1788 lines
		
	
	
		
			56 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1788 lines
		
	
	
		
			56 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
 | |
| #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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| 
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| #undef NDEBUG
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| #include <assert.h>
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| 
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| #define MOV_INDEX_CLUSTER_SIZE 16384
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| #define globalTimescale 1000
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| 
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| #define MODE_MP4  0x01
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| #define MODE_MOV  0x02
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| #define MODE_3GP  0x04
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| #define MODE_PSP  0x08 // 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  0x10
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| #define MODE_IPOD 0x20
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| 
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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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| 
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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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| 
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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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| 
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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;
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| 
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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)
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| {
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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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| 
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|     return curpos - pos;
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| }
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| 
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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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| {
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|     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 */
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|     if (pos > UINT32_MAX) {
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|         mode64 = 1;
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|         put_tag(pb, "co64");
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|     } else
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|         put_tag(pb, "stco");
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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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|         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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| }
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| 
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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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| {
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|     int equalChunks = 1;
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|     int i, j, entries = 0, tst = -1, oldtst = -1;
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| 
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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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| 
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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) {
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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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|     }
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|     else {
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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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|             }
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|         }
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|     }
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|     return updateSize(pb, pos);
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| }
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| 
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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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| {
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|     int index = 0, oldval = -1, i;
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|     offset_t entryPos, curpos;
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| 
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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, "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++) {
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|         if(oldval != track->cluster[i].samplesInChunk)
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|         {
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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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|             index++;
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|         }
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|     }
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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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| 
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|     return updateSize(pb, pos);
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| }
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| 
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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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| {
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|     offset_t curpos, entryPos;
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|     int i, index = 0;
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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, "stss");
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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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|             put_be32(pb, i+1);
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|             index++;
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|         }
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|     }
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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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| }
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| 
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| static int mov_write_amr_tag(ByteIOContext *pb, MOVTrack *track)
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| {
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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_tag(pb, "FFMP");
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|     put_byte(pb, 0); /* decoder version */
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| 
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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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|     return 0x11;
 | |
| }
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| 
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| /**
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|  * This function writes extradata "as is".
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|  * Extradata must be formated like a valid atom (with size and tag)
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|  */
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| static int mov_write_extradata_tag(ByteIOContext *pb, MOVTrack *track)
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| {
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|     put_buffer(pb, track->enc->extradata, track->enc->extradata_size);
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|     return track->enc->extradata_size;
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| }
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| 
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| static int mov_write_enda_tag(ByteIOContext *pb)
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| {
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|     put_be32(pb, 10);
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|     put_tag(pb, "enda");
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|     put_be16(pb, 1); /* little endian */
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|     return 10;
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| }
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| 
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| static unsigned int descrLength(unsigned int len)
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| {
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|     int i;
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|     for(i=1; len>>(7*i); i++);
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|     return len + 1 + i;
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| }
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| 
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| static void putDescr(ByteIOContext *pb, int tag, unsigned int size)
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| {
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|     int i= descrLength(size) - size - 2;
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|     put_byte(pb, tag);
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|     for(; i>0; i--)
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|         put_byte(pb, (size>>(7*i)) | 0x80);
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|     put_byte(pb, size & 0x7F);
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| }
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| 
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| static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack *track) // Basic
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| {
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|     offset_t pos = url_ftell(pb);
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|     int decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
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| 
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|     put_be32(pb, 0); // size
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|     put_tag(pb, "esds");
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|     put_be32(pb, 0); // Version
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| 
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|     // ES descriptor
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|     putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) +
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|              descrLength(1));
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|     put_be16(pb, track->trackID);
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|     put_byte(pb, 0x00); // flags (= no flags)
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| 
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|     // DecoderConfig descriptor
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|     putDescr(pb, 0x04, 13 + decoderSpecificInfoLen);
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| 
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|     // Object type indication
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|     put_byte(pb, codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
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| 
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|     // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
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|     // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
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|     if(track->enc->codec_type == CODEC_TYPE_AUDIO)
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|         put_byte(pb, 0x15); // flags (= Audiostream)
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|     else
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|         put_byte(pb, 0x11); // flags (= Visualstream)
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| 
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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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| 
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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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|     else
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|         put_be32(pb, track->enc->rc_max_rate); // avg bitrate
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| 
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|     if (track->vosLen) {
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|         // 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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|     }
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| 
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|     // SL descriptor
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|     putDescr(pb, 0x06, 1);
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|     put_byte(pb, 0x02);
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|     return updateSize(pb, pos);
 | |
| }
 | |
| 
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| static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack *track)
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| {
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|     offset_t pos = url_ftell(pb);
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| 
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|     put_be32(pb, 0);     /* size */
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|     put_tag(pb, "wave");
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| 
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|     put_be32(pb, 12);    /* size */
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|     put_tag(pb, "frma");
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|     put_le32(pb, track->tag);
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| 
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|     if (track->enc->codec_id == CODEC_ID_AAC) {
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|         /* useless atom needed by mplayer, ipod, not needed by quicktime */
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|         put_be32(pb, 12); /* size */
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|         put_tag(pb, "mp4a");
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|         put_be32(pb, 0);
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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) {
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|         mov_write_enda_tag(pb);
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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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|     } else if (track->enc->codec_id == CODEC_ID_ALAC) {
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|         mov_write_extradata_tag(pb, track);
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|     }
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| 
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|     put_be32(pb, 8);     /* size */
 | |
|     put_be32(pb, 0);     /* null tag */
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| 
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|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_glbl_tag(ByteIOContext *pb, MOVTrack *track)
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| {
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|     put_be32(pb, track->vosLen+8);
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|     put_tag(pb, "glbl");
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|     put_buffer(pb, track->vosData, track->vosLen);
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|     return 8+track->vosLen;
 | |
| }
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| 
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| static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack *track)
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| {
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|     offset_t pos = url_ftell(pb);
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|     int version = track->mode == MODE_MOV &&
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|         (track->audio_vbr ||
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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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| 
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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 */
 | |
|     put_be16(pb, 0); /* Reserved */
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|     put_be16(pb, 1); /* Data-reference index, XXX  == 1 */
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| 
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|     /* SoundDescription */
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|     put_be16(pb, version); /* Version */
 | |
|     put_be16(pb, 0); /* Revision level */
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|     put_be32(pb, 0); /* Reserved */
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| 
 | |
|     if (track->mode == MODE_MOV) {
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|         put_be16(pb, track->enc->channels);
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|         if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
 | |
|             track->enc->codec_id == CODEC_ID_PCM_S8)
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|             put_be16(pb, 8); /* bits per sample */
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|         else
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|             put_be16(pb, 16);
 | |
|         put_be16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
 | |
|     } else { /* reserved for mp4/3gp */
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|         put_be16(pb, 2);
 | |
|         put_be16(pb, 16);
 | |
|         put_be16(pb, 0);
 | |
|     }
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| 
 | |
|     put_be16(pb, 0); /* packet size (= 0) */
 | |
|     put_be16(pb, track->timescale); /* Time scale */
 | |
|     put_be16(pb, 0); /* Reserved */
 | |
| 
 | |
|     if(version == 1) { /* SoundDescription V1 extended info */
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|         put_be32(pb, track->enc->frame_size); /* Samples per packet */
 | |
|         put_be32(pb, track->sampleSize / track->enc->channels); /* Bytes per packet */
 | |
|         put_be32(pb, track->sampleSize); /* Bytes per frame */
 | |
|         put_be32(pb, 2); /* Bytes per sample */
 | |
|     }
 | |
| 
 | |
|     if(track->mode == MODE_MOV &&
 | |
|        (track->enc->codec_id == CODEC_ID_AAC ||
 | |
|         track->enc->codec_id == CODEC_ID_AMR_NB ||
 | |
|         track->enc->codec_id == CODEC_ID_PCM_S24LE ||
 | |
|         track->enc->codec_id == CODEC_ID_PCM_S32LE ||
 | |
|         track->enc->codec_id == CODEC_ID_ALAC))
 | |
|         mov_write_wave_tag(pb, track);
 | |
|     else if(track->tag == MKTAG('m','p','4','a'))
 | |
|         mov_write_esds_tag(pb, track);
 | |
|     else if(track->enc->codec_id == CODEC_ID_AMR_NB)
 | |
|         mov_write_amr_tag(pb, track);
 | |
|     else if (track->enc->codec_id == CODEC_ID_ALAC)
 | |
|         mov_write_extradata_tag(pb, track);
 | |
|     else if(track->vosLen > 0)
 | |
|         mov_write_glbl_tag(pb, track);
 | |
| 
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_d263_tag(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 0xf); /* size */
 | |
|     put_tag(pb, "d263");
 | |
|     put_tag(pb, "FFMP");
 | |
|     put_byte(pb, 0); /* decoder version */
 | |
|     /* FIXME use AVCodecContext level/profile, when encoder will set values */
 | |
|     put_byte(pb, 0xa); /* level */
 | |
|     put_byte(pb, 0); /* profile */
 | |
|     return 0xf;
 | |
| }
 | |
| 
 | |
| /* TODO: No idea about these values */
 | |
| static int mov_write_svq3_tag(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 0x15);
 | |
|     put_tag(pb, "SMI ");
 | |
|     put_tag(pb, "SEQH");
 | |
|     put_be32(pb, 0x5);
 | |
|     put_be32(pb, 0xe2c0211d);
 | |
|     put_be32(pb, 0xc0000000);
 | |
|     put_byte(pb, 0);
 | |
|     return 0x15;
 | |
| }
 | |
| 
 | |
| static int mov_write_avcc_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
| 
 | |
|     put_be32(pb, 0);
 | |
|     put_tag(pb, "avcC");
 | |
|     ff_isom_write_avcc(pb, track->vosData, track->vosLen);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| /* also used by all avid codecs (dv, imx, meridien) and their variants */
 | |
| static int mov_write_avid_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     int i;
 | |
|     put_be32(pb, 24); /* size */
 | |
|     put_tag(pb, "ACLR");
 | |
|     put_tag(pb, "ACLR");
 | |
|     put_tag(pb, "0001");
 | |
|     put_be32(pb, 1); /* yuv 1 / rgb 2 ? */
 | |
|     put_be32(pb, 0); /* unknown */
 | |
| 
 | |
|     put_be32(pb, 24); /* size */
 | |
|     put_tag(pb, "APRG");
 | |
|     put_tag(pb, "APRG");
 | |
|     put_tag(pb, "0001");
 | |
|     put_be32(pb, 1); /* unknown */
 | |
|     put_be32(pb, 0); /* unknown */
 | |
| 
 | |
|     put_be32(pb, 120); /* size */
 | |
|     put_tag(pb, "ARES");
 | |
|     put_tag(pb, "ARES");
 | |
|     put_tag(pb, "0001");
 | |
|     put_be32(pb, AV_RB32(track->vosData + 0x28)); /* dnxhd cid, some id ? */
 | |
|     put_be32(pb, track->enc->width);
 | |
|     /* values below are based on samples created with quicktime and avid codecs */
 | |
|     if (track->vosData[5] & 2) { // interlaced
 | |
|         put_be32(pb, track->enc->height/2);
 | |
|         put_be32(pb, 2); /* unknown */
 | |
|         put_be32(pb, 0); /* unknown */
 | |
|         put_be32(pb, 4); /* unknown */
 | |
|     } else {
 | |
|         put_be32(pb, track->enc->height);
 | |
|         put_be32(pb, 1); /* unknown */
 | |
|         put_be32(pb, 0); /* unknown */
 | |
|         if (track->enc->height == 1080)
 | |
|             put_be32(pb, 5); /* unknown */
 | |
|         else
 | |
|             put_be32(pb, 6); /* unknown */
 | |
|     }
 | |
|     /* padding */
 | |
|     for (i = 0; i < 10; i++)
 | |
|         put_be64(pb, 0);
 | |
| 
 | |
|     /* extra padding for stsd needed */
 | |
|     put_be32(pb, 0);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static const AVCodecTag codec_3gp_tags[] = {
 | |
|     { CODEC_ID_H263,   MKTAG('s','2','6','3') },
 | |
|     { CODEC_ID_H264,   MKTAG('a','v','c','1') },
 | |
|     { CODEC_ID_MPEG4,  MKTAG('m','p','4','v') },
 | |
|     { CODEC_ID_AAC,    MKTAG('m','p','4','a') },
 | |
|     { CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
 | |
|     { CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
 | |
| };
 | |
| 
 | |
| static const AVCodecTag mov_pix_fmt_tags[] = {
 | |
|     { PIX_FMT_YUYV422, MKTAG('y','u','v','s') },
 | |
|     { PIX_FMT_UYVY422, MKTAG('2','v','u','y') },
 | |
|     { PIX_FMT_BGR555,  MKTAG('r','a','w',' ') },
 | |
|     { PIX_FMT_RGB24,   MKTAG('r','a','w',' ') },
 | |
|     { PIX_FMT_BGR32_1, MKTAG('r','a','w',' ') },
 | |
| };
 | |
| 
 | |
| static const AVCodecTag codec_ipod_tags[] = {
 | |
|     { CODEC_ID_H264,   MKTAG('a','v','c','1') },
 | |
|     { CODEC_ID_MPEG4,  MKTAG('m','p','4','v') },
 | |
|     { CODEC_ID_AAC,    MKTAG('m','p','4','a') },
 | |
|     { CODEC_ID_ALAC,   MKTAG('a','l','a','c') },
 | |
| };
 | |
| 
 | |
| static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
 | |
| {
 | |
|     int tag = track->enc->codec_tag;
 | |
|     if (track->mode == MODE_MP4 || track->mode == MODE_PSP) {
 | |
|         if (!codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
 | |
|             return 0;
 | |
|         if (track->enc->codec_id == CODEC_ID_H264)           tag = MKTAG('a','v','c','1');
 | |
|         else if (track->enc->codec_type == CODEC_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
 | |
|         else if (track->enc->codec_type == CODEC_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
 | |
|     } else if (track->mode == MODE_IPOD) {
 | |
|         tag = codec_get_tag(codec_ipod_tags, track->enc->codec_id);
 | |
|         if (!match_ext(s->filename, "m4a") && !match_ext(s->filename, "m4v"))
 | |
|             av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
 | |
|                    "Quicktime/Ipod might not play the file\n");
 | |
|     } else if (track->mode & MODE_3GP) {
 | |
|         tag = codec_get_tag(codec_3gp_tags, track->enc->codec_id);
 | |
|     } else if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
 | |
|                         (tag == MKTAG('d','v','c','p') ||
 | |
|                          track->enc->codec_id == CODEC_ID_RAWVIDEO))) {
 | |
|         if (track->enc->codec_id == CODEC_ID_DVVIDEO) {
 | |
|             if (track->enc->height == 480) /* NTSC */
 | |
|                 if  (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
 | |
|                 else                                         tag = MKTAG('d','v','c',' ');
 | |
|             else if (track->enc->pix_fmt == PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
 | |
|             else if (track->enc->pix_fmt == PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
 | |
|             else                                             tag = MKTAG('d','v','p','p');
 | |
|         } else if (track->enc->codec_id == CODEC_ID_RAWVIDEO) {
 | |
|             tag = codec_get_tag(mov_pix_fmt_tags, track->enc->pix_fmt);
 | |
|             if (!tag) // restore tag
 | |
|                 tag = track->enc->codec_tag;
 | |
|         } else {
 | |
|             if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
 | |
|                 tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
 | |
|                 if (!tag) { // if no mac fcc found, try with Microsoft tags
 | |
|                     tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id);
 | |
|                     if (tag)
 | |
|                         av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, "
 | |
|                                "the file may be unplayable!\n");
 | |
|                 }
 | |
|             } else if (track->enc->codec_type == CODEC_TYPE_AUDIO) {
 | |
|                 tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
 | |
|                 if (!tag) { // if no mac fcc found, try with Microsoft tags
 | |
|                     int ms_tag = codec_get_tag(codec_wav_tags, track->enc->codec_id);
 | |
|                     if (ms_tag) {
 | |
|                         tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
 | |
|                         av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, "
 | |
|                                "the file may be unplayable!\n");
 | |
|                     }
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     return tag;
 | |
| }
 | |
| 
 | |
| /** Write uuid atom.
 | |
|  * Needed to make file play in iPods running newest firmware
 | |
|  * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
 | |
|  */
 | |
| static int mov_write_uuid_tag_ipod(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 28);
 | |
|     put_tag(pb, "uuid");
 | |
|     put_be32(pb, 0x6b6840f2);
 | |
|     put_be32(pb, 0x5f244fc5);
 | |
|     put_be32(pb, 0xba39a51b);
 | |
|     put_be32(pb, 0xcf0323f3);
 | |
|     put_be32(pb, 0x0);
 | |
|     return 28;
 | |
| }
 | |
| 
 | |
| static int mov_write_video_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     char compressor_name[32];
 | |
| 
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_le32(pb, track->tag); // store it byteswapped
 | |
|     put_be32(pb, 0); /* Reserved */
 | |
|     put_be16(pb, 0); /* Reserved */
 | |
|     put_be16(pb, 1); /* Data-reference index */
 | |
| 
 | |
|     put_be16(pb, 0); /* Codec stream version */
 | |
|     put_be16(pb, 0); /* Codec stream revision (=0) */
 | |
|     if (track->mode == MODE_MOV) {
 | |
|         put_tag(pb, "FFMP"); /* Vendor */
 | |
|         if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
 | |
|             put_be32(pb, 0); /* Temporal Quality */
 | |
|             put_be32(pb, 0x400); /* Spatial Quality = lossless*/
 | |
|         } else {
 | |
|             put_be32(pb, 0x200); /* Temporal Quality = normal */
 | |
|             put_be32(pb, 0x200); /* Spatial Quality = normal */
 | |
|         }
 | |
|     } else {
 | |
|         put_be32(pb, 0); /* Reserved */
 | |
|         put_be32(pb, 0); /* Reserved */
 | |
|         put_be32(pb, 0); /* Reserved */
 | |
|     }
 | |
|     put_be16(pb, track->enc->width); /* Video width */
 | |
|     put_be16(pb, track->enc->height); /* Video height */
 | |
|     put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */
 | |
|     put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */
 | |
|     put_be32(pb, 0); /* Data size (= 0) */
 | |
|     put_be16(pb, 1); /* Frame count (= 1) */
 | |
| 
 | |
|     memset(compressor_name,0,32);
 | |
|     /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
 | |
|     if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
 | |
|         strncpy(compressor_name,track->enc->codec->name,31);
 | |
|     put_byte(pb, strlen(compressor_name));
 | |
|     put_buffer(pb, compressor_name, 31);
 | |
| 
 | |
|     if (track->mode == MODE_MOV && track->enc->bits_per_sample)
 | |
|         put_be16(pb, track->enc->bits_per_sample);
 | |
|     else
 | |
|         put_be16(pb, 0x18); /* Reserved */
 | |
|     put_be16(pb, 0xffff); /* Reserved */
 | |
|     if(track->tag == MKTAG('m','p','4','v'))
 | |
|         mov_write_esds_tag(pb, track);
 | |
|     else if(track->enc->codec_id == CODEC_ID_H263)
 | |
|         mov_write_d263_tag(pb);
 | |
|     else if(track->enc->codec_id == CODEC_ID_SVQ3)
 | |
|         mov_write_svq3_tag(pb);
 | |
|     else if(track->enc->codec_id == CODEC_ID_DNXHD)
 | |
|         mov_write_avid_tag(pb, track);
 | |
|     else if(track->enc->codec_id == CODEC_ID_H264) {
 | |
|         mov_write_avcc_tag(pb, track);
 | |
|         if(track->mode == MODE_IPOD)
 | |
|             mov_write_uuid_tag_ipod(pb);
 | |
|     } else if(track->vosLen > 0)
 | |
|         mov_write_glbl_tag(pb, track);
 | |
| 
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "stsd");
 | |
|     put_be32(pb, 0); /* version & flags */
 | |
|     put_be32(pb, 1); /* entry count */
 | |
|     if (track->enc->codec_type == CODEC_TYPE_VIDEO)
 | |
|         mov_write_video_tag(pb, track);
 | |
|     else if (track->enc->codec_type == CODEC_TYPE_AUDIO)
 | |
|         mov_write_audio_tag(pb, track);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_ctts_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     MOV_stts_t *ctts_entries;
 | |
|     uint32_t entries = 0;
 | |
|     uint32_t atom_size;
 | |
|     int i;
 | |
| 
 | |
|     ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
 | |
|     ctts_entries[0].count = 1;
 | |
|     ctts_entries[0].duration = track->cluster[0].cts;
 | |
|     for (i=1; i<track->entry; i++) {
 | |
|         if (track->cluster[i].cts == ctts_entries[entries].duration) {
 | |
|             ctts_entries[entries].count++; /* compress */
 | |
|         } else {
 | |
|             entries++;
 | |
|             ctts_entries[entries].duration = track->cluster[i].cts;
 | |
|             ctts_entries[entries].count = 1;
 | |
|         }
 | |
|     }
 | |
|     entries++; /* last one */
 | |
|     atom_size = 16 + (entries * 8);
 | |
|     put_be32(pb, atom_size); /* size */
 | |
|     put_tag(pb, "ctts");
 | |
|     put_be32(pb, 0); /* version & flags */
 | |
|     put_be32(pb, entries); /* entry count */
 | |
|     for (i=0; i<entries; i++) {
 | |
|         put_be32(pb, ctts_entries[i].count);
 | |
|         put_be32(pb, ctts_entries[i].duration);
 | |
|     }
 | |
|     av_free(ctts_entries);
 | |
|     return atom_size;
 | |
| }
 | |
| 
 | |
| /* Time to sample atom */
 | |
| static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     MOV_stts_t *stts_entries;
 | |
|     uint32_t entries = -1;
 | |
|     uint32_t atom_size;
 | |
|     int i;
 | |
| 
 | |
|     if (track->enc->codec_type == CODEC_TYPE_AUDIO && !track->audio_vbr) {
 | |
|         stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
 | |
|         stts_entries[0].count = track->sampleCount;
 | |
|         stts_entries[0].duration = 1;
 | |
|         entries = 1;
 | |
|     } else {
 | |
|         stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
 | |
|         for (i=0; i<track->entry; i++) {
 | |
|             int64_t duration = i + 1 == track->entry ?
 | |
|                 track->trackDuration - track->cluster[i].dts + track->cluster[0].dts : /* readjusting */
 | |
|                 track->cluster[i+1].dts - track->cluster[i].dts;
 | |
|             if (i && duration == stts_entries[entries].duration) {
 | |
|                 stts_entries[entries].count++; /* compress */
 | |
|             } else {
 | |
|                 entries++;
 | |
|                 stts_entries[entries].duration = duration;
 | |
|                 stts_entries[entries].count = 1;
 | |
|             }
 | |
|         }
 | |
|         entries++; /* last one */
 | |
|     }
 | |
|     atom_size = 16 + (entries * 8);
 | |
|     put_be32(pb, atom_size); /* size */
 | |
|     put_tag(pb, "stts");
 | |
|     put_be32(pb, 0); /* version & flags */
 | |
|     put_be32(pb, entries); /* entry count */
 | |
|     for (i=0; i<entries; i++) {
 | |
|         put_be32(pb, stts_entries[i].count);
 | |
|         put_be32(pb, stts_entries[i].duration);
 | |
|     }
 | |
|     av_free(stts_entries);
 | |
|     return atom_size;
 | |
| }
 | |
| 
 | |
| static int mov_write_dref_tag(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 28); /* size */
 | |
|     put_tag(pb, "dref");
 | |
|     put_be32(pb, 0); /* version & flags */
 | |
|     put_be32(pb, 1); /* entry count */
 | |
| 
 | |
|     put_be32(pb, 0xc); /* size */
 | |
|     put_tag(pb, "url ");
 | |
|     put_be32(pb, 1); /* version & flags */
 | |
| 
 | |
|     return 28;
 | |
| }
 | |
| 
 | |
| static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "stbl");
 | |
|     mov_write_stsd_tag(pb, track);
 | |
|     mov_write_stts_tag(pb, track);
 | |
|     if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
 | |
|         track->hasKeyframes && track->hasKeyframes < track->entry)
 | |
|         mov_write_stss_tag(pb, track);
 | |
|     if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
 | |
|         track->hasBframes)
 | |
|         mov_write_ctts_tag(pb, track);
 | |
|     mov_write_stsc_tag(pb, track);
 | |
|     mov_write_stsz_tag(pb, track);
 | |
|     mov_write_stco_tag(pb, track);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_dinf_tag(ByteIOContext *pb)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "dinf");
 | |
|     mov_write_dref_tag(pb);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_smhd_tag(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 16); /* size */
 | |
|     put_tag(pb, "smhd");
 | |
|     put_be32(pb, 0); /* version & flags */
 | |
|     put_be16(pb, 0); /* reserved (balance, normally = 0) */
 | |
|     put_be16(pb, 0); /* reserved */
 | |
|     return 16;
 | |
| }
 | |
| 
 | |
| static int mov_write_vmhd_tag(ByteIOContext *pb)
 | |
| {
 | |
|     put_be32(pb, 0x14); /* size (always 0x14) */
 | |
|     put_tag(pb, "vmhd");
 | |
|     put_be32(pb, 0x01); /* version & flags */
 | |
|     put_be64(pb, 0); /* reserved (graphics mode = copy) */
 | |
|     return 0x14;
 | |
| }
 | |
| 
 | |
| static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     const char *descr, *hdlr, *hdlr_type;
 | |
|     offset_t pos = url_ftell(pb);
 | |
| 
 | |
|     if (!track) { /* no media --> data handler */
 | |
|         hdlr = "dhlr";
 | |
|         hdlr_type = "url ";
 | |
|         descr = "DataHandler";
 | |
|     } else {
 | |
|         hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
 | |
|         if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
 | |
|             hdlr_type = "vide";
 | |
|             descr = "VideoHandler";
 | |
|         } else {
 | |
|             hdlr_type = "soun";
 | |
|             descr = "SoundHandler";
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "hdlr");
 | |
|     put_be32(pb, 0); /* Version & flags */
 | |
|     put_buffer(pb, hdlr, 4); /* handler */
 | |
|     put_tag(pb, hdlr_type); /* handler type */
 | |
|     put_be32(pb ,0); /* reserved */
 | |
|     put_be32(pb ,0); /* reserved */
 | |
|     put_be32(pb ,0); /* reserved */
 | |
|     put_byte(pb, strlen(descr)); /* string counter */
 | |
|     put_buffer(pb, descr, strlen(descr)); /* handler description */
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "minf");
 | |
|     if(track->enc->codec_type == CODEC_TYPE_VIDEO)
 | |
|         mov_write_vmhd_tag(pb);
 | |
|     else
 | |
|         mov_write_smhd_tag(pb);
 | |
|     if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
 | |
|         mov_write_hdlr_tag(pb, NULL);
 | |
|     mov_write_dinf_tag(pb);
 | |
|     mov_write_stbl_tag(pb, track);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     int version = track->trackDuration < INT32_MAX ? 0 : 1;
 | |
| 
 | |
|     (version == 1) ? put_be32(pb, 44) : put_be32(pb, 32); /* size */
 | |
|     put_tag(pb, "mdhd");
 | |
|     put_byte(pb, version);
 | |
|     put_be24(pb, 0); /* flags */
 | |
|     if (version == 1) {
 | |
|         put_be64(pb, track->time);
 | |
|         put_be64(pb, track->time);
 | |
|     } else {
 | |
|         put_be32(pb, track->time); /* creation time */
 | |
|         put_be32(pb, track->time); /* modification time */
 | |
|     }
 | |
|     put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
 | |
|     (version == 1) ? put_be64(pb, track->trackDuration) : put_be32(pb, track->trackDuration); /* duration */
 | |
|     put_be16(pb, track->language); /* language */
 | |
|     put_be16(pb, 0); /* reserved (quality) */
 | |
| 
 | |
|     if(version!=0 && track->mode == MODE_MOV){
 | |
|         av_log(NULL, AV_LOG_ERROR,
 | |
|             "FATAL error, file duration too long for timebase, this file will not be\n"
 | |
|             "playable with quicktime. Choose a different timebase or a different\n"
 | |
|             "container format\n");
 | |
|     }
 | |
| 
 | |
|     return 32;
 | |
| }
 | |
| 
 | |
| static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "mdia");
 | |
|     mov_write_mdhd_tag(pb, track);
 | |
|     mov_write_hdlr_tag(pb, track);
 | |
|     mov_write_minf_tag(pb, track);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     int64_t duration = av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP);
 | |
|     int version = duration < INT32_MAX ? 0 : 1;
 | |
| 
 | |
|     (version == 1) ? put_be32(pb, 104) : put_be32(pb, 92); /* size */
 | |
|     put_tag(pb, "tkhd");
 | |
|     put_byte(pb, version);
 | |
|     put_be24(pb, 0xf); /* flags (track enabled) */
 | |
|     if (version == 1) {
 | |
|         put_be64(pb, track->time);
 | |
|         put_be64(pb, track->time);
 | |
|     } else {
 | |
|         put_be32(pb, track->time); /* creation time */
 | |
|         put_be32(pb, track->time); /* modification time */
 | |
|     }
 | |
|     put_be32(pb, track->trackID); /* track-id */
 | |
|     put_be32(pb, 0); /* reserved */
 | |
|     (version == 1) ? put_be64(pb, duration) : put_be32(pb, duration);
 | |
| 
 | |
|     put_be32(pb, 0); /* reserved */
 | |
|     put_be32(pb, 0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */
 | |
|     /* Volume, only for audio */
 | |
|     if(track->enc->codec_type == CODEC_TYPE_AUDIO)
 | |
|         put_be16(pb, 0x0100);
 | |
|     else
 | |
|         put_be16(pb, 0);
 | |
|     put_be16(pb, 0); /* reserved */
 | |
| 
 | |
|     /* Matrix structure */
 | |
|     put_be32(pb, 0x00010000); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x00010000); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x40000000); /* reserved */
 | |
| 
 | |
|     /* Track width and height, for visual only */
 | |
|     if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
 | |
|         double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
 | |
|         if(!sample_aspect_ratio) sample_aspect_ratio = 1;
 | |
|         put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
 | |
|         put_be32(pb, track->enc->height*0x10000);
 | |
|     }
 | |
|     else {
 | |
|         put_be32(pb, 0);
 | |
|         put_be32(pb, 0);
 | |
|     }
 | |
|     return 0x5c;
 | |
| }
 | |
| 
 | |
| // This box seems important for the psp playback ... without it the movie seems to hang
 | |
| static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     put_be32(pb, 0x24); /* size  */
 | |
|     put_tag(pb, "edts");
 | |
|     put_be32(pb, 0x1c); /* size  */
 | |
|     put_tag(pb, "elst");
 | |
|     put_be32(pb, 0x0);
 | |
|     put_be32(pb, 0x1);
 | |
| 
 | |
|     put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration   ... doesn't seem to effect psp */
 | |
| 
 | |
|     put_be32(pb, track->cluster[0].cts); /* first pts is cts since dts is 0 */
 | |
|     put_be32(pb, 0x00010000);
 | |
|     return 0x24;
 | |
| }
 | |
| 
 | |
| // goes at the end of each track!  ... Critical for PSP playback ("Incompatible data" without it)
 | |
| static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov)
 | |
| {
 | |
|     put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */
 | |
|     put_tag(pb, "uuid");
 | |
|     put_tag(pb, "USMT");
 | |
|     put_be32(pb, 0x21d24fce);
 | |
|     put_be32(pb, 0xbb88695c);
 | |
|     put_be32(pb, 0xfac9c740);
 | |
|     put_be32(pb, 0x1c);     // another size here!
 | |
|     put_tag(pb, "MTDT");
 | |
|     put_be32(pb, 0x00010012);
 | |
|     put_be32(pb, 0x0a);
 | |
|     put_be32(pb, 0x55c40000);
 | |
|     put_be32(pb, 0x1);
 | |
|     put_be32(pb, 0x0);
 | |
|     return 0x34;
 | |
| }
 | |
| 
 | |
| static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack *track)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "trak");
 | |
|     mov_write_tkhd_tag(pb, track);
 | |
|     if (track->mode == MODE_PSP || track->hasBframes)
 | |
|         mov_write_edts_tag(pb, track);  // PSP Movies require edts box
 | |
|     mov_write_mdia_tag(pb, track);
 | |
|     if (track->mode == MODE_PSP)
 | |
|         mov_write_uuid_tag_psp(pb,track);  // PSP Movies require this uuid box
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| #if 0
 | |
| /* TODO: Not sorted out, but not necessary either */
 | |
| static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
 | |
| {
 | |
|     put_be32(pb, 0x15); /* size */
 | |
|     put_tag(pb, "iods");
 | |
|     put_be32(pb, 0);    /* version & flags */
 | |
|     put_be16(pb, 0x1007);
 | |
|     put_byte(pb, 0);
 | |
|     put_be16(pb, 0x4fff);
 | |
|     put_be16(pb, 0xfffe);
 | |
|     put_be16(pb, 0x01ff);
 | |
|     return 0x15;
 | |
| }
 | |
| #endif
 | |
| 
 | |
| static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
 | |
| {
 | |
|     int maxTrackID = 1, i;
 | |
|     int64_t maxTrackLenTemp, maxTrackLen = 0;
 | |
|     int version;
 | |
| 
 | |
|     for (i=0; i<mov->nb_streams; i++) {
 | |
|         if(mov->tracks[i].entry > 0) {
 | |
|             maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP);
 | |
|             if(maxTrackLen < maxTrackLenTemp)
 | |
|                 maxTrackLen = maxTrackLenTemp;
 | |
|             if(maxTrackID < mov->tracks[i].trackID)
 | |
|                 maxTrackID = mov->tracks[i].trackID;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     version = maxTrackLen < UINT32_MAX ? 0 : 1;
 | |
|     (version == 1) ? put_be32(pb, 120) : put_be32(pb, 108); /* size */
 | |
|     put_tag(pb, "mvhd");
 | |
|     put_byte(pb, version);
 | |
|     put_be24(pb, 0); /* flags */
 | |
|     if (version == 1) {
 | |
|         put_be64(pb, mov->time);
 | |
|         put_be64(pb, mov->time);
 | |
|     } else {
 | |
|         put_be32(pb, mov->time); /* creation time */
 | |
|         put_be32(pb, mov->time); /* modification time */
 | |
|     }
 | |
|     put_be32(pb, mov->timescale); /* timescale */
 | |
|     (version == 1) ? put_be64(pb, maxTrackLen) : put_be32(pb, maxTrackLen); /* duration of longest track */
 | |
| 
 | |
|     put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
 | |
|     put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
 | |
|     put_be16(pb, 0); /* reserved */
 | |
|     put_be32(pb, 0); /* reserved */
 | |
|     put_be32(pb, 0); /* reserved */
 | |
| 
 | |
|     /* Matrix structure */
 | |
|     put_be32(pb, 0x00010000); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x00010000); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x0); /* reserved */
 | |
|     put_be32(pb, 0x40000000); /* reserved */
 | |
| 
 | |
|     put_be32(pb, 0); /* reserved (preview time) */
 | |
|     put_be32(pb, 0); /* reserved (preview duration) */
 | |
|     put_be32(pb, 0); /* reserved (poster time) */
 | |
|     put_be32(pb, 0); /* reserved (selection time) */
 | |
|     put_be32(pb, 0); /* reserved (selection duration) */
 | |
|     put_be32(pb, 0); /* reserved (current time) */
 | |
|     put_be32(pb, maxTrackID+1); /* Next track id */
 | |
|     return 0x6c;
 | |
| }
 | |
| 
 | |
| static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                                      AVFormatContext *s)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "hdlr");
 | |
|     put_be32(pb, 0);
 | |
|     put_be32(pb, 0);
 | |
|     put_tag(pb, "mdir");
 | |
|     put_tag(pb, "appl");
 | |
|     put_be32(pb, 0);
 | |
|     put_be32(pb, 0);
 | |
|     put_be16(pb, 0);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| /* helper function to write a data tag with the specified string as data */
 | |
| static int mov_write_string_data_tag(ByteIOContext *pb, const char *data, int long_style)
 | |
| {
 | |
|     if(long_style){
 | |
|         offset_t pos = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size */
 | |
|         put_tag(pb, "data");
 | |
|         put_be32(pb, 1);
 | |
|         put_be32(pb, 0);
 | |
|         put_buffer(pb, data, strlen(data));
 | |
|         return updateSize(pb, pos);
 | |
|     }else{
 | |
|         put_be16(pb, strlen(data)); /* string length */
 | |
|         put_be16(pb, 0);
 | |
|         put_buffer(pb, data, strlen(data));
 | |
|         return strlen(data) + 4;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static int mov_write_string_tag(ByteIOContext *pb, const char *name, const char *value, int long_style){
 | |
|     int size = 0;
 | |
|     if (value && value[0]) {
 | |
|         offset_t pos = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size */
 | |
|         put_tag(pb, name);
 | |
|         mov_write_string_data_tag(pb, value, long_style);
 | |
|         size= updateSize(pb, pos);
 | |
|     }
 | |
|     return size;
 | |
| }
 | |
| 
 | |
| /* iTunes year */
 | |
| static int mov_write_day_tag(ByteIOContext *pb, int year, int long_style)
 | |
| {
 | |
|     if(year){
 | |
|         char year_str[5];
 | |
|         snprintf(year_str, sizeof(year_str), "%04d", year);
 | |
|         return mov_write_string_tag(pb, "\251day", year_str, long_style);
 | |
|     }else
 | |
|         return 0;
 | |
| }
 | |
| 
 | |
| /* iTunes track number */
 | |
| static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                               AVFormatContext *s)
 | |
| {
 | |
|     int size = 0;
 | |
|     if (s->track) {
 | |
|         offset_t pos = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size */
 | |
|         put_tag(pb, "trkn");
 | |
|         {
 | |
|             offset_t pos = url_ftell(pb);
 | |
|             put_be32(pb, 0); /* size */
 | |
|             put_tag(pb, "data");
 | |
|             put_be32(pb, 0);        // 8 bytes empty
 | |
|             put_be32(pb, 0);
 | |
|             put_be16(pb, 0);        // empty
 | |
|             put_be16(pb, s->track); // track number
 | |
|             put_be16(pb, 0);        // total track number
 | |
|             put_be16(pb, 0);        // empty
 | |
|             updateSize(pb, pos);
 | |
|         }
 | |
|         size = updateSize(pb, pos);
 | |
|     }
 | |
|     return size;
 | |
| }
 | |
| 
 | |
| /* iTunes meta data list */
 | |
| static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                               AVFormatContext *s)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "ilst");
 | |
|     mov_write_string_tag(pb, "\251nam", s->title         , 1);
 | |
|     mov_write_string_tag(pb, "\251ART", s->author        , 1);
 | |
|     mov_write_string_tag(pb, "\251wrt", s->author        , 1);
 | |
|     mov_write_string_tag(pb, "\251alb", s->album         , 1);
 | |
|     mov_write_day_tag(pb, s->year ,1);
 | |
|     mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 1);
 | |
|     mov_write_string_tag(pb, "\251cmt", s->comment       , 1);
 | |
|     mov_write_string_tag(pb, "\251gen", s->genre         , 1);
 | |
|     mov_write_trkn_tag(pb, mov, s);
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| /* iTunes meta data tag */
 | |
| static int mov_write_meta_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                               AVFormatContext *s)
 | |
| {
 | |
|     int size = 0;
 | |
| 
 | |
|     // only save meta tag if required
 | |
|     if (s->title[0] || s->author[0] || s->album[0] || s->year ||
 | |
|         s->comment[0] || s->genre[0] || s->track) {
 | |
|         offset_t pos = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size */
 | |
|         put_tag(pb, "meta");
 | |
|         put_be32(pb, 0);
 | |
|         mov_write_itunes_hdlr_tag(pb, mov, s);
 | |
|         mov_write_ilst_tag(pb, mov, s);
 | |
|         size = updateSize(pb, pos);
 | |
|     }
 | |
|     return size;
 | |
| }
 | |
| 
 | |
| static int utf8len(const uint8_t *b)
 | |
| {
 | |
|     int len=0;
 | |
|     int val;
 | |
|     while(*b){
 | |
|         GET_UTF8(val, *b++, return -1;)
 | |
|         len++;
 | |
|     }
 | |
|     return len;
 | |
| }
 | |
| 
 | |
| static int ascii_to_wc(ByteIOContext *pb, const uint8_t *b)
 | |
| {
 | |
|     int val;
 | |
|     while(*b){
 | |
|         GET_UTF8(val, *b++, return -1;)
 | |
|         put_be16(pb, val);
 | |
|     }
 | |
|     put_be16(pb, 0x00);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static uint16_t language_code(const char *str)
 | |
| {
 | |
|     return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
 | |
| }
 | |
| 
 | |
| static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
 | |
|                                   const char *tag, const char *str)
 | |
| {
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     if (!utf8len(str))
 | |
|         return 0;
 | |
|     put_be32(pb, 0);   /* size */
 | |
|     put_tag (pb, tag); /* type */
 | |
|     put_be32(pb, 0);   /* version + flags */
 | |
|     if (!strcmp(tag, "yrrc"))
 | |
|         put_be16(pb, s->year);
 | |
|     else {
 | |
|         put_be16(pb, language_code("eng")); /* language */
 | |
|         ascii_to_wc(pb, str);
 | |
|         if (!strcmp(tag, "albm") && s->year)
 | |
|             put_byte(pb, s->year);
 | |
|     }
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                               AVFormatContext *s)
 | |
| {
 | |
|     int i;
 | |
|     int bitexact = 0;
 | |
| 
 | |
|     for (i = 0; i < s->nb_streams; i++)
 | |
|         if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
 | |
|             bitexact = 1;
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|     if (!bitexact && (s->title[0] || s->author[0] || s->album[0] || s->year ||
 | |
|                       s->comment[0] || s->genre[0]  || s->track)) {
 | |
|         offset_t pos = url_ftell(pb);
 | |
| 
 | |
|         put_be32(pb, 0); /* size */
 | |
|         put_tag(pb, "udta");
 | |
| 
 | |
|         if (mov->mode & MODE_3GP) {
 | |
|             mov_write_3gp_udta_tag(pb, s, "titl", s->title);
 | |
|             mov_write_3gp_udta_tag(pb, s, "auth", s->author);
 | |
|             mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
 | |
|             mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
 | |
|             mov_write_3gp_udta_tag(pb, s, "albm", s->album);
 | |
|             mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
 | |
|         } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
 | |
|             mov_write_string_tag(pb, "\251nam", s->title         , 0);
 | |
|             mov_write_string_tag(pb, "\251aut", s->author        , 0);
 | |
|             mov_write_string_tag(pb, "\251alb", s->album         , 0);
 | |
|             mov_write_day_tag(pb, s->year, 0);
 | |
|             mov_write_string_tag(pb, "\251enc", LIBAVFORMAT_IDENT, 0);
 | |
|             mov_write_string_tag(pb, "\251des", s->comment       , 0);
 | |
|             mov_write_string_tag(pb, "\251gen", s->genre         , 0);
 | |
|         } else {
 | |
|             /* iTunes meta data */
 | |
|             mov_write_meta_tag(pb, mov, s);
 | |
|         }
 | |
|         return updateSize(pb, pos);
 | |
|     }
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static void mov_write_psp_udta_tag(ByteIOContext *pb,
 | |
|                                   const char *str, const char *lang, int type)
 | |
| {
 | |
|     int len = utf8len(str)+1;
 | |
|     if(len<=0)
 | |
|         return;
 | |
|     put_be16(pb, len*2+10);            /* size */
 | |
|     put_be32(pb, type);                /* type */
 | |
|     put_be16(pb, language_code(lang)); /* language */
 | |
|     put_be16(pb, 0x01);                /* ? */
 | |
|     ascii_to_wc(pb, str);
 | |
| }
 | |
| 
 | |
| static int mov_write_uuidusmt_tag(ByteIOContext *pb, AVFormatContext *s)
 | |
| {
 | |
|     offset_t pos, pos2;
 | |
| 
 | |
|     if (s->title[0]) {
 | |
|         pos = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size placeholder*/
 | |
|         put_tag(pb, "uuid");
 | |
|         put_tag(pb, "USMT");
 | |
|         put_be32(pb, 0x21d24fce); /* 96 bit UUID */
 | |
|         put_be32(pb, 0xbb88695c);
 | |
|         put_be32(pb, 0xfac9c740);
 | |
| 
 | |
|         pos2 = url_ftell(pb);
 | |
|         put_be32(pb, 0); /* size placeholder*/
 | |
|         put_tag(pb, "MTDT");
 | |
|         put_be16(pb, 4);
 | |
| 
 | |
|         // ?
 | |
|         put_be16(pb, 0x0C);                 /* size */
 | |
|         put_be32(pb, 0x0B);                 /* type */
 | |
|         put_be16(pb, language_code("und")); /* language */
 | |
|         put_be16(pb, 0x0);                  /* ? */
 | |
|         put_be16(pb, 0x021C);               /* data */
 | |
| 
 | |
|         mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT,      "eng", 0x04);
 | |
|         mov_write_psp_udta_tag(pb, s->title,              "eng", 0x01);
 | |
| //        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);
 | |
|         mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
 | |
| 
 | |
|         updateSize(pb, pos2);
 | |
|         return updateSize(pb, pos);
 | |
|     }
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
 | |
|                               AVFormatContext *s)
 | |
| {
 | |
|     int i;
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size placeholder*/
 | |
|     put_tag(pb, "moov");
 | |
|     mov->timescale = globalTimescale;
 | |
| 
 | |
|     for (i=0; i<mov->nb_streams; i++) {
 | |
|         if(mov->tracks[i].entry <= 0) continue;
 | |
| 
 | |
|         mov->tracks[i].time = mov->time;
 | |
|         mov->tracks[i].trackID = i+1;
 | |
|     }
 | |
| 
 | |
|     mov_write_mvhd_tag(pb, mov);
 | |
|     //mov_write_iods_tag(pb, mov);
 | |
|     for (i=0; i<mov->nb_streams; i++) {
 | |
|         if(mov->tracks[i].entry > 0) {
 | |
|             mov_write_trak_tag(pb, &(mov->tracks[i]));
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (mov->mode == MODE_PSP)
 | |
|         mov_write_uuidusmt_tag(pb, s);
 | |
|     else
 | |
|         mov_write_udta_tag(pb, mov, s);
 | |
| 
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static int mov_write_mdat_tag(ByteIOContext *pb, MOVContext *mov)
 | |
| {
 | |
|     put_be32(pb, 8);    // placeholder for extended size field (64 bit)
 | |
|     put_tag(pb, mov->mode == MODE_MOV ? "wide" : "free");
 | |
| 
 | |
|     mov->mdat_pos = url_ftell(pb);
 | |
|     put_be32(pb, 0); /* size placeholder*/
 | |
|     put_tag(pb, "mdat");
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| /* TODO: This needs to be more general */
 | |
| static int mov_write_ftyp_tag(ByteIOContext *pb, AVFormatContext *s)
 | |
| {
 | |
|     MOVContext *mov = s->priv_data;
 | |
|     offset_t pos = url_ftell(pb);
 | |
|     int has_h264 = 0, has_video = 0;
 | |
|     int minor = 0x200;
 | |
|     int i;
 | |
| 
 | |
|     for (i = 0; i < s->nb_streams; i++) {
 | |
|         AVStream *st = s->streams[i];
 | |
|         if (st->codec->codec_type == CODEC_TYPE_VIDEO)
 | |
|             has_video = 1;
 | |
|         if (st->codec->codec_id == CODEC_ID_H264)
 | |
|             has_h264 = 1;
 | |
|     }
 | |
| 
 | |
|     put_be32(pb, 0); /* size */
 | |
|     put_tag(pb, "ftyp");
 | |
| 
 | |
|     if (mov->mode == MODE_3GP) {
 | |
|         put_tag(pb, has_h264 ? "3gp6"  : "3gp4");
 | |
|         minor =     has_h264 ?   0x100 :   0x200;
 | |
|     } else if (mov->mode & MODE_3G2) {
 | |
|         put_tag(pb, has_h264 ? "3g2b"  : "3g2a");
 | |
|         minor =     has_h264 ? 0x20000 : 0x10000;
 | |
|     }else if (mov->mode == MODE_PSP)
 | |
|         put_tag(pb, "MSNV");
 | |
|     else if (mov->mode == MODE_MP4)
 | |
|         put_tag(pb, "isom");
 | |
|     else if (mov->mode == MODE_IPOD)
 | |
|         put_tag(pb, has_video ? "M4V ":"M4A ");
 | |
|     else
 | |
|         put_tag(pb, "qt  ");
 | |
| 
 | |
|     put_be32(pb, minor);
 | |
| 
 | |
|     if(mov->mode == MODE_MOV)
 | |
|         put_tag(pb, "qt  ");
 | |
|     else{
 | |
|         put_tag(pb, "isom");
 | |
|         put_tag(pb, "iso2");
 | |
|         if(has_h264)
 | |
|             put_tag(pb, "avc1");
 | |
|     }
 | |
| 
 | |
|     if (mov->mode == MODE_3GP)
 | |
|         put_tag(pb, has_h264 ? "3gp6":"3gp4");
 | |
|     else if (mov->mode & MODE_3G2)
 | |
|         put_tag(pb, has_h264 ? "3g2b":"3g2a");
 | |
|     else if (mov->mode == MODE_PSP)
 | |
|         put_tag(pb, "MSNV");
 | |
|     else if (mov->mode == MODE_MP4)
 | |
|         put_tag(pb, "mp41");
 | |
|     return updateSize(pb, pos);
 | |
| }
 | |
| 
 | |
| static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s)
 | |
| {
 | |
|     AVCodecContext *VideoCodec = s->streams[0]->codec;
 | |
|     AVCodecContext *AudioCodec = s->streams[1]->codec;
 | |
|     int AudioRate = AudioCodec->sample_rate;
 | |
|     int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num);
 | |
|     int audio_kbitrate= AudioCodec->bit_rate / 1000;
 | |
|     int video_kbitrate= FFMIN(VideoCodec->bit_rate / 1000, 800 - audio_kbitrate);
 | |
| 
 | |
|     put_be32(pb, 0x94); /* size */
 | |
|     put_tag(pb, "uuid");
 | |
|     put_tag(pb, "PROF");
 | |
| 
 | |
|     put_be32(pb, 0x21d24fce); /* 96 bit UUID */
 | |
|     put_be32(pb, 0xbb88695c);
 | |
|     put_be32(pb, 0xfac9c740);
 | |
| 
 | |
|     put_be32(pb, 0x0);  /* ? */
 | |
|     put_be32(pb, 0x3);  /* 3 sections ? */
 | |
| 
 | |
|     put_be32(pb, 0x14); /* size */
 | |
|     put_tag(pb, "FPRF");
 | |
|     put_be32(pb, 0x0);  /* ? */
 | |
|     put_be32(pb, 0x0);  /* ? */
 | |
|     put_be32(pb, 0x0);  /* ? */
 | |
| 
 | |
|     put_be32(pb, 0x2c);  /* size */
 | |
|     put_tag(pb, "APRF");   /* audio */
 | |
|     put_be32(pb, 0x0);
 | |
|     put_be32(pb, 0x2);   /* TrackID */
 | |
|     put_tag(pb, "mp4a");
 | |
|     put_be32(pb, 0x20f);
 | |
|     put_be32(pb, 0x0);
 | |
|     put_be32(pb, audio_kbitrate);
 | |
|     put_be32(pb, audio_kbitrate);
 | |
|     put_be32(pb, AudioRate);
 | |
|     put_be32(pb, AudioCodec->channels);
 | |
| 
 | |
|     put_be32(pb, 0x34);  /* size */
 | |
|     put_tag(pb, "VPRF");   /* video */
 | |
|     put_be32(pb, 0x0);
 | |
|     put_be32(pb, 0x1);    /* TrackID */
 | |
|     if (VideoCodec->codec_id == CODEC_ID_H264) {
 | |
|         put_tag(pb, "avc1");
 | |
|         put_be16(pb, 0x014D);
 | |
|         put_be16(pb, 0x0015);
 | |
|     } else {
 | |
|         put_tag(pb, "mp4v");
 | |
|         put_be16(pb, 0x0000);
 | |
|         put_be16(pb, 0x0103);
 | |
|     }
 | |
|     put_be32(pb, 0x0);
 | |
|     put_be32(pb, video_kbitrate);
 | |
|     put_be32(pb, video_kbitrate);
 | |
|     put_be32(pb, FrameRate);
 | |
|     put_be32(pb, FrameRate);
 | |
|     put_be16(pb, VideoCodec->width);
 | |
|     put_be16(pb, VideoCodec->height);
 | |
|     put_be32(pb, 0x010001); /* ? */
 | |
| }
 | |
| 
 | |
| static int mov_write_header(AVFormatContext *s)
 | |
| {
 | |
|     ByteIOContext *pb = s->pb;
 | |
|     MOVContext *mov = s->priv_data;
 | |
|     int i;
 | |
| 
 | |
|     if (url_is_streamed(s->pb)) {
 | |
|         av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
 | |
|         return -1;
 | |
|     }
 | |
| 
 | |
|     /* Default mode == MP4 */
 | |
|     mov->mode = MODE_MP4;
 | |
| 
 | |
|     if (s->oformat != NULL) {
 | |
|         if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
 | |
|         else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
 | |
|         else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
 | |
|         else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
 | |
|         else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
 | |
| 
 | |
|         mov_write_ftyp_tag(pb,s);
 | |
|         if (mov->mode == MODE_PSP) {
 | |
|             if (s->nb_streams != 2) {
 | |
|                 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
 | |
|                 return -1;
 | |
|             }
 | |
|             mov_write_uuidprof_tag(pb,s);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     for(i=0; i<s->nb_streams; i++){
 | |
|         AVStream *st= s->streams[i];
 | |
|         MOVTrack *track= &mov->tracks[i];
 | |
| 
 | |
|         track->enc = st->codec;
 | |
|         track->language = ff_mov_iso639_to_lang(st->language, mov->mode != MODE_MOV);
 | |
|         track->mode = mov->mode;
 | |
|         track->tag = mov_find_codec_tag(s, track);
 | |
|         if (!track->tag) {
 | |
|             av_log(s, AV_LOG_ERROR, "track %d: could not find tag for codec\n", i);
 | |
|             return -1;
 | |
|         }
 | |
|         if(st->codec->codec_type == CODEC_TYPE_VIDEO){
 | |
|             track->timescale = st->codec->time_base.den;
 | |
|             av_set_pts_info(st, 64, 1, st->codec->time_base.den);
 | |
|             if (track->mode == MODE_MOV && track->timescale > 100000)
 | |
|                 av_log(s, AV_LOG_WARNING,
 | |
|                        "WARNING codec timebase is very high. If duration is too long,\n"
 | |
|                        "file may not be playable by quicktime. Specify a shorter timebase\n"
 | |
|                        "or choose different container.\n");
 | |
|         }else if(st->codec->codec_type == CODEC_TYPE_AUDIO){
 | |
|             track->timescale = st->codec->sample_rate;
 | |
|             av_set_pts_info(st, 64, 1, st->codec->sample_rate);
 | |
|             if(!st->codec->frame_size){
 | |
|                 av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
 | |
|                 return -1;
 | |
|             }else if(st->codec->frame_size > 1){ /* assume compressed audio */
 | |
|                 track->audio_vbr = 1;
 | |
|             }else{
 | |
|                 track->sampleSize = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     mov_write_mdat_tag(pb, mov);
 | |
|     mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based
 | |
|     mov->nb_streams = s->nb_streams;
 | |
| 
 | |
|     put_flush_packet(pb);
 | |
| 
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
 | |
| {
 | |
|     MOVContext *mov = s->priv_data;
 | |
|     ByteIOContext *pb = s->pb;
 | |
|     MOVTrack *trk = &mov->tracks[pkt->stream_index];
 | |
|     AVCodecContext *enc = trk->enc;
 | |
|     unsigned int samplesInChunk = 0;
 | |
|     int size= pkt->size;
 | |
| 
 | |
|     if (url_is_streamed(s->pb)) return 0; /* Can't handle that */
 | |
|     if (!size) return 0; /* Discard 0 sized packets */
 | |
| 
 | |
|     if (enc->codec_id == CODEC_ID_AMR_NB) {
 | |
|         /* We must find out how many AMR blocks there are in one packet */
 | |
|         static uint16_t packed_size[16] =
 | |
|             {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
 | |
|         int len = 0;
 | |
| 
 | |
|         while (len < size && samplesInChunk < 100) {
 | |
|             len += packed_size[(pkt->data[len] >> 3) & 0x0F];
 | |
|             samplesInChunk++;
 | |
|         }
 | |
|         if(samplesInChunk > 1){
 | |
|             av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
 | |
|             return -1;
 | |
|         }
 | |
|     } else if (trk->sampleSize)
 | |
|         samplesInChunk = size/trk->sampleSize;
 | |
|     else
 | |
|         samplesInChunk = 1;
 | |
| 
 | |
|     /* copy extradata if it exists */
 | |
|     if (trk->vosLen == 0 && enc->extradata_size > 0) {
 | |
|         trk->vosLen = enc->extradata_size;
 | |
|         trk->vosData = av_malloc(trk->vosLen);
 | |
|         memcpy(trk->vosData, enc->extradata, trk->vosLen);
 | |
|     }
 | |
| 
 | |
|     if (enc->codec_id == CODEC_ID_H264 && trk->vosLen > 0 && *(uint8_t *)trk->vosData != 1) {
 | |
|         /* from x264 or from bytestream h264 */
 | |
|         /* nal reformating needed */
 | |
|         int ret = ff_avc_parse_nal_units(pkt->data, &pkt->data, &pkt->size);
 | |
|         if (ret < 0)
 | |
|             return ret;
 | |
|         assert(pkt->size);
 | |
|         size = pkt->size;
 | |
|     } else if (enc->codec_id == CODEC_ID_DNXHD && !trk->vosLen) {
 | |
|         /* copy frame header to create needed atoms */
 | |
|         if (size < 640)
 | |
|             return -1;
 | |
|         trk->vosLen = 640;
 | |
|         trk->vosData = av_malloc(trk->vosLen);
 | |
|         memcpy(trk->vosData, pkt->data, 640);
 | |
|     }
 | |
| 
 | |
|     if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
 | |
|         trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
 | |
|         if (!trk->cluster)
 | |
|             return -1;
 | |
|     }
 | |
| 
 | |
|     trk->cluster[trk->entry].pos = url_ftell(pb);
 | |
|     trk->cluster[trk->entry].samplesInChunk = samplesInChunk;
 | |
|     trk->cluster[trk->entry].size = size;
 | |
|     trk->cluster[trk->entry].entries = samplesInChunk;
 | |
|     trk->cluster[trk->entry].dts = pkt->dts;
 | |
|     trk->trackDuration = pkt->dts - trk->cluster[0].dts + pkt->duration;
 | |
| 
 | |
|     if (pkt->pts == AV_NOPTS_VALUE) {
 | |
|         av_log(s, AV_LOG_WARNING, "pts has no value\n");
 | |
|         pkt->pts = pkt->dts;
 | |
|     }
 | |
|     if (pkt->dts != pkt->pts)
 | |
|         trk->hasBframes = 1;
 | |
|     trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
 | |
|     trk->cluster[trk->entry].key_frame = !!(pkt->flags & PKT_FLAG_KEY);
 | |
|     if(trk->cluster[trk->entry].key_frame)
 | |
|         trk->hasKeyframes++;
 | |
|     trk->entry++;
 | |
|     trk->sampleCount += samplesInChunk;
 | |
|     mov->mdat_size += size;
 | |
| 
 | |
|     put_buffer(pb, pkt->data, size);
 | |
| 
 | |
|     put_flush_packet(pb);
 | |
|     return 0;
 | |
| }
 | |
| 
 | |
| static int mov_write_trailer(AVFormatContext *s)
 | |
| {
 | |
|     MOVContext *mov = s->priv_data;
 | |
|     ByteIOContext *pb = s->pb;
 | |
|     int res = 0;
 | |
|     int i;
 | |
| 
 | |
|     offset_t moov_pos = url_ftell(pb);
 | |
| 
 | |
|     /* Write size of mdat tag */
 | |
|     if (mov->mdat_size+8 <= UINT32_MAX) {
 | |
|         url_fseek(pb, mov->mdat_pos, SEEK_SET);
 | |
|         put_be32(pb, mov->mdat_size+8);
 | |
|     } else {
 | |
|         /* overwrite 'wide' placeholder atom */
 | |
|         url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
 | |
|         put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */
 | |
|         put_tag(pb, "mdat");
 | |
|         put_be64(pb, mov->mdat_size+16);
 | |
|     }
 | |
|     url_fseek(pb, moov_pos, SEEK_SET);
 | |
| 
 | |
|     mov_write_moov_tag(pb, mov, s);
 | |
| 
 | |
|     for (i=0; i<mov->nb_streams; i++) {
 | |
|         av_freep(&mov->tracks[i].cluster);
 | |
| 
 | |
|         if(mov->tracks[i].vosLen) av_free(mov->tracks[i].vosData);
 | |
| 
 | |
|     }
 | |
| 
 | |
|     put_flush_packet(pb);
 | |
| 
 | |
|     return res;
 | |
| }
 | |
| 
 | |
| #ifdef CONFIG_MOV_MUXER
 | |
| AVOutputFormat mov_muxer = {
 | |
|     "mov",
 | |
|     NULL_IF_CONFIG_SMALL("MOV format"),
 | |
|     NULL,
 | |
|     "mov",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AAC,
 | |
|     CODEC_ID_MPEG4,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){codec_movvideo_tags, codec_movaudio_tags, 0},
 | |
| };
 | |
| #endif
 | |
| #ifdef CONFIG_TGP_MUXER
 | |
| AVOutputFormat tgp_muxer = {
 | |
|     "3gp",
 | |
|     NULL_IF_CONFIG_SMALL("3GP format"),
 | |
|     NULL,
 | |
|     "3gp",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AMR_NB,
 | |
|     CODEC_ID_H263,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
 | |
| };
 | |
| #endif
 | |
| #ifdef CONFIG_MP4_MUXER
 | |
| AVOutputFormat mp4_muxer = {
 | |
|     "mp4",
 | |
|     NULL_IF_CONFIG_SMALL("MP4 format"),
 | |
|     "application/mp4",
 | |
|     "mp4",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AAC,
 | |
|     CODEC_ID_MPEG4,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
 | |
| };
 | |
| #endif
 | |
| #ifdef CONFIG_PSP_MUXER
 | |
| AVOutputFormat psp_muxer = {
 | |
|     "psp",
 | |
|     NULL_IF_CONFIG_SMALL("PSP MP4 format"),
 | |
|     NULL,
 | |
|     "mp4,psp",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AAC,
 | |
|     CODEC_ID_MPEG4,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
 | |
| };
 | |
| #endif
 | |
| #ifdef CONFIG_TG2_MUXER
 | |
| AVOutputFormat tg2_muxer = {
 | |
|     "3g2",
 | |
|     NULL_IF_CONFIG_SMALL("3GP2 format"),
 | |
|     NULL,
 | |
|     "3g2",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AMR_NB,
 | |
|     CODEC_ID_H263,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){codec_3gp_tags, 0},
 | |
| };
 | |
| #endif
 | |
| #ifdef CONFIG_IPOD_MUXER
 | |
| AVOutputFormat ipod_muxer = {
 | |
|     "ipod",
 | |
|     NULL_IF_CONFIG_SMALL("iPod H.264 MP4 format"),
 | |
|     "application/mp4",
 | |
|     "m4v,m4a",
 | |
|     sizeof(MOVContext),
 | |
|     CODEC_ID_AAC,
 | |
|     CODEC_ID_H264,
 | |
|     mov_write_header,
 | |
|     mov_write_packet,
 | |
|     mov_write_trailer,
 | |
|     .flags = AVFMT_GLOBALHEADER,
 | |
|     .codec_tag = (const AVCodecTag*[]){ff_mp4_obj_type, 0},
 | |
| };
 | |
| #endif
 |