Reportedly FFmpeg fails to compile on Cygwin with vhook enabled, but FFserver
[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/*
115329f1 23 * TODO:
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24 * - fill all fields if non streamed (nb_frames for example)
25 */
26
a9e35095 27#ifdef CONFIG_MUXERS
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
115329f1 51static inline AVIIentry* avi_get_ientry(AVIIndex* idx, int ent_id)
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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}
a9e35095 74#endif //CONFIG_MUXERS
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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[] = {
cc15c931 79 { CODEC_ID_H264, MKTAG('H', '2', '6', '4') },
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80 { CODEC_ID_H264, MKTAG('h', '2', '6', '4') },
81 { CODEC_ID_H264, MKTAG('X', '2', '6', '4') },
82 { CODEC_ID_H264, MKTAG('x', '2', '6', '4') },
83 { CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
7dc1bea3 84 { CODEC_ID_H264, MKTAG('V', 'S', 'S', 'H') },
cc15c931 85
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86 { CODEC_ID_H263, MKTAG('H', '2', '6', '3') },
87 { CODEC_ID_H263P, MKTAG('H', '2', '6', '3') },
de6d9b64 88 { CODEC_ID_H263I, MKTAG('I', '2', '6', '3') }, /* intel h263 */
c931e608 89 { CODEC_ID_H261, MKTAG('H', '2', '6', '1') },
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90
91 /* added based on MPlayer */
a05c8d71 92 { CODEC_ID_H263P, MKTAG('U', '2', '6', '3') },
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93 { CODEC_ID_H263P, MKTAG('v', 'i', 'v', '1') },
94
420370d4 95 { CODEC_ID_MPEG4, MKTAG('F', 'M', 'P', '4')},
b1d89f82 96 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', 'X'), .invalid_asf = 1 },
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97 { CODEC_ID_MPEG4, MKTAG('D', 'X', '5', '0'), .invalid_asf = 1 },
98 { CODEC_ID_MPEG4, MKTAG('X', 'V', 'I', 'D'), .invalid_asf = 1 },
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99 { CODEC_ID_MPEG4, MKTAG('M', 'P', '4', 'S') },
100 { CODEC_ID_MPEG4, MKTAG('M', '4', 'S', '2') },
58f26ba9 101 { CODEC_ID_MPEG4, MKTAG(0x04, 0, 0, 0) }, /* some broken avi use this */
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102
103 /* added based on MPlayer */
104 { CODEC_ID_MPEG4, MKTAG('D', 'I', 'V', '1') },
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105 { CODEC_ID_MPEG4, MKTAG('B', 'L', 'Z', '0') },
106 { CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
107 { CODEC_ID_MPEG4, MKTAG('U', 'M', 'P', '4') },
2d2651f8 108 { CODEC_ID_MPEG4, MKTAG('W', 'V', '1', 'F') },
a05c8d71 109
b1d89f82 110 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '3'), .invalid_asf = 1 }, /* default signature when using MSMPEG4 */
115329f1 111 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', '4', '3') },
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112
113 /* added based on MPlayer */
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114 { CODEC_ID_MSMPEG4V3, MKTAG('M', 'P', 'G', '3') },
115 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '5') },
116 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '6') },
117 { CODEC_ID_MSMPEG4V3, MKTAG('D', 'I', 'V', '4') },
118 { CODEC_ID_MSMPEG4V3, MKTAG('A', 'P', '4', '1') },
119 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '1') },
120 { CODEC_ID_MSMPEG4V3, MKTAG('C', 'O', 'L', '0') },
a05c8d71 121
115329f1 122 { CODEC_ID_MSMPEG4V2, MKTAG('M', 'P', '4', '2') },
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123
124 /* added based on MPlayer */
125 { CODEC_ID_MSMPEG4V2, MKTAG('D', 'I', 'V', '2') },
a05c8d71 126
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127 { CODEC_ID_MSMPEG4V1, MKTAG('M', 'P', 'G', '4') },
128
129 { CODEC_ID_WMV1, MKTAG('W', 'M', 'V', '1') },
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130
131 /* added based on MPlayer */
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132 { CODEC_ID_WMV2, MKTAG('W', 'M', 'V', '2') },
133 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'd') },
134 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'h', 'd') },
135 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', 's', 'l') },
ce9fce63 136 { CODEC_ID_DVVIDEO, MKTAG('d', 'v', '2', '5') },
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137 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '1') },
138 { CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', 'g', '2') },
139 { CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', 'g', '2') },
140 { CODEC_ID_MPEG1VIDEO, MKTAG('P', 'I', 'M', '1') },
141 { CODEC_ID_MPEG1VIDEO, MKTAG('V', 'C', 'R', '2') },
142 { CODEC_ID_MPEG1VIDEO, 0x10000001 },
143 { CODEC_ID_MPEG2VIDEO, 0x10000002 },
afbb5ce4 144 { CODEC_ID_MPEG2VIDEO, MKTAG('D', 'V', 'R', ' ') },
bb15f7fd 145 { CODEC_ID_MJPEG, MKTAG('M', 'J', 'P', 'G') },
ccafe7b1 146 { CODEC_ID_MJPEG, MKTAG('L', 'J', 'P', 'G') },
5b9d235f 147 { CODEC_ID_LJPEG, MKTAG('L', 'J', 'P', 'G') },
ccafe7b1 148 { CODEC_ID_MJPEG, MKTAG('J', 'P', 'G', 'L') }, /* Pegasus lossless JPEG */
f560dd82 149 { CODEC_ID_HUFFYUV, MKTAG('H', 'F', 'Y', 'U') },
f37b9768 150 { CODEC_ID_FFVHUFF, MKTAG('F', 'F', 'V', 'H') },
1e711bd6 151 { CODEC_ID_CYUV, MKTAG('C', 'Y', 'U', 'V') },
e8b478c1 152 { CODEC_ID_RAWVIDEO, MKTAG('I', '4', '2', '0') },
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153 { CODEC_ID_RAWVIDEO, MKTAG('Y', 'U', 'Y', '2') },
154 { CODEC_ID_RAWVIDEO, MKTAG('Y', '4', '2', '2') },
155 { CODEC_ID_RAWVIDEO, MKTAG('U', 'Y', 'V', 'Y') },
156 { CODEC_ID_RAWVIDEO, MKTAG('I', 'Y', 'U', 'V') },
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157 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '1') },
158 { CODEC_ID_INDEO3, MKTAG('I', 'V', '3', '2') },
d86053a4 159 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '1') },
d3f28f05 160 { CODEC_ID_VP3, MKTAG('V', 'P', '3', '0') },
9ca9fce1 161 { CODEC_ID_ASV1, MKTAG('A', 'S', 'V', '1') },
8d876a43 162 { CODEC_ID_ASV2, MKTAG('A', 'S', 'V', '2') },
be3564ed 163 { CODEC_ID_VCR1, MKTAG('V', 'C', 'R', '1') },
7408ad05 164 { CODEC_ID_FFV1, MKTAG('F', 'F', 'V', '1') },
9e8cd0db 165 { CODEC_ID_XAN_WC4, MKTAG('X', 'x', 'a', 'n') },
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166 { CODEC_ID_MSRLE, MKTAG('m', 'r', 'l', 'e') },
167 { CODEC_ID_MSRLE, MKTAG(0x1, 0x0, 0x0, 0x0) },
168 { CODEC_ID_MSVIDEO1, MKTAG('M', 'S', 'V', 'C') },
169 { CODEC_ID_MSVIDEO1, MKTAG('m', 's', 'v', 'c') },
170 { CODEC_ID_MSVIDEO1, MKTAG('C', 'R', 'A', 'M') },
171 { CODEC_ID_MSVIDEO1, MKTAG('c', 'r', 'a', 'm') },
172 { CODEC_ID_MSVIDEO1, MKTAG('W', 'H', 'A', 'M') },
173 { CODEC_ID_MSVIDEO1, MKTAG('w', 'h', 'a', 'm') },
174 { CODEC_ID_CINEPAK, MKTAG('c', 'v', 'i', 'd') },
b7cbfc23 175 { CODEC_ID_TRUEMOTION1, MKTAG('D', 'U', 'C', 'K') },
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176 { CODEC_ID_MSZH, MKTAG('M', 'S', 'Z', 'H') },
177 { CODEC_ID_ZLIB, MKTAG('Z', 'L', 'I', 'B') },
791e7b83 178 { CODEC_ID_SNOW, MKTAG('S', 'N', 'O', 'W') },
7585aa5c 179 { CODEC_ID_4XM, MKTAG('4', 'X', 'M', 'V') },
ee777235 180 { CODEC_ID_FLV1, MKTAG('F', 'L', 'V', '1') },
d9171299 181 { CODEC_ID_SVQ1, MKTAG('s', 'v', 'q', '1') },
9d53d58e 182 { CODEC_ID_TSCC, MKTAG('t', 's', 'c', 'c') },
d0a0bbd2 183 { CODEC_ID_ULTI, MKTAG('U', 'L', 'T', 'I') },
ab711b3c 184 { CODEC_ID_VIXL, MKTAG('V', 'I', 'X', 'L') },
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185 { CODEC_ID_QPEG, MKTAG('Q', 'P', 'E', 'G') },
186 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
187 { CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
b636365a 188 { CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
9c7fb608 189 { CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
a8a15e9d 190 { CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
589f8220 191 { CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },
856dbbff 192 { CODEC_ID_INDEO2, MKTAG('R', 'T', '2', '1') },
b81f8949 193 { CODEC_ID_FRAPS, MKTAG('F', 'P', 'S', '1') },
3a1d8db3 194 { CODEC_ID_THEORA, MKTAG('t', 'h', 'e', 'o') },
64af6168 195 { CODEC_ID_TRUEMOTION2, MKTAG('T', 'M', '2', '0') },
627c50b7 196 { CODEC_ID_RAWVIDEO, 0 },
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197 { 0, 0 },
198};
199
a266644f 200unsigned int codec_get_tag(const CodecTag *tags, int id)
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201{
202 while (tags->id != 0) {
203 if (tags->id == id)
204 return tags->tag;
205 tags++;
206 }
207 return 0;
208}
209
7fea94ce 210static unsigned int codec_get_asf_tag(const CodecTag *tags, unsigned int id)
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211{
212 while (tags->id != 0) {
213 if (!tags->invalid_asf && tags->id == id)
214 return tags->tag;
215 tags++;
216 }
217 return 0;
218}
219
5d234974 220enum CodecID codec_get_id(const CodecTag *tags, unsigned int tag)
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221{
222 while (tags->id != 0) {
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223 if( toupper((tag >> 0)&0xFF) == toupper((tags->tag >> 0)&0xFF)
224 && toupper((tag >> 8)&0xFF) == toupper((tags->tag >> 8)&0xFF)
225 && toupper((tag >>16)&0xFF) == toupper((tags->tag >>16)&0xFF)
226 && toupper((tag >>24)&0xFF) == toupper((tags->tag >>24)&0xFF))
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227 return tags->id;
228 tags++;
229 }
5d234974 230 return CODEC_ID_NONE;
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231}
232
233unsigned int codec_get_bmp_tag(int id)
234{
235 return codec_get_tag(codec_bmp_tags, id);
236}
237
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238unsigned int codec_get_wav_tag(int id)
239{
240 return codec_get_tag(codec_wav_tags, id);
241}
242
243enum CodecID codec_get_bmp_id(unsigned int tag)
244{
245 return codec_get_id(codec_bmp_tags, tag);
246}
247
248enum CodecID codec_get_wav_id(unsigned int tag)
249{
250 return codec_get_id(codec_wav_tags, tag);
251}
252
a9e35095 253#ifdef CONFIG_MUXERS
de6d9b64 254/* BITMAPINFOHEADER header */
0570bf06 255void put_bmp_header(ByteIOContext *pb, AVCodecContext *enc, const CodecTag *tags, int for_asf)
de6d9b64 256{
952c69c4 257 put_le32(pb, 40 + enc->extradata_size); /* size */
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258 put_le32(pb, enc->width);
259 put_le32(pb, enc->height);
260 put_le16(pb, 1); /* planes */
115329f1 261
952c69c4 262 put_le16(pb, enc->bits_per_sample ? enc->bits_per_sample : 24); /* depth */
de6d9b64 263 /* compression type */
649b918c 264 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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265 put_le32(pb, enc->width * enc->height * 3);
266 put_le32(pb, 0);
267 put_le32(pb, 0);
268 put_le32(pb, 0);
269 put_le32(pb, 0);
115329f1 270
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271 put_buffer(pb, enc->extradata, enc->extradata_size);
272
273 if (enc->extradata_size & 1)
274 put_byte(pb, 0);
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275}
276
1d92cc2b 277void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale)
86bec9a1 278{
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279 int gcd;
280
281 *au_ssize= stream->block_align;
282 if(stream->frame_size && stream->sample_rate){
283 *au_scale=stream->frame_size;
284 *au_rate= stream->sample_rate;
285 }else if(stream->codec_type == CODEC_TYPE_VIDEO){
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286 *au_scale= stream->time_base.num;
287 *au_rate = stream->time_base.den;
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288 }else{
289 *au_scale= stream->block_align ? stream->block_align*8 : 8;
290 *au_rate = stream->bit_rate;
86bec9a1 291 }
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292 gcd= ff_gcd(*au_scale, *au_rate);
293 *au_scale /= gcd;
294 *au_rate /= gcd;
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295}
296
115329f1 297static offset_t avi_start_new_riff(AVIContext *avi, ByteIOContext *pb,
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298 const char* riff_tag, const char* list_tag)
299{
300 offset_t loff;
e738cee9 301 int i;
115329f1 302
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303 avi->riff_id++;
304 for (i=0; i<MAX_STREAMS; i++)
305 avi->indexes[i].entry = 0;
115329f1 306
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307 avi->riff_start = start_tag(pb, "RIFF");
308 put_tag(pb, riff_tag);
309 loff = start_tag(pb, "LIST");
310 put_tag(pb, list_tag);
311 return loff;
312}
313
115329f1 314static unsigned char* avi_stream2fourcc(unsigned char* tag, int index,
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315 enum CodecType type)
316{
317 tag[0] = '0';
318 tag[1] = '0' + index;
319 if (type == CODEC_TYPE_VIDEO) {
320 tag[2] = 'd';
321 tag[3] = 'c';
322 } else {
323 tag[2] = 'w';
324 tag[3] = 'b';
325 }
326 tag[4] = '\0';
327 return tag;
328}
329
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330static int avi_write_header(AVFormatContext *s)
331{
c9a65ca8 332 AVIContext *avi = s->priv_data;
de6d9b64 333 ByteIOContext *pb = &s->pb;
86bec9a1 334 int bitrate, n, i, nb_frames, au_byterate, au_ssize, au_scale;
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335 AVCodecContext *stream, *video_enc;
336 offset_t list1, list2, strh, strf;
337
de6d9b64 338 /* header list */
e738cee9 339 avi->riff_id = 0;
ce9fce63 340 list1 = avi_start_new_riff(avi, pb, "AVI ", "hdrl");
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341
342 /* avi header */
343 put_tag(pb, "avih");
344 put_le32(pb, 14 * 4);
345 bitrate = 0;
346
347 video_enc = NULL;
348 for(n=0;n<s->nb_streams;n++) {
01f4895c 349 stream = s->streams[n]->codec;
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350 bitrate += stream->bit_rate;
351 if (stream->codec_type == CODEC_TYPE_VIDEO)
352 video_enc = stream;
353 }
115329f1 354
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355 nb_frames = 0;
356
850742d7 357 if(video_enc){
c0df9d75 358 put_le32(pb, (uint32_t)(int64_t_C(1000000) * video_enc->time_base.num / video_enc->time_base.den));
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359 } else {
360 put_le32(pb, 0);
361 }
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362 put_le32(pb, bitrate / 8); /* XXX: not quite exact */
363 put_le32(pb, 0); /* padding */
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364 if (url_is_streamed(pb))
365 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_ISINTERLEAVED); /* flags */
366 else
367 put_le32(pb, AVIF_TRUSTCKTYPE | AVIF_HASINDEX | AVIF_ISINTERLEAVED); /* flags */
86bec9a1 368 avi->frames_hdr_all = url_ftell(pb); /* remember this offset to fill later */
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369 put_le32(pb, nb_frames); /* nb frames, filled later */
370 put_le32(pb, 0); /* initial frame */
371 put_le32(pb, s->nb_streams); /* nb streams */
372 put_le32(pb, 1024 * 1024); /* suggested buffer size */
115329f1 373 if(video_enc){
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374 put_le32(pb, video_enc->width);
375 put_le32(pb, video_enc->height);
850742d7
AR
376 } else {
377 put_le32(pb, 0);
378 put_le32(pb, 0);
115329f1 379 }
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380 put_le32(pb, 0); /* reserved */
381 put_le32(pb, 0); /* reserved */
382 put_le32(pb, 0); /* reserved */
383 put_le32(pb, 0); /* reserved */
115329f1 384
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385 /* stream list */
386 for(i=0;i<n;i++) {
387 list2 = start_tag(pb, "LIST");
388 put_tag(pb, "strl");
115329f1 389
01f4895c 390 stream = s->streams[i]->codec;
de6d9b64 391
e8750b00
FR
392 /* FourCC should really be set by the codec itself */
393 if (! stream->codec_tag) {
394 stream->codec_tag = codec_get_bmp_tag(stream->codec_id);
395 }
396
de6d9b64
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397 /* stream generic header */
398 strh = start_tag(pb, "strh");
399 switch(stream->codec_type) {
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MN
400 case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break;
401 case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break;
402// case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break;
403 case CODEC_TYPE_DATA : put_tag(pb, "dats"); break;
de6d9b64 404 }
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405 if(stream->codec_type == CODEC_TYPE_VIDEO)
406 put_le32(pb, stream->codec_tag);
407 else
408 put_le32(pb, 1);
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 */
413
414 ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
415
416 put_le32(pb, au_scale); /* scale */
417 put_le32(pb, au_byterate); /* rate */
418 av_set_pts_info(s->streams[i], 64, au_scale, au_byterate);
419
420 put_le32(pb, 0); /* start */
421 avi->frames_hdr_strm[i] = url_ftell(pb); /* remember this offset to fill later */
a2a2668d
AB
422 if (url_is_streamed(pb))
423 put_le32(pb, AVI_MAX_RIFF_SIZE); /* FIXME: this may be broken, but who cares */
424 else
425 put_le32(pb, 0); /* length, XXX: filled later */
115329f1 426
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427 /* suggested buffer size */ //FIXME set at the end to largest chunk
428 if(stream->codec_type == CODEC_TYPE_VIDEO)
115329f1 429 put_le32(pb, 1024 * 1024);
1d92cc2b 430 else if(stream->codec_type == CODEC_TYPE_AUDIO)
115329f1 431 put_le32(pb, 12 * 1024);
1d92cc2b 432 else
115329f1 433 put_le32(pb, 0);
1d92cc2b
MN
434 put_le32(pb, -1); /* quality */
435 put_le32(pb, au_ssize); /* sample size */
436 put_le32(pb, 0);
437 put_le16(pb, stream->width);
438 put_le16(pb, stream->height);
de6d9b64
FB
439 end_tag(pb, strh);
440
1d92cc2b 441 if(stream->codec_type != CODEC_TYPE_DATA){
de6d9b64
FB
442 strf = start_tag(pb, "strf");
443 switch(stream->codec_type) {
444 case CODEC_TYPE_VIDEO:
2727c35e 445 put_bmp_header(pb, stream, codec_bmp_tags, 0);
de6d9b64
FB
446 break;
447 case CODEC_TYPE_AUDIO:
46a3d068 448 if (put_wav_header(pb, stream) < 0) {
1ea4f593 449 av_free(avi);
46a3d068
FB
450 return -1;
451 }
de6d9b64 452 break;
53cafac0 453 default:
71c32f19 454 return -1;
de6d9b64
FB
455 }
456 end_tag(pb, strf);
1d92cc2b 457 }
115329f1 458
e738cee9
RS
459 if (!url_is_streamed(pb)) {
460 unsigned char tag[5];
8c0ff5d5 461 int j;
115329f1
DB
462
463 /* Starting to lay out AVI OpenDML master index.
e738cee9 464 * We want to make it JUNK entry for now, since we'd
115329f1 465 * like to get away without making AVI an OpenDML one
e738cee9
RS
466 * for compatibility reasons.
467 */
468 avi->indexes[i].entry = avi->indexes[i].ents_allocated = 0;
115329f1 469 avi->indexes[i].indx_start = start_tag(pb, "JUNK");
e738cee9
RS
470 put_le16(pb, 4); /* wLongsPerEntry */
471 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
472 put_byte(pb, 0); /* bIndexType (0 == AVI_INDEX_OF_INDEXES) */
473 put_le32(pb, 0); /* nEntriesInUse (will fill out later on) */
474 put_tag(pb, avi_stream2fourcc(&tag[0], i, stream->codec_type));
475 /* dwChunkId */
476 put_le64(pb, 0); /* dwReserved[3]
477 put_le32(pb, 0); Must be 0. */
8c0ff5d5
RS
478 for (j=0; j < AVI_MASTER_INDEX_SIZE * 2; j++)
479 put_le64(pb, 0);
e738cee9
RS
480 end_tag(pb, avi->indexes[i].indx_start);
481 }
115329f1 482
de6d9b64
FB
483 end_tag(pb, list2);
484 }
115329f1 485
e738cee9
RS
486 if (!url_is_streamed(pb)) {
487 /* AVI could become an OpenDML one, if it grows beyond 2Gb range */
488 avi->odml_list = start_tag(pb, "JUNK");
489 put_tag(pb, "odml");
490 put_tag(pb, "dmlh");
491 put_le32(pb, 248);
492 for (i = 0; i < 248; i+= 4)
493 put_le32(pb, 0);
494 end_tag(pb, avi->odml_list);
495 }
de6d9b64
FB
496
497 end_tag(pb, list1);
115329f1 498
de6d9b64 499 avi->movi_list = start_tag(pb, "LIST");
de6d9b64
FB
500 put_tag(pb, "movi");
501
502 put_flush_packet(pb);
503
504 return 0;
505}
506
e738cee9
RS
507static int avi_write_ix(AVFormatContext *s)
508{
509 ByteIOContext *pb = &s->pb;
510 AVIContext *avi = s->priv_data;
511 unsigned char tag[5];
512 unsigned char ix_tag[] = "ix00";
513 int i, j;
115329f1 514
a2a2668d
AB
515 if (url_is_streamed(pb))
516 return -1;
517
e738cee9
RS
518 if (avi->riff_id > AVI_MASTER_INDEX_SIZE)
519 return -1;
115329f1 520
e738cee9
RS
521 for (i=0;i<s->nb_streams;i++) {
522 offset_t ix, pos;
115329f1 523
01f4895c 524 avi_stream2fourcc(&tag[0], i, s->streams[i]->codec->codec_type);
e738cee9 525 ix_tag[3] = '0' + i;
115329f1 526
e738cee9 527 /* Writing AVI OpenDML leaf index chunk */
115329f1 528 ix = url_ftell(pb);
e738cee9 529 put_tag(pb, &ix_tag[0]); /* ix?? */
115329f1 530 put_le32(pb, avi->indexes[i].entry * 8 + 24);
e738cee9
RS
531 /* chunk size */
532 put_le16(pb, 2); /* wLongsPerEntry */
115329f1 533 put_byte(pb, 0); /* bIndexSubType (0 == frame index) */
e738cee9 534 put_byte(pb, 1); /* bIndexType (1 == AVI_INDEX_OF_CHUNKS) */
115329f1 535 put_le32(pb, avi->indexes[i].entry);
e738cee9
RS
536 /* nEntriesInUse */
537 put_tag(pb, &tag[0]); /* dwChunkId */
538 put_le64(pb, avi->movi_list);/* qwBaseOffset */
539 put_le32(pb, 0); /* dwReserved_3 (must be 0) */
540
541 for (j=0; j<avi->indexes[i].entry; j++) {
542 AVIIentry* ie = avi_get_ientry(&avi->indexes[i], j);
543 put_le32(pb, ie->pos + 8);
544 put_le32(pb, ((uint32_t)ie->len & ~0x80000000) |
545 (ie->flags & 0x10 ? 0 : 0x80000000));
546 }
547 put_flush_packet(pb);
548 pos = url_ftell(pb);
115329f1 549
e738cee9
RS
550 /* Updating one entry in the AVI OpenDML master index */
551 url_fseek(pb, avi->indexes[i].indx_start - 8, SEEK_SET);
552 put_tag(pb, "indx"); /* enabling this entry */
553 url_fskip(pb, 8);
554 put_le32(pb, avi->riff_id); /* nEntriesInUse */
555 url_fskip(pb, 16*avi->riff_id);
556 put_le64(pb, ix); /* qwOffset */
557 put_le32(pb, pos - ix); /* dwSize */
558 put_le32(pb, avi->indexes[i].entry); /* dwDuration */
559
560 url_fseek(pb, pos, SEEK_SET);
561 }
562 return 0;
563}
564
565static int avi_write_idx1(AVFormatContext *s)
ce9fce63
RS
566{
567 ByteIOContext *pb = &s->pb;
568 AVIContext *avi = s->priv_data;
569 offset_t file_size, idx_chunk;
e738cee9 570 int i, n, nb_frames, au_byterate, au_ssize, au_scale;
ce9fce63 571 AVCodecContext *stream;
e738cee9 572 unsigned char tag[5];
ce9fce63
RS
573
574 if (!url_is_streamed(pb)) {
546031ee 575 AVIIentry* ie = 0, *tie;
e738cee9 576 int entry[MAX_STREAMS];
546031ee 577 int empty, stream_id = -1;
e738cee9
RS
578
579 idx_chunk = start_tag(pb, "idx1");
580 memset(&entry[0], 0, sizeof(entry));
581 do {
582 empty = 1;
583 for (i=0; i<s->nb_streams; i++) {
584 if (avi->indexes[i].entry <= entry[i])
585 continue;
115329f1 586
e738cee9
RS
587 tie = avi_get_ientry(&avi->indexes[i], entry[i]);
588 if (empty || tie->pos < ie->pos) {
115329f1 589 ie = tie;
e738cee9
RS
590 stream_id = i;
591 }
592 empty = 0;
593 }
594 if (!empty) {
115329f1
DB
595 avi_stream2fourcc(&tag[0], stream_id,
596 s->streams[stream_id]->codec->codec_type);
e738cee9
RS
597 put_tag(pb, &tag[0]);
598 put_le32(pb, ie->flags);
599 put_le32(pb, ie->pos);
600 put_le32(pb, ie->len);
601 entry[stream_id]++;
602 }
603 } while (!empty);
604 end_tag(pb, idx_chunk);
ce9fce63
RS
605
606 /* Fill in frame/sample counters */
e738cee9 607 file_size = url_ftell(pb);
ce9fce63
RS
608 nb_frames = 0;
609 for(n=0;n<s->nb_streams;n++) {
610 if (avi->frames_hdr_strm[n] != 0) {
01f4895c 611 stream = s->streams[n]->codec;
ce9fce63 612 url_fseek(pb, avi->frames_hdr_strm[n], SEEK_SET);
1d92cc2b 613 ff_parse_specific_params(stream, &au_byterate, &au_ssize, &au_scale);
359fa0fe
MN
614 if (au_ssize == 0) {
615 put_le32(pb, stream->frame_number);
616 nb_frames += stream->frame_number;
ce9fce63 617 } else {
359fa0fe 618 put_le32(pb, avi->audio_strm_length[n] / au_ssize);
ce9fce63
RS
619 }
620 }
621 }
622 if (avi->frames_hdr_all != 0) {
623 url_fseek(pb, avi->frames_hdr_all, SEEK_SET);
115329f1 624 put_le32(pb, nb_frames);
ce9fce63
RS
625 }
626 url_fseek(pb, file_size, SEEK_SET);
627 }
628 return 0;
629}
630
e928649b 631static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
de6d9b64
FB
632{
633 AVIContext *avi = s->priv_data;
634 ByteIOContext *pb = &s->pb;
de6d9b64 635 unsigned char tag[5];
e928649b 636 unsigned int flags=0;
e928649b 637 const int stream_index= pkt->stream_index;
01f4895c 638 AVCodecContext *enc= s->streams[stream_index]->codec;
e928649b 639 int size= pkt->size;
ce9fce63 640
50c3dd32 641// av_log(s, AV_LOG_DEBUG, "%lld %d %d\n", pkt->dts, avi->packet_count[stream_index], stream_index);
16543599 642 while(enc->block_align==0 && pkt->dts != AV_NOPTS_VALUE && pkt->dts > avi->packet_count[stream_index]){
50c3dd32
MN
643 AVPacket empty_packet;
644
645 av_init_packet(&empty_packet);
646 empty_packet.size= 0;
647 empty_packet.data= NULL;
648 empty_packet.stream_index= stream_index;
649 avi_write_packet(s, &empty_packet);
650// av_log(s, AV_LOG_DEBUG, "dup %lld %d\n", pkt->dts, avi->packet_count[stream_index]);
651 }
652 avi->packet_count[stream_index]++;
653
a2a2668d 654 // Make sure to put an OpenDML chunk when the file size exceeds the limits
115329f1 655 if (!url_is_streamed(pb) &&
a2a2668d 656 (url_ftell(pb) - avi->riff_start > AVI_MAX_RIFF_SIZE)) {
115329f1 657
e738cee9
RS
658 avi_write_ix(s);
659 end_tag(pb, avi->movi_list);
115329f1 660
e738cee9
RS
661 if (avi->riff_id == 1)
662 avi_write_idx1(s);
663
664 end_tag(pb, avi->riff_start);
ce9fce63
RS
665 avi->movi_list = avi_start_new_riff(avi, pb, "AVIX", "movi");
666 }
115329f1 667
e738cee9 668 avi_stream2fourcc(&tag[0], stream_index, enc->codec_type);
e928649b
MN
669 if(pkt->flags&PKT_FLAG_KEY)
670 flags = 0x10;
e738cee9 671 if (enc->codec_type == CODEC_TYPE_AUDIO) {
86bec9a1 672 avi->audio_strm_length[stream_index] += size;
e928649b 673 }
de6d9b64
FB
674
675 if (!url_is_streamed(&s->pb)) {
e738cee9
RS
676 AVIIndex* idx = &avi->indexes[stream_index];
677 int cl = idx->entry / AVI_INDEX_CLUSTER_SIZE;
678 int id = idx->entry % AVI_INDEX_CLUSTER_SIZE;
679 if (idx->ents_allocated <= idx->entry) {
115329f1 680 idx->cluster = av_realloc(idx->cluster, (cl+1)*sizeof(void*));
e738cee9
RS
681 if (!idx->cluster)
682 return -1;
683 idx->cluster[cl] = av_malloc(AVI_INDEX_CLUSTER_SIZE*sizeof(AVIIentry));
684 if (!idx->cluster[cl])
685 return -1;
686 idx->ents_allocated += AVI_INDEX_CLUSTER_SIZE;
687 }
115329f1
DB
688
689 idx->cluster[cl][id].flags = flags;
e738cee9
RS
690 idx->cluster[cl][id].pos = url_ftell(pb) - avi->movi_list;
691 idx->cluster[cl][id].len = size;
692 idx->entry++;
de6d9b64 693 }
115329f1 694
de6d9b64
FB
695 put_buffer(pb, tag, 4);
696 put_le32(pb, size);
e928649b 697 put_buffer(pb, pkt->data, size);
de6d9b64
FB
698 if (size & 1)
699 put_byte(pb, 0);
700
701 put_flush_packet(pb);
702 return 0;
703}
704
705static int avi_write_trailer(AVFormatContext *s)
706{
de6d9b64 707 AVIContext *avi = s->priv_data;
ce9fce63
RS
708 ByteIOContext *pb = &s->pb;
709 int res = 0;
e738cee9
RS
710 int i, j, n, nb_frames;
711 offset_t file_size;
712
a2a2668d
AB
713 if (!url_is_streamed(pb))
714 {
e738cee9
RS
715 if (avi->riff_id == 1) {
716 end_tag(pb, avi->movi_list);
717 res = avi_write_idx1(s);
718 end_tag(pb, avi->riff_start);
719 } else {
720 avi_write_ix(s);
721 end_tag(pb, avi->movi_list);
722 end_tag(pb, avi->riff_start);
de6d9b64 723
de6d9b64 724 file_size = url_ftell(pb);
ce9fce63
RS
725 url_fseek(pb, avi->odml_list - 8, SEEK_SET);
726 put_tag(pb, "LIST"); /* Making this AVI OpenDML one */
727 url_fskip(pb, 16);
728
729 for (n=nb_frames=0;n<s->nb_streams;n++) {
01f4895c 730 AVCodecContext *stream = s->streams[n]->codec;
ce9fce63
RS
731 if (stream->codec_type == CODEC_TYPE_VIDEO) {
732 if (nb_frames < stream->frame_number)
733 nb_frames = stream->frame_number;
734 } else {
80783dc2 735 if (stream->codec_id == CODEC_ID_MP2 || stream->codec_id == CODEC_ID_MP3) {
ce9fce63 736 nb_frames += stream->frame_number;
86bec9a1
J
737 }
738 }
ce9fce63
RS
739 }
740 put_le32(pb, nb_frames);
ce9fce63 741 url_fseek(pb, file_size, SEEK_SET);
e738cee9 742 }
a2a2668d 743 }
de6d9b64 744 put_flush_packet(pb);
e738cee9
RS
745
746 for (i=0; i<MAX_STREAMS; i++) {
747 for (j=0; j<avi->indexes[i].ents_allocated/AVI_INDEX_CLUSTER_SIZE; j++)
748 av_free(avi->indexes[i].cluster[j]);
749 av_free(avi->indexes[i].cluster);
750 avi->indexes[i].cluster = NULL;
751 avi->indexes[i].ents_allocated = avi->indexes[i].entry = 0;
752 }
115329f1 753
ce9fce63 754 return res;
de6d9b64
FB
755}
756
c9a65ca8 757static AVOutputFormat avi_oformat = {
de6d9b64
FB
758 "avi",
759 "avi format",
760 "video/x-msvideo",
761 "avi",
c9a65ca8 762 sizeof(AVIContext),
de6d9b64 763 CODEC_ID_MP2,
22cf0455 764 CODEC_ID_MPEG4,
de6d9b64
FB
765 avi_write_header,
766 avi_write_packet,
767 avi_write_trailer,
de6d9b64 768};
c9a65ca8
FB
769
770int avienc_init(void)
771{
772 av_register_output_format(&avi_oformat);
773 return 0;
774}
a9e35095 775#endif //CONFIG_MUXERS