi_write_ix(s);
647 end_tag(pb, avi->movi_list);
648
649 if (avi->riff_id == 1)
650 avi_write_idx1(s);
651
652 end_tag(pb, avi->riff_start);
ce9fce63
RS		 653 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
654 }
de6d9b64 655
e738cee9 656 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
e928649b
MN		 657 if(pkt->flags&PKT_FLAG_KEY)
658 flags = 0x10;
e738cee9 659 if (enc->codec_type == CODEC_TYPE_AUDIO) {
86bec9a1 660 avi->audio_strm_length[stream_index] += size;
e928649b 661 }
de6d9b64
FB		 662
663 if (!url_is_streamed(&s->pb)) {
e738cee9
RS		 664 AVIIndex* idx = &avi->indexes[stream_index];
665 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
666 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
667 if (idx->ents_allocated <= idx->entry) {
668 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
669 if (!idx->cluster)
670 return -1;
671 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
672 if (!idx->cluster[cl])
673 return -1;
674 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
675 }
676
677 idx->cluster[cl][id].flags = flags;
678 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
679 idx->cluster[cl][id].len = size;
680 idx->entry++;
de6d9b64
FB		 681 }
682
683 put_buffer(pb, tag, 4);
684 put_le32(pb, size);
e928649b 685 put_buffer(pb, pkt->data, size);
de6d9b64
FB		 686 if (size & 1)
687 put_byte(pb, 0);
688
689 put_flush_packet(pb);
690 return 0;
691}
692
693static int avi_write_trailer(AVFormatContext *s)
694{
de6d9b64 695 AVIContext *avi = s->priv_data;
ce9fce63
RS		 696 ByteIOContext *pb = &s->pb;
697 int res = 0;
e738cee9
RS		 698 int i, j, n, nb_frames;
699 offset_t file_size;
700
701 if (avi->riff_id == 1) {
702 end_tag(pb, avi->movi_list);
703 res = avi_write_idx1(s);
704 end_tag(pb, avi->riff_start);
705 } else {
706 avi_write_ix(s);
707 end_tag(pb, avi->movi_list);
708 end_tag(pb, avi->riff_start);
de6d9b64 709
de6d9b64 710 file_size = url_ftell(pb);
ce9fce63
RS		 711 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
712 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
713 url_fskip(pb, 16);
714
715 for (n=nb_frames=0;n<s->nb_streams;n++) {
716 AVCodecContext *stream = &s->streams[n]->codec;
717 if (stream->codec_type == CODEC_TYPE_VIDEO) {
718 if (nb_frames < stream->frame_number)
719 nb_frames = stream->frame_number;
720 } else {
80783dc2 721 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63 722 nb_frames += stream->frame_number;
86bec9a1
J		 723 }
724 }
ce9fce63
RS		 725 }
726 put_le32(pb, nb_frames);
ce9fce63 727 url_fseek(pb, file_size, SEEK_SET);
e738cee9 728 }
de6d9b64 729 put_flush_packet(pb);
e738cee9
RS		 730
731 for (i=0; i<MAX_STREAMS; i++) {
732 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
733 av_free(avi->indexes[i].cluster[j]);
734 av_free(avi->indexes[i].cluster);
735 avi->indexes[i].cluster = NULL;
736 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
737 }
738
ce9fce63 739 return res;
de6d9b64
FB		 740}
741
c9a65ca8 742static AVOutputFormat avi_oformat = {
de6d9b64
FB		 743 "avi",
744 "avi format",
745 "video/x-msvideo",
746 "avi",
c9a65ca8 747 sizeof(AVIContext),
de6d9b64 748 CODEC_ID_MP2,
22cf0455 749 CODEC_ID_MPEG4,
de6d9b64
FB		 750 avi_write_header,
751 avi_write_packet,
752 avi_write_trailer,
de6d9b64 753};
c9a65ca8
FB		 754
755int avienc_init(void)
756{
757 av_register_output_format(&avi_oformat);
758 return 0;
759}
764ef400 760#endif //CONFIG_ENCODERS
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