unused define
[libav.git] / libavformat / avienc.c
CommitLineData
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1/*
2 * AVI encoder.
19720f15 3 * Copyright (c) 2000 Fabrice Bellard.
de6d9b64 4 *
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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
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
de6d9b64 14 *
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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 */
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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;
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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;
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39} AVIIndex;
40
41typedef struct {
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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];
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47
48 AVIIndex indexes[MAX_STREAMS];
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49} AVIContext;
50
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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)
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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));
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72 url_fseek(pb, pos, SEEK_SET);
73}
764ef400 74#endif //CONFIG_ENCODERS
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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[] = {
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79 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
80
95c79a24
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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') },
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85
86 /* added based on MPlayer */
a05c8d71 87 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
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88 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
89
420370d4 90 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4')},
b1d89f82 91 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
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92 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
93 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
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94 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
95 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
58f26ba9 96 { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
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97
98 /* added based on MPlayer */
99 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
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100 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
101 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
102 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
2d2651f8 103 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
a05c8d71 104
b1d89f82 105 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
bb3debab 106 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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107
108 /* added based on MPlayer */
109 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
a05c8d71 110 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
a05c8d71 111 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
a05c8d71 112 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
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113 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
114 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
a05c8d71 115 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
a05c8d71 116
bb3debab 117 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
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118
119 /* added based on MPlayer */
120 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
a05c8d71 121
9b030d9d 122 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
a05c8d71 123
9b030d9d 124 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
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125
126 /* added based on MPlayer */
e23d5712 127 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
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128 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
129 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
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130 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
131 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
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132 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
133 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
b4c64c50 134 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
1cbc2890 135 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
6b17c988 136 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
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MN
137 { CODEC_ID_MPEG1VIDEO, 0x10000001 },
138 { CODEC_ID_MPEG2VIDEO, 0x10000002 },
afbb5ce4 139 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
bb15f7fd 140 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
ccafe7b1 141 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
5b9d235f 142 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
ccafe7b1 143 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
f560dd82 144 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
f37b9768 145 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
1e711bd6 146 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
e8750b00 147 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
e8b478c1 148 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
deabd4fd
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149 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
150 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
d86053a4 151 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
9ca9fce1 152 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
8d876a43 153 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
be3564ed 154 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
7408ad05 155 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
9e8cd0db 156 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
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MM
157 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
158 { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
159 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
160 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
161 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
162 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
163 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
164 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
165 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
b7cbfc23 166 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
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RT
167 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
168 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
791e7b83 169 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
7585aa5c 170 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
ee777235 171 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
d9171299 172 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
9d53d58e 173 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
d0a0bbd2 174 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
ab711b3c 175 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
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176 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
177 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
178 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
b636365a 179 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
9c7fb608 180 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
a8a15e9d 181 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
589f8220 182 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
856dbbff 183 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
627c50b7 184 { CODEC_ID_RAWVIDEO, 0 },
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185 { 0, 0 },
186};
187
a266644f 188unsigned int codec_get_tag(const CodecTag *tags, int id)
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189{
190 while (tags->id != 0) {
191 if (tags->id == id)
192 return tags->tag;
193 tags++;
194 }
195 return 0;
196}
197
7fea94ce 198static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
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199{
200 while (tags->id != 0) {
201 if (!tags->invalid_asf && tags->id == id)
202 return tags->tag;
203 tags++;
204 }
205 return 0;
206}
207
5d234974 208enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
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209{
210 while (tags->id != 0) {
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211 if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
212 && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
213 && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
214 && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
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215 return tags->id;
216 tags++;
217 }
5d234974 218 return CODEC_ID_NONE;
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219}
220
221unsigned int codec_get_bmp_tag(int id)
222{
223 return codec_get_tag(codec_bmp_tags, id);
224}
225
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226unsigned int codec_get_wav_tag(int id)
227{
228 return codec_get_tag(codec_wav_tags, id);
229}
230
231enum CodecID codec_get_bmp_id(unsigned int tag)
232{
233 return codec_get_id(codec_bmp_tags, tag);
234}
235
236enum CodecID codec_get_wav_id(unsigned int tag)
237{
238 return codec_get_id(codec_wav_tags, tag);
239}
240
764ef400 241#ifdef CONFIG_ENCODERS
de6d9b64 242/* BITMAPINFOHEADER header */
0570bf06 243void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
de6d9b64 244{
952c69c4 245 put_le32(pb, 40 + enc->extradata_size); /* size */
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246 put_le32(pb, enc->width);
247 put_le32(pb, enc->height);
248 put_le16(pb, 1); /* planes */
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249
250 put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
de6d9b64 251 /* compression type */
649b918c 252 put_le32(pb, for_asf ? (enc->codec_tag ? enc->codec_tag : codec_get_asf_tag(tags, enc->codec_id)) : enc->codec_tag); //
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253 put_le32(pb, enc->width * enc->height * 3);
254 put_le32(pb, 0);
255 put_le32(pb, 0);
256 put_le32(pb, 0);
257 put_le32(pb, 0);
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258
259 put_buffer(pb, enc->extradata, enc->extradata_size);
260
261 if (enc->extradata_size & 1)
262 put_byte(pb, 0);
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263}
264
359fa0fe 265static void parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
86bec9a1 266{
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MN
267 int gcd;
268
269 *au_ssize= stream->block_align;
270 if(stream->frame_size && stream->sample_rate){
271 *au_scale=stream->frame_size;
272 *au_rate= stream->sample_rate;
273 }else if(stream->codec_type == CODEC_TYPE_VIDEO){
274 *au_scale= stream->frame_rate_base;
275 *au_rate = stream->frame_rate;
276 }else{
277 *au_scale= stream->block_align ? stream->block_align*8 : 8;
278 *au_rate = stream->bit_rate;
86bec9a1 279 }
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280 gcd= ff_gcd(*au_scale, *au_rate);
281 *au_scale /= gcd;
282 *au_rate /= gcd;
86bec9a1
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283}
284
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285static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
286 const char* riff_tag, const char* list_tag)
287{
288 offset_t loff;
e738cee9
RS
289 int i;
290
291 avi->riff_id++;
292 for (i=0; i<MAX_STREAMS; i++)
293 avi->indexes[i].entry = 0;
294
ce9fce63
RS
295 avi->riff_start = start_tag(pb, "RIFF");
296 put_tag(pb, riff_tag);
297 loff = start_tag(pb, "LIST");
298 put_tag(pb, list_tag);
299 return loff;
300}
301
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RS
302static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
303 enum CodecType type)
304{
305 tag[0] = '0';
306 tag[1] = '0' + index;
307 if (type == CODEC_TYPE_VIDEO) {
308 tag[2] = 'd';
309 tag[3] = 'c';
310 } else {
311 tag[2] = 'w';
312 tag[3] = 'b';
313 }
314 tag[4] = '\0';
315 return tag;
316}
317
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318static int avi_write_header(AVFormatContext *s)
319{
c9a65ca8 320 AVIContext *avi = s->priv_data;
de6d9b64 321 ByteIOContext *pb = &s->pb;
86bec9a1 322 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
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FB
323 AVCodecContext *stream, *video_enc;
324 offset_t list1, list2, strh, strf;
325
de6d9b64 326 /* header list */
e738cee9 327 avi->riff_id = 0;
ce9fce63 328 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
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329
330 /* avi header */
331 put_tag(pb, "avih");
332 put_le32(pb, 14 * 4);
333 bitrate = 0;
334
335 video_enc = NULL;
336 for(n=0;n<s->nb_streams;n++) {
337 stream = &s->streams[n]->codec;
338 bitrate += stream->bit_rate;
339 if (stream->codec_type == CODEC_TYPE_VIDEO)
340 video_enc = stream;
341 }
342
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343 nb_frames = 0;
344
850742d7 345 if(video_enc){
14bea432 346 put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->frame_rate_base / video_enc->frame_rate));
850742d7
AR
347 } else {
348 put_le32(pb, 0);
349 }
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350 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
351 put_le32(pb, 0); /* padding */
352 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
86bec9a1 353 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
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354 put_le32(pb, nb_frames); /* nb frames, filled later */
355 put_le32(pb, 0); /* initial frame */
356 put_le32(pb, s->nb_streams); /* nb streams */
357 put_le32(pb, 1024 * 1024); /* suggested buffer size */
850742d7 358 if(video_enc){
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359 put_le32(pb, video_enc->width);
360 put_le32(pb, video_enc->height);
850742d7
AR
361 } else {
362 put_le32(pb, 0);
363 put_le32(pb, 0);
364 }
de6d9b64
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365 put_le32(pb, 0); /* reserved */
366 put_le32(pb, 0); /* reserved */
367 put_le32(pb, 0); /* reserved */
368 put_le32(pb, 0); /* reserved */
369
370 /* stream list */
371 for(i=0;i<n;i++) {
372 list2 = start_tag(pb, "LIST");
373 put_tag(pb, "strl");
374
375 stream = &s->streams[i]->codec;
376
e8750b00
FR
377 /* FourCC should really be set by the codec itself */
378 if (! stream->codec_tag) {
379 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
380 }
381
de6d9b64
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382 /* stream generic header */
383 strh = start_tag(pb, "strh");
384 switch(stream->codec_type) {
385 case CODEC_TYPE_VIDEO:
386 put_tag(pb, "vids");
e8750b00 387 put_le32(pb, stream->codec_tag);
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388 put_le32(pb, 0); /* flags */
389 put_le16(pb, 0); /* priority */
390 put_le16(pb, 0); /* language */
391 put_le32(pb, 0); /* initial frame */
b559b29b 392
14bea432
MN
393 put_le32(pb, stream->frame_rate_base); /* scale */
394 put_le32(pb, stream->frame_rate); /* rate */
50c3dd32 395 av_set_pts_info(s->streams[i], 64, stream->frame_rate_base, stream->frame_rate);
b559b29b 396
de6d9b64 397 put_le32(pb, 0); /* start */
86bec9a1 398 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
FB
399 put_le32(pb, nb_frames); /* length, XXX: fill later */
400 put_le32(pb, 1024 * 1024); /* suggested buffer size */
86bec9a1 401 put_le32(pb, -1); /* quality */
4a7d2651 402 put_le32(pb, 0); /* sample size */
de6d9b64
FB
403 put_le16(pb, 0);
404 put_le16(pb, 0);
405 put_le16(pb, stream->width);
406 put_le16(pb, stream->height);
407 break;
408 case CODEC_TYPE_AUDIO:
409 put_tag(pb, "auds");
86bec9a1 410 put_le32(pb, 1); /* tag */
de6d9b64
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411 put_le32(pb, 0); /* flags */
412 put_le16(pb, 0); /* priority */
413 put_le16(pb, 0); /* language */
414 put_le32(pb, 0); /* initial frame */
86bec9a1
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415 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
416 put_le32(pb, au_scale); /* scale */
417 put_le32(pb, au_byterate); /* rate */
b6c7f870 418 av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
de6d9b64 419 put_le32(pb, 0); /* start */
86bec9a1 420 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
de6d9b64
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421 put_le32(pb, 0); /* length, XXX: filled later */
422 put_le32(pb, 12 * 1024); /* suggested buffer size */
423 put_le32(pb, -1); /* quality */
86bec9a1 424 put_le32(pb, au_ssize); /* sample size */
de6d9b64
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425 put_le32(pb, 0);
426 put_le32(pb, 0);
427 break;
53cafac0 428 default:
71c32f19 429 return -1;
de6d9b64
FB
430 }
431 end_tag(pb, strh);
432
433 strf = start_tag(pb, "strf");
434 switch(stream->codec_type) {
435 case CODEC_TYPE_VIDEO:
2727c35e 436 put_bmp_header(pb, stream, codec_bmp_tags, 0);
de6d9b64
FB
437 break;
438 case CODEC_TYPE_AUDIO:
46a3d068 439 if (put_wav_header(pb, stream) < 0) {
1ea4f593 440 av_free(avi);
46a3d068
FB
441 return -1;
442 }
de6d9b64 443 break;
53cafac0 444 default:
71c32f19 445 return -1;
de6d9b64
FB
446 }
447 end_tag(pb, strf);
e738cee9
RS
448
449 if (!url_is_streamed(pb)) {
450 unsigned char tag[5];
8c0ff5d5 451 int j;
e738cee9
RS
452
453 /* Starting to lay out AVI OpenDML master index.
454 * We want to make it JUNK entry for now, since we'd
8c0ff5d5 455 * like to get away without making AVI an OpenDML one
e738cee9
RS
456 * for compatibility reasons.
457 */
458 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
459 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
460 put_le16(pb, 4); /* wLongsPerEntry */
461 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
462 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
463 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
464 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
465 /* dwChunkId */
466 put_le64(pb, 0); /* dwReserved[3]
467 put_le32(pb, 0); Must be 0. */
8c0ff5d5
RS
468 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
469 put_le64(pb, 0);
e738cee9
RS
470 end_tag(pb, avi->indexes[i].indx_start);
471 }
472
de6d9b64
FB
473 end_tag(pb, list2);
474 }
ce9fce63 475
e738cee9
RS
476 if (!url_is_streamed(pb)) {
477 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
478 avi->odml_list = start_tag(pb, "JUNK");
479 put_tag(pb, "odml");
480 put_tag(pb, "dmlh");
481 put_le32(pb, 248);
482 for (i = 0; i < 248; i+= 4)
483 put_le32(pb, 0);
484 end_tag(pb, avi->odml_list);
485 }
de6d9b64
FB
486
487 end_tag(pb, list1);
488
489 avi->movi_list = start_tag(pb, "LIST");
de6d9b64
FB
490 put_tag(pb, "movi");
491
492 put_flush_packet(pb);
493
494 return 0;
495}
496
e738cee9
RS
497static int avi_write_ix(AVFormatContext *s)
498{
499 ByteIOContext *pb = &s->pb;
500 AVIContext *avi = s->priv_data;
501 unsigned char tag[5];
502 unsigned char ix_tag[] = "ix00";
503 int i, j;
504
505 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
506 return -1;
507
508 for (i=0;i<s->nb_streams;i++) {
509 offset_t ix, pos;
510
511 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec.codec_type);
512 ix_tag[3] = '0' + i;
513
514 /* Writing AVI OpenDML leaf index chunk */
515 ix = url_ftell(pb);
516 put_tag(pb, &ix_tag[0]); /* ix?? */
517 put_le32(pb, avi->indexes[i].entry * 8 + 24);
518 /* chunk size */
519 put_le16(pb, 2); /* wLongsPerEntry */
520 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
521 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
522 put_le32(pb, avi->indexes[i].entry);
523 /* nEntriesInUse */
524 put_tag(pb, &tag[0]); /* dwChunkId */
525 put_le64(pb, avi->movi_list);/* qwBaseOffset */
526 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
527
528 for (j=0; j<avi->indexes[i].entry; j++) {
529 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
530 put_le32(pb, ie->pos + 8);
531 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
532 (ie->flags & 0x10 ? 0 : 0x80000000));
533 }
534 put_flush_packet(pb);
535 pos = url_ftell(pb);
536
537 /* Updating one entry in the AVI OpenDML master index */
538 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
539 put_tag(pb, "indx"); /* enabling this entry */
540 url_fskip(pb, 8);
541 put_le32(pb, avi->riff_id); /* nEntriesInUse */
542 url_fskip(pb, 16*avi->riff_id);
543 put_le64(pb, ix); /* qwOffset */
544 put_le32(pb, pos - ix); /* dwSize */
545 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
546
547 url_fseek(pb, pos, SEEK_SET);
548 }
549 return 0;
550}
551
552static int avi_write_idx1(AVFormatContext *s)
ce9fce63
RS
553{
554 ByteIOContext *pb = &s->pb;
555 AVIContext *avi = s->priv_data;
556 offset_t file_size, idx_chunk;
e738cee9 557 int i, n, nb_frames, au_byterate, au_ssize, au_scale;
ce9fce63 558 AVCodecContext *stream;
e738cee9 559 unsigned char tag[5];
ce9fce63
RS
560
561 if (!url_is_streamed(pb)) {
546031ee 562 AVIIentry* ie = 0, *tie;
e738cee9 563 int entry[MAX_STREAMS];
546031ee 564 int empty, stream_id = -1;
e738cee9
RS
565
566 idx_chunk = start_tag(pb, "idx1");
567 memset(&entry[0], 0, sizeof(entry));
568 do {
569 empty = 1;
570 for (i=0; i<s->nb_streams; i++) {
571 if (avi->indexes[i].entry <= entry[i])
572 continue;
573
574 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
575 if (empty || tie->pos < ie->pos) {
576 ie = tie;
577 stream_id = i;
578 }
579 empty = 0;
580 }
581 if (!empty) {
582 avi_stream2fourcc(&tag[0], stream_id,
583 s->streams[stream_id]->codec.codec_type);
584 put_tag(pb, &tag[0]);
585 put_le32(pb, ie->flags);
586 put_le32(pb, ie->pos);
587 put_le32(pb, ie->len);
588 entry[stream_id]++;
589 }
590 } while (!empty);
591 end_tag(pb, idx_chunk);
ce9fce63
RS
592
593 /* Fill in frame/sample counters */
e738cee9 594 file_size = url_ftell(pb);
ce9fce63
RS
595 nb_frames = 0;
596 for(n=0;n<s->nb_streams;n++) {
597 if (avi->frames_hdr_strm[n] != 0) {
598 stream = &s->streams[n]->codec;
599 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
359fa0fe
MN
600 parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
601 if (au_ssize == 0) {
602 put_le32(pb, stream->frame_number);
603 nb_frames += stream->frame_number;
ce9fce63 604 } else {
359fa0fe 605 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
ce9fce63
RS
606 }
607 }
608 }
609 if (avi->frames_hdr_all != 0) {
610 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
611 put_le32(pb, nb_frames);
612 }
613 url_fseek(pb, file_size, SEEK_SET);
614 }
615 return 0;
616}
617
e928649b 618static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
FB
619{
620 AVIContext *avi = s->priv_data;
621 ByteIOContext *pb = &s->pb;
de6d9b64 622 unsigned char tag[5];
e928649b 623 unsigned int flags=0;
e928649b 624 const int stream_index= pkt->stream_index;
4904d6c2 625 AVCodecContext *enc= &s->streams[stream_index]->codec;
e928649b 626 int size= pkt->size;
ce9fce63 627
50c3dd32 628// av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
16543599 629 while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
50c3dd32
MN
630 AVPacket empty_packet;
631
632 av_init_packet(&empty_packet);
633 empty_packet.size= 0;
634 empty_packet.data= NULL;
635 empty_packet.stream_index= stream_index;
636 avi_write_packet(s, &empty_packet);
637// av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
638 }
639 avi->packet_count[stream_index]++;
640
ce9fce63 641 if (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE) {
e738cee9
RS
642 avi_write_ix(s);
643 end_tag(pb, avi->movi_list);
644
645 if (avi->riff_id == 1)
646 avi_write_idx1(s);
647
648 end_tag(pb, avi->riff_start);
ce9fce63
RS
649 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
650 }
de6d9b64 651
e738cee9 652 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
e928649b
MN
653 if(pkt->flags&PKT_FLAG_KEY)
654 flags = 0x10;
e738cee9 655 if (enc->codec_type == CODEC_TYPE_AUDIO) {
86bec9a1 656 avi->audio_strm_length[stream_index] += size;
e928649b 657 }
de6d9b64
FB
658
659 if (!url_is_streamed(&s->pb)) {
e738cee9
RS
660 AVIIndex* idx = &avi->indexes[stream_index];
661 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
662 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
663 if (idx->ents_allocated <= idx->entry) {
664 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
665 if (!idx->cluster)
666 return -1;
667 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
668 if (!idx->cluster[cl])
669 return -1;
670 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
671 }
672
673 idx->cluster[cl][id].flags = flags;
674 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
675 idx->cluster[cl][id].len = size;
676 idx->entry++;
de6d9b64
FB
677 }
678
679 put_buffer(pb, tag, 4);
680 put_le32(pb, size);
e928649b 681 put_buffer(pb, pkt->data, size);
de6d9b64
FB
682 if (size & 1)
683 put_byte(pb, 0);
684
685 put_flush_packet(pb);
686 return 0;
687}
688
689static int avi_write_trailer(AVFormatContext *s)
690{
de6d9b64 691 AVIContext *avi = s->priv_data;
ce9fce63
RS
692 ByteIOContext *pb = &s->pb;
693 int res = 0;
e738cee9
RS
694 int i, j, n, nb_frames;
695 offset_t file_size;
696
697 if (avi->riff_id == 1) {
698 end_tag(pb, avi->movi_list);
699 res = avi_write_idx1(s);
700 end_tag(pb, avi->riff_start);
701 } else {
702 avi_write_ix(s);
703 end_tag(pb, avi->movi_list);
704 end_tag(pb, avi->riff_start);
de6d9b64 705
de6d9b64 706 file_size = url_ftell(pb);
ce9fce63
RS
707 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
708 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
709 url_fskip(pb, 16);
710
711 for (n=nb_frames=0;n<s->nb_streams;n++) {
712 AVCodecContext *stream = &s->streams[n]->codec;
713 if (stream->codec_type == CODEC_TYPE_VIDEO) {
714 if (nb_frames < stream->frame_number)
715 nb_frames = stream->frame_number;
716 } else {
80783dc2 717 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63 718 nb_frames += stream->frame_number;
86bec9a1
J
719 }
720 }
ce9fce63
RS
721 }
722 put_le32(pb, nb_frames);
ce9fce63 723 url_fseek(pb, file_size, SEEK_SET);
e738cee9 724 }
de6d9b64 725 put_flush_packet(pb);
e738cee9
RS
726
727 for (i=0; i<MAX_STREAMS; i++) {
728 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
729 av_free(avi->indexes[i].cluster[j]);
730 av_free(avi->indexes[i].cluster);
731 avi->indexes[i].cluster = NULL;
732 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
733 }
734
ce9fce63 735 return res;
de6d9b64
FB
736}
737
c9a65ca8 738static AVOutputFormat avi_oformat = {
de6d9b64
FB
739 "avi",
740 "avi format",
741 "video/x-msvideo",
742 "avi",
c9a65ca8 743 sizeof(AVIContext),
de6d9b64 744 CODEC_ID_MP2,
22cf0455 745 CODEC_ID_MPEG4,
de6d9b64
FB
746 avi_write_header,
747 avi_write_packet,
748 avi_write_trailer,
de6d9b64 749};
c9a65ca8
FB
750
751int avienc_init(void)
752{
753 av_register_output_format(&avi_oformat);
754 return 0;
755}
764ef400 756#endif //CONFIG_ENCODERS