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ffmpeg / libavformat / movenc.c @ 13ff92d1

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1
/*
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 * MOV, 3GP, MP4 muxer
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 * Copyright (c) 2003 Thomas Raivio
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 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
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 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
23

    
24
#include "movenc.h"
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#include "avformat.h"
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#include "avio_internal.h"
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#include "riff.h"
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#include "avio.h"
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#include "isom.h"
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#include "avc.h"
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#include "libavcodec/get_bits.h"
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#include "libavcodec/put_bits.h"
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#include "internal.h"
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#include "libavutil/avstring.h"
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36
#undef NDEBUG
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#include <assert.h>
38

    
39
//FIXME support 64 bit variant with wide placeholders
40
static int64_t updateSize(AVIOContext *pb, int64_t pos)
41
{
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    int64_t curpos = url_ftell(pb);
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    url_fseek(pb, pos, SEEK_SET);
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    avio_wb32(pb, curpos - pos); /* rewrite size */
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    url_fseek(pb, curpos, SEEK_SET);
46

    
47
    return curpos - pos;
48
}
49

    
50
/* Chunk offset atom */
51
static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
52
{
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    int i;
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    int mode64 = 0; //   use 32 bit size variant if possible
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    int64_t pos = url_ftell(pb);
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    avio_wb32(pb, 0); /* size */
57
    if (pos > UINT32_MAX) {
58
        mode64 = 1;
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        ffio_wfourcc(pb, "co64");
60
    } else
61
        ffio_wfourcc(pb, "stco");
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    avio_wb32(pb, 0); /* version & flags */
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    avio_wb32(pb, track->entry); /* entry count */
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    for (i=0; i<track->entry; i++) {
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        if(mode64 == 1)
66
            avio_wb64(pb, track->cluster[i].pos);
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        else
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            avio_wb32(pb, track->cluster[i].pos);
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    }
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    return updateSize(pb, pos);
71
}
72

    
73
/* Sample size atom */
74
static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
75
{
76
    int equalChunks = 1;
77
    int i, j, entries = 0, tst = -1, oldtst = -1;
78

    
79
    int64_t pos = url_ftell(pb);
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    avio_wb32(pb, 0); /* size */
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    ffio_wfourcc(pb, "stsz");
82
    avio_wb32(pb, 0); /* version & flags */
83

    
84
    for (i=0; i<track->entry; i++) {
85
        tst = track->cluster[i].size/track->cluster[i].entries;
86
        if(oldtst != -1 && tst != oldtst) {
87
            equalChunks = 0;
88
        }
89
        oldtst = tst;
90
        entries += track->cluster[i].entries;
91
    }
92
    if (equalChunks) {
93
        int sSize = track->cluster[0].size/track->cluster[0].entries;
94
        avio_wb32(pb, sSize); // sample size
95
        avio_wb32(pb, entries); // sample count
96
    }
97
    else {
98
        avio_wb32(pb, 0); // sample size
99
        avio_wb32(pb, entries); // sample count
100
        for (i=0; i<track->entry; i++) {
101
            for (j=0; j<track->cluster[i].entries; j++) {
102
                avio_wb32(pb, track->cluster[i].size /
103
                         track->cluster[i].entries);
104
            }
105
        }
106
    }
107
    return updateSize(pb, pos);
108
}
109

    
110
/* Sample to chunk atom */
111
static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
112
{
113
    int index = 0, oldval = -1, i;
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    int64_t entryPos, curpos;
115

    
116
    int64_t pos = url_ftell(pb);
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    avio_wb32(pb, 0); /* size */
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    ffio_wfourcc(pb, "stsc");
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    avio_wb32(pb, 0); // version & flags
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    entryPos = url_ftell(pb);
121
    avio_wb32(pb, track->entry); // entry count
122
    for (i=0; i<track->entry; i++) {
123
        if(oldval != track->cluster[i].samplesInChunk)
124
        {
125
            avio_wb32(pb, i+1); // first chunk
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            avio_wb32(pb, track->cluster[i].samplesInChunk); // samples per chunk
127
            avio_wb32(pb, 0x1); // sample description index
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            oldval = track->cluster[i].samplesInChunk;
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            index++;
130
        }
131
    }
132
    curpos = url_ftell(pb);
133
    url_fseek(pb, entryPos, SEEK_SET);
134
    avio_wb32(pb, index); // rewrite size
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    url_fseek(pb, curpos, SEEK_SET);
136

    
137
    return updateSize(pb, pos);
138
}
139

    
140
/* Sync sample atom */
141
static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
142
{
143
    int64_t curpos, entryPos;
144
    int i, index = 0;
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    int64_t pos = url_ftell(pb);
146
    avio_wb32(pb, 0); // size
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    ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
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    avio_wb32(pb, 0); // version & flags
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    entryPos = url_ftell(pb);
150
    avio_wb32(pb, track->entry); // entry count
151
    for (i=0; i<track->entry; i++) {
152
        if (track->cluster[i].flags & flag) {
153
            avio_wb32(pb, i+1);
154
            index++;
155
        }
156
    }
157
    curpos = url_ftell(pb);
158
    url_fseek(pb, entryPos, SEEK_SET);
159
    avio_wb32(pb, index); // rewrite size
160
    url_fseek(pb, curpos, SEEK_SET);
161
    return updateSize(pb, pos);
162
}
163

    
164
static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
165
{
166
    avio_wb32(pb, 0x11); /* size */
167
    if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
168
    else                         ffio_wfourcc(pb, "damr");
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    ffio_wfourcc(pb, "FFMP");
170
    avio_w8(pb, 0); /* decoder version */
171

    
172
    avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
173
    avio_w8(pb, 0x00); /* Mode change period (no restriction) */
174
    avio_w8(pb, 0x01); /* Frames per sample */
175
    return 0x11;
176
}
177

    
178
static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
179
{
180
    GetBitContext gbc;
181
    PutBitContext pbc;
182
    uint8_t buf[3];
183
    int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
184

    
185
    if (track->vosLen < 7)
186
        return -1;
187

    
188
    avio_wb32(pb, 11);
189
    ffio_wfourcc(pb, "dac3");
190

    
191
    init_get_bits(&gbc, track->vosData+4, track->vosLen-4);
192
    fscod      = get_bits(&gbc, 2);
193
    frmsizecod = get_bits(&gbc, 6);
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    bsid       = get_bits(&gbc, 5);
195
    bsmod      = get_bits(&gbc, 3);
196
    acmod      = get_bits(&gbc, 3);
197
    if (acmod == 2) {
198
        skip_bits(&gbc, 2); // dsurmod
199
    } else {
200
        if ((acmod & 1) && acmod != 1)
201
            skip_bits(&gbc, 2); // cmixlev
202
        if (acmod & 4)
203
            skip_bits(&gbc, 2); // surmixlev
204
    }
205
    lfeon = get_bits1(&gbc);
206

    
207
    init_put_bits(&pbc, buf, sizeof(buf));
208
    put_bits(&pbc, 2, fscod);
209
    put_bits(&pbc, 5, bsid);
210
    put_bits(&pbc, 3, bsmod);
211
    put_bits(&pbc, 3, acmod);
212
    put_bits(&pbc, 1, lfeon);
213
    put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
214
    put_bits(&pbc, 5, 0); // reserved
215

    
216
    flush_put_bits(&pbc);
217
    avio_write(pb, buf, sizeof(buf));
218

    
219
    return 11;
220
}
221

    
222
/**
223
 * This function writes extradata "as is".
224
 * Extradata must be formated like a valid atom (with size and tag)
225
 */
226
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
227
{
228
    avio_write(pb, track->enc->extradata, track->enc->extradata_size);
229
    return track->enc->extradata_size;
230
}
231

    
232
static int mov_write_enda_tag(AVIOContext *pb)
233
{
234
    avio_wb32(pb, 10);
235
    ffio_wfourcc(pb, "enda");
236
    avio_wb16(pb, 1); /* little endian */
237
    return 10;
238
}
239

    
240
static unsigned int descrLength(unsigned int len)
241
{
242
    int i;
243
    for(i=1; len>>(7*i); i++);
244
    return len + 1 + i;
245
}
246

    
247
static void putDescr(AVIOContext *pb, int tag, unsigned int size)
248
{
249
    int i= descrLength(size) - size - 2;
250
    avio_w8(pb, tag);
251
    for(; i>0; i--)
252
        avio_w8(pb, (size>>(7*i)) | 0x80);
253
    avio_w8(pb, size & 0x7F);
254
}
255

    
256
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
257
{
258
    int64_t pos = url_ftell(pb);
259
    int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
260

    
261
    avio_wb32(pb, 0); // size
262
    ffio_wfourcc(pb, "esds");
263
    avio_wb32(pb, 0); // Version
264

    
265
    // ES descriptor
266
    putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
267
             descrLength(1));
268
    avio_wb16(pb, track->trackID);
269
    avio_w8(pb, 0x00); // flags (= no flags)
270

    
271
    // DecoderConfig descriptor
272
    putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
273

    
274
    // Object type indication
275
    if ((track->enc->codec_id == CODEC_ID_MP2 ||
276
         track->enc->codec_id == CODEC_ID_MP3) &&
277
        track->enc->sample_rate > 24000)
278
        avio_w8(pb, 0x6B); // 11172-3
279
    else
280
        avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
281

    
282
    // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
283
    // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
284
    if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
285
        avio_w8(pb, 0x15); // flags (= Audiostream)
286
    else
287
        avio_w8(pb, 0x11); // flags (= Visualstream)
288

    
289
    avio_w8(pb,  track->enc->rc_buffer_size>>(3+16));      // Buffersize DB (24 bits)
290
    avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
291

    
292
    avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
293
    if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
294
        avio_wb32(pb, 0); // vbr
295
    else
296
        avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
297

    
298
    if (track->vosLen) {
299
        // DecoderSpecific info descriptor
300
        putDescr(pb, 0x05, track->vosLen);
301
        avio_write(pb, track->vosData, track->vosLen);
302
    }
303

    
304
    // SL descriptor
305
    putDescr(pb, 0x06, 1);
306
    avio_w8(pb, 0x02);
307
    return updateSize(pb, pos);
308
}
309

    
310
static int mov_pcm_le_gt16(enum CodecID codec_id)
311
{
312
    return codec_id == CODEC_ID_PCM_S24LE ||
313
           codec_id == CODEC_ID_PCM_S32LE ||
314
           codec_id == CODEC_ID_PCM_F32LE ||
315
           codec_id == CODEC_ID_PCM_F64LE;
316
}
317

    
318
static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
319
{
320
    int64_t pos = url_ftell(pb);
321
    avio_wb32(pb, 0);
322
    avio_wl32(pb, track->tag); // store it byteswapped
323
    track->enc->codec_tag = av_bswap16(track->tag >> 16);
324
    ff_put_wav_header(pb, track->enc);
325
    return updateSize(pb, pos);
326
}
327

    
328
static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
329
{
330
    int64_t pos = url_ftell(pb);
331

    
332
    avio_wb32(pb, 0);     /* size */
333
    ffio_wfourcc(pb, "wave");
334

    
335
    avio_wb32(pb, 12);    /* size */
336
    ffio_wfourcc(pb, "frma");
337
    avio_wl32(pb, track->tag);
338

    
339
    if (track->enc->codec_id == CODEC_ID_AAC) {
340
        /* useless atom needed by mplayer, ipod, not needed by quicktime */
341
        avio_wb32(pb, 12); /* size */
342
        ffio_wfourcc(pb, "mp4a");
343
        avio_wb32(pb, 0);
344
        mov_write_esds_tag(pb, track);
345
    } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
346
        mov_write_enda_tag(pb);
347
    } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
348
        mov_write_amr_tag(pb, track);
349
    } else if (track->enc->codec_id == CODEC_ID_AC3) {
350
        mov_write_ac3_tag(pb, track);
351
    } else if (track->enc->codec_id == CODEC_ID_ALAC) {
352
        mov_write_extradata_tag(pb, track);
353
    } else if (track->enc->codec_id == CODEC_ID_ADPCM_MS ||
354
               track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
355
        mov_write_ms_tag(pb, track);
356
    }
357

    
358
    avio_wb32(pb, 8);     /* size */
359
    avio_wb32(pb, 0);     /* null tag */
360

    
361
    return updateSize(pb, pos);
362
}
363

    
364
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
365
{
366
    avio_wb32(pb, track->vosLen+8);
367
    ffio_wfourcc(pb, "glbl");
368
    avio_write(pb, track->vosData, track->vosLen);
369
    return 8+track->vosLen;
370
}
371

    
372
/**
373
 * Compute flags for 'lpcm' tag.
374
 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
375
 */
376
static int mov_get_lpcm_flags(enum CodecID codec_id)
377
{
378
    switch (codec_id) {
379
    case CODEC_ID_PCM_F32BE:
380
    case CODEC_ID_PCM_F64BE:
381
        return 11;
382
    case CODEC_ID_PCM_F32LE:
383
    case CODEC_ID_PCM_F64LE:
384
        return 9;
385
    case CODEC_ID_PCM_U8:
386
        return 10;
387
    case CODEC_ID_PCM_S16BE:
388
    case CODEC_ID_PCM_S24BE:
389
    case CODEC_ID_PCM_S32BE:
390
        return 14;
391
    case CODEC_ID_PCM_S8:
392
    case CODEC_ID_PCM_S16LE:
393
    case CODEC_ID_PCM_S24LE:
394
    case CODEC_ID_PCM_S32LE:
395
        return 12;
396
    default:
397
        return 0;
398
    }
399
}
400

    
401
static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
402
{
403
    int64_t pos = url_ftell(pb);
404
    int version = 0;
405
    uint32_t tag = track->tag;
406

    
407
    if (track->mode == MODE_MOV) {
408
        if (track->timescale > UINT16_MAX) {
409
            if (mov_get_lpcm_flags(track->enc->codec_id))
410
                tag = AV_RL32("lpcm");
411
            version = 2;
412
        } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
413
                   track->enc->codec_id == CODEC_ID_ADPCM_MS ||
414
                   track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
415
            version = 1;
416
        }
417
    }
418

    
419
    avio_wb32(pb, 0); /* size */
420
    avio_wl32(pb, tag); // store it byteswapped
421
    avio_wb32(pb, 0); /* Reserved */
422
    avio_wb16(pb, 0); /* Reserved */
423
    avio_wb16(pb, 1); /* Data-reference index, XXX  == 1 */
424

    
425
    /* SoundDescription */
426
    avio_wb16(pb, version); /* Version */
427
    avio_wb16(pb, 0); /* Revision level */
428
    avio_wb32(pb, 0); /* Reserved */
429

    
430
    if (version == 2) {
431
        avio_wb16(pb, 3);
432
        avio_wb16(pb, 16);
433
        avio_wb16(pb, 0xfffe);
434
        avio_wb16(pb, 0);
435
        avio_wb32(pb, 0x00010000);
436
        avio_wb32(pb, 72);
437
        avio_wb64(pb, av_dbl2int(track->timescale));
438
        avio_wb32(pb, track->enc->channels);
439
        avio_wb32(pb, 0x7F000000);
440
        avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
441
        avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
442
        avio_wb32(pb, track->sampleSize);
443
        avio_wb32(pb, track->enc->frame_size);
444
    } else {
445
        if (track->mode == MODE_MOV) {
446
            avio_wb16(pb, track->enc->channels);
447
            if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
448
                track->enc->codec_id == CODEC_ID_PCM_S8)
449
                avio_wb16(pb, 8); /* bits per sample */
450
            else
451
                avio_wb16(pb, 16);
452
            avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
453
        } else { /* reserved for mp4/3gp */
454
            avio_wb16(pb, 2);
455
            avio_wb16(pb, 16);
456
            avio_wb16(pb, 0);
457
        }
458

    
459
        avio_wb16(pb, 0); /* packet size (= 0) */
460
        avio_wb16(pb, track->timescale); /* Time scale */
461
        avio_wb16(pb, 0); /* Reserved */
462
    }
463

    
464
    if(version == 1) { /* SoundDescription V1 extended info */
465
        avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
466
        avio_wb32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
467
        avio_wb32(pb, track->sampleSize); /* Bytes per frame */
468
        avio_wb32(pb, 2); /* Bytes per sample */
469
    }
470

    
471
    if(track->mode == MODE_MOV &&
472
       (track->enc->codec_id == CODEC_ID_AAC ||
473
        track->enc->codec_id == CODEC_ID_AC3 ||
474
        track->enc->codec_id == CODEC_ID_AMR_NB ||
475
        track->enc->codec_id == CODEC_ID_ALAC ||
476
        track->enc->codec_id == CODEC_ID_ADPCM_MS ||
477
        track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV ||
478
        mov_pcm_le_gt16(track->enc->codec_id)))
479
        mov_write_wave_tag(pb, track);
480
    else if(track->tag == MKTAG('m','p','4','a'))
481
        mov_write_esds_tag(pb, track);
482
    else if(track->enc->codec_id == CODEC_ID_AMR_NB)
483
        mov_write_amr_tag(pb, track);
484
    else if(track->enc->codec_id == CODEC_ID_AC3)
485
        mov_write_ac3_tag(pb, track);
486
    else if(track->enc->codec_id == CODEC_ID_ALAC)
487
        mov_write_extradata_tag(pb, track);
488
    else if(track->vosLen > 0)
489
        mov_write_glbl_tag(pb, track);
490

    
491
    return updateSize(pb, pos);
492
}
493

    
494
static int mov_write_d263_tag(AVIOContext *pb)
495
{
496
    avio_wb32(pb, 0xf); /* size */
497
    ffio_wfourcc(pb, "d263");
498
    ffio_wfourcc(pb, "FFMP");
499
    avio_w8(pb, 0); /* decoder version */
500
    /* FIXME use AVCodecContext level/profile, when encoder will set values */
501
    avio_w8(pb, 0xa); /* level */
502
    avio_w8(pb, 0); /* profile */
503
    return 0xf;
504
}
505

    
506
/* TODO: No idea about these values */
507
static int mov_write_svq3_tag(AVIOContext *pb)
508
{
509
    avio_wb32(pb, 0x15);
510
    ffio_wfourcc(pb, "SMI ");
511
    ffio_wfourcc(pb, "SEQH");
512
    avio_wb32(pb, 0x5);
513
    avio_wb32(pb, 0xe2c0211d);
514
    avio_wb32(pb, 0xc0000000);
515
    avio_w8(pb, 0);
516
    return 0x15;
517
}
518

    
519
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
520
{
521
    int64_t pos = url_ftell(pb);
522

    
523
    avio_wb32(pb, 0);
524
    ffio_wfourcc(pb, "avcC");
525
    ff_isom_write_avcc(pb, track->vosData, track->vosLen);
526
    return updateSize(pb, pos);
527
}
528

    
529
/* also used by all avid codecs (dv, imx, meridien) and their variants */
530
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
531
{
532
    int i;
533
    avio_wb32(pb, 24); /* size */
534
    ffio_wfourcc(pb, "ACLR");
535
    ffio_wfourcc(pb, "ACLR");
536
    ffio_wfourcc(pb, "0001");
537
    avio_wb32(pb, 1); /* yuv 1 / rgb 2 ? */
538
    avio_wb32(pb, 0); /* unknown */
539

    
540
    avio_wb32(pb, 24); /* size */
541
    ffio_wfourcc(pb, "APRG");
542
    ffio_wfourcc(pb, "APRG");
543
    ffio_wfourcc(pb, "0001");
544
    avio_wb32(pb, 1); /* unknown */
545
    avio_wb32(pb, 0); /* unknown */
546

    
547
    avio_wb32(pb, 120); /* size */
548
    ffio_wfourcc(pb, "ARES");
549
    ffio_wfourcc(pb, "ARES");
550
    ffio_wfourcc(pb, "0001");
551
    avio_wb32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
552
    avio_wb32(pb, track->enc->width);
553
    /* values below are based on samples created with quicktime and avid codecs */
554
    if (track->vosData[5] & 2) { // interlaced
555
        avio_wb32(pb, track->enc->height/2);
556
        avio_wb32(pb, 2); /* unknown */
557
        avio_wb32(pb, 0); /* unknown */
558
        avio_wb32(pb, 4); /* unknown */
559
    } else {
560
        avio_wb32(pb, track->enc->height);
561
        avio_wb32(pb, 1); /* unknown */
562
        avio_wb32(pb, 0); /* unknown */
563
        if (track->enc->height == 1080)
564
            avio_wb32(pb, 5); /* unknown */
565
        else
566
            avio_wb32(pb, 6); /* unknown */
567
    }
568
    /* padding */
569
    for (i = 0; i < 10; i++)
570
        avio_wb64(pb, 0);
571

    
572
    /* extra padding for stsd needed */
573
    avio_wb32(pb, 0);
574
    return 0;
575
}
576

    
577
static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
578
{
579
    int tag = track->enc->codec_tag;
580

    
581
    if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
582
        return 0;
583

    
584
    if      (track->enc->codec_id == CODEC_ID_H264)      tag = MKTAG('a','v','c','1');
585
    else if (track->enc->codec_id == CODEC_ID_AC3)       tag = MKTAG('a','c','-','3');
586
    else if (track->enc->codec_id == CODEC_ID_DIRAC)     tag = MKTAG('d','r','a','c');
587
    else if (track->enc->codec_id == CODEC_ID_MOV_TEXT)  tag = MKTAG('t','x','3','g');
588
    else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
589
    else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
590

    
591
    return tag;
592
}
593

    
594
static const AVCodecTag codec_ipod_tags[] = {
595
    { CODEC_ID_H264,   MKTAG('a','v','c','1') },
596
    { CODEC_ID_MPEG4,  MKTAG('m','p','4','v') },
597
    { CODEC_ID_AAC,    MKTAG('m','p','4','a') },
598
    { CODEC_ID_ALAC,   MKTAG('a','l','a','c') },
599
    { CODEC_ID_AC3,    MKTAG('a','c','-','3') },
600
    { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
601
    { CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
602
    { CODEC_ID_NONE, 0 },
603
};
604

    
605
static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
606
{
607
    int tag = track->enc->codec_tag;
608

    
609
    // keep original tag for subs, ipod supports both formats
610
    if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
611
        (tag == MKTAG('t','x','3','g') ||
612
         tag == MKTAG('t','e','x','t'))))
613
        tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
614

    
615
    if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
616
        av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
617
               "Quicktime/Ipod might not play the file\n");
618

    
619
    return tag;
620
}
621

    
622
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
623
{
624
    int tag;
625

    
626
    if (track->enc->height == 480) /* NTSC */
627
        if  (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
628
        else                                         tag = MKTAG('d','v','c',' ');
629
    else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
630
    else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
631
    else                                             tag = MKTAG('d','v','p','p');
632

    
633
    return tag;
634
}
635

    
636
static const struct {
637
    enum PixelFormat pix_fmt;
638
    uint32_t tag;
639
    unsigned bps;
640
} mov_pix_fmt_tags[] = {
641
    { PIX_FMT_YUYV422, MKTAG('y','u','v','s'),  0 },
642
    { PIX_FMT_UYVY422, MKTAG('2','v','u','y'),  0 },
643
    { PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
644
    { PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
645
    { PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
646
    { PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
647
    { PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
648
    { PIX_FMT_RGB24,   MKTAG('r','a','w',' '), 24 },
649
    { PIX_FMT_BGR24,   MKTAG('2','4','B','G'), 24 },
650
    { PIX_FMT_ARGB,    MKTAG('r','a','w',' '), 32 },
651
    { PIX_FMT_BGRA,    MKTAG('B','G','R','A'), 32 },
652
    { PIX_FMT_RGBA,    MKTAG('R','G','B','A'), 32 },
653
    { PIX_FMT_ABGR,    MKTAG('A','B','G','R'), 32 },
654
    { PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
655
};
656

    
657
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
658
{
659
    int tag = track->enc->codec_tag;
660
    int i;
661

    
662
    for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
663
        if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
664
            tag = mov_pix_fmt_tags[i].tag;
665
            track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
666
            break;
667
        }
668
    }
669

    
670
    return tag;
671
}
672

    
673
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
674
{
675
    int tag = track->enc->codec_tag;
676

    
677
    if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
678
                 (track->enc->codec_id == CODEC_ID_DVVIDEO ||
679
                  track->enc->codec_id == CODEC_ID_RAWVIDEO ||
680
                  track->enc->codec_id == CODEC_ID_H263 ||
681
                  av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
682
        if (track->enc->codec_id == CODEC_ID_DVVIDEO)
683
            tag = mov_get_dv_codec_tag(s, track);
684
        else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
685
            tag = mov_get_rawvideo_codec_tag(s, track);
686
        else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
687
            tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
688
            if (!tag) { // if no mac fcc found, try with Microsoft tags
689
                tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
690
                if (tag)
691
                    av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
692
                           "the file may be unplayable!\n");
693
            }
694
        } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
695
            tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
696
            if (!tag) { // if no mac fcc found, try with Microsoft tags
697
                int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
698
                if (ms_tag) {
699
                    tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
700
                    av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
701
                           "the file may be unplayable!\n");
702
                }
703
            }
704
        } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
705
            tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
706
    }
707

    
708
    return tag;
709
}
710

    
711
static const AVCodecTag codec_3gp_tags[] = {
712
    { CODEC_ID_H263,   MKTAG('s','2','6','3') },
713
    { CODEC_ID_H264,   MKTAG('a','v','c','1') },
714
    { CODEC_ID_MPEG4,  MKTAG('m','p','4','v') },
715
    { CODEC_ID_AAC,    MKTAG('m','p','4','a') },
716
    { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
717
    { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
718
    { CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
719
    { CODEC_ID_NONE, 0 },
720
};
721

    
722
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
723
{
724
    int tag = track->enc->codec_tag;
725

    
726
    if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
727
        tag = mp4_get_codec_tag(s, track);
728
    else if (track->mode == MODE_IPOD)
729
        tag = ipod_get_codec_tag(s, track);
730
    else if (track->mode & MODE_3GP)
731
        tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
732
    else
733
        tag = mov_get_codec_tag(s, track);
734

    
735
    return tag;
736
}
737

    
738
/** Write uuid atom.
739
 * Needed to make file play in iPods running newest firmware
740
 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
741
 */
742
static int mov_write_uuid_tag_ipod(AVIOContext *pb)
743
{
744
    avio_wb32(pb, 28);
745
    ffio_wfourcc(pb, "uuid");
746
    avio_wb32(pb, 0x6b6840f2);
747
    avio_wb32(pb, 0x5f244fc5);
748
    avio_wb32(pb, 0xba39a51b);
749
    avio_wb32(pb, 0xcf0323f3);
750
    avio_wb32(pb, 0x0);
751
    return 28;
752
}
753

    
754
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
755
{
756
    int64_t pos = url_ftell(pb);
757
    avio_wb32(pb, 0);    /* size */
758
    avio_wl32(pb, track->tag); // store it byteswapped
759
    avio_wb32(pb, 0);    /* Reserved */
760
    avio_wb16(pb, 0);    /* Reserved */
761
    avio_wb16(pb, 1);    /* Data-reference index */
762

    
763
    if (track->enc->extradata_size)
764
        avio_write(pb, track->enc->extradata, track->enc->extradata_size);
765

    
766
    return updateSize(pb, pos);
767
}
768

    
769
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
770
{
771
    AVRational sar;
772
    av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
773
              track->enc->sample_aspect_ratio.den, INT_MAX);
774

    
775
    avio_wb32(pb, 16);
776
    ffio_wfourcc(pb, "pasp");
777
    avio_wb32(pb, sar.num);
778
    avio_wb32(pb, sar.den);
779
    return 16;
780
}
781

    
782
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
783
{
784
    int64_t pos = url_ftell(pb);
785
    char compressor_name[32];
786

    
787
    avio_wb32(pb, 0); /* size */
788
    avio_wl32(pb, track->tag); // store it byteswapped
789
    avio_wb32(pb, 0); /* Reserved */
790
    avio_wb16(pb, 0); /* Reserved */
791
    avio_wb16(pb, 1); /* Data-reference index */
792

    
793
    avio_wb16(pb, 0); /* Codec stream version */
794
    avio_wb16(pb, 0); /* Codec stream revision (=0) */
795
    if (track->mode == MODE_MOV) {
796
        ffio_wfourcc(pb, "FFMP"); /* Vendor */
797
        if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
798
            avio_wb32(pb, 0); /* Temporal Quality */
799
            avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
800
        } else {
801
            avio_wb32(pb, 0x200); /* Temporal Quality = normal */
802
            avio_wb32(pb, 0x200); /* Spatial Quality = normal */
803
        }
804
    } else {
805
        avio_wb32(pb, 0); /* Reserved */
806
        avio_wb32(pb, 0); /* Reserved */
807
        avio_wb32(pb, 0); /* Reserved */
808
    }
809
    avio_wb16(pb, track->enc->width); /* Video width */
810
    avio_wb16(pb, track->height); /* Video height */
811
    avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
812
    avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
813
    avio_wb32(pb, 0); /* Data size (= 0) */
814
    avio_wb16(pb, 1); /* Frame count (= 1) */
815

    
816
    memset(compressor_name,0,32);
817
    /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
818
    if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
819
        strncpy(compressor_name,track->enc->codec->name,31);
820
    avio_w8(pb, strlen(compressor_name));
821
    avio_write(pb, compressor_name, 31);
822

    
823
    if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
824
        avio_wb16(pb, track->enc->bits_per_coded_sample);
825
    else
826
        avio_wb16(pb, 0x18); /* Reserved */
827
    avio_wb16(pb, 0xffff); /* Reserved */
828
    if(track->tag == MKTAG('m','p','4','v'))
829
        mov_write_esds_tag(pb, track);
830
    else if(track->enc->codec_id == CODEC_ID_H263)
831
        mov_write_d263_tag(pb);
832
    else if(track->enc->codec_id == CODEC_ID_SVQ3)
833
        mov_write_svq3_tag(pb);
834
    else if(track->enc->codec_id == CODEC_ID_DNXHD)
835
        mov_write_avid_tag(pb, track);
836
    else if(track->enc->codec_id == CODEC_ID_H264) {
837
        mov_write_avcc_tag(pb, track);
838
        if(track->mode == MODE_IPOD)
839
            mov_write_uuid_tag_ipod(pb);
840
    } else if(track->vosLen > 0)
841
        mov_write_glbl_tag(pb, track);
842

    
843
    if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
844
        track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
845
        mov_write_pasp_tag(pb, track);
846
    }
847

    
848
    return updateSize(pb, pos);
849
}
850

    
851
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
852
{
853
    int64_t pos = url_ftell(pb);
854
    avio_wb32(pb, 0); /* size */
855
    ffio_wfourcc(pb, "rtp ");
856
    avio_wb32(pb, 0); /* Reserved */
857
    avio_wb16(pb, 0); /* Reserved */
858
    avio_wb16(pb, 1); /* Data-reference index */
859

    
860
    avio_wb16(pb, 1); /* Hint track version */
861
    avio_wb16(pb, 1); /* Highest compatible version */
862
    avio_wb32(pb, track->max_packet_size); /* Max packet size */
863

    
864
    avio_wb32(pb, 12); /* size */
865
    ffio_wfourcc(pb, "tims");
866
    avio_wb32(pb, track->timescale);
867

    
868
    return updateSize(pb, pos);
869
}
870

    
871
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
872
{
873
    int64_t pos = url_ftell(pb);
874
    avio_wb32(pb, 0); /* size */
875
    ffio_wfourcc(pb, "stsd");
876
    avio_wb32(pb, 0); /* version & flags */
877
    avio_wb32(pb, 1); /* entry count */
878
    if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
879
        mov_write_video_tag(pb, track);
880
    else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
881
        mov_write_audio_tag(pb, track);
882
    else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
883
        mov_write_subtitle_tag(pb, track);
884
    else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
885
        mov_write_rtp_tag(pb, track);
886
    return updateSize(pb, pos);
887
}
888

    
889
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
890
{
891
    MOVStts *ctts_entries;
892
    uint32_t entries = 0;
893
    uint32_t atom_size;
894
    int i;
895

    
896
    ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
897
    ctts_entries[0].count = 1;
898
    ctts_entries[0].duration = track->cluster[0].cts;
899
    for (i=1; i<track->entry; i++) {
900
        if (track->cluster[i].cts == ctts_entries[entries].duration) {
901
            ctts_entries[entries].count++; /* compress */
902
        } else {
903
            entries++;
904
            ctts_entries[entries].duration = track->cluster[i].cts;
905
            ctts_entries[entries].count = 1;
906
        }
907
    }
908
    entries++; /* last one */
909
    atom_size = 16 + (entries * 8);
910
    avio_wb32(pb, atom_size); /* size */
911
    ffio_wfourcc(pb, "ctts");
912
    avio_wb32(pb, 0); /* version & flags */
913
    avio_wb32(pb, entries); /* entry count */
914
    for (i=0; i<entries; i++) {
915
        avio_wb32(pb, ctts_entries[i].count);
916
        avio_wb32(pb, ctts_entries[i].duration);
917
    }
918
    av_free(ctts_entries);
919
    return atom_size;
920
}
921

    
922
/* Time to sample atom */
923
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
924
{
925
    MOVStts *stts_entries;
926
    uint32_t entries = -1;
927
    uint32_t atom_size;
928
    int i;
929

    
930
    if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
931
        stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
932
        stts_entries[0].count = track->sampleCount;
933
        stts_entries[0].duration = 1;
934
        entries = 1;
935
    } else {
936
        stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
937
        for (i=0; i<track->entry; i++) {
938
            int64_t duration = i + 1 == track->entry ?
939
                track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
940
                track->cluster[i+1].dts - track->cluster[i].dts;
941
            if (i && duration == stts_entries[entries].duration) {
942
                stts_entries[entries].count++; /* compress */
943
            } else {
944
                entries++;
945
                stts_entries[entries].duration = duration;
946
                stts_entries[entries].count = 1;
947
            }
948
        }
949
        entries++; /* last one */
950
    }
951
    atom_size = 16 + (entries * 8);
952
    avio_wb32(pb, atom_size); /* size */
953
    ffio_wfourcc(pb, "stts");
954
    avio_wb32(pb, 0); /* version & flags */
955
    avio_wb32(pb, entries); /* entry count */
956
    for (i=0; i<entries; i++) {
957
        avio_wb32(pb, stts_entries[i].count);
958
        avio_wb32(pb, stts_entries[i].duration);
959
    }
960
    av_free(stts_entries);
961
    return atom_size;
962
}
963

    
964
static int mov_write_dref_tag(AVIOContext *pb)
965
{
966
    avio_wb32(pb, 28); /* size */
967
    ffio_wfourcc(pb, "dref");
968
    avio_wb32(pb, 0); /* version & flags */
969
    avio_wb32(pb, 1); /* entry count */
970

    
971
    avio_wb32(pb, 0xc); /* size */
972
    ffio_wfourcc(pb, "url ");
973
    avio_wb32(pb, 1); /* version & flags */
974

    
975
    return 28;
976
}
977

    
978
static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
979
{
980
    int64_t pos = url_ftell(pb);
981
    avio_wb32(pb, 0); /* size */
982
    ffio_wfourcc(pb, "stbl");
983
    mov_write_stsd_tag(pb, track);
984
    mov_write_stts_tag(pb, track);
985
    if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
986
         track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
987
        track->hasKeyframes && track->hasKeyframes < track->entry)
988
        mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
989
    if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
990
        mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
991
    if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
992
        track->flags & MOV_TRACK_CTTS)
993
        mov_write_ctts_tag(pb, track);
994
    mov_write_stsc_tag(pb, track);
995
    mov_write_stsz_tag(pb, track);
996
    mov_write_stco_tag(pb, track);
997
    return updateSize(pb, pos);
998
}
999

    
1000
static int mov_write_dinf_tag(AVIOContext *pb)
1001
{
1002
    int64_t pos = url_ftell(pb);
1003
    avio_wb32(pb, 0); /* size */
1004
    ffio_wfourcc(pb, "dinf");
1005
    mov_write_dref_tag(pb);
1006
    return updateSize(pb, pos);
1007
}
1008

    
1009
static int mov_write_nmhd_tag(AVIOContext *pb)
1010
{
1011
    avio_wb32(pb, 12);
1012
    ffio_wfourcc(pb, "nmhd");
1013
    avio_wb32(pb, 0);
1014
    return 12;
1015
}
1016

    
1017
static int mov_write_gmhd_tag(AVIOContext *pb)
1018
{
1019
    avio_wb32(pb, 0x20);   /* size */
1020
    ffio_wfourcc(pb, "gmhd");
1021
    avio_wb32(pb, 0x18);   /* gmin size */
1022
    ffio_wfourcc(pb, "gmin");/* generic media info */
1023
    avio_wb32(pb, 0);      /* version & flags */
1024
    avio_wb16(pb, 0x40);   /* graphics mode = */
1025
    avio_wb16(pb, 0x8000); /* opColor (r?) */
1026
    avio_wb16(pb, 0x8000); /* opColor (g?) */
1027
    avio_wb16(pb, 0x8000); /* opColor (b?) */
1028
    avio_wb16(pb, 0);      /* balance */
1029
    avio_wb16(pb, 0);      /* reserved */
1030
    return 0x20;
1031
}
1032

    
1033
static int mov_write_smhd_tag(AVIOContext *pb)
1034
{
1035
    avio_wb32(pb, 16); /* size */
1036
    ffio_wfourcc(pb, "smhd");
1037
    avio_wb32(pb, 0); /* version & flags */
1038
    avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1039
    avio_wb16(pb, 0); /* reserved */
1040
    return 16;
1041
}
1042

    
1043
static int mov_write_vmhd_tag(AVIOContext *pb)
1044
{
1045
    avio_wb32(pb, 0x14); /* size (always 0x14) */
1046
    ffio_wfourcc(pb, "vmhd");
1047
    avio_wb32(pb, 0x01); /* version & flags */
1048
    avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1049
    return 0x14;
1050
}
1051

    
1052
static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1053
{
1054
    const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1055
    int64_t pos = url_ftell(pb);
1056

    
1057
    if (!track) { /* no media --> data handler */
1058
        hdlr = "dhlr";
1059
        hdlr_type = "url ";
1060
        descr = "DataHandler";
1061
    } else {
1062
        hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1063
        if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1064
            hdlr_type = "vide";
1065
            descr = "VideoHandler";
1066
        } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1067
            hdlr_type = "soun";
1068
            descr = "SoundHandler";
1069
        } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1070
            if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1071
            else                                      hdlr_type = "text";
1072
            descr = "SubtitleHandler";
1073
        } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1074
            hdlr_type = "hint";
1075
            descr = "HintHandler";
1076
        }
1077
    }
1078

    
1079
    avio_wb32(pb, 0); /* size */
1080
    ffio_wfourcc(pb, "hdlr");
1081
    avio_wb32(pb, 0); /* Version & flags */
1082
    avio_write(pb, hdlr, 4); /* handler */
1083
    ffio_wfourcc(pb, hdlr_type); /* handler type */
1084
    avio_wb32(pb ,0); /* reserved */
1085
    avio_wb32(pb ,0); /* reserved */
1086
    avio_wb32(pb ,0); /* reserved */
1087
    if (!track || track->mode == MODE_MOV)
1088
        avio_w8(pb, strlen(descr)); /* pascal string */
1089
    avio_write(pb, descr, strlen(descr)); /* handler description */
1090
    if (track && track->mode != MODE_MOV)
1091
        avio_w8(pb, 0); /* c string */
1092
    return updateSize(pb, pos);
1093
}
1094

    
1095
static int mov_write_hmhd_tag(AVIOContext *pb)
1096
{
1097
    /* This atom must be present, but leaving the values at zero
1098
     * seems harmless. */
1099
    avio_wb32(pb, 28); /* size */
1100
    ffio_wfourcc(pb, "hmhd");
1101
    avio_wb32(pb, 0); /* version, flags */
1102
    avio_wb16(pb, 0); /* maxPDUsize */
1103
    avio_wb16(pb, 0); /* avgPDUsize */
1104
    avio_wb32(pb, 0); /* maxbitrate */
1105
    avio_wb32(pb, 0); /* avgbitrate */
1106
    avio_wb32(pb, 0); /* reserved */
1107
    return 28;
1108
}
1109

    
1110
static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1111
{
1112
    int64_t pos = url_ftell(pb);
1113
    avio_wb32(pb, 0); /* size */
1114
    ffio_wfourcc(pb, "minf");
1115
    if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1116
        mov_write_vmhd_tag(pb);
1117
    else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1118
        mov_write_smhd_tag(pb);
1119
    else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1120
        if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
1121
        else                                      mov_write_nmhd_tag(pb);
1122
    } else if (track->tag == MKTAG('r','t','p',' ')) {
1123
        mov_write_hmhd_tag(pb);
1124
    }
1125
    if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1126
        mov_write_hdlr_tag(pb, NULL);
1127
    mov_write_dinf_tag(pb);
1128
    mov_write_stbl_tag(pb, track);
1129
    return updateSize(pb, pos);
1130
}
1131

    
1132
static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1133
{
1134
    int version = track->trackDuration < INT32_MAX ? 0 : 1;
1135

    
1136
    (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1137
    ffio_wfourcc(pb, "mdhd");
1138
    avio_w8(pb, version);
1139
    avio_wb24(pb, 0); /* flags */
1140
    if (version == 1) {
1141
        avio_wb64(pb, track->time);
1142
        avio_wb64(pb, track->time);
1143
    } else {
1144
        avio_wb32(pb, track->time); /* creation time */
1145
        avio_wb32(pb, track->time); /* modification time */
1146
    }
1147
    avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1148
    (version == 1) ? avio_wb64(pb, track->trackDuration) : avio_wb32(pb, track->trackDuration); /* duration */
1149
    avio_wb16(pb, track->language); /* language */
1150
    avio_wb16(pb, 0); /* reserved (quality) */
1151

    
1152
    if(version!=0 && track->mode == MODE_MOV){
1153
        av_log(NULL, AV_LOG_ERROR,
1154
            "FATAL error, file duration too long for timebase, this file will not be\n"
1155
            "playable with quicktime. Choose a different timebase or a different\n"
1156
            "container format\n");
1157
    }
1158

    
1159
    return 32;
1160
}
1161

    
1162
static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1163
{
1164
    int64_t pos = url_ftell(pb);
1165
    avio_wb32(pb, 0); /* size */
1166
    ffio_wfourcc(pb, "mdia");
1167
    mov_write_mdhd_tag(pb, track);
1168
    mov_write_hdlr_tag(pb, track);
1169
    mov_write_minf_tag(pb, track);
1170
    return updateSize(pb, pos);
1171
}
1172

    
1173
static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1174
{
1175
    int64_t duration = av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1176
                                      track->timescale, AV_ROUND_UP);
1177
    int version = duration < INT32_MAX ? 0 : 1;
1178

    
1179
    (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1180
    ffio_wfourcc(pb, "tkhd");
1181
    avio_w8(pb, version);
1182
    avio_wb24(pb, 0xf); /* flags (track enabled) */
1183
    if (version == 1) {
1184
        avio_wb64(pb, track->time);
1185
        avio_wb64(pb, track->time);
1186
    } else {
1187
        avio_wb32(pb, track->time); /* creation time */
1188
        avio_wb32(pb, track->time); /* modification time */
1189
    }
1190
    avio_wb32(pb, track->trackID); /* track-id */
1191
    avio_wb32(pb, 0); /* reserved */
1192
    (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1193

    
1194
    avio_wb32(pb, 0); /* reserved */
1195
    avio_wb32(pb, 0); /* reserved */
1196
    avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
1197
    /* Volume, only for audio */
1198
    if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1199
        avio_wb16(pb, 0x0100);
1200
    else
1201
        avio_wb16(pb, 0);
1202
    avio_wb16(pb, 0); /* reserved */
1203

    
1204
    /* Matrix structure */
1205
    avio_wb32(pb, 0x00010000); /* reserved */
1206
    avio_wb32(pb, 0x0); /* reserved */
1207
    avio_wb32(pb, 0x0); /* reserved */
1208
    avio_wb32(pb, 0x0); /* reserved */
1209
    avio_wb32(pb, 0x00010000); /* reserved */
1210
    avio_wb32(pb, 0x0); /* reserved */
1211
    avio_wb32(pb, 0x0); /* reserved */
1212
    avio_wb32(pb, 0x0); /* reserved */
1213
    avio_wb32(pb, 0x40000000); /* reserved */
1214

    
1215
    /* Track width and height, for visual only */
1216
    if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1217
              track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1218
        if(track->mode == MODE_MOV) {
1219
            avio_wb32(pb, track->enc->width << 16);
1220
            avio_wb32(pb, track->enc->height << 16);
1221
        } else {
1222
            double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1223
            if(!sample_aspect_ratio || track->height != track->enc->height)
1224
                sample_aspect_ratio = 1;
1225
            avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1226
            avio_wb32(pb, track->height*0x10000);
1227
        }
1228
    }
1229
    else {
1230
        avio_wb32(pb, 0);
1231
        avio_wb32(pb, 0);
1232
    }
1233
    return 0x5c;
1234
}
1235

    
1236
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1237
{
1238
    int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1239
                               track->enc->sample_aspect_ratio.den);
1240

    
1241
    int64_t pos = url_ftell(pb);
1242

    
1243
    avio_wb32(pb, 0); /* size */
1244
    ffio_wfourcc(pb, "tapt");
1245

    
1246
    avio_wb32(pb, 20);
1247
    ffio_wfourcc(pb, "clef");
1248
    avio_wb32(pb, 0);
1249
    avio_wb32(pb, width << 16);
1250
    avio_wb32(pb, track->enc->height << 16);
1251

    
1252
    avio_wb32(pb, 20);
1253
    ffio_wfourcc(pb, "enof");
1254
    avio_wb32(pb, 0);
1255
    avio_wb32(pb, track->enc->width << 16);
1256
    avio_wb32(pb, track->enc->height << 16);
1257

    
1258
    return updateSize(pb, pos);
1259
};
1260

    
1261
// This box seems important for the psp playback ... without it the movie seems to hang
1262
static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1263
{
1264
    avio_wb32(pb, 0x24); /* size  */
1265
    ffio_wfourcc(pb, "edts");
1266
    avio_wb32(pb, 0x1c); /* size  */
1267
    ffio_wfourcc(pb, "elst");
1268
    avio_wb32(pb, 0x0);
1269
    avio_wb32(pb, 0x1);
1270

    
1271
    /* duration   ... doesn't seem to effect psp */
1272
    avio_wb32(pb, av_rescale_rnd(track->trackDuration, MOV_TIMESCALE,
1273
                                track->timescale, AV_ROUND_UP));
1274

    
1275
    avio_wb32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
1276
    avio_wb32(pb, 0x00010000);
1277
    return 0x24;
1278
}
1279

    
1280
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1281
{
1282
    avio_wb32(pb, 20);   // size
1283
    ffio_wfourcc(pb, "tref");
1284
    avio_wb32(pb, 12);   // size (subatom)
1285
    avio_wl32(pb, track->tref_tag);
1286
    avio_wb32(pb, track->tref_id);
1287
    return 20;
1288
}
1289

    
1290
// goes at the end of each track!  ... Critical for PSP playback ("Incompatible data" without it)
1291
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
1292
{
1293
    avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1294
    ffio_wfourcc(pb, "uuid");
1295
    ffio_wfourcc(pb, "USMT");
1296
    avio_wb32(pb, 0x21d24fce);
1297
    avio_wb32(pb, 0xbb88695c);
1298
    avio_wb32(pb, 0xfac9c740);
1299
    avio_wb32(pb, 0x1c);     // another size here!
1300
    ffio_wfourcc(pb, "MTDT");
1301
    avio_wb32(pb, 0x00010012);
1302
    avio_wb32(pb, 0x0a);
1303
    avio_wb32(pb, 0x55c40000);
1304
    avio_wb32(pb, 0x1);
1305
    avio_wb32(pb, 0x0);
1306
    return 0x34;
1307
}
1308

    
1309
static int mov_write_udta_sdp(AVIOContext *pb, AVCodecContext *ctx, int index)
1310
{
1311
    char buf[1000] = "";
1312
    int len;
1313

    
1314
    ff_sdp_write_media(buf, sizeof(buf), ctx, NULL, NULL, 0, 0);
1315
    av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", index);
1316
    len = strlen(buf);
1317

    
1318
    avio_wb32(pb, len + 24);
1319
    ffio_wfourcc(pb, "udta");
1320
    avio_wb32(pb, len + 16);
1321
    ffio_wfourcc(pb, "hnti");
1322
    avio_wb32(pb, len + 8);
1323
    ffio_wfourcc(pb, "sdp ");
1324
    avio_write(pb, buf, len);
1325
    return len + 24;
1326
}
1327

    
1328
static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1329
{
1330
    int64_t pos = url_ftell(pb);
1331
    avio_wb32(pb, 0); /* size */
1332
    ffio_wfourcc(pb, "trak");
1333
    mov_write_tkhd_tag(pb, track, st);
1334
    if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS)
1335
        mov_write_edts_tag(pb, track);  // PSP Movies require edts box
1336
    if (track->tref_tag)
1337
        mov_write_tref_tag(pb, track);
1338
    mov_write_mdia_tag(pb, track);
1339
    if (track->mode == MODE_PSP)
1340
        mov_write_uuid_tag_psp(pb,track);  // PSP Movies require this uuid box
1341
    if (track->tag == MKTAG('r','t','p',' '))
1342
        mov_write_udta_sdp(pb, track->rtp_ctx->streams[0]->codec, track->trackID);
1343
    if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1344
        double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1345
        if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
1346
            mov_write_tapt_tag(pb, track);
1347
    };
1348
    return updateSize(pb, pos);
1349
}
1350

    
1351
#if 0
1352
/* TODO: Not sorted out, but not necessary either */
1353
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1354
{
1355
    avio_wb32(pb, 0x15); /* size */
1356
    ffio_wfourcc(pb, "iods");
1357
    avio_wb32(pb, 0);    /* version & flags */
1358
    avio_wb16(pb, 0x1007);
1359
    avio_w8(pb, 0);
1360
    avio_wb16(pb, 0x4fff);
1361
    avio_wb16(pb, 0xfffe);
1362
    avio_wb16(pb, 0x01ff);
1363
    return 0x15;
1364
}
1365
#endif
1366

    
1367
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1368
{
1369
    int maxTrackID = 1, i;
1370
    int64_t maxTrackLenTemp, maxTrackLen = 0;
1371
    int version;
1372

    
1373
    for (i=0; i<mov->nb_streams; i++) {
1374
        if(mov->tracks[i].entry > 0) {
1375
            maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration,
1376
                                             MOV_TIMESCALE,
1377
                                             mov->tracks[i].timescale,
1378
                                             AV_ROUND_UP);
1379
            if(maxTrackLen < maxTrackLenTemp)
1380
                maxTrackLen = maxTrackLenTemp;
1381
            if(maxTrackID < mov->tracks[i].trackID)
1382
                maxTrackID = mov->tracks[i].trackID;
1383
        }
1384
    }
1385

    
1386
    version = maxTrackLen < UINT32_MAX ? 0 : 1;
1387
    (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1388
    ffio_wfourcc(pb, "mvhd");
1389
    avio_w8(pb, version);
1390
    avio_wb24(pb, 0); /* flags */
1391
    if (version == 1) {
1392
        avio_wb64(pb, mov->time);
1393
        avio_wb64(pb, mov->time);
1394
    } else {
1395
        avio_wb32(pb, mov->time); /* creation time */
1396
        avio_wb32(pb, mov->time); /* modification time */
1397
    }
1398
    avio_wb32(pb, MOV_TIMESCALE);
1399
    (version == 1) ? avio_wb64(pb, maxTrackLen) : avio_wb32(pb, maxTrackLen); /* duration of longest track */
1400

    
1401
    avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1402
    avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1403
    avio_wb16(pb, 0); /* reserved */
1404
    avio_wb32(pb, 0); /* reserved */
1405
    avio_wb32(pb, 0); /* reserved */
1406

    
1407
    /* Matrix structure */
1408
    avio_wb32(pb, 0x00010000); /* reserved */
1409
    avio_wb32(pb, 0x0); /* reserved */
1410
    avio_wb32(pb, 0x0); /* reserved */
1411
    avio_wb32(pb, 0x0); /* reserved */
1412
    avio_wb32(pb, 0x00010000); /* reserved */
1413
    avio_wb32(pb, 0x0); /* reserved */
1414
    avio_wb32(pb, 0x0); /* reserved */
1415
    avio_wb32(pb, 0x0); /* reserved */
1416
    avio_wb32(pb, 0x40000000); /* reserved */
1417

    
1418
    avio_wb32(pb, 0); /* reserved (preview time) */
1419
    avio_wb32(pb, 0); /* reserved (preview duration) */
1420
    avio_wb32(pb, 0); /* reserved (poster time) */
1421
    avio_wb32(pb, 0); /* reserved (selection time) */
1422
    avio_wb32(pb, 0); /* reserved (selection duration) */
1423
    avio_wb32(pb, 0); /* reserved (current time) */
1424
    avio_wb32(pb, maxTrackID+1); /* Next track id */
1425
    return 0x6c;
1426
}
1427

    
1428
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
1429
                                     AVFormatContext *s)
1430
{
1431
    avio_wb32(pb, 33); /* size */
1432
    ffio_wfourcc(pb, "hdlr");
1433
    avio_wb32(pb, 0);
1434
    avio_wb32(pb, 0);
1435
    ffio_wfourcc(pb, "mdir");
1436
    ffio_wfourcc(pb, "appl");
1437
    avio_wb32(pb, 0);
1438
    avio_wb32(pb, 0);
1439
    avio_w8(pb, 0);
1440
    return 33;
1441
}
1442

    
1443
/* helper function to write a data tag with the specified string as data */
1444
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1445
{
1446
    if(long_style){
1447
        int size = 16 + strlen(data);
1448
        avio_wb32(pb, size); /* size */
1449
        ffio_wfourcc(pb, "data");
1450
        avio_wb32(pb, 1);
1451
        avio_wb32(pb, 0);
1452
        avio_write(pb, data, strlen(data));
1453
        return size;
1454
    }else{
1455
        if (!lang)
1456
            lang = ff_mov_iso639_to_lang("und", 1);
1457
        avio_wb16(pb, strlen(data)); /* string length */
1458
        avio_wb16(pb, lang);
1459
        avio_write(pb, data, strlen(data));
1460
        return strlen(data) + 4;
1461
    }
1462
}
1463

    
1464
static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1465
    int size = 0;
1466
    if (value && value[0]) {
1467
        int64_t pos = url_ftell(pb);
1468
        avio_wb32(pb, 0); /* size */
1469
        ffio_wfourcc(pb, name);
1470
        mov_write_string_data_tag(pb, value, lang, long_style);
1471
        size= updateSize(pb, pos);
1472
    }
1473
    return size;
1474
}
1475

    
1476
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1477
                                     const char *name, const char *tag,
1478
                                     int long_style)
1479
{
1480
    int l, lang = 0, len, len2;
1481
    AVMetadataTag *t, *t2 = NULL;
1482
    char tag2[16];
1483

    
1484
    if (!(t = av_metadata_get(s->metadata, tag, NULL, 0)))
1485
        return 0;
1486

    
1487
    len = strlen(t->key);
1488
    snprintf(tag2, sizeof(tag2), "%s-", tag);
1489
    while ((t2 = av_metadata_get(s->metadata, tag2, t2, AV_METADATA_IGNORE_SUFFIX))) {
1490
        len2 = strlen(t2->key);
1491
        if (len2 == len+4 && !strcmp(t->value, t2->value)
1492
            && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1493
            lang = l;
1494
            break;
1495
        }
1496
    }
1497
    return mov_write_string_tag(pb, name, t->value, lang, long_style);
1498
}
1499

    
1500
/* iTunes track number */
1501
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
1502
                              AVFormatContext *s)
1503
{
1504
    AVMetadataTag *t = av_metadata_get(s->metadata, "track", NULL, 0);
1505
    int size = 0, track = t ? atoi(t->value) : 0;
1506
    if (track) {
1507
        avio_wb32(pb, 32); /* size */
1508
        ffio_wfourcc(pb, "trkn");
1509
            avio_wb32(pb, 24); /* size */
1510
            ffio_wfourcc(pb, "data");
1511
            avio_wb32(pb, 0);        // 8 bytes empty
1512
            avio_wb32(pb, 0);
1513
            avio_wb16(pb, 0);        // empty
1514
            avio_wb16(pb, track);    // track number
1515
            avio_wb16(pb, 0);        // total track number
1516
            avio_wb16(pb, 0);        // empty
1517
        size = 32;
1518
    }
1519
    return size;
1520
}
1521

    
1522
/* iTunes meta data list */
1523
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
1524
                              AVFormatContext *s)
1525
{
1526
    int64_t pos = url_ftell(pb);
1527
    avio_wb32(pb, 0); /* size */
1528
    ffio_wfourcc(pb, "ilst");
1529
    mov_write_string_metadata(s, pb, "\251nam", "title"    , 1);
1530
    mov_write_string_metadata(s, pb, "\251ART", "artist"   , 1);
1531
    mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
1532
    mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1533
    mov_write_string_metadata(s, pb, "\251alb", "album"    , 1);
1534
    mov_write_string_metadata(s, pb, "\251day", "date"     , 1);
1535
    mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1536
    mov_write_string_metadata(s, pb, "\251cmt", "comment"  , 1);
1537
    mov_write_string_metadata(s, pb, "\251gen", "genre"    , 1);
1538
    mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
1539
    mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
1540
    mov_write_string_metadata(s, pb, "\251lyr", "lyrics"   , 1);
1541
    mov_write_string_metadata(s, pb, "desc",    "description",1);
1542
    mov_write_string_metadata(s, pb, "ldes",    "synopsis" , 1);
1543
    mov_write_string_metadata(s, pb, "tvsh",    "show"     , 1);
1544
    mov_write_string_metadata(s, pb, "tven",    "episode_id",1);
1545
    mov_write_string_metadata(s, pb, "tvnn",    "network"  , 1);
1546
    mov_write_trkn_tag(pb, mov, s);
1547
    return updateSize(pb, pos);
1548
}
1549

    
1550
/* iTunes meta data tag */
1551
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
1552
                              AVFormatContext *s)
1553
{
1554
    int size = 0;
1555
    int64_t pos = url_ftell(pb);
1556
    avio_wb32(pb, 0); /* size */
1557
    ffio_wfourcc(pb, "meta");
1558
    avio_wb32(pb, 0);
1559
    mov_write_itunes_hdlr_tag(pb, mov, s);
1560
    mov_write_ilst_tag(pb, mov, s);
1561
    size = updateSize(pb, pos);
1562
    return size;
1563
}
1564

    
1565
static int utf8len(const uint8_t *b)
1566
{
1567
    int len=0;
1568
    int val;
1569
    while(*b){
1570
        GET_UTF8(val, *b++, return -1;)
1571
        len++;
1572
    }
1573
    return len;
1574
}
1575

    
1576
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
1577
{
1578
    int val;
1579
    while(*b){
1580
        GET_UTF8(val, *b++, return -1;)
1581
        avio_wb16(pb, val);
1582
    }
1583
    avio_wb16(pb, 0x00);
1584
    return 0;
1585
}
1586

    
1587
static uint16_t language_code(const char *str)
1588
{
1589
    return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1590
}
1591

    
1592
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
1593
                                  const char *tag, const char *str)
1594
{
1595
    int64_t pos = url_ftell(pb);
1596
    AVMetadataTag *t = av_metadata_get(s->metadata, str, NULL, 0);
1597
    if (!t || !utf8len(t->value))
1598
        return 0;
1599
    avio_wb32(pb, 0);   /* size */
1600
    ffio_wfourcc(pb, tag); /* type */
1601
    avio_wb32(pb, 0);   /* version + flags */
1602
    if (!strcmp(tag, "yrrc"))
1603
        avio_wb16(pb, atoi(t->value));
1604
    else {
1605
        avio_wb16(pb, language_code("eng")); /* language */
1606
        avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
1607
        if (!strcmp(tag, "albm") &&
1608
            (t = av_metadata_get(s->metadata, "track", NULL, 0)))
1609
            avio_w8(pb, atoi(t->value));
1610
    }
1611
    return updateSize(pb, pos);
1612
}
1613

    
1614
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
1615
{
1616
    int64_t pos = url_ftell(pb);
1617
    int i, nb_chapters = FFMIN(s->nb_chapters, 255);
1618

    
1619
    avio_wb32(pb, 0);            // size
1620
    ffio_wfourcc(pb, "chpl");
1621
    avio_wb32(pb, 0x01000000);   // version + flags
1622
    avio_wb32(pb, 0);            // unknown
1623
    avio_w8(pb, nb_chapters);
1624

    
1625
    for (i = 0; i < nb_chapters; i++) {
1626
        AVChapter *c = s->chapters[i];
1627
        AVMetadataTag *t;
1628
        avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
1629

    
1630
        if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
1631
            int len = FFMIN(strlen(t->value), 255);
1632
            avio_w8(pb, len);
1633
            avio_write(pb, t->value, len);
1634
        } else
1635
            avio_w8(pb, 0);
1636
    }
1637
    return updateSize(pb, pos);
1638
}
1639

    
1640
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1641
                              AVFormatContext *s)
1642
{
1643
    AVIOContext *pb_buf;
1644
    int i, ret, size;
1645
    uint8_t *buf;
1646

    
1647
    for (i = 0; i < s->nb_streams; i++)
1648
        if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
1649
            return 0;
1650
        }
1651

    
1652
    ret = url_open_dyn_buf(&pb_buf);
1653
    if(ret < 0)
1654
        return ret;
1655

    
1656
        if (mov->mode & MODE_3GP) {
1657
            mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
1658
            mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
1659
            mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
1660
            mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
1661
            mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
1662
            mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
1663
            mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
1664
            mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
1665
        } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1666
            mov_write_string_metadata(s, pb_buf, "\251ART", "artist"     , 0);
1667
            mov_write_string_metadata(s, pb_buf, "\251nam", "title"      , 0);
1668
            mov_write_string_metadata(s, pb_buf, "\251aut", "author"     , 0);
1669
            mov_write_string_metadata(s, pb_buf, "\251alb", "album"      , 0);
1670
            mov_write_string_metadata(s, pb_buf, "\251day", "date"       , 0);
1671
            mov_write_string_metadata(s, pb_buf, "\251swr", "encoder"    , 0);
1672
            mov_write_string_metadata(s, pb_buf, "\251des", "comment"    , 0);
1673
            mov_write_string_metadata(s, pb_buf, "\251gen", "genre"      , 0);
1674
            mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright"  , 0);
1675
        } else {
1676
            /* iTunes meta data */
1677
            mov_write_meta_tag(pb_buf, mov, s);
1678
        }
1679

    
1680
        if (s->nb_chapters)
1681
            mov_write_chpl_tag(pb_buf, s);
1682

    
1683
    if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
1684
        avio_wb32(pb, size+8);
1685
        ffio_wfourcc(pb, "udta");
1686
        avio_write(pb, buf, size);
1687
    }
1688
    av_free(buf);
1689

    
1690
    return 0;
1691
}
1692

    
1693
static void mov_write_psp_udta_tag(AVIOContext *pb,
1694
                                  const char *str, const char *lang, int type)
1695
{
1696
    int len = utf8len(str)+1;
1697
    if(len<=0)
1698
        return;
1699
    avio_wb16(pb, len*2+10);            /* size */
1700
    avio_wb32(pb, type);                /* type */
1701
    avio_wb16(pb, language_code(lang)); /* language */
1702
    avio_wb16(pb, 0x01);                /* ? */
1703
    ascii_to_wc(pb, str);
1704
}
1705

    
1706
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
1707
{
1708
    AVMetadataTag *title = av_metadata_get(s->metadata, "title", NULL, 0);
1709
    int64_t pos, pos2;
1710

    
1711
    if (title) {
1712
        pos = url_ftell(pb);
1713
        avio_wb32(pb, 0); /* size placeholder*/
1714
        ffio_wfourcc(pb, "uuid");
1715
        ffio_wfourcc(pb, "USMT");
1716
        avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1717
        avio_wb32(pb, 0xbb88695c);
1718
        avio_wb32(pb, 0xfac9c740);
1719

    
1720
        pos2 = url_ftell(pb);
1721
        avio_wb32(pb, 0); /* size placeholder*/
1722
        ffio_wfourcc(pb, "MTDT");
1723
        avio_wb16(pb, 4);
1724

    
1725
        // ?
1726
        avio_wb16(pb, 0x0C);                 /* size */
1727
        avio_wb32(pb, 0x0B);                 /* type */
1728
        avio_wb16(pb, language_code("und")); /* language */
1729
        avio_wb16(pb, 0x0);                  /* ? */
1730
        avio_wb16(pb, 0x021C);               /* data */
1731

    
1732
        mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT,      "eng", 0x04);
1733
        mov_write_psp_udta_tag(pb, title->value,          "eng", 0x01);
1734
//        snprintf(dt,32,"%04d/%02d/%02d %02d:%02d:%02d",t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
1735
        mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
1736

    
1737
        updateSize(pb, pos2);
1738
        return updateSize(pb, pos);
1739
    }
1740

    
1741
    return 0;
1742
}
1743

    
1744
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
1745
                              AVFormatContext *s)
1746
{
1747
    int i;
1748
    int64_t pos = url_ftell(pb);
1749
    avio_wb32(pb, 0); /* size placeholder*/
1750
    ffio_wfourcc(pb, "moov");
1751

    
1752
    for (i=0; i<mov->nb_streams; i++) {
1753
        if(mov->tracks[i].entry <= 0) continue;
1754

    
1755
        mov->tracks[i].time = mov->time;
1756
        mov->tracks[i].trackID = i+1;
1757
    }
1758

    
1759
    if (mov->chapter_track)
1760
        for (i=0; i<s->nb_streams; i++) {
1761
            mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
1762
            mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].trackID;
1763
        }
1764
    for (i = 0; i < mov->nb_streams; i++) {
1765
        if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
1766
            mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
1767
            mov->tracks[i].tref_id =
1768
                mov->tracks[mov->tracks[i].src_track].trackID;
1769
        }
1770
    }
1771

    
1772
    mov_write_mvhd_tag(pb, mov);
1773
    //mov_write_iods_tag(pb, mov);
1774
    for (i=0; i<mov->nb_streams; i++) {
1775
        if(mov->tracks[i].entry > 0) {
1776
            mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1777
        }
1778
    }
1779

    
1780
    if (mov->mode == MODE_PSP)
1781
        mov_write_uuidusmt_tag(pb, s);
1782
    else
1783
        mov_write_udta_tag(pb, mov, s);
1784

    
1785
    return updateSize(pb, pos);
1786
}
1787

    
1788
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1789
{
1790
    avio_wb32(pb, 8);    // placeholder for extended size field (64 bit)
1791
    ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
1792

    
1793
    mov->mdat_pos = url_ftell(pb);
1794
    avio_wb32(pb, 0); /* size placeholder*/
1795
    ffio_wfourcc(pb, "mdat");
1796
    return 0;
1797
}
1798

    
1799
/* TODO: This needs to be more general */
1800
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1801
{
1802
    MOVMuxContext *mov = s->priv_data;
1803
    int64_t pos = url_ftell(pb);
1804
    int has_h264 = 0, has_video = 0;
1805
    int minor = 0x200;
1806
    int i;
1807

    
1808
    for (i = 0; i < s->nb_streams; i++) {
1809
        AVStream *st = s->streams[i];
1810
        if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1811
            has_video = 1;
1812
        if (st->codec->codec_id == CODEC_ID_H264)
1813
            has_h264 = 1;
1814
    }
1815

    
1816
    avio_wb32(pb, 0); /* size */
1817
    ffio_wfourcc(pb, "ftyp");
1818

    
1819
    if (mov->mode == MODE_3GP) {
1820
        ffio_wfourcc(pb, has_h264 ? "3gp6"  : "3gp4");
1821
        minor =     has_h264 ?   0x100 :   0x200;
1822
    } else if (mov->mode & MODE_3G2) {
1823
        ffio_wfourcc(pb, has_h264 ? "3g2b"  : "3g2a");
1824
        minor =     has_h264 ? 0x20000 : 0x10000;
1825
    }else if (mov->mode == MODE_PSP)
1826
        ffio_wfourcc(pb, "MSNV");
1827
    else if (mov->mode == MODE_MP4)
1828
        ffio_wfourcc(pb, "isom");
1829
    else if (mov->mode == MODE_IPOD)
1830
        ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
1831
    else
1832
        ffio_wfourcc(pb, "qt  ");
1833

    
1834
    avio_wb32(pb, minor);
1835

    
1836
    if(mov->mode == MODE_MOV)
1837
        ffio_wfourcc(pb, "qt  ");
1838
    else{
1839
        ffio_wfourcc(pb, "isom");
1840
        ffio_wfourcc(pb, "iso2");
1841
        if(has_h264)
1842
            ffio_wfourcc(pb, "avc1");
1843
    }
1844

    
1845
    if (mov->mode == MODE_3GP)
1846
        ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
1847
    else if (mov->mode & MODE_3G2)
1848
        ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
1849
    else if (mov->mode == MODE_PSP)
1850
        ffio_wfourcc(pb, "MSNV");
1851
    else if (mov->mode == MODE_MP4)
1852
        ffio_wfourcc(pb, "mp41");
1853
    return updateSize(pb, pos);
1854
}
1855

    
1856
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
1857
{
1858
    AVCodecContext *VideoCodec = s->streams[0]->codec;
1859
    AVCodecContext *AudioCodec = s->streams[1]->codec;
1860
    int AudioRate = AudioCodec->sample_rate;
1861
    int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1862
    int audio_kbitrate= AudioCodec->bit_rate / 1000;
1863
    int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1864

    
1865
    avio_wb32(pb, 0x94); /* size */
1866
    ffio_wfourcc(pb, "uuid");
1867
    ffio_wfourcc(pb, "PROF");
1868

    
1869
    avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
1870
    avio_wb32(pb, 0xbb88695c);
1871
    avio_wb32(pb, 0xfac9c740);
1872

    
1873
    avio_wb32(pb, 0x0);  /* ? */
1874
    avio_wb32(pb, 0x3);  /* 3 sections ? */
1875

    
1876
    avio_wb32(pb, 0x14); /* size */
1877
    ffio_wfourcc(pb, "FPRF");
1878
    avio_wb32(pb, 0x0);  /* ? */
1879
    avio_wb32(pb, 0x0);  /* ? */
1880
    avio_wb32(pb, 0x0);  /* ? */
1881

    
1882
    avio_wb32(pb, 0x2c);  /* size */
1883
    ffio_wfourcc(pb, "APRF");/* audio */
1884
    avio_wb32(pb, 0x0);
1885
    avio_wb32(pb, 0x2);   /* TrackID */
1886
    ffio_wfourcc(pb, "mp4a");
1887
    avio_wb32(pb, 0x20f);
1888
    avio_wb32(pb, 0x0);
1889
    avio_wb32(pb, audio_kbitrate);
1890
    avio_wb32(pb, audio_kbitrate);
1891
    avio_wb32(pb, AudioRate);
1892
    avio_wb32(pb, AudioCodec->channels);
1893

    
1894
    avio_wb32(pb, 0x34);  /* size */
1895
    ffio_wfourcc(pb, "VPRF");   /* video */
1896
    avio_wb32(pb, 0x0);
1897
    avio_wb32(pb, 0x1);    /* TrackID */
1898
    if (VideoCodec->codec_id == CODEC_ID_H264) {
1899
        ffio_wfourcc(pb, "avc1");
1900
        avio_wb16(pb, 0x014D);
1901
        avio_wb16(pb, 0x0015);
1902
    } else {
1903
        ffio_wfourcc(pb, "mp4v");
1904
        avio_wb16(pb, 0x0000);
1905
        avio_wb16(pb, 0x0103);
1906
    }
1907
    avio_wb32(pb, 0x0);
1908
    avio_wb32(pb, video_kbitrate);
1909
    avio_wb32(pb, video_kbitrate);
1910
    avio_wb32(pb, FrameRate);
1911
    avio_wb32(pb, FrameRate);
1912
    avio_wb16(pb, VideoCodec->width);
1913
    avio_wb16(pb, VideoCodec->height);
1914
    avio_wb32(pb, 0x010001); /* ? */
1915
}
1916

    
1917
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
1918
{
1919
    uint32_t c = -1;
1920
    int i, closed_gop = 0;
1921

    
1922
    for (i = 0; i < pkt->size - 4; i++) {
1923
        c = (c<<8) + pkt->data[i];
1924
        if (c == 0x1b8) { // gop
1925
            closed_gop = pkt->data[i+4]>>6 & 0x01;
1926
        } else if (c == 0x100) { // pic
1927
            int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
1928
            if (!temp_ref || closed_gop) // I picture is not reordered
1929
                *flags = MOV_SYNC_SAMPLE;
1930
            else
1931
                *flags = MOV_PARTIAL_SYNC_SAMPLE;
1932
            break;
1933
        }
1934
    }
1935
    return 0;
1936
}
1937

    
1938
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1939
{
1940
    MOVMuxContext *mov = s->priv_data;
1941
    AVIOContext *pb = s->pb;
1942
    MOVTrack *trk = &mov->tracks[pkt->stream_index];
1943
    AVCodecContext *enc = trk->enc;
1944
    unsigned int samplesInChunk = 0;
1945
    int size= pkt->size;
1946

    
1947
    if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1948
    if (!size) return 0; /* Discard 0 sized packets */
1949

    
1950
    if (enc->codec_id == CODEC_ID_AMR_NB) {
1951
        /* We must find out how many AMR blocks there are in one packet */
1952
        static uint16_t packed_size[16] =
1953
            {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1954
        int len = 0;
1955

    
1956
        while (len < size && samplesInChunk < 100) {
1957
            len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1958
            samplesInChunk++;
1959
        }
1960
        if(samplesInChunk > 1){
1961
            av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1962
            return -1;
1963
        }
1964
    } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
1965
               enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
1966
        samplesInChunk = enc->frame_size;
1967
    } else if (trk->sampleSize)
1968
        samplesInChunk = size/trk->sampleSize;
1969
    else
1970
        samplesInChunk = 1;
1971

    
1972
    /* copy extradata if it exists */
1973
    if (trk->vosLen == 0 && enc->extradata_size > 0) {
1974
        trk->vosLen = enc->extradata_size;
1975
        trk->vosData = av_malloc(trk->vosLen);
1976
        memcpy(trk->vosData, enc->extradata, trk->vosLen);
1977
    }
1978

    
1979
    if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1980
        /* from x264 or from bytestream h264 */
1981
        /* nal reformating needed */
1982
        size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
1983
    } else {
1984
        avio_write(pb, pkt->data, size);
1985
    }
1986

    
1987
    if ((enc->codec_id == CODEC_ID_DNXHD ||
1988
         enc->codec_id == CODEC_ID_AC3) && !trk->vosLen) {
1989
        /* copy frame to create needed atoms */
1990
        trk->vosLen = size;
1991
        trk->vosData = av_malloc(size);
1992
        if (!trk->vosData)
1993
            return AVERROR(ENOMEM);
1994
        memcpy(trk->vosData, pkt->data, size);
1995
    }
1996

    
1997
    if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1998
        trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1999
        if (!trk->cluster)
2000
            return -1;
2001
    }
2002

    
2003
    trk->cluster[trk->entry].pos = url_ftell(pb) - size;
2004
    trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
2005
    trk->cluster[trk->entry].size = size;
2006
    trk->cluster[trk->entry].entries = samplesInChunk;
2007
    trk->cluster[trk->entry].dts = pkt->dts;
2008
    trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
2009

    
2010
    if (pkt->pts == AV_NOPTS_VALUE) {
2011
        av_log(s, AV_LOG_WARNING, "pts has no value\n");
2012
        pkt->pts = pkt->dts;
2013
    }
2014
    if (pkt->dts != pkt->pts)
2015
        trk->flags |= MOV_TRACK_CTTS;
2016
    trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
2017
    trk->cluster[trk->entry].flags = 0;
2018
    if (pkt->flags & AV_PKT_FLAG_KEY) {
2019
        if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
2020
            trk->entry > 0) { // force sync sample for the first key frame
2021
            mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
2022
            if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
2023
                trk->flags |= MOV_TRACK_STPS;
2024
        } else {
2025
            trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
2026
        }
2027
        if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
2028
            trk->hasKeyframes++;
2029
    }
2030
    trk->entry++;
2031
    trk->sampleCount += samplesInChunk;
2032
    mov->mdat_size += size;
2033

    
2034
    put_flush_packet(pb);
2035

    
2036
    if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
2037
        ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry);
2038
    return 0;
2039
}
2040

    
2041
// QuickTime chapters involve an additional text track with the chapter names
2042
// as samples, and a tref pointing from the other tracks to the chapter one.
2043
static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
2044
{
2045
    MOVMuxContext *mov = s->priv_data;
2046
    MOVTrack *track = &mov->tracks[tracknum];
2047
    AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
2048
    int i, len;
2049

    
2050
    track->mode = mov->mode;
2051
    track->tag = MKTAG('t','e','x','t');
2052
    track->timescale = MOV_TIMESCALE;
2053
    track->enc = avcodec_alloc_context();
2054
    track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
2055

    
2056
    for (i = 0; i < s->nb_chapters; i++) {
2057
        AVChapter *c = s->chapters[i];
2058
        AVMetadataTag *t;
2059

    
2060
        int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
2061
        pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
2062
        pkt.duration = end - pkt.dts;
2063

    
2064
        if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
2065
            len = strlen(t->value);
2066
            pkt.size = len+2;
2067
            pkt.data = av_malloc(pkt.size);
2068
            AV_WB16(pkt.data, len);
2069
            memcpy(pkt.data+2, t->value, len);
2070
            ff_mov_write_packet(s, &pkt);
2071
            av_freep(&pkt.data);
2072
        }
2073
    }
2074
}
2075

    
2076
static int mov_write_header(AVFormatContext *s)
2077
{
2078
    AVIOContext *pb = s->pb;
2079
    MOVMuxContext *mov = s->priv_data;
2080
    int i, hint_track = 0;
2081

    
2082
    if (url_is_streamed(s->pb)) {
2083
        av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
2084
        return -1;
2085
    }
2086

    
2087
    /* Default mode == MP4 */
2088
    mov->mode = MODE_MP4;
2089

    
2090
    if (s->oformat != NULL) {
2091
        if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
2092
        else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
2093
        else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
2094
        else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
2095
        else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
2096

    
2097
        mov_write_ftyp_tag(pb,s);
2098
        if (mov->mode == MODE_PSP) {
2099
            if (s->nb_streams != 2) {
2100
                av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
2101
                return -1;
2102
            }
2103
            mov_write_uuidprof_tag(pb,s);
2104
        }
2105
    }
2106

    
2107
    mov->nb_streams = s->nb_streams;
2108
    if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
2109
        mov->chapter_track = mov->nb_streams++;
2110

    
2111
    if (s->flags & AVFMT_FLAG_RTP_HINT) {
2112
        /* Add hint tracks for each audio and video stream */
2113
        hint_track = mov->nb_streams;
2114
        for (i = 0; i < s->nb_streams; i++) {
2115
            AVStream *st = s->streams[i];
2116
            if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2117
                st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2118
                mov->nb_streams++;
2119
            }
2120
        }
2121
    }
2122

    
2123
    mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
2124
    if (!mov->tracks)
2125
        return AVERROR(ENOMEM);
2126

    
2127
    for(i=0; i<s->nb_streams; i++){
2128
        AVStream *st= s->streams[i];
2129
        MOVTrack *track= &mov->tracks[i];
2130
        AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL,0);
2131

    
2132
        track->enc = st->codec;
2133
        track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
2134
        if (track->language < 0)
2135
            track->language = 0;
2136
        track->mode = mov->mode;
2137
        track->tag = mov_find_codec_tag(s, track);
2138
        if (!track->tag) {
2139
            av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
2140
                   "codec not currently supported in container\n", i);
2141
            goto error;
2142
        }
2143
        /* If hinting of this track is enabled by a later hint track,
2144
         * this is updated. */
2145
        track->hint_track = -1;
2146
        if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
2147
            if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
2148
                track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
2149
                track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
2150
                if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
2151
                    av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
2152
                    goto error;
2153
                }
2154
                track->height = track->tag>>24 == 'n' ? 486 : 576;
2155
            }
2156
            track->timescale = st->codec->time_base.den;
2157
            if (track->mode == MODE_MOV && track->timescale > 100000)
2158
                av_log(s, AV_LOG_WARNING,
2159
                       "WARNING codec timebase is very high. If duration is too long,\n"
2160
                       "file may not be playable by quicktime. Specify a shorter timebase\n"
2161
                       "or choose different container.\n");
2162
        }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
2163
            track->timescale = st->codec->sample_rate;
2164
            if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
2165
                av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
2166
                goto error;
2167
            }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
2168
                     st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
2169
                if (!st->codec->block_align) {
2170
                    av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
2171
                    goto error;
2172
                }
2173
                track->sampleSize = st->codec->block_align;
2174
            }else if(st->codec->frame_size > 1){ /* assume compressed audio */
2175
                track->audio_vbr = 1;
2176
            }else{
2177
                st->codec->frame_size = 1;
2178
                track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
2179
            }
2180
            if (track->mode != MODE_MOV) {
2181
                if (track->timescale > UINT16_MAX) {
2182
                    av_log(s, AV_LOG_ERROR, "track %d: output format does not support "
2183
                           "sample rate %dhz\n", i, track->timescale);
2184
                    goto error;
2185
                }
2186
                if (track->enc->codec_id == CODEC_ID_MP3 && track->timescale < 16000) {
2187
                    av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
2188
                           i, track->enc->sample_rate);
2189
                    goto error;
2190
                }
2191
            }
2192
        }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
2193
            track->timescale = st->codec->time_base.den;
2194
        }
2195
        if (!track->height)
2196
            track->height = st->codec->height;
2197

    
2198
        av_set_pts_info(st, 64, 1, track->timescale);
2199
    }
2200

    
2201
    mov_write_mdat_tag(pb, mov);
2202
    mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
2203

    
2204
    if (mov->chapter_track)
2205
        mov_create_chapter_track(s, mov->chapter_track);
2206

    
2207
    if (s->flags & AVFMT_FLAG_RTP_HINT) {
2208
        /* Initialize the hint tracks for each audio and video stream */
2209
        for (i = 0; i < s->nb_streams; i++) {
2210
            AVStream *st = s->streams[i];
2211
            if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2212
                st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2213
                ff_mov_init_hinting(s, hint_track, i);
2214
                hint_track++;
2215
            }
2216
        }
2217
    }
2218

    
2219
    put_flush_packet(pb);
2220

    
2221
    return 0;
2222
 error:
2223
    av_freep(&mov->tracks);
2224
    return -1;
2225
}
2226

    
2227
static int mov_write_trailer(AVFormatContext *s)
2228
{
2229
    MOVMuxContext *mov = s->priv_data;
2230
    AVIOContext *pb = s->pb;
2231
    int res = 0;
2232
    int i;
2233

    
2234
    int64_t moov_pos = url_ftell(pb);
2235

    
2236
    /* Write size of mdat tag */
2237
    if (mov->mdat_size+8 <= UINT32_MAX) {
2238
        url_fseek(pb, mov->mdat_pos, SEEK_SET);
2239
        avio_wb32(pb, mov->mdat_size+8);
2240
    } else {
2241
        /* overwrite 'wide' placeholder atom */
2242
        url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
2243
        avio_wb32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
2244
        ffio_wfourcc(pb, "mdat");
2245
        avio_wb64(pb, mov->mdat_size+16);
2246
    }
2247
    url_fseek(pb, moov_pos, SEEK_SET);
2248

    
2249
    mov_write_moov_tag(pb, mov, s);
2250

    
2251
    if (mov->chapter_track)
2252
        av_freep(&mov->tracks[mov->chapter_track].enc);
2253

    
2254
    for (i=0; i<mov->nb_streams; i++) {
2255
        if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
2256
            ff_mov_close_hinting(&mov->tracks[i]);
2257
        av_freep(&mov->tracks[i].cluster);
2258

    
2259
        if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
2260

    
2261
    }
2262

    
2263
    put_flush_packet(pb);
2264

    
2265
    av_freep(&mov->tracks);
2266

    
2267
    return res;
2268
}
2269

    
2270
#if CONFIG_MOV_MUXER
2271
AVOutputFormat ff_mov_muxer = {
2272
    "mov",
2273
    NULL_IF_CONFIG_SMALL("MOV format"),
2274
    NULL,
2275
    "mov",
2276
    sizeof(MOVMuxContext),
2277
    CODEC_ID_AAC,
2278
    CODEC_ID_MPEG4,
2279
    mov_write_header,
2280
    ff_mov_write_packet,
2281
    mov_write_trailer,
2282
    .flags = AVFMT_GLOBALHEADER,
2283
    .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
2284
};
2285
#endif
2286
#if CONFIG_TGP_MUXER
2287
AVOutputFormat ff_tgp_muxer = {
2288
    "3gp",
2289
    NULL_IF_CONFIG_SMALL("3GP format"),
2290
    NULL,
2291
    "3gp",
2292
    sizeof(MOVMuxContext),
2293
    CODEC_ID_AMR_NB,
2294
    CODEC_ID_H263,
2295
    mov_write_header,
2296
    ff_mov_write_packet,
2297
    mov_write_trailer,
2298
    .flags = AVFMT_GLOBALHEADER,
2299
    .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2300
};
2301
#endif
2302
#if CONFIG_MP4_MUXER
2303
AVOutputFormat ff_mp4_muxer = {
2304
    "mp4",
2305
    NULL_IF_CONFIG_SMALL("MP4 format"),
2306
    "application/mp4",
2307
    "mp4",
2308
    sizeof(MOVMuxContext),
2309
    CODEC_ID_AAC,
2310
    CODEC_ID_MPEG4,
2311
    mov_write_header,
2312
    ff_mov_write_packet,
2313
    mov_write_trailer,
2314
    .flags = AVFMT_GLOBALHEADER,
2315
    .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2316
};
2317
#endif
2318
#if CONFIG_PSP_MUXER
2319
AVOutputFormat ff_psp_muxer = {
2320
    "psp",
2321
    NULL_IF_CONFIG_SMALL("PSP MP4 format"),
2322
    NULL,
2323
    "mp4,psp",
2324
    sizeof(MOVMuxContext),
2325
    CODEC_ID_AAC,
2326
    CODEC_ID_MPEG4,
2327
    mov_write_header,
2328
    ff_mov_write_packet,
2329
    mov_write_trailer,
2330
    .flags = AVFMT_GLOBALHEADER,
2331
    .codec_tag = (const AVCodecTag* const []){ff_mp4_obj_type, 0},
2332
};
2333
#endif
2334
#if CONFIG_TG2_MUXER
2335
AVOutputFormat ff_tg2_muxer = {
2336
    "3g2",
2337
    NULL_IF_CONFIG_SMALL("3GP2 format"),
2338
    NULL,
2339
    "3g2",
2340
    sizeof(MOVMuxContext),
2341
    CODEC_ID_AMR_NB,
2342
    CODEC_ID_H263,
2343
    mov_write_header,
2344
    ff_mov_write_packet,
2345
    mov_write_trailer,
2346
    .flags = AVFMT_GLOBALHEADER,
2347
    .codec_tag = (const AVCodecTag* const []){codec_3gp_tags, 0},
2348
};
2349
#endif
2350
#if CONFIG_IPOD_MUXER
2351
AVOutputFormat ff_ipod_muxer = {
2352
    "ipod",
2353
    NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
2354
    "application/mp4",
2355
    "m4v,m4a",
2356
    sizeof(MOVMuxContext),
2357
    CODEC_ID_AAC,
2358
    CODEC_ID_H264,
2359
    mov_write_header,
2360
    ff_mov_write_packet,
2361
    mov_write_trailer,
2362
    .flags = AVFMT_GLOBALHEADER,
2363
    .codec_tag = (const AVCodecTag* const []){codec_ipod_tags, 0},
2364
};
2365
#endif