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ffmpeg / libavformat / movenc.c @ cabc1a7d

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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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 *
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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
9
 * 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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 */
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#include "avformat.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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#undef NDEBUG
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#include <assert.h>
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#define MOV_INDEX_CLUSTER_SIZE 16384
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#define globalTimescale 1000
33

    
34
#define MODE_MP4 0
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#define MODE_MOV 1
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#define MODE_3GP 2
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#define MODE_PSP 3 // example working PSP command line:
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// ffmpeg -i testinput.avi  -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
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#define MODE_3G2 4
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#define MODE_IPOD 5
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typedef struct MOVIentry {
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    unsigned int flags, size;
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    uint64_t     pos;
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    unsigned int samplesInChunk;
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    char         key_frame;
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    unsigned int entries;
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    int64_t      cts;
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    int64_t      dts;
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} MOVIentry;
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typedef struct MOVIndex {
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    int         mode;
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    int         entry;
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    long        timescale;
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    long        time;
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    int64_t     trackDuration;
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    long        sampleCount;
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    long        sampleSize;
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    int         hasKeyframes;
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    int         hasBframes;
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    int         language;
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    int         trackID;
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    int         tag; ///< stsd fourcc
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    AVCodecContext *enc;
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    int         vosLen;
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    uint8_t     *vosData;
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    MOVIentry   *cluster;
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    int         audio_vbr;
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} MOVTrack;
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typedef struct MOVContext {
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    int     mode;
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    int64_t time;
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    int     nb_streams;
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    offset_t mdat_pos;
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    uint64_t mdat_size;
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    long    timescale;
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    MOVTrack tracks[MAX_STREAMS];
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} MOVContext;
82

    
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//FIXME support 64 bit variant with wide placeholders
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static offset_t updateSize(ByteIOContext *pb, offset_t pos)
85
{
86
    offset_t curpos = url_ftell(pb);
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    url_fseek(pb, pos, SEEK_SET);
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    put_be32(pb, curpos - pos); /* rewrite size */
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    url_fseek(pb, curpos, SEEK_SET);
90

    
91
    return curpos - pos;
92
}
93

    
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/* Chunk offset atom */
95
static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack *track)
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{
97
    int i;
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    int mode64 = 0; //   use 32 bit size variant if possible
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    offset_t pos = url_ftell(pb);
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    put_be32(pb, 0); /* size */
101
    if (pos > UINT32_MAX) {
102
        mode64 = 1;
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        put_tag(pb, "co64");
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    } else
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        put_tag(pb, "stco");
106
    put_be32(pb, 0); /* version & flags */
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    put_be32(pb, track->entry); /* entry count */
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    for (i=0; i<track->entry; i++) {
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        if(mode64 == 1)
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            put_be64(pb, track->cluster[i].pos);
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        else
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            put_be32(pb, track->cluster[i].pos);
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    }
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    return updateSize (pb, pos);
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}
116

    
117
/* Sample size atom */
118
static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack *track)
119
{
120
    int equalChunks = 1;
121
    int i, j, entries = 0, tst = -1, oldtst = -1;
122

    
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    offset_t pos = url_ftell(pb);
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    put_be32(pb, 0); /* size */
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    put_tag(pb, "stsz");
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    put_be32(pb, 0); /* version & flags */
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    for (i=0; i<track->entry; i++) {
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        tst = track->cluster[i].size/track->cluster[i].entries;
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        if(oldtst != -1 && tst != oldtst) {
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            equalChunks = 0;
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        }
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        oldtst = tst;
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        entries += track->cluster[i].entries;
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    }
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    if (equalChunks) {
137
        int sSize = track->cluster[0].size/track->cluster[0].entries;
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        put_be32(pb, sSize); // sample size
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        put_be32(pb, entries); // sample count
140
    }
141
    else {
142
        put_be32(pb, 0); // sample size
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        put_be32(pb, entries); // sample count
144
        for (i=0; i<track->entry; i++) {
145
            for (j=0; j<track->cluster[i].entries; j++) {
146
                put_be32(pb, track->cluster[i].size /
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                         track->cluster[i].entries);
148
            }
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        }
150
    }
151
    return updateSize (pb, pos);
152
}
153

    
154
/* Sample to chunk atom */
155
static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack *track)
156
{
157
    int index = 0, oldval = -1, i;
158
    offset_t entryPos, curpos;
159

    
160
    offset_t pos = url_ftell(pb);
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    put_be32(pb, 0); /* size */
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    put_tag(pb, "stsc");
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    put_be32(pb, 0); // version & flags
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    entryPos = url_ftell(pb);
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    put_be32(pb, track->entry); // entry count
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    for (i=0; i<track->entry; i++) {
167
        if(oldval != track->cluster[i].samplesInChunk)
168
        {
169
            put_be32(pb, i+1); // first chunk
170
            put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
171
            put_be32(pb, 0x1); // sample description index
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            oldval = track->cluster[i].samplesInChunk;
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            index++;
174
        }
175
    }
176
    curpos = url_ftell(pb);
177
    url_fseek(pb, entryPos, SEEK_SET);
178
    put_be32(pb, index); // rewrite size
179
    url_fseek(pb, curpos, SEEK_SET);
180

    
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    return updateSize (pb, pos);
182
}
183

    
184
/* Sync sample atom */
185
static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack *track)
186
{
187
    offset_t curpos, entryPos;
188
    int i, index = 0;
189
    offset_t pos = url_ftell(pb);
190
    put_be32(pb, 0); // size
191
    put_tag(pb, "stss");
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    put_be32(pb, 0); // version & flags
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    entryPos = url_ftell(pb);
194
    put_be32(pb, track->entry); // entry count
195
    for (i=0; i<track->entry; i++) {
196
        if(track->cluster[i].key_frame == 1) {
197
            put_be32(pb, i+1);
198
            index++;
199
        }
200
    }
201
    curpos = url_ftell(pb);
202
    url_fseek(pb, entryPos, SEEK_SET);
203
    put_be32(pb, index); // rewrite size
204
    url_fseek(pb, curpos, SEEK_SET);
205
    return updateSize (pb, pos);
206
}
207

    
208
static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
209
{
210
    put_be32(pb, 0x11); /* size */
211
    if (track->mode == MODE_MOV) put_tag(pb, "samr");
212
    else                         put_tag(pb, "damr");
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    put_tag(pb, "FFMP");
214
    put_byte(pb, 0); /* decoder version */
215

    
216
    put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
217
    put_byte(pb, 0x00); /* Mode change period (no restriction) */
218
    put_byte(pb, 0x01); /* Frames per sample */
219
    return 0x11;
220
}
221

    
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/**
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(ByteIOContext *pb, MOVTrack *track)
227
{
228
    put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
229
    return track->enc->extradata_size;
230
}
231

    
232
static int mov_write_enda_tag(ByteIOContext *pb)
233
{
234
    put_be32(pb, 10);
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    put_tag(pb, "enda");
236
    put_be16(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(ByteIOContext *pb, int tag, unsigned int size)
248
{
249
    int i= descrLength(size) - size - 2;
250
    put_byte(pb, tag);
251
    for(; i>0; i--)
252
        put_byte(pb, (size>>(7*i)) | 0x80);
253
    put_byte(pb, size & 0x7F);
254
}
255

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

    
261
    put_be32(pb, 0); // size
262
    put_tag(pb, "esds");
263
    put_be32(pb, 0); // Version
264

    
265
    // ES descriptor
266
    putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
267
             descrLength(1));
268
    put_be16(pb, track->trackID);
269
    put_byte(pb, 0x00); // flags (= no flags)
270

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

    
274
    // Object type indication
275
    put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
276

    
277
    // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
278
    // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
279
    if(track->enc->codec_type == CODEC_TYPE_AUDIO)
280
        put_byte(pb, 0x15); // flags (= Audiostream)
281
    else
282
        put_byte(pb, 0x11); // flags (= Visualstream)
283

    
284
    put_byte(pb,  track->enc->rc_buffer_size>>(3+16));    // Buffersize DB (24 bits)
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    put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
286

    
287
    put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
288
    if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
289
        put_be32(pb, 0); // vbr
290
    else
291
        put_be32(pb, track->enc->rc_max_rate); // avg bitrate
292

    
293
    if (track->vosLen) {
294
        // DecoderSpecific info descriptor
295
        putDescr(pb, 0x05, track->vosLen);
296
        put_buffer(pb, track->vosData, track->vosLen);
297
    }
298

    
299
    // SL descriptor
300
    putDescr(pb, 0x06, 1);
301
    put_byte(pb, 0x02);
302
    return updateSize (pb, pos);
303
}
304

    
305
static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
306
{
307
    offset_t pos = url_ftell(pb);
308

    
309
    put_be32(pb, 0);     /* size */
310
    put_tag(pb, "wave");
311

    
312
    put_be32(pb, 12);    /* size */
313
    put_tag(pb, "frma");
314
    put_le32(pb, track->tag);
315

    
316
    if (track->enc->codec_id == CODEC_ID_AAC) {
317
        /* useless atom needed by mplayer, ipod, not needed by quicktime */
318
        put_be32(pb, 12); /* size */
319
        put_tag(pb, "mp4a");
320
        put_be32(pb, 0);
321
        mov_write_esds_tag(pb, track);
322
    } else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
323
               track->enc->codec_id == CODEC_ID_PCM_S32LE) {
324
        mov_write_enda_tag(pb);
325
    } else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
326
        mov_write_amr_tag(pb, track);
327
    } else if (track->enc->codec_id == CODEC_ID_ALAC) {
328
        mov_write_extradata_tag(pb, track);
329
    }
330

    
331
    put_be32(pb, 8);     /* size */
332
    put_be32(pb, 0);     /* null tag */
333

    
334
    return updateSize (pb, pos);
335
}
336

    
337
static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
338
{
339
    put_be32(pb, track->vosLen+8);
340
    put_tag(pb, "glbl");
341
    put_buffer(pb, track->vosData, track->vosLen);
342
    return 8+track->vosLen;
343
}
344

    
345
static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
346
{
347
    offset_t pos = url_ftell(pb);
348
    int version = track->mode == MODE_MOV &&
349
        (track->audio_vbr ||
350
         track->enc->codec_id == CODEC_ID_PCM_S32LE ||
351
         track->enc->codec_id == CODEC_ID_PCM_S24LE);
352

    
353
    put_be32(pb, 0); /* size */
354
    put_le32(pb, track->tag); // store it byteswapped
355
    put_be32(pb, 0); /* Reserved */
356
    put_be16(pb, 0); /* Reserved */
357
    put_be16(pb, 1); /* Data-reference index, XXX  == 1 */
358

    
359
    /* SoundDescription */
360
    put_be16(pb, version); /* Version */
361
    put_be16(pb, 0); /* Revision level */
362
    put_be32(pb, 0); /* Reserved */
363

    
364
    if (track->mode == MODE_MOV) {
365
        put_be16(pb, track->enc->channels);
366
        if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
367
            track->enc->codec_id == CODEC_ID_PCM_S8)
368
            put_be16(pb, 8); /* bits per sample */
369
        else
370
            put_be16(pb, 16);
371
        put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
372
    } else { /* reserved for mp4/3gp */
373
        put_be16(pb, 2);
374
        put_be16(pb, 16);
375
        put_be16(pb, 0);
376
    }
377

    
378
    put_be16(pb, 0); /* packet size (= 0) */
379
    put_be16(pb, track->timescale); /* Time scale */
380
    put_be16(pb, 0); /* Reserved */
381

    
382
    if(version == 1) { /* SoundDescription V1 extended info */
383
        put_be32(pb, track->enc->frame_size); /* Samples per packet */
384
        put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
385
        put_be32(pb, track->sampleSize); /* Bytes per frame */
386
        put_be32(pb, 2); /* Bytes per sample */
387
    }
388

    
389
    if(track->mode == MODE_MOV &&
390
       (track->enc->codec_id == CODEC_ID_AAC ||
391
        track->enc->codec_id == CODEC_ID_AMR_NB ||
392
        track->enc->codec_id == CODEC_ID_PCM_S24LE ||
393
        track->enc->codec_id == CODEC_ID_PCM_S32LE ||
394
        track->enc->codec_id == CODEC_ID_ALAC))
395
        mov_write_wave_tag(pb, track);
396
    else if(track->tag == MKTAG('m','p','4','a'))
397
        mov_write_esds_tag(pb, track);
398
    else if(track->enc->codec_id == CODEC_ID_AMR_NB)
399
        mov_write_amr_tag(pb, track);
400
    else if(track->vosLen > 0)
401
        mov_write_glbl_tag(pb, track);
402

    
403
    return updateSize (pb, pos);
404
}
405

    
406
static int mov_write_d263_tag(ByteIOContext *pb)
407
{
408
    put_be32(pb, 0xf); /* size */
409
    put_tag(pb, "d263");
410
    put_tag(pb, "FFMP");
411
    put_byte(pb, 0); /* decoder version */
412
    /* FIXME use AVCodecContext level/profile, when encoder will set values */
413
    put_byte(pb, 0xa); /* level */
414
    put_byte(pb, 0); /* profile */
415
    return 0xf;
416
}
417

    
418
/* TODO: No idea about these values */
419
static int mov_write_svq3_tag(ByteIOContext *pb)
420
{
421
    put_be32(pb, 0x15);
422
    put_tag(pb, "SMI ");
423
    put_tag(pb, "SEQH");
424
    put_be32(pb, 0x5);
425
    put_be32(pb, 0xe2c0211d);
426
    put_be32(pb, 0xc0000000);
427
    put_byte(pb, 0);
428
    return 0x15;
429
}
430

    
431
static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
432
{
433
    offset_t pos = url_ftell(pb);
434

    
435
    put_be32(pb, 0);
436
    put_tag(pb, "avcC");
437
    ff_isom_write_avcc(pb, track->vosData, track->vosLen);
438
    return updateSize(pb, pos);
439
}
440

    
441
/* also used by all avid codecs (dv, imx, meridien) and their variants */
442
static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
443
{
444
    int i;
445
    put_be32(pb, 24); /* size */
446
    put_tag(pb, "ACLR");
447
    put_tag(pb, "ACLR");
448
    put_tag(pb, "0001");
449
    put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
450
    put_be32(pb, 0); /* unknown */
451

    
452
    put_be32(pb, 24); /* size */
453
    put_tag(pb, "APRG");
454
    put_tag(pb, "APRG");
455
    put_tag(pb, "0001");
456
    put_be32(pb, 1); /* unknown */
457
    put_be32(pb, 0); /* unknown */
458

    
459
    put_be32(pb, 120); /* size */
460
    put_tag(pb, "ARES");
461
    put_tag(pb, "ARES");
462
    put_tag(pb, "0001");
463
    put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
464
    put_be32(pb, track->enc->width);
465
    /* values below are based on samples created with quicktime and avid codecs */
466
    if (track->vosData[5] & 2) { // interlaced
467
        put_be32(pb, track->enc->height/2);
468
        put_be32(pb, 2); /* unknown */
469
        put_be32(pb, 0); /* unknown */
470
        put_be32(pb, 4); /* unknown */
471
    } else {
472
        put_be32(pb, track->enc->height);
473
        put_be32(pb, 1); /* unknown */
474
        put_be32(pb, 0); /* unknown */
475
        if (track->enc->height == 1080)
476
            put_be32(pb, 5); /* unknown */
477
        else
478
            put_be32(pb, 6); /* unknown */
479
    }
480
    /* padding */
481
    for (i = 0; i < 10; i++)
482
        put_be64(pb, 0);
483

    
484
    /* extra padding for stsd needed */
485
    put_be32(pb, 0);
486
    return 0;
487
}
488

    
489
static const AVCodecTag codec_3gp_tags[] = {
490
    { CODEC_ID_H263,   MKTAG('s','2','6','3') },
491
    { CODEC_ID_H264,   MKTAG('a','v','c','1') },
492
    { CODEC_ID_MPEG4,  MKTAG('m','p','4','v') },
493
    { CODEC_ID_AAC,    MKTAG('m','p','4','a') },
494
    { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
495
    { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
496
};
497

    
498
static const AVCodecTag mov_pix_fmt_tags[] = {
499
    { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
500
    { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
501
    { PIX_FMT_BGR555,  MKTAG('r','a','w',' ') },
502
    { PIX_FMT_RGB24,   MKTAG('r','a','w',' ') },
503
    { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
504
};
505

    
506
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
507
{
508
    int tag = track->enc->codec_tag;
509
    if (track->mode == MODE_MP4 || track->mode == MODE_PSP || track->mode == MODE_IPOD) {
510
        if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
511
            return 0;
512
        if (track->enc->codec_id == CODEC_ID_H264)           tag = MKTAG('a','v','c','1');
513
        else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
514
        else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
515
    } else if (track->mode == MODE_3GP || track->mode == MODE_3G2) {
516
        tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
517
    } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
518
                        (tag == MKTAG('d','v','c','p') ||
519
                         track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
520
        if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
521
            if (track->enc->height == 480) /* NTSC */
522
                if  (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
523
                else                                         tag = MKTAG('d','v','c',' ');
524
            else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
525
            else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
526
            else                                             tag = MKTAG('d','v','p','p');
527
        } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
528
            tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
529
            if (!tag) // restore tag
530
                tag = track->enc->codec_tag;
531
        } else {
532
            if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
533
                tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
534
                if (!tag) { // if no mac fcc found, try with Microsoft tags
535
                    tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
536
                    if (tag)
537
                        av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
538
                               "the file may be unplayable!\n");
539
                }
540
            } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
541
                tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
542
                if (!tag) { // if no mac fcc found, try with Microsoft tags
543
                    int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
544
                    if (ms_tag) {
545
                        tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
546
                        av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
547
                               "the file may be unplayable!\n");
548
                    }
549
                }
550
            }
551
        }
552
    }
553
    return tag;
554
}
555

    
556
/** Write uuid atom.
557
 * Needed to make file play in iPods running newest firmware
558
 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
559
 */
560
static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
561
{
562
    put_be32(pb, 28);
563
    put_tag(pb, "uuid");
564
    put_be32(pb, 0x6b6840f2);
565
    put_be32(pb, 0x5f244fc5);
566
    put_be32(pb, 0xba39a51b);
567
    put_be32(pb, 0xcf0323f3);
568
    put_be32(pb, 0x0);
569
    return 28;
570
}
571

    
572
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
573
{
574
    offset_t pos = url_ftell(pb);
575
    char compressor_name[32];
576

    
577
    put_be32(pb, 0); /* size */
578
    put_le32(pb, track->tag); // store it byteswapped
579
    put_be32(pb, 0); /* Reserved */
580
    put_be16(pb, 0); /* Reserved */
581
    put_be16(pb, 1); /* Data-reference index */
582

    
583
    put_be16(pb, 0); /* Codec stream version */
584
    put_be16(pb, 0); /* Codec stream revision (=0) */
585
    if (track->mode == MODE_MOV) {
586
        put_tag(pb, "FFMP"); /* Vendor */
587
        if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
588
            put_be32(pb, 0); /* Temporal Quality */
589
            put_be32(pb, 0x400); /* Spatial Quality = lossless*/
590
        } else {
591
            put_be32(pb, 0x200); /* Temporal Quality = normal */
592
            put_be32(pb, 0x200); /* Spatial Quality = normal */
593
        }
594
    } else {
595
        put_be32(pb, 0); /* Reserved */
596
        put_be32(pb, 0); /* Reserved */
597
        put_be32(pb, 0); /* Reserved */
598
    }
599
    put_be16(pb, track->enc->width); /* Video width */
600
    put_be16(pb, track->enc->height); /* Video height */
601
    put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
602
    put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
603
    put_be32(pb, 0); /* Data size (= 0) */
604
    put_be16(pb, 1); /* Frame count (= 1) */
605

    
606
    memset(compressor_name,0,32);
607
    /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
608
    if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
609
        strncpy(compressor_name,track->enc->codec->name,31);
610
    put_byte(pb, strlen(compressor_name));
611
    put_buffer(pb, compressor_name, 31);
612

    
613
    if (track->mode == MODE_MOV && track->enc->bits_per_sample)
614
        put_be16(pb, track->enc->bits_per_sample);
615
    else
616
        put_be16(pb, 0x18); /* Reserved */
617
    put_be16(pb, 0xffff); /* Reserved */
618
    if(track->tag == MKTAG('m','p','4','v'))
619
        mov_write_esds_tag(pb, track);
620
    else if(track->enc->codec_id == CODEC_ID_H263)
621
        mov_write_d263_tag(pb);
622
    else if(track->enc->codec_id == CODEC_ID_SVQ3)
623
        mov_write_svq3_tag(pb);
624
    else if(track->enc->codec_id == CODEC_ID_DNXHD)
625
        mov_write_avid_tag(pb, track);
626
    else if(track->enc->codec_id == CODEC_ID_H264) {
627
        mov_write_avcc_tag(pb, track);
628
        if(track->mode == MODE_IPOD)
629
            mov_write_uuid_tag_ipod(pb);
630
    } else if(track->vosLen > 0)
631
        mov_write_glbl_tag(pb, track);
632

    
633
    return updateSize (pb, pos);
634
}
635

    
636
static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
637
{
638
    offset_t pos = url_ftell(pb);
639
    put_be32(pb, 0); /* size */
640
    put_tag(pb, "stsd");
641
    put_be32(pb, 0); /* version & flags */
642
    put_be32(pb, 1); /* entry count */
643
    if (track->enc->codec_type == CODEC_TYPE_VIDEO)
644
        mov_write_video_tag(pb, track);
645
    else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
646
        mov_write_audio_tag(pb, track);
647
    return updateSize(pb, pos);
648
}
649

    
650
static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
651
{
652
    MOV_stts_t *ctts_entries;
653
    uint32_t entries = 0;
654
    uint32_t atom_size;
655
    int i;
656

    
657
    ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
658
    ctts_entries[0].count = 1;
659
    ctts_entries[0].duration = track->cluster[0].cts;
660
    for (i=1; i<track->entry; i++) {
661
        if (track->cluster[i].cts == ctts_entries[entries].duration) {
662
            ctts_entries[entries].count++; /* compress */
663
        } else {
664
            entries++;
665
            ctts_entries[entries].duration = track->cluster[i].cts;
666
            ctts_entries[entries].count = 1;
667
        }
668
    }
669
    entries++; /* last one */
670
    atom_size = 16 + (entries * 8);
671
    put_be32(pb, atom_size); /* size */
672
    put_tag(pb, "ctts");
673
    put_be32(pb, 0); /* version & flags */
674
    put_be32(pb, entries); /* entry count */
675
    for (i=0; i<entries; i++) {
676
        put_be32(pb, ctts_entries[i].count);
677
        put_be32(pb, ctts_entries[i].duration);
678
    }
679
    av_free(ctts_entries);
680
    return atom_size;
681
}
682

    
683
/* Time to sample atom */
684
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
685
{
686
    MOV_stts_t *stts_entries;
687
    uint32_t entries = -1;
688
    uint32_t atom_size;
689
    int i;
690

    
691
    if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
692
        stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
693
        stts_entries[0].count = track->sampleCount;
694
        stts_entries[0].duration = 1;
695
        entries = 1;
696
    } else {
697
        stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
698
        for (i=0; i<track->entry; i++) {
699
            int64_t duration = i + 1 == track->entry ?
700
                track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
701
                track->cluster[i+1].dts - track->cluster[i].dts;
702
            if (i && duration == stts_entries[entries].duration) {
703
                stts_entries[entries].count++; /* compress */
704
            } else {
705
                entries++;
706
                stts_entries[entries].duration = duration;
707
                stts_entries[entries].count = 1;
708
            }
709
        }
710
        entries++; /* last one */
711
    }
712
    atom_size = 16 + (entries * 8);
713
    put_be32(pb, atom_size); /* size */
714
    put_tag(pb, "stts");
715
    put_be32(pb, 0); /* version & flags */
716
    put_be32(pb, entries); /* entry count */
717
    for (i=0; i<entries; i++) {
718
        put_be32(pb, stts_entries[i].count);
719
        put_be32(pb, stts_entries[i].duration);
720
    }
721
    av_free(stts_entries);
722
    return atom_size;
723
}
724

    
725
static int mov_write_dref_tag(ByteIOContext *pb)
726
{
727
    put_be32(pb, 28); /* size */
728
    put_tag(pb, "dref");
729
    put_be32(pb, 0); /* version & flags */
730
    put_be32(pb, 1); /* entry count */
731

    
732
    put_be32(pb, 0xc); /* size */
733
    put_tag(pb, "url ");
734
    put_be32(pb, 1); /* version & flags */
735

    
736
    return 28;
737
}
738

    
739
static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
740
{
741
    offset_t pos = url_ftell(pb);
742
    put_be32(pb, 0); /* size */
743
    put_tag(pb, "stbl");
744
    mov_write_stsd_tag(pb, track);
745
    mov_write_stts_tag(pb, track);
746
    if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
747
        track->hasKeyframes && track->hasKeyframes < track->entry)
748
        mov_write_stss_tag(pb, track);
749
    if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
750
        track->hasBframes)
751
        mov_write_ctts_tag(pb, track);
752
    mov_write_stsc_tag(pb, track);
753
    mov_write_stsz_tag(pb, track);
754
    mov_write_stco_tag(pb, track);
755
    return updateSize(pb, pos);
756
}
757

    
758
static int mov_write_dinf_tag(ByteIOContext *pb)
759
{
760
    offset_t pos = url_ftell(pb);
761
    put_be32(pb, 0); /* size */
762
    put_tag(pb, "dinf");
763
    mov_write_dref_tag(pb);
764
    return updateSize(pb, pos);
765
}
766

    
767
static int mov_write_smhd_tag(ByteIOContext *pb)
768
{
769
    put_be32(pb, 16); /* size */
770
    put_tag(pb, "smhd");
771
    put_be32(pb, 0); /* version & flags */
772
    put_be16(pb, 0); /* reserved (balance, normally = 0) */
773
    put_be16(pb, 0); /* reserved */
774
    return 16;
775
}
776

    
777
static int mov_write_vmhd_tag(ByteIOContext *pb)
778
{
779
    put_be32(pb, 0x14); /* size (always 0x14) */
780
    put_tag(pb, "vmhd");
781
    put_be32(pb, 0x01); /* version & flags */
782
    put_be64(pb, 0); /* reserved (graphics mode = copy) */
783
    return 0x14;
784
}
785

    
786
static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
787
{
788
    const char *descr, *hdlr, *hdlr_type;
789
    offset_t pos = url_ftell(pb);
790

    
791
    if (!track) { /* no media --> data handler */
792
        hdlr = "dhlr";
793
        hdlr_type = "url ";
794
        descr = "DataHandler";
795
    } else {
796
        hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
797
        if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
798
            hdlr_type = "vide";
799
            descr = "VideoHandler";
800
        } else {
801
            hdlr_type = "soun";
802
            descr = "SoundHandler";
803
        }
804
    }
805

    
806
    put_be32(pb, 0); /* size */
807
    put_tag(pb, "hdlr");
808
    put_be32(pb, 0); /* Version & flags */
809
    put_buffer(pb, hdlr, 4); /* handler */
810
    put_tag(pb, hdlr_type); /* handler type */
811
    put_be32(pb ,0); /* reserved */
812
    put_be32(pb ,0); /* reserved */
813
    put_be32(pb ,0); /* reserved */
814
    put_byte(pb, strlen(descr)); /* string counter */
815
    put_buffer(pb, descr, strlen(descr)); /* handler description */
816
    return updateSize(pb, pos);
817
}
818

    
819
static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
820
{
821
    offset_t pos = url_ftell(pb);
822
    put_be32(pb, 0); /* size */
823
    put_tag(pb, "minf");
824
    if(track->enc->codec_type == CODEC_TYPE_VIDEO)
825
        mov_write_vmhd_tag(pb);
826
    else
827
        mov_write_smhd_tag(pb);
828
    if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
829
        mov_write_hdlr_tag(pb, NULL);
830
    mov_write_dinf_tag(pb);
831
    mov_write_stbl_tag(pb, track);
832
    return updateSize(pb, pos);
833
}
834

    
835
static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
836
{
837
    int version = track->trackDuration < INT32_MAX ? 0 : 1;
838

    
839
    (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
840
    put_tag(pb, "mdhd");
841
    put_byte(pb, version);
842
    put_be24(pb, 0); /* flags */
843
    if (version == 1) {
844
        put_be64(pb, track->time);
845
        put_be64(pb, track->time);
846
    } else {
847
        put_be32(pb, track->time); /* creation time */
848
        put_be32(pb, track->time); /* modification time */
849
    }
850
    put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
851
    (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
852
    put_be16(pb, track->language); /* language */
853
    put_be16(pb, 0); /* reserved (quality) */
854

    
855
    if(version!=0 && track->mode == MODE_MOV){
856
        av_log(NULL, AV_LOG_ERROR,
857
            "FATAL error, file duration too long for timebase, this file will not be\n"
858
            "playable with quicktime. Choose a different timebase or a different\n"
859
            "container format\n");
860
    }
861

    
862
    return 32;
863
}
864

    
865
static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
866
{
867
    offset_t pos = url_ftell(pb);
868
    put_be32(pb, 0); /* size */
869
    put_tag(pb, "mdia");
870
    mov_write_mdhd_tag(pb, track);
871
    mov_write_hdlr_tag(pb, track);
872
    mov_write_minf_tag(pb, track);
873
    return updateSize(pb, pos);
874
}
875

    
876
static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track)
877
{
878
    int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
879
    int version = duration < INT32_MAX ? 0 : 1;
880

    
881
    (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
882
    put_tag(pb, "tkhd");
883
    put_byte(pb, version);
884
    put_be24(pb, 0xf); /* flags (track enabled) */
885
    if (version == 1) {
886
        put_be64(pb, track->time);
887
        put_be64(pb, track->time);
888
    } else {
889
        put_be32(pb, track->time); /* creation time */
890
        put_be32(pb, track->time); /* modification time */
891
    }
892
    put_be32(pb, track->trackID); /* track-id */
893
    put_be32(pb, 0); /* reserved */
894
    (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
895

    
896
    put_be32(pb, 0); /* reserved */
897
    put_be32(pb, 0); /* reserved */
898
    put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
899
    /* Volume, only for audio */
900
    if(track->enc->codec_type == CODEC_TYPE_AUDIO)
901
        put_be16(pb, 0x0100);
902
    else
903
        put_be16(pb, 0);
904
    put_be16(pb, 0); /* reserved */
905

    
906
    /* Matrix structure */
907
    put_be32(pb, 0x00010000); /* reserved */
908
    put_be32(pb, 0x0); /* reserved */
909
    put_be32(pb, 0x0); /* reserved */
910
    put_be32(pb, 0x0); /* reserved */
911
    put_be32(pb, 0x00010000); /* reserved */
912
    put_be32(pb, 0x0); /* reserved */
913
    put_be32(pb, 0x0); /* reserved */
914
    put_be32(pb, 0x0); /* reserved */
915
    put_be32(pb, 0x40000000); /* reserved */
916

    
917
    /* Track width and height, for visual only */
918
    if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
919
        double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
920
        if(!sample_aspect_ratio) sample_aspect_ratio = 1;
921
        put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
922
        put_be32(pb, track->enc->height*0x10000);
923
    }
924
    else {
925
        put_be32(pb, 0);
926
        put_be32(pb, 0);
927
    }
928
    return 0x5c;
929
}
930

    
931
// This box seems important for the psp playback ... without it the movie seems to hang
932
static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
933
{
934
    put_be32(pb, 0x24); /* size  */
935
    put_tag(pb, "edts");
936
    put_be32(pb, 0x1c); /* size  */
937
    put_tag(pb, "elst");
938
    put_be32(pb, 0x0);
939
    put_be32(pb, 0x1);
940

    
941
    put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration   ... doesn't seem to effect psp */
942

    
943
    put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
944
    put_be32(pb, 0x00010000);
945
    return 0x24;
946
}
947

    
948
// goes at the end of each track!  ... Critical for PSP playback ("Incompatible data" without it)
949
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
950
{
951
    put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
952
    put_tag(pb, "uuid");
953
    put_tag(pb, "USMT");
954
    put_be32(pb, 0x21d24fce);
955
    put_be32(pb, 0xbb88695c);
956
    put_be32(pb, 0xfac9c740);
957
    put_be32(pb, 0x1c);     // another size here!
958
    put_tag(pb, "MTDT");
959
    put_be32(pb, 0x00010012);
960
    put_be32(pb, 0x0a);
961
    put_be32(pb, 0x55c40000);
962
    put_be32(pb, 0x1);
963
    put_be32(pb, 0x0);
964
    return 0x34;
965
}
966

    
967
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track)
968
{
969
    offset_t pos = url_ftell(pb);
970
    put_be32(pb, 0); /* size */
971
    put_tag(pb, "trak");
972
    mov_write_tkhd_tag(pb, track);
973
    if (track->mode == MODE_PSP || track->hasBframes)
974
        mov_write_edts_tag(pb, track);  // PSP Movies require edts box
975
    mov_write_mdia_tag(pb, track);
976
    if (track->mode == MODE_PSP)
977
        mov_write_uuid_tag_psp(pb,track);  // PSP Movies require this uuid box
978
    return updateSize(pb, pos);
979
}
980

    
981
#if 0
982
/* TODO: Not sorted out, but not necessary either */
983
static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
984
{
985
    put_be32(pb, 0x15); /* size */
986
    put_tag(pb, "iods");
987
    put_be32(pb, 0);    /* version & flags */
988
    put_be16(pb, 0x1007);
989
    put_byte(pb, 0);
990
    put_be16(pb, 0x4fff);
991
    put_be16(pb, 0xfffe);
992
    put_be16(pb, 0x01ff);
993
    return 0x15;
994
}
995
#endif
996

    
997
static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
998
{
999
    int maxTrackID = 1, i;
1000
    int64_t maxTrackLenTemp, maxTrackLen = 0;
1001
    int version;
1002

    
1003
    for (i=0; i<mov->nb_streams; i++) {
1004
        if(mov->tracks[i].entry > 0) {
1005
            maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1006
            if(maxTrackLen < maxTrackLenTemp)
1007
                maxTrackLen = maxTrackLenTemp;
1008
            if(maxTrackID < mov->tracks[i].trackID)
1009
                maxTrackID = mov->tracks[i].trackID;
1010
        }
1011
    }
1012

    
1013
    version = maxTrackLen < UINT32_MAX ? 0 : 1;
1014
    (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1015
    put_tag(pb, "mvhd");
1016
    put_byte(pb, version);
1017
    put_be24(pb, 0); /* flags */
1018
    if (version == 1) {
1019
        put_be64(pb, mov->time);
1020
        put_be64(pb, mov->time);
1021
    } else {
1022
        put_be32(pb, mov->time); /* creation time */
1023
        put_be32(pb, mov->time); /* modification time */
1024
    }
1025
    put_be32(pb, mov->timescale); /* timescale */
1026
    (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1027

    
1028
    put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1029
    put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1030
    put_be16(pb, 0); /* reserved */
1031
    put_be32(pb, 0); /* reserved */
1032
    put_be32(pb, 0); /* reserved */
1033

    
1034
    /* Matrix structure */
1035
    put_be32(pb, 0x00010000); /* reserved */
1036
    put_be32(pb, 0x0); /* reserved */
1037
    put_be32(pb, 0x0); /* reserved */
1038
    put_be32(pb, 0x0); /* reserved */
1039
    put_be32(pb, 0x00010000); /* reserved */
1040
    put_be32(pb, 0x0); /* reserved */
1041
    put_be32(pb, 0x0); /* reserved */
1042
    put_be32(pb, 0x0); /* reserved */
1043
    put_be32(pb, 0x40000000); /* reserved */
1044

    
1045
    put_be32(pb, 0); /* reserved (preview time) */
1046
    put_be32(pb, 0); /* reserved (preview duration) */
1047
    put_be32(pb, 0); /* reserved (poster time) */
1048
    put_be32(pb, 0); /* reserved (selection time) */
1049
    put_be32(pb, 0); /* reserved (selection duration) */
1050
    put_be32(pb, 0); /* reserved (current time) */
1051
    put_be32(pb, maxTrackID+1); /* Next track id */
1052
    return 0x6c;
1053
}
1054

    
1055
static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
1056
                                     AVFormatContext *s)
1057
{
1058
    offset_t pos = url_ftell(pb);
1059
    put_be32(pb, 0); /* size */
1060
    put_tag(pb, "hdlr");
1061
    put_be32(pb, 0);
1062
    put_be32(pb, 0);
1063
    put_tag(pb, "mdir");
1064
    put_tag(pb, "appl");
1065
    put_be32(pb, 0);
1066
    put_be32(pb, 0);
1067
    put_be16(pb, 0);
1068
    return updateSize(pb, pos);
1069
}
1070

    
1071
/* helper function to write a data tag with the specified string as data */
1072
static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1073
{
1074
    if(long_style){
1075
        offset_t pos = url_ftell(pb);
1076
        put_be32(pb, 0); /* size */
1077
        put_tag(pb, "data");
1078
        put_be32(pb, 1);
1079
        put_be32(pb, 0);
1080
        put_buffer(pb, data, strlen(data));
1081
        return updateSize(pb, pos);
1082
    }else{
1083
        put_be16(pb, strlen(data)); /* string length */
1084
        put_be16(pb, 0);
1085
        put_buffer(pb, data, strlen(data));
1086
        return strlen(data) + 4;
1087
    }
1088
}
1089

    
1090
static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1091
    int size = 0;
1092
    if (value && value[0]) {
1093
        offset_t pos = url_ftell(pb);
1094
        put_be32(pb, 0); /* size */
1095
        put_tag(pb, name);
1096
        mov_write_string_data_tag(pb, value, long_style);
1097
        size= updateSize(pb, pos);
1098
    }
1099
    return size;
1100
}
1101

    
1102
/* iTunes year */
1103
static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1104
{
1105
    if(year){
1106
        char year_str[5];
1107
        snprintf(year_str, sizeof(year_str), "%04d", year);
1108
        return mov_write_string_tag(pb, "\251day", year_str, long_style);
1109
    }else
1110
        return 0;
1111
}
1112

    
1113
/* iTunes track number */
1114
static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
1115
                              AVFormatContext *s)
1116
{
1117
    int size = 0;
1118
    if (s->track) {
1119
        offset_t pos = url_ftell(pb);
1120
        put_be32(pb, 0); /* size */
1121
        put_tag(pb, "trkn");
1122
        {
1123
            offset_t pos = url_ftell(pb);
1124
            put_be32(pb, 0); /* size */
1125
            put_tag(pb, "data");
1126
            put_be32(pb, 0);        // 8 bytes empty
1127
            put_be32(pb, 0);
1128
            put_be16(pb, 0);        // empty
1129
            put_be16(pb, s->track); // track number
1130
            put_be16(pb, 0);        // total track number
1131
            put_be16(pb, 0);        // empty
1132
            updateSize(pb, pos);
1133
        }
1134
        size = updateSize(pb, pos);
1135
    }
1136
    return size;
1137
}
1138

    
1139
/* iTunes meta data list */
1140
static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
1141
                              AVFormatContext *s)
1142
{
1143
    offset_t pos = url_ftell(pb);
1144
    put_be32(pb, 0); /* size */
1145
    put_tag(pb, "ilst");
1146
    mov_write_string_tag(pb, "\251nam", s->title         , 1);
1147
    mov_write_string_tag(pb, "\251ART", s->author        , 1);
1148
    mov_write_string_tag(pb, "\251wrt", s->author        , 1);
1149
    mov_write_string_tag(pb, "\251alb", s->album         , 1);
1150
    mov_write_day_tag(pb, s->year ,1);
1151
    if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1152
        mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1153
    mov_write_string_tag(pb, "\251cmt", s->comment       , 1);
1154
    mov_write_string_tag(pb, "\251gen", s->genre         , 1);
1155
    mov_write_trkn_tag(pb, mov, s);
1156
    return updateSize(pb, pos);
1157
}
1158

    
1159
/* iTunes meta data tag */
1160
static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
1161
                              AVFormatContext *s)
1162
{
1163
    int size = 0;
1164

    
1165
    // only save meta tag if required
1166
    if (s->title[0] || s->author[0] || s->album[0] || s->year ||
1167
         s->comment[0] || s->genre[0] || s->track) {
1168
        offset_t pos = url_ftell(pb);
1169
        put_be32(pb, 0); /* size */
1170
        put_tag(pb, "meta");
1171
        put_be32(pb, 0);
1172
        mov_write_itunes_hdlr_tag(pb, mov, s);
1173
        mov_write_ilst_tag(pb, mov, s);
1174
        size = updateSize(pb, pos);
1175
    }
1176
    return size;
1177
}
1178

    
1179
static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
1180
                              AVFormatContext *s)
1181
{
1182
    int i;
1183

    
1184
    if (s->title[0]   || s->author[0] || s->album[0] || s->year ||
1185
        s->comment[0] || s->genre[0]  || s->track ||
1186
        (mov->mode == MODE_MOV &&
1187
         (mov->tracks[0].enc && !mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))) {
1188
        offset_t pos = url_ftell(pb);
1189

    
1190
        put_be32(pb, 0); /* size */
1191
        put_tag(pb, "udta");
1192

    
1193
        /* iTunes meta data */
1194
        mov_write_meta_tag(pb, mov, s);
1195

    
1196
        if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
1197
            mov_write_string_tag(pb, "\251nam", s->title         , 0);
1198
            mov_write_string_tag(pb, "\251aut", s->author        , 0);
1199
            mov_write_string_tag(pb, "\251alb", s->album         , 0);
1200
            mov_write_day_tag(pb, s->year, 0);
1201
            if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1202
                mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1203
            mov_write_string_tag(pb, "\251des", s->comment       , 0);
1204
            mov_write_string_tag(pb, "\251gen", s->genre         , 0);
1205
        }
1206

    
1207
        return updateSize(pb, pos);
1208
    }
1209

    
1210
    return 0;
1211
}
1212

    
1213
static int utf8len(const uint8_t *b)
1214
{
1215
    int len=0;
1216
    int val;
1217
    while(*b){
1218
        GET_UTF8(val, *b++, return -1;)
1219
        len++;
1220
    }
1221
    return len;
1222
}
1223

    
1224
static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
1225
{
1226
    int val;
1227
    while(*b){
1228
        GET_UTF8(val, *b++, return -1;)
1229
        put_be16(pb, val);
1230
    }
1231
    put_be16(pb, 0x00);
1232
    return 0;
1233
}
1234

    
1235
static uint16_t language_code(const char *str)
1236
{
1237
    return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
1238
}
1239

    
1240
static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
1241
{
1242
    size_t len, size;
1243
    offset_t pos, curpos;
1244

    
1245
    size = 0;
1246
    if (s->title[0]) {
1247
        pos = url_ftell(pb);
1248
        put_be32(pb, 0); /* size placeholder*/
1249
        put_tag(pb, "uuid");
1250
        put_tag(pb, "USMT");
1251
        put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1252
        put_be32(pb, 0xbb88695c);
1253
        put_be32(pb, 0xfac9c740);
1254
        size += 24;
1255

    
1256
        put_be32(pb, 0); /* size placeholder*/
1257
        put_tag(pb, "MTDT");
1258
        put_be16(pb, 4);
1259
        size += 10;
1260

    
1261
        // ?
1262
        put_be16(pb, 0x0C);                 /* size */
1263
        put_be32(pb, 0x0B);                 /* type */
1264
        put_be16(pb, language_code("und")); /* language */
1265
        put_be16(pb, 0x0);                  /* ? */
1266
        put_be16(pb, 0x021C);               /* data */
1267
        size += 12;
1268

    
1269
        // Encoder
1270
        len = utf8len(LIBAVCODEC_IDENT)+1;
1271
        if(len<=0)
1272
            goto not_utf8;
1273
        put_be16(pb, len*2+10);             /* size */
1274
        put_be32(pb, 0x04);                 /* type */
1275
        put_be16(pb, language_code("eng")); /* language */
1276
        put_be16(pb, 0x01);                 /* ? */
1277
        ascii_to_wc(pb, LIBAVCODEC_IDENT);
1278
        size += len*2+10;
1279

    
1280
        // Title
1281
        len = utf8len(s->title)+1;
1282
        if(len<=0)
1283
            goto not_utf8;
1284
        put_be16(pb, len*2+10);             /* size */
1285
        put_be32(pb, 0x01);                 /* type */
1286
        put_be16(pb, language_code("eng")); /* language */
1287
        put_be16(pb, 0x01);                 /* ? */
1288
        ascii_to_wc (pb, s->title);
1289
        size += len*2+10;
1290

    
1291
        // Date
1292
//        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);
1293
        len = utf8len("2006/04/01 11:11:11")+1;
1294
        if(len<=0)
1295
            goto not_utf8;
1296
        put_be16(pb, len*2+10);    /* size */
1297
        put_be32(pb, 0x03);        /* type */
1298
        put_be16(pb, language_code("und")); /* language */
1299
        put_be16(pb, 0x01);        /* ? */
1300
        ascii_to_wc (pb, "2006/04/01 11:11:11");
1301
        size += len*2+10;
1302

    
1303
        // size
1304
        curpos = url_ftell(pb);
1305
        url_fseek(pb, pos, SEEK_SET);
1306
        put_be32(pb, size);
1307
        url_fseek(pb, pos+24, SEEK_SET);
1308
        put_be32(pb, size-24);
1309
        url_fseek(pb, curpos, SEEK_SET);
1310
    }
1311

    
1312
    return size;
1313
not_utf8:
1314
    av_log(s, AV_LOG_ERROR, "not utf8\n");
1315
    return -1;
1316
}
1317

    
1318
static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1319
                              AVFormatContext *s)
1320
{
1321
    int i;
1322
    offset_t pos = url_ftell(pb);
1323
    put_be32(pb, 0); /* size placeholder*/
1324
    put_tag(pb, "moov");
1325
    mov->timescale = globalTimescale;
1326

    
1327
    for (i=0; i<mov->nb_streams; i++) {
1328
        if(mov->tracks[i].entry <= 0) continue;
1329

    
1330
        mov->tracks[i].time = mov->time;
1331
        mov->tracks[i].trackID = i+1;
1332
    }
1333

    
1334
    mov_write_mvhd_tag(pb, mov);
1335
    //mov_write_iods_tag(pb, mov);
1336
    for (i=0; i<mov->nb_streams; i++) {
1337
        if(mov->tracks[i].entry > 0) {
1338
            mov_write_trak_tag(pb, &(mov->tracks[i]));
1339
        }
1340
    }
1341

    
1342
    if (mov->mode == MODE_PSP)
1343
        mov_write_uuidusmt_tag(pb, s);
1344
    else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
1345
        mov_write_udta_tag(pb, mov, s);
1346

    
1347
    return updateSize(pb, pos);
1348
}
1349

    
1350
static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
1351
{
1352
    put_be32(pb, 8);    // placeholder for extended size field (64 bit)
1353
    put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1354

    
1355
    mov->mdat_pos = url_ftell(pb);
1356
    put_be32(pb, 0); /* size placeholder*/
1357
    put_tag(pb, "mdat");
1358
    return 0;
1359
}
1360

    
1361
/* TODO: This needs to be more general */
1362
static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1363
{
1364
    MOVContext *mov = s->priv_data;
1365

    
1366
    put_be32(pb, 0x14); /* size */
1367
    put_tag(pb, "ftyp");
1368

    
1369
    if (mov->mode == MODE_3GP)
1370
        put_tag(pb, "3gp4");
1371
    else if (mov->mode == MODE_3G2)
1372
        put_tag(pb, "3g2a");
1373
    else if (mov->mode == MODE_PSP)
1374
        put_tag(pb, "MSNV");
1375
    else if (mov->mode == MODE_MP4 || mov->mode == MODE_IPOD)
1376
        put_tag(pb, "isom");
1377
    else
1378
        put_tag(pb, "qt  ");
1379

    
1380
    put_be32(pb, 0x200);
1381

    
1382
    if (mov->mode == MODE_3GP)
1383
        put_tag(pb, "3gp4");
1384
    else if (mov->mode == MODE_3G2)
1385
        put_tag(pb, "3g2a");
1386
    else if (mov->mode == MODE_PSP)
1387
        put_tag(pb, "MSNV");
1388
    else if (mov->mode == MODE_MP4 || mov->mode == MODE_IPOD)
1389
        put_tag(pb, "mp41");
1390
    else
1391
        put_tag(pb, "qt  ");
1392
}
1393

    
1394
static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1395
{
1396
    AVCodecContext *VideoCodec = s->streams[0]->codec;
1397
    AVCodecContext *AudioCodec = s->streams[1]->codec;
1398
    int AudioRate = AudioCodec->sample_rate;
1399
    int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1400
    int audio_kbitrate= AudioCodec->bit_rate / 1000;
1401
    int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1402

    
1403
    put_be32(pb, 0x94); /* size */
1404
    put_tag(pb, "uuid");
1405
    put_tag(pb, "PROF");
1406

    
1407
    put_be32(pb, 0x21d24fce); /* 96 bit UUID */
1408
    put_be32(pb, 0xbb88695c);
1409
    put_be32(pb, 0xfac9c740);
1410

    
1411
    put_be32(pb, 0x0);  /* ? */
1412
    put_be32(pb, 0x3);  /* 3 sections ? */
1413

    
1414
    put_be32(pb, 0x14); /* size */
1415
    put_tag(pb, "FPRF");
1416
    put_be32(pb, 0x0);  /* ? */
1417
    put_be32(pb, 0x0);  /* ? */
1418
    put_be32(pb, 0x0);  /* ? */
1419

    
1420
    put_be32(pb, 0x2c);  /* size */
1421
    put_tag(pb, "APRF");   /* audio */
1422
    put_be32(pb, 0x0);
1423
    put_be32(pb, 0x2);   /* TrackID */
1424
    put_tag(pb, "mp4a");
1425
    put_be32(pb, 0x20f);
1426
    put_be32(pb, 0x0);
1427
    put_be32(pb, audio_kbitrate);
1428
    put_be32(pb, audio_kbitrate);
1429
    put_be32(pb, AudioRate);
1430
    put_be32(pb, AudioCodec->channels);
1431

    
1432
    put_be32(pb, 0x34);  /* size */
1433
    put_tag(pb, "VPRF");   /* video */
1434
    put_be32(pb, 0x0);
1435
    put_be32(pb, 0x1);    /* TrackID */
1436
    if (VideoCodec->codec_id == CODEC_ID_H264) {
1437
        put_tag(pb, "avc1");
1438
        put_be16(pb, 0x014D);
1439
        put_be16(pb, 0x0015);
1440
    } else {
1441
        put_tag(pb, "mp4v");
1442
        put_be16(pb, 0x0000);
1443
        put_be16(pb, 0x0103);
1444
    }
1445
    put_be32(pb, 0x0);
1446
    put_be32(pb, video_kbitrate);
1447
    put_be32(pb, video_kbitrate);
1448
    put_be32(pb, FrameRate);
1449
    put_be32(pb, FrameRate);
1450
    put_be16(pb, VideoCodec->width);
1451
    put_be16(pb, VideoCodec->height);
1452
    put_be32(pb, 0x010001); /* ? */
1453
}
1454

    
1455
static int mov_write_header(AVFormatContext *s)
1456
{
1457
    ByteIOContext *pb = s->pb;
1458
    MOVContext *mov = s->priv_data;
1459
    int i;
1460

    
1461
    if (url_is_streamed(s->pb)) {
1462
        av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
1463
        return -1;
1464
    }
1465

    
1466
    /* Default mode == MP4 */
1467
    mov->mode = MODE_MP4;
1468

    
1469
    if (s->oformat != NULL) {
1470
        if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1471
        else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1472
        else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1473
        else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1474
        else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
1475

    
1476
        mov_write_ftyp_tag(pb,s);
1477
        if (mov->mode == MODE_PSP) {
1478
            if (s->nb_streams != 2) {
1479
                av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1480
                return -1;
1481
            }
1482
            mov_write_uuidprof_tag(pb,s);
1483
        }
1484
    }
1485

    
1486
    for(i=0; i<s->nb_streams; i++){
1487
        AVStream *st= s->streams[i];
1488
        MOVTrack *track= &mov->tracks[i];
1489

    
1490
        track->enc = st->codec;
1491
        track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1492
        track->mode = mov->mode;
1493
        track->tag = mov_find_codec_tag(s, track);
1494
        if (!track->tag) {
1495
            av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
1496
            return -1;
1497
        }
1498
        if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1499
            track->timescale = st->codec->time_base.den;
1500
            av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1501
            if (track->mode == MODE_MOV && track->timescale > 100000)
1502
                av_log(s, AV_LOG_WARNING,
1503
                       "WARNING codec timebase is very high. If duration is too long,\n"
1504
                       "file may not be playable by quicktime. Specify a shorter timebase\n"
1505
                       "or choose different container.\n");
1506
        }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1507
            track->timescale = st->codec->sample_rate;
1508
            av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1509
            if(!st->codec->frame_size){
1510
                av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
1511
                return -1;
1512
            }else if(st->codec->frame_size > 1){ /* assume compressed audio */
1513
                track->audio_vbr = 1;
1514
            }else{
1515
                track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1516
            }
1517
        }
1518
    }
1519

    
1520
    mov_write_mdat_tag(pb, mov);
1521
    mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1522
    mov->nb_streams = s->nb_streams;
1523

    
1524
    put_flush_packet(pb);
1525

    
1526
    return 0;
1527
}
1528

    
1529
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1530
{
1531
    MOVContext *mov = s->priv_data;
1532
    ByteIOContext *pb = s->pb;
1533
    MOVTrack *trk = &mov->tracks[pkt->stream_index];
1534
    AVCodecContext *enc = trk->enc;
1535
    unsigned int samplesInChunk = 0;
1536
    int size= pkt->size;
1537

    
1538
    if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
1539
    if (!size) return 0; /* Discard 0 sized packets */
1540

    
1541
    if (enc->codec_id == CODEC_ID_AMR_NB) {
1542
        /* We must find out how many AMR blocks there are in one packet */
1543
        static uint16_t packed_size[16] =
1544
            {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1545
        int len = 0;
1546

    
1547
        while (len < size && samplesInChunk < 100) {
1548
            len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1549
            samplesInChunk++;
1550
        }
1551
        if(samplesInChunk > 1){
1552
            av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
1553
            return -1;
1554
        }
1555
    } else if (trk->sampleSize)
1556
        samplesInChunk = size/trk->sampleSize;
1557
    else
1558
        samplesInChunk = 1;
1559

    
1560
    /* copy extradata if it exists */
1561
    if (trk->vosLen == 0 && enc->extradata_size > 0) {
1562
        trk->vosLen = enc->extradata_size;
1563
        trk->vosData = av_malloc(trk->vosLen);
1564
        memcpy(trk->vosData, enc->extradata, trk->vosLen);
1565
    }
1566

    
1567
    if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1568
        /* from x264 or from bytestream h264 */
1569
        /* nal reformating needed */
1570
        int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
1571
        if (ret < 0)
1572
            return ret;
1573
        assert(pkt->size);
1574
        size = pkt->size;
1575
    } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
1576
        /* copy frame header to create needed atoms */
1577
        if (size < 640)
1578
            return -1;
1579
        trk->vosLen = 640;
1580
        trk->vosData = av_malloc(trk->vosLen);
1581
        memcpy(trk->vosData, pkt->data, 640);
1582
    }
1583

    
1584
    if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1585
        trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1586
        if (!trk->cluster)
1587
            return -1;
1588
    }
1589

    
1590
    trk->cluster[trk->entry].pos = url_ftell(pb);
1591
    trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1592
    trk->cluster[trk->entry].size = size;
1593
    trk->cluster[trk->entry].entries = samplesInChunk;
1594
    trk->cluster[trk->entry].dts = pkt->dts;
1595
    trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
1596

    
1597
    if (pkt->pts == AV_NOPTS_VALUE) {
1598
        av_log(s, AV_LOG_WARNING, "pts has no value\n");
1599
        pkt->pts = pkt->dts;
1600
    }
1601
    if (pkt->dts != pkt->pts)
1602
        trk->hasBframes = 1;
1603
    trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1604
    trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1605
    if(trk->cluster[trk->entry].key_frame)
1606
        trk->hasKeyframes++;
1607
    trk->entry++;
1608
    trk->sampleCount += samplesInChunk;
1609
    mov->mdat_size += size;
1610

    
1611
    put_buffer(pb, pkt->data, size);
1612

    
1613
    put_flush_packet(pb);
1614
    return 0;
1615
}
1616

    
1617
static int mov_write_trailer(AVFormatContext *s)
1618
{
1619
    MOVContext *mov = s->priv_data;
1620
    ByteIOContext *pb = s->pb;
1621
    int res = 0;
1622
    int i;
1623

    
1624
    offset_t moov_pos = url_ftell(pb);
1625

    
1626
    /* Write size of mdat tag */
1627
    if (mov->mdat_size+8 <= UINT32_MAX) {
1628
        url_fseek(pb, mov->mdat_pos, SEEK_SET);
1629
        put_be32(pb, mov->mdat_size+8);
1630
    } else {
1631
        /* overwrite 'wide' placeholder atom */
1632
        url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1633
        put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1634
        put_tag(pb, "mdat");
1635
        put_be64(pb, mov->mdat_size+16);
1636
    }
1637
    url_fseek(pb, moov_pos, SEEK_SET);
1638

    
1639
    mov_write_moov_tag(pb, mov, s);
1640

    
1641
    for (i=0; i<mov->nb_streams; i++) {
1642
        av_freep(&mov->tracks[i].cluster);
1643

    
1644
        if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
1645

    
1646
    }
1647

    
1648
    put_flush_packet(pb);
1649

    
1650
    return res;
1651
}
1652

    
1653
#ifdef CONFIG_MOV_MUXER
1654
AVOutputFormat mov_muxer = {
1655
    "mov",
1656
    NULL_IF_CONFIG_SMALL("MOV format"),
1657
    NULL,
1658
    "mov",
1659
    sizeof(MOVContext),
1660
    CODEC_ID_AAC,
1661
    CODEC_ID_MPEG4,
1662
    mov_write_header,
1663
    mov_write_packet,
1664
    mov_write_trailer,
1665
    .flags = AVFMT_GLOBALHEADER,
1666
    .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
1667
};
1668
#endif
1669
#ifdef CONFIG_TGP_MUXER
1670
AVOutputFormat tgp_muxer = {
1671
    "3gp",
1672
    NULL_IF_CONFIG_SMALL("3GP format"),
1673
    NULL,
1674
    "3gp",
1675
    sizeof(MOVContext),
1676
    CODEC_ID_AMR_NB,
1677
    CODEC_ID_H263,
1678
    mov_write_header,
1679
    mov_write_packet,
1680
    mov_write_trailer,
1681
    .flags = AVFMT_GLOBALHEADER,
1682
    .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1683
};
1684
#endif
1685
#ifdef CONFIG_MP4_MUXER
1686
AVOutputFormat mp4_muxer = {
1687
    "mp4",
1688
    NULL_IF_CONFIG_SMALL("MP4 format"),
1689
    "application/mp4",
1690
    "mp4,m4a",
1691
    sizeof(MOVContext),
1692
    CODEC_ID_AAC,
1693
    CODEC_ID_MPEG4,
1694
    mov_write_header,
1695
    mov_write_packet,
1696
    mov_write_trailer,
1697
    .flags = AVFMT_GLOBALHEADER,
1698
    .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1699
};
1700
#endif
1701
#ifdef CONFIG_PSP_MUXER
1702
AVOutputFormat psp_muxer = {
1703
    "psp",
1704
    NULL_IF_CONFIG_SMALL("PSP MP4 format"),
1705
    NULL,
1706
    "mp4,psp",
1707
    sizeof(MOVContext),
1708
    CODEC_ID_AAC,
1709
    CODEC_ID_MPEG4,
1710
    mov_write_header,
1711
    mov_write_packet,
1712
    mov_write_trailer,
1713
    .flags = AVFMT_GLOBALHEADER,
1714
    .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1715
};
1716
#endif
1717
#ifdef CONFIG_TG2_MUXER
1718
AVOutputFormat tg2_muxer = {
1719
    "3g2",
1720
    NULL_IF_CONFIG_SMALL("3GP2 format"),
1721
    NULL,
1722
    "3g2",
1723
    sizeof(MOVContext),
1724
    CODEC_ID_AMR_NB,
1725
    CODEC_ID_H263,
1726
    mov_write_header,
1727
    mov_write_packet,
1728
    mov_write_trailer,
1729
    .flags = AVFMT_GLOBALHEADER,
1730
    .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
1731
};
1732
#endif
1733
#ifdef CONFIG_IPOD_MUXER
1734
AVOutputFormat ipod_muxer = {
1735
    "ipod",
1736
    NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
1737
    "application/mp4",
1738
    NULL,
1739
    sizeof(MOVContext),
1740
    CODEC_ID_AAC,
1741
    CODEC_ID_H264,
1742
    mov_write_header,
1743
    mov_write_packet,
1744
    mov_write_trailer,
1745
    .flags = AVFMT_GLOBALHEADER,
1746
    .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
1747
};
1748
#endif