2
* MOV, 3GP, MP4 encoder.
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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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* This library 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 of the License, or (at your option) any later version.
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* This library 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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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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#include "config.h" //MEANX
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#define MOV_INDEX_CLUSTER_SIZE 16384
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#define globalTimescale 1000
35
#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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typedef struct MOVIentry {
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unsigned int flags, size;
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unsigned int samplesInChunk;
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typedef struct MOVIndex {
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int64_t trackDuration;
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typedef struct MOVContext {
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MOVTrack tracks[MAX_STREAMS];
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//FIXME supprt 64bit varaint with wide placeholders
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static offset_t updateSize (ByteIOContext *pb, offset_t pos)
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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);
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/* Chunk offset atom */
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static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track)
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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 */
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if (pos > UINT32_MAX) {
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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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put_be64(pb, track->cluster[i].pos);
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put_be32(pb, track->cluster[i].pos);
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return updateSize (pb, pos);
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/* Sample size atom */
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static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track)
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int i, j, entries = 0, tst = -1, oldtst = -1;
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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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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entries += track->cluster[i].entries;
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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
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put_be32(pb, 0); // sample size
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put_be32(pb, entries); // sample count
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for (i=0; i<track->entry; i++) {
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for ( j=0; j<track->cluster[i].entries; j++) {
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put_be32(pb, track->cluster[i].size /
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track->cluster[i].entries);
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return updateSize (pb, pos);
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/* Sample to chunk atom */
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static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track)
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int index = 0, oldval = -1, i;
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offset_t entryPos, curpos;
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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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++) {
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if(oldval != track->cluster[i].samplesInChunk)
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put_be32(pb, i+1); // first chunk
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put_be32(pb, track->cluster[i].samplesInChunk); // samples per chunk
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put_be32(pb, 0x1); // sample description index
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oldval = track->cluster[i].samplesInChunk;
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curpos = url_ftell(pb);
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url_fseek(pb, entryPos, SEEK_SET);
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put_be32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET);
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return updateSize (pb, pos);
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/* Sync sample atom */
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static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track)
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offset_t curpos, entryPos;
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offset_t pos = url_ftell(pb);
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put_be32(pb, 0); // size
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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++) {
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if(track->cluster[i].key_frame == 1) {
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curpos = url_ftell(pb);
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url_fseek(pb, entryPos, SEEK_SET);
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put_be32(pb, index); // rewrite size
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url_fseek(pb, curpos, SEEK_SET);
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return updateSize (pb, pos);
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static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
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put_be32(pb, 0x11); /* size */
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if (track->mode == MODE_MOV) put_tag(pb, "samr");
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else put_tag(pb, "damr");
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put_byte(pb, 0); /* decoder version */
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put_be16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
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put_byte(pb, 0x00); /* Mode change period (no restriction) */
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put_byte(pb, 0x01); /* Frames per sample */
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static int mov_write_enda_tag(ByteIOContext *pb)
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put_be16(pb, 1); /* little endian */
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static unsigned int descrLength(unsigned int len)
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for(i=1; len>>(7*i); i++);
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static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
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int i= descrLength(size) - size - 2;
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put_byte(pb, (size>>(7*i)) | 0x80);
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put_byte(pb, size & 0x7F);
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static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic
244
offset_t pos = url_ftell(pb);
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int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
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put_be32(pb, 0); // size
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put_be32(pb, 0); // Version
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putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
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put_be16(pb, track->trackID);
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put_byte(pb, 0x00); // flags (= no flags)
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// DecoderConfig descriptor
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putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
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// Object type indication
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put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id));
263
// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
264
// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
265
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
266
put_byte(pb, 0x15); // flags (= Audiostream)
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put_byte(pb, 0x11); // flags (= Visualstream)
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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
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put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
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if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
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put_be32(pb, 0); // vbr
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put_be32(pb, track->enc->rc_max_rate); // avg bitrate
281
// DecoderSpecific info descriptor
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putDescr(pb, 0x05, track->vosLen);
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put_buffer(pb, track->vosData, track->vosLen);
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putDescr(pb, 0x06, 1);
290
return updateSize (pb, pos);
293
static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track)
295
offset_t pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
300
put_be32(pb, 12); /* size */
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put_le32(pb, track->tag);
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if (track->enc->codec_id == CODEC_ID_AAC) {
305
/* useless atom needed by mplayer, ipod, not needed by quicktime */
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put_be32(pb, 12); /* size */
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mov_write_esds_tag(pb, track);
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} else if (track->enc->codec_id == CODEC_ID_PCM_S24LE ||
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track->enc->codec_id == CODEC_ID_PCM_S32LE) {
312
mov_write_enda_tag(pb);
313
} else if (track->enc->codec_id == CODEC_ID_AMR_NB) {
314
mov_write_amr_tag(pb, track);
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put_be32(pb, 8); /* size */
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put_be32(pb, 0); /* null tag */
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return updateSize (pb, pos);
323
static const CodecTag codec_movaudio_tags[] = {
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{ CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
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{ CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
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{ CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
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{ CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
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{ CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
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{ CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
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{ CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
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{ CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
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{ CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
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{ CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
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{ CODEC_ID_PCM_S24BE, MKTAG('i', 'n', '2', '4') },
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{ CODEC_ID_PCM_S24LE, MKTAG('i', 'n', '2', '4') },
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{ CODEC_ID_PCM_S32BE, MKTAG('i', 'n', '3', '2') },
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{ CODEC_ID_PCM_S32LE, MKTAG('i', 'n', '3', '2') },
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//{ CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
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#ifdef MEANX_PUT_MP3_IN_MP4A
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{ CODEC_ID_MP3, MKTAG( 'm', 'p', '4','a') },
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{ CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
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{ CODEC_ID_NONE, 0 },
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static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track)
352
offset_t pos = url_ftell(pb);
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int vbr= track->mode == MODE_MOV &&
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(track->enc->codec_id == CODEC_ID_AAC ||
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track->enc->codec_id == CODEC_ID_MP3 ||
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track->enc->codec_id == CODEC_ID_AMR_NB);
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track->enc->codec_id == CODEC_ID_PCM_S32LE ||
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track->enc->codec_id == CODEC_ID_PCM_S24LE;
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put_be32(pb, 0); /* size */
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put_le32(pb, track->tag); // store it byteswapped
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put_be32(pb, 0); /* Reserved */
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put_be16(pb, 0); /* Reserved */
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put_be16(pb, 1); /* Data-reference index, XXX == 1 */
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/* SoundDescription */
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put_be16(pb, version); /* Version */
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put_be16(pb, 0); /* Revision level */
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put_be32(pb, 0); /* Reserved */
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put_be16(pb, track->mode == MODE_MOV ? track->enc->channels : 2); /* Number of channels */
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/* FIXME 8 bit for 'raw ' in mov */
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put_be16(pb, 16); /* Reserved */
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put_be16(pb, vbr ? 0xfffe : 0); /* compression ID */
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put_be16(pb, 0); /* packet size (= 0) */
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put_be16(pb, track->timescale); /* Time scale */
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put_be16(pb, 0); /* Reserved */
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if(version == 1) { /* SoundDescription V1 extended info */
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track->sampleSize = 0;
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put_be32(pb, track->enc->frame_size); /* Samples per packet */
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put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
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put_be32(pb, track->sampleSize); /* Bytes per frame */
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put_be32(pb, 2); /* Bytes per sample */
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if(track->mode == MODE_MOV &&
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(track->enc->codec_id == CODEC_ID_AAC ||
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track->enc->codec_id == CODEC_ID_AMR_NB ||
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track->enc->codec_id == CODEC_ID_PCM_S24LE ||
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track->enc->codec_id == CODEC_ID_PCM_S32LE))
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mov_write_wave_tag(pb, track);
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else if(track->enc->codec_id == CODEC_ID_AAC
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#ifdef MEANX_PUT_MP3_IN_MP4A
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|| track->enc->codec_id == CODEC_ID_MP3
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mov_write_esds_tag(pb, track);
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else if(track->enc->codec_id == CODEC_ID_AMR_NB)
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mov_write_amr_tag(pb, track);
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return updateSize (pb, pos);
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static int mov_write_d263_tag(ByteIOContext *pb)
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put_be32(pb, 0xf); /* size */
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put_byte(pb, 0); /* decoder version */
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/* FIXME use AVCodecContext level/profile, when encoder will set values */
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put_byte(pb, 0xa); /* level */
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put_byte(pb, 0); /* profile */
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/* TODO: No idea about these values */
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static int mov_write_svq3_tag(ByteIOContext *pb)
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put_be32(pb, 0xe2c0211d);
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put_be32(pb, 0xc0000000);
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static uint8_t *avc_find_startcode( uint8_t *p, uint8_t *end )
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uint8_t *a = p + 4 - ((int)p & 3);
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for( end -= 3; p < a && p < end; p++ ) {
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if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
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for( end -= 3; p < end; p += 4 ) {
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uint32_t x = *(uint32_t*)p;
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// if( (x - 0x01000100) & (~x) & 0x80008000 ) // little endian
448
// if( (x - 0x00010001) & (~x) & 0x00800080 ) // big endian
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if( (x - 0x01010101) & (~x) & 0x80808080 ) { // generic
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if( p[0] == 0 && p[2] == 1 )
453
if( p[2] == 0 && p[3] == 1 )
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if( p[2] == 0 && p[4] == 1 )
459
if( p[4] == 0 && p[5] == 1 )
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for( end += 3; p < end; p++ ) {
466
if( p[0] == 0 && p[1] == 0 && p[2] == 1 )
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static void avc_parse_nal_units(uint8_t **buf, int *size)
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uint8_t *end = p + *size;
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uint8_t *nal_start, *nal_end;
480
url_open_dyn_buf(&pb);
481
nal_start = avc_find_startcode(p, end);
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while (nal_start < end) {
483
while(!*(nal_start++));
484
nal_end = avc_find_startcode(nal_start, end);
485
put_be32(&pb, nal_end - nal_start);
486
put_buffer(&pb, nal_start, nal_end - nal_start);
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*size = url_close_dyn_buf(&pb, buf);
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static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
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offset_t pos = url_ftell(pb);
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if (track->vosLen > 6) {
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/* check for h264 start code */
501
if (BE_32(track->vosData) == 0x00000001) {
503
uint32_t sps_size=0, pps_size=0;
504
uint8_t *sps=0, *pps=0;
506
avc_parse_nal_units(&track->vosData, &track->vosLen);
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buf = track->vosData;
508
end = track->vosData + track->vosLen;
510
/* look for sps and pps */
515
nal_type = buf[4] & 0x1f;
516
if (nal_type == 7) { /* SPS */
519
} else if (nal_type == 8) { /* PPS */
528
put_byte(pb, 1); /* version */
529
put_byte(pb, sps[1]); /* profile */
530
put_byte(pb, sps[2]); /* profile compat */
531
put_byte(pb, sps[3]); /* level */
532
put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
533
put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
535
put_be16(pb, sps_size);
536
put_buffer(pb, sps, sps_size);
537
put_byte(pb, 1); /* number of pps */
538
put_be16(pb, pps_size);
539
put_buffer(pb, pps, pps_size);
541
put_buffer(pb, track->vosData, track->vosLen);
544
return updateSize(pb, pos);
547
static const CodecTag codec_movvideo_tags[] = {
548
{ CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
549
{ CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
550
{ CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
551
{ CODEC_ID_H263, MKTAG('h', '2', '6', '3') },
552
{ CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
553
{ CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
554
/* special handling in mov_find_video_codec_tag */
555
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') }, /* DV NTSC */
556
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', 'p') }, /* DV PAL */
557
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'p', 'p') }, /* DVCPRO PAL */
558
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC */
559
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'p') }, /* DVCPRO50 PAL */
560
{ CODEC_ID_NONE, 0 },
563
static int mov_find_video_codec_tag(AVFormatContext *s, MOVTrack *track)
565
int tag = track->enc->codec_tag;
567
if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
568
if (track->enc->height == 480) { /* NTSC */
569
if (track->enc->pix_fmt == PIX_FMT_YUV422P)
570
tag = MKTAG('d', 'v', '5', 'n');
572
tag = MKTAG('d', 'v', 'c', ' ');
573
} else { /* assume PAL */
574
if (track->enc->pix_fmt == PIX_FMT_YUV422P)
575
tag = MKTAG('d', 'v', '5', 'p');
576
else if (track->enc->pix_fmt == PIX_FMT_YUV420P)
577
tag = MKTAG('d', 'v', 'c', 'p');
579
tag = MKTAG('d', 'v', 'p', 'p');
581
} else if (track->enc->codec_id == CODEC_ID_H263) {
582
if (track->mode == MODE_MOV)
583
tag = MKTAG('h', '2', '6', '3');
585
tag = MKTAG('s', '2', '6', '3');
587
tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
590
// if no mac fcc found, try with Microsoft tags
592
tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
594
av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
601
static int mov_find_audio_codec_tag(AVFormatContext *s, MOVTrack *track)
603
int tag = track->enc->codec_tag;
605
tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
607
// if no mac fcc found, try with Microsoft tags
609
int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
611
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
612
av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
619
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track)
621
offset_t pos = url_ftell(pb);
622
char compressor_name[32];
624
put_be32(pb, 0); /* size */
625
put_le32(pb, track->tag); // store it byteswapped
626
put_be32(pb, 0); /* Reserved */
627
put_be16(pb, 0); /* Reserved */
628
put_be16(pb, 1); /* Data-reference index */
630
put_be16(pb, 0); /* Codec stream version */
631
put_be16(pb, 0); /* Codec stream revision (=0) */
632
if (track->mode == MODE_MOV) {
633
put_tag(pb, "FFMP"); /* Vendor */
634
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
635
put_be32(pb, 0); /* Temporal Quality */
636
put_be32(pb, 0x400); /* Spatial Quality = lossless*/
638
put_be32(pb, 0x200); /* Temporal Quality = normal */
639
put_be32(pb, 0x200); /* Spatial Quality = normal */
642
put_be32(pb, 0); /* Reserved */
643
put_be32(pb, 0); /* Reserved */
644
put_be32(pb, 0); /* Reserved */
646
put_be16(pb, track->enc->width); /* Video width */
647
put_be16(pb, track->enc->height); /* Video height */
648
put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
649
put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
650
put_be32(pb, 0); /* Data size (= 0) */
651
put_be16(pb, 1); /* Frame count (= 1) */
653
memset(compressor_name,0,32);
654
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
655
if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
656
strncpy(compressor_name,track->enc->codec->name,31);
657
put_byte(pb, strlen(compressor_name));
658
put_buffer(pb, compressor_name, 31);
660
put_be16(pb, 0x18); /* Reserved */
661
put_be16(pb, 0xffff); /* Reserved */
662
if(track->enc->codec_id == CODEC_ID_MPEG4)
663
mov_write_esds_tag(pb, track);
664
else if(track->enc->codec_id == CODEC_ID_H263)
665
mov_write_d263_tag(pb);
666
else if(track->enc->codec_id == CODEC_ID_SVQ3)
667
mov_write_svq3_tag(pb);
668
else if(track->enc->codec_id == CODEC_ID_H264)
669
mov_write_avcc_tag(pb, track);
671
return updateSize (pb, pos);
674
static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track)
676
offset_t pos = url_ftell(pb);
677
put_be32(pb, 0); /* size */
679
put_be32(pb, 0); /* version & flags */
680
put_be32(pb, 1); /* entry count */
681
if (track->enc->codec_type == CODEC_TYPE_VIDEO)
682
mov_write_video_tag(pb, track);
683
else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
684
mov_write_audio_tag(pb, track);
685
return updateSize(pb, pos);
688
static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack* track)
690
Time2Sample *ctts_entries;
691
uint32_t entries = 0;
695
ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
696
ctts_entries[0].count = 1;
697
ctts_entries[0].duration = track->cluster[0].cts;
698
for (i=1; i<track->entry; i++) {
699
if (track->cluster[i].cts == ctts_entries[entries].duration) {
700
ctts_entries[entries].count++; /* compress */
703
ctts_entries[entries].duration = track->cluster[i].cts;
704
ctts_entries[entries].count = 1;
707
entries++; /* last one */
708
atom_size = 16 + (entries * 8);
709
put_be32(pb, atom_size); /* size */
711
put_be32(pb, 0); /* version & flags */
712
put_be32(pb, entries); /* entry count */
713
for (i=0; i<entries; i++) {
714
put_be32(pb, ctts_entries[i].count);
715
put_be32(pb, ctts_entries[i].duration);
717
av_free(ctts_entries);
722
/* Time to sample atom */
723
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track)
725
put_be32(pb, 0x18); /* size */
727
put_be32(pb, 0); /* version & flags */
728
put_be32(pb, 1); /* entry count */
730
put_be32(pb, track->sampleCount); /* sample count */
731
put_be32(pb, track->sampleDuration); /* sample duration */
735
static int mov_write_dref_tag(ByteIOContext *pb)
737
put_be32(pb, 28); /* size */
739
put_be32(pb, 0); /* version & flags */
740
put_be32(pb, 1); /* entry count */
742
put_be32(pb, 0xc); /* size */
744
put_be32(pb, 1); /* version & flags */
749
static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track)
751
offset_t pos = url_ftell(pb);
752
put_be32(pb, 0); /* size */
754
mov_write_stsd_tag(pb, track);
755
mov_write_stts_tag(pb, track);
756
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
757
track->hasKeyframes < track->entry)
758
mov_write_stss_tag(pb, track);
759
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
761
mov_write_ctts_tag(pb, track);
762
mov_write_stsc_tag(pb, track);
763
mov_write_stsz_tag(pb, track);
764
mov_write_stco_tag(pb, track);
765
return updateSize(pb, pos);
768
static int mov_write_dinf_tag(ByteIOContext *pb)
770
offset_t pos = url_ftell(pb);
771
put_be32(pb, 0); /* size */
773
mov_write_dref_tag(pb);
774
return updateSize(pb, pos);
777
static int mov_write_smhd_tag(ByteIOContext *pb)
779
put_be32(pb, 16); /* size */
781
put_be32(pb, 0); /* version & flags */
782
put_be16(pb, 0); /* reserved (balance, normally = 0) */
783
put_be16(pb, 0); /* reserved */
787
static int mov_write_vmhd_tag(ByteIOContext *pb)
789
put_be32(pb, 0x14); /* size (always 0x14) */
791
put_be32(pb, 0x01); /* version & flags */
792
put_be64(pb, 0); /* reserved (graphics mode = copy) */
796
static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track)
798
const char *descr, *hdlr, *hdlr_type;
799
offset_t pos = url_ftell(pb);
801
if (!track) { /* no media --> data handler */
804
descr = "DataHandler";
806
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
807
if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
809
descr = "VideoHandler";
812
descr = "SoundHandler";
816
put_be32(pb, 0); /* size */
818
put_be32(pb, 0); /* Version & flags */
819
put_buffer(pb, hdlr, 4); /* handler */
820
put_tag(pb, hdlr_type); /* handler type */
821
put_be32(pb ,0); /* reserved */
822
put_be32(pb ,0); /* reserved */
823
put_be32(pb ,0); /* reserved */
824
put_byte(pb, strlen(descr)); /* string counter */
825
put_buffer(pb, descr, strlen(descr)); /* handler description */
826
return updateSize(pb, pos);
829
static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track)
831
offset_t pos = url_ftell(pb);
832
put_be32(pb, 0); /* size */
834
if(track->enc->codec_type == CODEC_TYPE_VIDEO)
835
mov_write_vmhd_tag(pb);
837
mov_write_smhd_tag(pb);
838
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
839
mov_write_hdlr_tag(pb, NULL);
840
mov_write_dinf_tag(pb);
841
mov_write_stbl_tag(pb, track);
842
return updateSize(pb, pos);
845
static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track)
847
int version = track->trackDuration < INT32_MAX ? 0 : 1;
849
(version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
851
put_byte(pb, version);
852
put_be24(pb, 0); /* flags */
854
put_be64(pb, track->time);
855
put_be64(pb, track->time);
857
put_be32(pb, track->time); /* creation time */
858
put_be32(pb, track->time); /* modification time */
860
put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
861
(version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
862
put_be16(pb, track->language); /* language */
863
put_be16(pb, 0); /* reserved (quality) */
867
static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track)
869
offset_t pos = url_ftell(pb);
870
put_be32(pb, 0); /* size */
872
mov_write_mdhd_tag(pb, track);
873
mov_write_hdlr_tag(pb, track);
874
mov_write_minf_tag(pb, track);
875
return updateSize(pb, pos);
878
static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track)
880
int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
881
int version = duration < INT32_MAX ? 0 : 1;
883
(version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
885
put_byte(pb, version);
886
put_be24(pb, 0xf); /* flags (track enabled) */
888
put_be64(pb, track->time);
889
put_be64(pb, track->time);
891
put_be32(pb, track->time); /* creation time */
892
put_be32(pb, track->time); /* modification time */
894
put_be32(pb, track->trackID); /* track-id */
895
put_be32(pb, 0); /* reserved */
896
(version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
898
put_be32(pb, 0); /* reserved */
899
put_be32(pb, 0); /* reserved */
900
put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
901
/* Volume, only for audio */
902
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
903
put_be16(pb, 0x0100);
906
put_be16(pb, 0); /* reserved */
908
/* Matrix structure */
909
put_be32(pb, 0x00010000); /* reserved */
910
put_be32(pb, 0x0); /* reserved */
911
put_be32(pb, 0x0); /* reserved */
912
put_be32(pb, 0x0); /* reserved */
913
put_be32(pb, 0x00010000); /* reserved */
914
put_be32(pb, 0x0); /* reserved */
915
put_be32(pb, 0x0); /* reserved */
916
put_be32(pb, 0x0); /* reserved */
917
put_be32(pb, 0x40000000); /* reserved */
919
/* Track width and height, for visual only */
920
if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
921
double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
922
if( !sample_aspect_ratio ) sample_aspect_ratio = 1;
923
put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
924
put_be32(pb, track->enc->height*0x10000);
933
// This box seems important for the psp playback ... without it the movie seems to hang
934
static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
936
put_be32(pb, 0x24); /* size */
938
put_be32(pb, 0x1c); /* size */
943
put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
945
// MEANX NO! put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
947
put_be32(pb, 0x00000000);
950
put_be32(pb, 0x00010000);
954
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
955
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
957
put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
960
put_be32(pb, 0x21d24fce);
961
put_be32(pb, 0xbb88695c);
962
put_be32(pb, 0xfac9c740);
963
put_be32(pb, 0x1c); // another size here!
965
put_be32(pb, 0x00010012);
967
put_be32(pb, 0x55c40000);
973
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track)
975
offset_t pos = url_ftell(pb);
976
put_be32(pb, 0); /* size */
978
mov_write_tkhd_tag(pb, track);
979
if (track->mode == MODE_PSP || track->hasBframes)
980
mov_write_edts_tag(pb, track); // PSP Movies require edts box
981
mov_write_mdia_tag(pb, track);
982
if (track->mode == MODE_PSP)
983
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
984
return updateSize(pb, pos);
988
/* TODO: Not sorted out, but not necessary either */
989
static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
991
put_be32(pb, 0x15); /* size */
993
put_be32(pb, 0); /* version & flags */
994
put_be16(pb, 0x1007);
996
put_be16(pb, 0x4fff);
997
put_be16(pb, 0xfffe);
998
put_be16(pb, 0x01ff);
1003
static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
1005
int maxTrackID = 1, i;
1006
int64_t maxTrackLenTemp, maxTrackLen = 0;
1009
for (i=0; i<mov->nb_streams; i++) {
1010
if(mov->tracks[i].entry > 0) {
1011
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
1012
if(maxTrackLen < maxTrackLenTemp)
1013
maxTrackLen = maxTrackLenTemp;
1014
if(maxTrackID < mov->tracks[i].trackID)
1015
maxTrackID = mov->tracks[i].trackID;
1019
version = maxTrackLen < UINT32_MAX ? 0 : 1;
1020
(version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
1021
put_tag(pb, "mvhd");
1022
put_byte(pb, version);
1023
put_be24(pb, 0); /* flags */
1025
put_be64(pb, mov->time);
1026
put_be64(pb, mov->time);
1028
put_be32(pb, mov->time); /* creation time */
1029
put_be32(pb, mov->time); /* modification time */
1031
put_be32(pb, mov->timescale); /* timescale */
1032
(version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
1034
put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1035
put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1036
put_be16(pb, 0); /* reserved */
1037
put_be32(pb, 0); /* reserved */
1038
put_be32(pb, 0); /* reserved */
1040
/* Matrix structure */
1041
put_be32(pb, 0x00010000); /* reserved */
1042
put_be32(pb, 0x0); /* reserved */
1043
put_be32(pb, 0x0); /* reserved */
1044
put_be32(pb, 0x0); /* reserved */
1045
put_be32(pb, 0x00010000); /* reserved */
1046
put_be32(pb, 0x0); /* reserved */
1047
put_be32(pb, 0x0); /* reserved */
1048
put_be32(pb, 0x0); /* reserved */
1049
put_be32(pb, 0x40000000); /* reserved */
1051
put_be32(pb, 0); /* reserved (preview time) */
1052
put_be32(pb, 0); /* reserved (preview duration) */
1053
put_be32(pb, 0); /* reserved (poster time) */
1054
put_be32(pb, 0); /* reserved (selection time) */
1055
put_be32(pb, 0); /* reserved (selection duration) */
1056
put_be32(pb, 0); /* reserved (current time) */
1057
put_be32(pb, maxTrackID+1); /* Next track id */
1061
static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
1064
offset_t pos = url_ftell(pb);
1065
put_be32(pb, 0); /* size */
1066
put_tag(pb, "hdlr");
1069
put_tag(pb, "mdir");
1070
put_tag(pb, "appl");
1074
return updateSize(pb, pos);
1077
/* helper function to write a data tag with the specified string as data */
1078
static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
1081
offset_t pos = url_ftell(pb);
1082
put_be32(pb, 0); /* size */
1083
put_tag(pb, "data");
1086
put_buffer(pb, data, strlen(data));
1087
return updateSize(pb, pos);
1089
put_be16(pb, strlen(data)); /* string length */
1091
put_buffer(pb, data, strlen(data));
1092
return strlen(data) + 4;
1096
static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
1098
if ( value && value[0] ) {
1099
offset_t pos = url_ftell(pb);
1100
put_be32(pb, 0); /* size */
1102
mov_write_string_data_tag(pb, value, long_style);
1103
size= updateSize(pb, pos);
1109
static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
1113
snprintf(year_str, sizeof(year_str), "%04d", year);
1114
return mov_write_string_tag(pb, "\251day", year_str, long_style);
1119
/* iTunes track number */
1120
static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
1125
offset_t pos = url_ftell(pb);
1126
put_be32(pb, 0); /* size */
1127
put_tag(pb, "trkn");
1129
offset_t pos = url_ftell(pb);
1130
put_be32(pb, 0); /* size */
1131
put_tag(pb, "data");
1132
put_be32(pb, 0); // 8 bytes empty
1134
put_be16(pb, 0); // empty
1135
put_be16(pb, s->track); // track number
1136
put_be16(pb, 0); // total track number
1137
put_be16(pb, 0); // empty
1138
updateSize(pb, pos);
1140
size = updateSize(pb, pos);
1145
/* iTunes meta data list */
1146
static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
1149
offset_t pos = url_ftell(pb);
1150
put_be32(pb, 0); /* size */
1151
put_tag(pb, "ilst");
1152
mov_write_string_tag(pb, "\251nam", s->title , 1);
1153
mov_write_string_tag(pb, "\251ART", s->author , 1);
1154
mov_write_string_tag(pb, "\251wrt", s->author , 1);
1155
mov_write_string_tag(pb, "\251alb", s->album , 1);
1156
mov_write_day_tag(pb, s->year ,1);
1157
if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1158
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
1159
mov_write_string_tag(pb, "\251cmt", s->comment , 1);
1160
mov_write_string_tag(pb, "\251gen", s->genre , 1);
1161
mov_write_trkn_tag(pb, mov, s);
1162
return updateSize(pb, pos);
1165
/* iTunes meta data tag */
1166
static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
1171
// only save meta tag if required
1172
if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
1173
s->comment[0] || s->genre[0] || s->track ) {
1174
offset_t pos = url_ftell(pb);
1175
put_be32(pb, 0); /* size */
1176
put_tag(pb, "meta");
1178
mov_write_itunes_hdlr_tag(pb, mov, s);
1179
mov_write_ilst_tag(pb, mov, s);
1180
size = updateSize(pb, pos);
1185
static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
1188
offset_t pos = url_ftell(pb);
1191
put_be32(pb, 0); /* size */
1192
put_tag(pb, "udta");
1194
/* iTunes meta data */
1195
mov_write_meta_tag(pb, mov, s);
1197
if(mov->mode == MODE_MOV){ // the title field breaks gtkpod with mp4 and my suspicion is that stuff isnt valid in mp4
1199
for (i=0; i<mov->nb_streams; i++) {
1200
if(mov->tracks[i].entry <= 0) continue;
1201
if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
1202
mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
1203
mov_write_string_tag(pb, "\251req", "QuickTime 6.0 or greater", 0);
1208
mov_write_string_tag(pb, "\251nam", s->title , 0);
1209
mov_write_string_tag(pb, "\251aut", s->author , 0);
1210
mov_write_string_tag(pb, "\251alb", s->album , 0);
1211
mov_write_day_tag(pb, s->year, 0);
1212
if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT))
1213
mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
1214
mov_write_string_tag(pb, "\251des", s->comment , 0);
1215
mov_write_string_tag(pb, "\251gen", s->genre , 0);
1218
return updateSize(pb, pos);
1222
static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n)
1226
for (i = 0; i < n - 1; i++) {
1228
if (! (0x20 <= c && c <= 0x7f ))
1236
static uint16_t language_code (const char *str)
1238
return ((((str[0]-0x60) & 0x1F)<<10) + (((str[1]-0x60) & 0x1F)<<5) + ((str[2]-0x60) & 0x1F));
1241
static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s)
1244
offset_t pos, curpos;
1248
pos = url_ftell(pb);
1249
put_be32(pb, 0); /* size placeholder*/
1250
put_tag(pb, "uuid");
1251
put_tag(pb, "USMT");
1252
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1253
put_be32(pb, 0xbb88695c );
1254
put_be32(pb, 0xfac9c740 );
1257
put_be32(pb, 0); /* size placeholder*/
1258
put_tag(pb, "MTDT");
1263
put_be16(pb, 0x0C); /* size */
1264
put_be32(pb, 0x0B); /* type */
1265
put_be16(pb, language_code("und")); /* language */
1266
put_be16(pb, 0x0); /* ? */
1267
put_be16(pb, 0x021C); /* data */
1271
len = strlen(LIBAVCODEC_IDENT)+1;
1272
put_be16(pb, len*2+10); /* size */
1273
put_be32(pb, 0x04); /* type */
1274
put_be16(pb, language_code("eng")); /* language */
1275
put_be16(pb, 0x01); /* ? */
1276
ascii_to_wc(pb, LIBAVCODEC_IDENT, len);
1280
len = strlen(s->title)+1;
1281
put_be16(pb, len*2+10); /* size */
1282
put_be32(pb, 0x01); /* type */
1283
put_be16(pb, language_code("eng")); /* language */
1284
put_be16(pb, 0x01); /* ? */
1285
ascii_to_wc (pb, s->title, len);
1289
// 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);
1290
len = strlen("2006/04/01 11:11:11")+1;
1291
put_be16(pb, len*2+10); /* size */
1292
put_be32(pb, 0x03); /* type */
1293
put_be16(pb, language_code("und")); /* language */
1294
put_be16(pb, 0x01); /* ? */
1295
ascii_to_wc (pb, "2006/04/01 11:11:11", len);
1299
curpos = url_ftell(pb);
1300
url_fseek(pb, pos, SEEK_SET);
1302
url_fseek(pb, pos+24, SEEK_SET);
1303
put_be32(pb, size-24);
1304
url_fseek(pb, curpos, SEEK_SET);
1310
static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
1314
offset_t pos = url_ftell(pb);
1315
put_be32(pb, 0); /* size placeholder*/
1316
put_tag(pb, "moov");
1317
mov->timescale = globalTimescale;
1319
for (i=0; i<mov->nb_streams; i++) {
1320
if(mov->tracks[i].entry <= 0) continue;
1322
mov->tracks[i].trackDuration =
1323
(int64_t)mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration;
1324
mov->tracks[i].time = mov->time;
1325
mov->tracks[i].trackID = i+1;
1328
mov_write_mvhd_tag(pb, mov);
1329
//mov_write_iods_tag(pb, mov);
1330
for (i=0; i<mov->nb_streams; i++) {
1331
if(mov->tracks[i].entry > 0) {
1332
mov_write_trak_tag(pb, &(mov->tracks[i]));
1336
if (mov->mode == MODE_PSP)
1337
mov_write_uuidusmt_tag(pb, s);
1339
mov_write_udta_tag(pb, mov, s);
1341
return updateSize(pb, pos);
1344
static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
1346
put_be32(pb, 8); // placeholder for extended size field (64 bit)
1347
put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
1349
mov->mdat_pos = url_ftell(pb);
1350
put_be32(pb, 0); /* size placeholder*/
1351
put_tag(pb, "mdat");
1355
/* TODO: This needs to be more general */
1356
static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s)
1358
MOVContext *mov = s->priv_data;
1360
put_be32(pb, 0x14 ); /* size */
1361
put_tag(pb, "ftyp");
1363
if ( mov->mode == MODE_3GP )
1364
put_tag(pb, "3gp4");
1365
else if ( mov->mode == MODE_3G2 )
1366
put_tag(pb, "3g2a");
1367
else if ( mov->mode == MODE_PSP )
1368
put_tag(pb, "MSNV");
1369
else if ( mov->mode == MODE_MP4 )
1370
put_tag(pb, "isom");
1374
put_be32(pb, 0x200 );
1376
if ( mov->mode == MODE_3GP )
1377
put_tag(pb, "3gp4");
1378
else if ( mov->mode == MODE_3G2 )
1379
put_tag(pb, "3g2a");
1380
else if ( mov->mode == MODE_PSP )
1381
put_tag(pb, "MSNV");
1382
else if ( mov->mode == MODE_MP4 )
1383
put_tag(pb, "mp41");
1388
static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
1390
AVCodecContext *VideoCodec = s->streams[0]->codec;
1391
AVCodecContext *AudioCodec = s->streams[1]->codec;
1392
int AudioRate = AudioCodec->sample_rate;
1393
int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
1394
int audio_kbitrate= AudioCodec->bit_rate / 1000;
1395
int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
1397
put_be32(pb, 0x94 ); /* size */
1398
put_tag(pb, "uuid");
1399
put_tag(pb, "PROF");
1401
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */
1402
put_be32(pb, 0xbb88695c );
1403
put_be32(pb, 0xfac9c740 );
1405
put_be32(pb, 0x0 ); /* ? */
1406
put_be32(pb, 0x3 ); /* 3 sections ? */
1408
put_be32(pb, 0x14 ); /* size */
1409
put_tag(pb, "FPRF");
1410
put_be32(pb, 0x0 ); /* ? */
1411
put_be32(pb, 0x0 ); /* ? */
1412
put_be32(pb, 0x0 ); /* ? */
1414
put_be32(pb, 0x2c ); /* size */
1415
put_tag(pb, "APRF"); /* audio */
1417
put_be32(pb, 0x2 ); /* TrackID */
1418
put_tag(pb, "mp4a");
1419
put_be32(pb, 0x20f );
1421
put_be32(pb, audio_kbitrate);
1422
put_be32(pb, audio_kbitrate);
1423
put_be32(pb, AudioRate );
1424
put_be32(pb, AudioCodec->channels );
1426
put_be32(pb, 0x34 ); /* size */
1427
put_tag(pb, "VPRF"); /* video */
1429
put_be32(pb, 0x1 ); /* TrackID */
1430
if (VideoCodec->codec_id == CODEC_ID_H264) {
1431
put_tag(pb, "avc1");
1432
put_be16(pb, 0x014D );
1433
put_be16(pb, 0x0015 );
1435
put_tag(pb, "mp4v");
1436
put_be16(pb, 0x0000 );
1437
put_be16(pb, 0x0103 );
1440
put_be32(pb, video_kbitrate);
1441
put_be32(pb, video_kbitrate);
1442
put_be32(pb, FrameRate);
1443
put_be32(pb, FrameRate);
1444
put_be16(pb, VideoCodec->width);
1445
put_be16(pb, VideoCodec->height);
1446
put_be32(pb, 0x010001); /* ? */
1449
static int mov_write_header(AVFormatContext *s)
1451
ByteIOContext *pb = &s->pb;
1452
MOVContext *mov = s->priv_data;
1455
/* Default mode == MP4 */
1456
mov->mode = MODE_MP4;
1458
if (s->oformat != NULL) {
1459
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
1460
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2;
1461
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
1462
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
1464
mov_write_ftyp_tag(pb,s);
1465
if ( mov->mode == MODE_PSP ) {
1466
if ( s->nb_streams != 2 ) {
1467
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
1470
mov_write_uuidprof_tag(pb,s);
1474
for(i=0; i<s->nb_streams; i++){
1475
AVStream *st= s->streams[i];
1476
MOVTrack *track= &mov->tracks[i];
1478
track->enc = st->codec;
1479
track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
1480
track->mode = mov->mode;
1481
if(st->codec->codec_type == CODEC_TYPE_VIDEO){
1482
track->tag = mov_find_video_codec_tag(s, track);
1483
track->timescale = st->codec->time_base.den;
1484
track->sampleDuration = st->codec->time_base.num;
1485
av_set_pts_info(st, 64, 1, st->codec->time_base.den);
1486
}else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
1487
track->tag = mov_find_audio_codec_tag(s, track);
1488
track->timescale = st->codec->sample_rate;
1489
track->sampleDuration = st->codec->frame_size;
1490
av_set_pts_info(st, 64, 1, st->codec->sample_rate);
1491
track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
1493
if (!track->sampleDuration) {
1494
av_log(s, AV_LOG_ERROR, "track %d: sample duration is not set\n", i);
1499
mov_write_mdat_tag(pb, mov);
1500
mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
1501
mov->nb_streams = s->nb_streams;
1503
put_flush_packet(pb);
1508
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
1510
MOVContext *mov = s->priv_data;
1511
ByteIOContext *pb = &s->pb;
1512
MOVTrack *trk = &mov->tracks[pkt->stream_index];
1513
AVCodecContext *enc = trk->enc;
1514
unsigned int samplesInChunk = 0;
1515
int size= pkt->size;
1517
if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */
1518
if (!size) return 0; /* Discard 0 sized packets */
1520
if (enc->codec_id == CODEC_ID_AMR_NB) {
1521
/* We must find out how many AMR blocks there are in one packet */
1522
static uint16_t packed_size[16] =
1523
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
1526
while (len < size && samplesInChunk < 100) {
1527
len += packed_size[(pkt->data[len] >> 3) & 0x0F];
1530
if(samplesInChunk > 1){
1531
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, inplement a AVParser for it\n");
1534
} else if (trk->sampleSize)
1535
samplesInChunk = size/trk->sampleSize;
1539
/* copy extradata if it exists */
1540
if (trk->vosLen == 0 && enc->extradata_size > 0) {
1541
trk->vosLen = enc->extradata_size;
1542
trk->vosData = av_malloc(trk->vosLen);
1543
memcpy(trk->vosData, enc->extradata, trk->vosLen);
1546
if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
1547
/* from x264 or from bytestream h264 */
1548
/* nal reformating needed */
1549
avc_parse_nal_units(&pkt->data, &pkt->size);
1554
if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
1555
trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
1560
trk->cluster[trk->entry].pos = url_ftell(pb);
1561
trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
1562
trk->cluster[trk->entry].size = size;
1563
trk->cluster[trk->entry].entries = samplesInChunk;
1564
if(enc->codec_type == CODEC_TYPE_VIDEO) {
1565
if (pkt->dts != pkt->pts)
1566
trk->hasBframes = 1;
1567
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
1568
trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
1569
if(trk->cluster[trk->entry].key_frame)
1570
trk->hasKeyframes++;
1573
trk->sampleCount += samplesInChunk;
1574
mov->mdat_size += size;
1576
put_buffer(pb, pkt->data, size);
1578
put_flush_packet(pb);
1582
static int mov_write_trailer(AVFormatContext *s)
1584
MOVContext *mov = s->priv_data;
1585
ByteIOContext *pb = &s->pb;
1589
offset_t moov_pos = url_ftell(pb);
1591
/* Write size of mdat tag */
1592
if (mov->mdat_size+8 <= UINT32_MAX) {
1593
url_fseek(pb, mov->mdat_pos, SEEK_SET);
1594
put_be32(pb, mov->mdat_size+8);
1596
/* overwrite 'wide' placeholder atom */
1597
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
1598
put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
1599
put_tag(pb, "mdat");
1600
put_be64(pb, mov->mdat_size+16);
1602
url_fseek(pb, moov_pos, SEEK_SET);
1604
mov_write_moov_tag(pb, mov, s);
1606
for (i=0; i<mov->nb_streams; i++) {
1607
av_freep(&mov->tracks[i].cluster);
1609
if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
1613
put_flush_packet(pb);
1618
#ifdef CONFIG_MOV_MUXER
1619
AVOutputFormat mov_muxer = {
1630
.flags = AVFMT_GLOBALHEADER,
1633
#ifdef CONFIG_TGP_MUXER
1634
AVOutputFormat tgp_muxer = {
1645
.flags = AVFMT_GLOBALHEADER,
1648
#ifdef CONFIG_MP4_MUXER
1649
AVOutputFormat mp4_muxer = {
1660
.flags = AVFMT_GLOBALHEADER,
1663
#ifdef CONFIG_PSP_MUXER
1664
AVOutputFormat psp_muxer = {
1675
.flags = AVFMT_GLOBALHEADER,
1678
#ifdef CONFIG_TG2_MUXER
1679
AVOutputFormat tg2_muxer = {
1690
.flags = AVFMT_GLOBALHEADER,
1694
int movenc_init(void)
1696
av_register_output_format(&mov_muxer);
1697
av_register_output_format(&tgp_muxer);
1698
av_register_output_format(&mp4_muxer);
1699
av_register_output_format(&psp_muxer);
1700
av_register_output_format(&tg2_muxer);