blob: 10b959ad0232183d200b504ab92f87ce75cf07f9 [file] [log] [blame]
/*
* MOV, 3GP, MP4 muxer
* Copyright (c) 2003 Thomas Raivio
* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include <inttypes.h>
#include "movenc.h"
#include "avformat.h"
#include "avio_internal.h"
#include "riff.h"
#include "avio.h"
#include "isom.h"
#include "avc.h"
#include "libavcodec/ac3_parser.h"
#include "libavcodec/dnxhddata.h"
#include "libavcodec/flac.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/internal.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/vc1_common.h"
#include "libavcodec/raw.h"
#include "internal.h"
#include "libavutil/avstring.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/libm.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h"
#include "libavutil/stereo3d.h"
#include "libavutil/timecode.h"
#include "libavutil/color_utils.h"
#include "hevc.h"
#include "rtpenc.h"
#include "mov_chan.h"
#include "vpcc.h"
static const AVOption options[] = {
{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
{ "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
{ "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
{ "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
{ "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
{ "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
{ "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
};
#define MOV_CLASS(flavor)\
static const AVClass flavor ## _muxer_class = {\
.class_name = #flavor " muxer",\
.item_name = av_default_item_name,\
.option = options,\
.version = LIBAVUTIL_VERSION_INT,\
};
static int get_moov_size(AVFormatContext *s);
static int utf8len(const uint8_t *b)
{
int len = 0;
int val;
while (*b) {
GET_UTF8(val, *b++, return -1;)
len++;
}
return len;
}
//FIXME support 64 bit variant with wide placeholders
static int64_t update_size(AVIOContext *pb, int64_t pos)
{
int64_t curpos = avio_tell(pb);
avio_seek(pb, pos, SEEK_SET);
avio_wb32(pb, curpos - pos); /* rewrite size */
avio_seek(pb, curpos, SEEK_SET);
return curpos - pos;
}
static int co64_required(const MOVTrack *track)
{
if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
return 1;
return 0;
}
/* Chunk offset atom */
static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
{
int i;
int mode64 = co64_required(track); // use 32 bit size variant if possible
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
if (mode64)
ffio_wfourcc(pb, "co64");
else
ffio_wfourcc(pb, "stco");
avio_wb32(pb, 0); /* version & flags */
avio_wb32(pb, track->chunkCount); /* entry count */
for (i = 0; i < track->entry; i++) {
if (!track->cluster[i].chunkNum)
continue;
if (mode64 == 1)
avio_wb64(pb, track->cluster[i].pos + track->data_offset);
else
avio_wb32(pb, track->cluster[i].pos + track->data_offset);
}
return update_size(pb, pos);
}
/* Sample size atom */
static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
{
int equalChunks = 1;
int i, j, entries = 0, tst = -1, oldtst = -1;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "stsz");
avio_wb32(pb, 0); /* version & flags */
for (i = 0; i < track->entry; i++) {
tst = track->cluster[i].size / track->cluster[i].entries;
if (oldtst != -1 && tst != oldtst)
equalChunks = 0;
oldtst = tst;
entries += track->cluster[i].entries;
}
if (equalChunks && track->entry) {
int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
avio_wb32(pb, sSize); // sample size
avio_wb32(pb, entries); // sample count
} else {
avio_wb32(pb, 0); // sample size
avio_wb32(pb, entries); // sample count
for (i = 0; i < track->entry; i++) {
for (j = 0; j < track->cluster[i].entries; j++) {
avio_wb32(pb, track->cluster[i].size /
track->cluster[i].entries);
}
}
}
return update_size(pb, pos);
}
/* Sample to chunk atom */
static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
{
int index = 0, oldval = -1, i;
int64_t entryPos, curpos;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "stsc");
avio_wb32(pb, 0); // version & flags
entryPos = avio_tell(pb);
avio_wb32(pb, track->chunkCount); // entry count
for (i = 0; i < track->entry; i++) {
if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
avio_wb32(pb, 0x1); // sample description index
oldval = track->cluster[i].samples_in_chunk;
index++;
}
}
curpos = avio_tell(pb);
avio_seek(pb, entryPos, SEEK_SET);
avio_wb32(pb, index); // rewrite size
avio_seek(pb, curpos, SEEK_SET);
return update_size(pb, pos);
}
/* Sync sample atom */
static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
{
int64_t curpos, entryPos;
int i, index = 0;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); // size
ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
avio_wb32(pb, 0); // version & flags
entryPos = avio_tell(pb);
avio_wb32(pb, track->entry); // entry count
for (i = 0; i < track->entry; i++) {
if (track->cluster[i].flags & flag) {
avio_wb32(pb, i + 1);
index++;
}
}
curpos = avio_tell(pb);
avio_seek(pb, entryPos, SEEK_SET);
avio_wb32(pb, index); // rewrite size
avio_seek(pb, curpos, SEEK_SET);
return update_size(pb, pos);
}
static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
{
avio_wb32(pb, 0x11); /* size */
if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
else ffio_wfourcc(pb, "damr");
ffio_wfourcc(pb, "FFMP");
avio_w8(pb, 0); /* decoder version */
avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
avio_w8(pb, 0x00); /* Mode change period (no restriction) */
avio_w8(pb, 0x01); /* Frames per sample */
return 0x11;
}
static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
{
GetBitContext gbc;
PutBitContext pbc;
uint8_t buf[3];
int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
if (track->vos_len < 7)
return -1;
avio_wb32(pb, 11);
ffio_wfourcc(pb, "dac3");
init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
fscod = get_bits(&gbc, 2);
frmsizecod = get_bits(&gbc, 6);
bsid = get_bits(&gbc, 5);
bsmod = get_bits(&gbc, 3);
acmod = get_bits(&gbc, 3);
if (acmod == 2) {
skip_bits(&gbc, 2); // dsurmod
} else {
if ((acmod & 1) && acmod != 1)
skip_bits(&gbc, 2); // cmixlev
if (acmod & 4)
skip_bits(&gbc, 2); // surmixlev
}
lfeon = get_bits1(&gbc);
init_put_bits(&pbc, buf, sizeof(buf));
put_bits(&pbc, 2, fscod);
put_bits(&pbc, 5, bsid);
put_bits(&pbc, 3, bsmod);
put_bits(&pbc, 3, acmod);
put_bits(&pbc, 1, lfeon);
put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
put_bits(&pbc, 5, 0); // reserved
flush_put_bits(&pbc);
avio_write(pb, buf, sizeof(buf));
return 11;
}
struct eac3_info {
AVPacket pkt;
uint8_t ec3_done;
uint8_t num_blocks;
/* Layout of the EC3SpecificBox */
/* maximum bitrate */
uint16_t data_rate;
/* number of independent substreams */
uint8_t num_ind_sub;
struct {
/* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
uint8_t fscod;
/* bit stream identification 5 bits */
uint8_t bsid;
/* one bit reserved */
/* audio service mixing (not supported yet) 1 bit */
/* bit stream mode 3 bits */
uint8_t bsmod;
/* audio coding mode 3 bits */
uint8_t acmod;
/* sub woofer on 1 bit */
uint8_t lfeon;
/* 3 bits reserved */
/* number of dependent substreams associated with this substream 4 bits */
uint8_t num_dep_sub;
/* channel locations of the dependent substream(s), if any, 9 bits */
uint16_t chan_loc;
/* if there is no dependent substream, then one bit reserved instead */
} substream[1]; /* TODO: support 8 independent substreams */
};
#if CONFIG_AC3_PARSER
static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
{
GetBitContext gbc;
AC3HeaderInfo tmp, *hdr = &tmp;
struct eac3_info *info;
int num_blocks;
if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
return AVERROR(ENOMEM);
info = track->eac3_priv;
init_get_bits(&gbc, pkt->data, pkt->size * 8);
if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
/* drop the packets until we see a good one */
if (!track->entry) {
av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
return 0;
}
return AVERROR_INVALIDDATA;
}
info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
num_blocks = hdr->num_blocks;
if (!info->ec3_done) {
/* AC-3 substream must be the first one */
if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
return AVERROR(EINVAL);
/* this should always be the case, given that our AC-3 parser
* concatenates dependent frames to their independent parent */
if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
/* substream ids must be incremental */
if (hdr->substreamid > info->num_ind_sub + 1)
return AVERROR(EINVAL);
if (hdr->substreamid == info->num_ind_sub + 1) {
//info->num_ind_sub++;
avpriv_request_sample(track->par, "Multiple independent substreams");
return AVERROR_PATCHWELCOME;
} else if (hdr->substreamid < info->num_ind_sub ||
hdr->substreamid == 0 && info->substream[0].bsid) {
info->ec3_done = 1;
goto concatenate;
}
}
/* fill the info needed for the "dec3" atom */
info->substream[hdr->substreamid].fscod = hdr->sr_code;
info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
info->substream[hdr->substreamid].acmod = hdr->channel_mode;
info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
/* Parse dependent substream(s), if any */
if (pkt->size != hdr->frame_size) {
int cumul_size = hdr->frame_size;
int parent = hdr->substreamid;
while (cumul_size != pkt->size) {
int i;
init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
return AVERROR_INVALIDDATA;
if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
return AVERROR(EINVAL);
cumul_size += hdr->frame_size;
info->substream[parent].num_dep_sub++;
/* header is parsed up to lfeon, but custom channel map may be needed */
/* skip bsid */
skip_bits(&gbc, 5);
/* skip volume control params */
for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
skip_bits(&gbc, 5); // skip dialog normalization
if (get_bits1(&gbc)) {
skip_bits(&gbc, 8); // skip compression gain word
}
}
/* get the dependent stream channel map, if exists */
if (get_bits1(&gbc))
info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
else
info->substream[parent].chan_loc |= hdr->channel_mode;
}
}
}
concatenate:
if (!info->num_blocks && num_blocks == 6)
return pkt->size;
else if (info->num_blocks + num_blocks > 6)
return AVERROR_INVALIDDATA;
if (!info->num_blocks) {
int ret;
if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
return ret;
info->num_blocks = num_blocks;
return 0;
} else {
int ret;
if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
return ret;
memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
info->num_blocks += num_blocks;
info->pkt.duration += pkt->duration;
if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
return ret;
if (info->num_blocks != 6)
return 0;
av_packet_unref(pkt);
if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
return ret;
av_packet_unref(&info->pkt);
info->num_blocks = 0;
}
return pkt->size;
}
#endif
static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
{
PutBitContext pbc;
uint8_t *buf;
struct eac3_info *info;
int size, i;
if (!track->eac3_priv)
return AVERROR(EINVAL);
info = track->eac3_priv;
size = 2 + 4 * (info->num_ind_sub + 1);
buf = av_malloc(size);
if (!buf) {
size = AVERROR(ENOMEM);
goto end;
}
init_put_bits(&pbc, buf, size);
put_bits(&pbc, 13, info->data_rate);
put_bits(&pbc, 3, info->num_ind_sub);
for (i = 0; i <= info->num_ind_sub; i++) {
put_bits(&pbc, 2, info->substream[i].fscod);
put_bits(&pbc, 5, info->substream[i].bsid);
put_bits(&pbc, 1, 0); /* reserved */
put_bits(&pbc, 1, 0); /* asvc */
put_bits(&pbc, 3, info->substream[i].bsmod);
put_bits(&pbc, 3, info->substream[i].acmod);
put_bits(&pbc, 1, info->substream[i].lfeon);
put_bits(&pbc, 5, 0); /* reserved */
put_bits(&pbc, 4, info->substream[i].num_dep_sub);
if (!info->substream[i].num_dep_sub) {
put_bits(&pbc, 1, 0); /* reserved */
size--;
} else {
put_bits(&pbc, 9, info->substream[i].chan_loc);
}
}
flush_put_bits(&pbc);
avio_wb32(pb, size + 8);
ffio_wfourcc(pb, "dec3");
avio_write(pb, buf, size);
av_free(buf);
end:
av_packet_unref(&info->pkt);
av_freep(&track->eac3_priv);
return size;
}
/**
* This function writes extradata "as is".
* Extradata must be formatted like a valid atom (with size and tag).
*/
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
{
avio_write(pb, track->par->extradata, track->par->extradata_size);
return track->par->extradata_size;
}
static int mov_write_enda_tag(AVIOContext *pb)
{
avio_wb32(pb, 10);
ffio_wfourcc(pb, "enda");
avio_wb16(pb, 1); /* little endian */
return 10;
}
static int mov_write_enda_tag_be(AVIOContext *pb)
{
avio_wb32(pb, 10);
ffio_wfourcc(pb, "enda");
avio_wb16(pb, 0); /* big endian */
return 10;
}
static void put_descr(AVIOContext *pb, int tag, unsigned int size)
{
int i = 3;
avio_w8(pb, tag);
for (; i > 0; i--)
avio_w8(pb, (size >> (7 * i)) | 0x80);
avio_w8(pb, size & 0x7F);
}
static unsigned compute_avg_bitrate(MOVTrack *track)
{
uint64_t size = 0;
int i;
if (!track->track_duration)
return 0;
for (i = 0; i < track->entry; i++)
size += track->cluster[i].size;
return size * 8 * track->timescale / track->track_duration;
}
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
{
AVCPBProperties *props;
int64_t pos = avio_tell(pb);
int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
unsigned avg_bitrate;
avio_wb32(pb, 0); // size
ffio_wfourcc(pb, "esds");
avio_wb32(pb, 0); // Version
// ES descriptor
put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
avio_wb16(pb, track->track_id);
avio_w8(pb, 0x00); // flags (= no flags)
// DecoderConfig descriptor
put_descr(pb, 0x04, 13 + decoder_specific_info_len);
// Object type indication
if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
track->par->codec_id == AV_CODEC_ID_MP3) &&
track->par->sample_rate > 24000)
avio_w8(pb, 0x6B); // 11172-3
else
avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
avio_w8(pb, 0x15); // flags (= Audiostream)
else
avio_w8(pb, 0x11); // flags (= Visualstream)
props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
NULL);
avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
avg_bitrate = compute_avg_bitrate(track);
avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
avio_wb32(pb, avg_bitrate);
if (track->vos_len) {
// DecoderSpecific info descriptor
put_descr(pb, 0x05, track->vos_len);
avio_write(pb, track->vos_data, track->vos_len);
}
// SL descriptor
put_descr(pb, 0x06, 1);
avio_w8(pb, 0x02);
return update_size(pb, pos);
}
static int mov_pcm_le_gt16(enum AVCodecID codec_id)
{
return codec_id == AV_CODEC_ID_PCM_S24LE ||
codec_id == AV_CODEC_ID_PCM_S32LE ||
codec_id == AV_CODEC_ID_PCM_F32LE ||
codec_id == AV_CODEC_ID_PCM_F64LE;
}
static int mov_pcm_be_gt16(enum AVCodecID codec_id)
{
return codec_id == AV_CODEC_ID_PCM_S24BE ||
codec_id == AV_CODEC_ID_PCM_S32BE ||
codec_id == AV_CODEC_ID_PCM_F32BE ||
codec_id == AV_CODEC_ID_PCM_F64BE;
}
static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
{
int ret;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
avio_wl32(pb, track->tag); // store it byteswapped
track->par->codec_tag = av_bswap16(track->tag >> 16);
if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
return ret;
return update_size(pb, pos);
}
static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
{
int ret;
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "wfex");
if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
return ret;
return update_size(pb, pos);
}
static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "dfLa");
avio_w8(pb, 0); /* version */
avio_wb24(pb, 0); /* flags */
/* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
return AVERROR_INVALIDDATA;
/* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
avio_wb24(pb, track->par->extradata_size); /* Length */
avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
return update_size(pb, pos);
}
static int mov_write_dops_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "dOps");
avio_w8(pb, 0); /* Version */
if (track->par->extradata_size < 19) {
av_log(pb, AV_LOG_ERROR, "invalid extradata size\n");
return AVERROR_INVALIDDATA;
}
/* extradata contains an Ogg OpusHead, other than byte-ordering and
OpusHead's preceeding magic/version, OpusSpecificBox is currently
identical. */
avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
/* Write the rest of the header out without byte-swapping. */
avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
return update_size(pb, pos);
}
static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
{
uint32_t layout_tag, bitmap;
int64_t pos = avio_tell(pb);
layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
track->par->channel_layout,
&bitmap);
if (!layout_tag) {
av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
"lack of channel information\n");
return 0;
}
if (track->multichannel_as_mono)
return 0;
avio_wb32(pb, 0); // Size
ffio_wfourcc(pb, "chan"); // Type
avio_w8(pb, 0); // Version
avio_wb24(pb, 0); // Flags
avio_wb32(pb, layout_tag); // mChannelLayoutTag
avio_wb32(pb, bitmap); // mChannelBitmap
avio_wb32(pb, 0); // mNumberChannelDescriptions
return update_size(pb, pos);
}
static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "wave");
if (track->par->codec_id != AV_CODEC_ID_QDM2) {
avio_wb32(pb, 12); /* size */
ffio_wfourcc(pb, "frma");
avio_wl32(pb, track->tag);
}
if (track->par->codec_id == AV_CODEC_ID_AAC) {
/* useless atom needed by mplayer, ipod, not needed by quicktime */
avio_wb32(pb, 12); /* size */
ffio_wfourcc(pb, "mp4a");
avio_wb32(pb, 0);
mov_write_esds_tag(pb, track);
} else if (mov_pcm_le_gt16(track->par->codec_id)) {
mov_write_enda_tag(pb);
} else if (mov_pcm_be_gt16(track->par->codec_id)) {
mov_write_enda_tag_be(pb);
} else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
mov_write_amr_tag(pb, track);
} else if (track->par->codec_id == AV_CODEC_ID_AC3) {
mov_write_ac3_tag(pb, track);
} else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
mov_write_eac3_tag(pb, track);
} else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
track->par->codec_id == AV_CODEC_ID_QDM2) {
mov_write_extradata_tag(pb, track);
} else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
mov_write_ms_tag(s, pb, track);
}
avio_wb32(pb, 8); /* size */
avio_wb32(pb, 0); /* null tag */
return update_size(pb, pos);
}
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
{
uint8_t *unescaped;
const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
int unescaped_size, seq_found = 0;
int level = 0, interlace = 0;
int packet_seq = track->vc1_info.packet_seq;
int packet_entry = track->vc1_info.packet_entry;
int slices = track->vc1_info.slices;
PutBitContext pbc;
if (track->start_dts == AV_NOPTS_VALUE) {
/* No packets written yet, vc1_info isn't authoritative yet. */
/* Assume inline sequence and entry headers. */
packet_seq = packet_entry = 1;
av_log(NULL, AV_LOG_WARNING,
"moov atom written before any packets, unable to write correct "
"dvc1 atom. Set the delay_moov flag to fix this.\n");
}
unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
if (!unescaped)
return AVERROR(ENOMEM);
start = find_next_marker(track->vos_data, end);
for (next = start; next < end; start = next) {
GetBitContext gb;
int size;
next = find_next_marker(start + 4, end);
size = next - start - 4;
if (size <= 0)
continue;
unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
init_get_bits(&gb, unescaped, 8 * unescaped_size);
if (AV_RB32(start) == VC1_CODE_SEQHDR) {
int profile = get_bits(&gb, 2);
if (profile != PROFILE_ADVANCED) {
av_free(unescaped);
return AVERROR(ENOSYS);
}
seq_found = 1;
level = get_bits(&gb, 3);
/* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
* width, height */
skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
skip_bits(&gb, 1); /* broadcast */
interlace = get_bits1(&gb);
skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
}
}
if (!seq_found) {
av_free(unescaped);
return AVERROR(ENOSYS);
}
init_put_bits(&pbc, buf, 7);
/* VC1DecSpecStruc */
put_bits(&pbc, 4, 12); /* profile - advanced */
put_bits(&pbc, 3, level);
put_bits(&pbc, 1, 0); /* reserved */
/* VC1AdvDecSpecStruc */
put_bits(&pbc, 3, level);
put_bits(&pbc, 1, 0); /* cbr */
put_bits(&pbc, 6, 0); /* reserved */
put_bits(&pbc, 1, !interlace); /* no interlace */
put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
put_bits(&pbc, 1, !slices); /* no slice code */
put_bits(&pbc, 1, 0); /* no bframe */
put_bits(&pbc, 1, 0); /* reserved */
/* framerate */
if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
else
put_bits32(&pbc, 0xffffffff);
flush_put_bits(&pbc);
av_free(unescaped);
return 0;
}
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
{
uint8_t buf[7] = { 0 };
int ret;
if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
return ret;
avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
ffio_wfourcc(pb, "dvc1");
avio_write(pb, buf, sizeof(buf));
avio_write(pb, track->vos_data, track->vos_len);
return 0;
}
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
{
avio_wb32(pb, track->vos_len + 8);
ffio_wfourcc(pb, "glbl");
avio_write(pb, track->vos_data, track->vos_len);
return 8 + track->vos_len;
}
/**
* Compute flags for 'lpcm' tag.
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
*/
static int mov_get_lpcm_flags(enum AVCodecID codec_id)
{
switch (codec_id) {
case AV_CODEC_ID_PCM_F32BE:
case AV_CODEC_ID_PCM_F64BE:
return 11;
case AV_CODEC_ID_PCM_F32LE:
case AV_CODEC_ID_PCM_F64LE:
return 9;
case AV_CODEC_ID_PCM_U8:
return 10;
case AV_CODEC_ID_PCM_S16BE:
case AV_CODEC_ID_PCM_S24BE:
case AV_CODEC_ID_PCM_S32BE:
return 14;
case AV_CODEC_ID_PCM_S8:
case AV_CODEC_ID_PCM_S16LE:
case AV_CODEC_ID_PCM_S24LE:
case AV_CODEC_ID_PCM_S32LE:
return 12;
default:
return 0;
}
}
static int get_cluster_duration(MOVTrack *track, int cluster_idx)
{
int64_t next_dts;
if (cluster_idx >= track->entry)
return 0;
if (cluster_idx + 1 == track->entry)
next_dts = track->track_duration + track->start_dts;
else
next_dts = track->cluster[cluster_idx + 1].dts;
next_dts -= track->cluster[cluster_idx].dts;
av_assert0(next_dts >= 0);
av_assert0(next_dts <= INT_MAX);
return next_dts;
}
static int get_samples_per_packet(MOVTrack *track)
{
int i, first_duration;
// return track->par->frame_size;
/* use 1 for raw PCM */
if (!track->audio_vbr)
return 1;
/* check to see if duration is constant for all clusters */
if (!track->entry)
return 0;
first_duration = get_cluster_duration(track, 0);
for (i = 1; i < track->entry; i++) {
if (get_cluster_duration(track, i) != first_duration)
return 0;
}
return first_duration;
}
static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
int version = 0;
uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
if (track->timescale > UINT16_MAX) {
if (mov_get_lpcm_flags(track->par->codec_id))
tag = AV_RL32("lpcm");
version = 2;
} else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
mov_pcm_be_gt16(track->par->codec_id) ||
track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
track->par->codec_id == AV_CODEC_ID_QDM2) {
version = 1;
}
}
avio_wb32(pb, 0); /* size */
if (mov->encryption_scheme != MOV_ENC_NONE) {
ffio_wfourcc(pb, "enca");
} else {
avio_wl32(pb, tag); // store it byteswapped
}
avio_wb32(pb, 0); /* Reserved */
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
/* SoundDescription */
avio_wb16(pb, version); /* Version */
avio_wb16(pb, 0); /* Revision level */
avio_wb32(pb, 0); /* Reserved */
if (version == 2) {
avio_wb16(pb, 3);
avio_wb16(pb, 16);
avio_wb16(pb, 0xfffe);
avio_wb16(pb, 0);
avio_wb32(pb, 0x00010000);
avio_wb32(pb, 72);
avio_wb64(pb, av_double2int(track->par->sample_rate));
avio_wb32(pb, track->par->channels);
avio_wb32(pb, 0x7F000000);
avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
avio_wb32(pb, track->sample_size);
avio_wb32(pb, get_samples_per_packet(track));
} else {
if (track->mode == MODE_MOV) {
avio_wb16(pb, track->par->channels);
if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
track->par->codec_id == AV_CODEC_ID_PCM_S8)
avio_wb16(pb, 8); /* bits per sample */
else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
avio_wb16(pb, track->par->bits_per_coded_sample);
else
avio_wb16(pb, 16);
avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
} else { /* reserved for mp4/3gp */
if (track->par->codec_id == AV_CODEC_ID_FLAC ||
track->par->codec_id == AV_CODEC_ID_OPUS) {
avio_wb16(pb, track->par->channels);
} else {
avio_wb16(pb, 2);
}
if (track->par->codec_id == AV_CODEC_ID_FLAC) {
avio_wb16(pb, track->par->bits_per_raw_sample);
} else {
avio_wb16(pb, 16);
}
avio_wb16(pb, 0);
}
avio_wb16(pb, 0); /* packet size (= 0) */
if (track->par->codec_id == AV_CODEC_ID_OPUS)
avio_wb16(pb, 48000);
else
avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
track->par->sample_rate : 0);
avio_wb16(pb, 0); /* Reserved */
}
if (version == 1) { /* SoundDescription V1 extended info */
if (mov_pcm_le_gt16(track->par->codec_id) ||
mov_pcm_be_gt16(track->par->codec_id))
avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
else
avio_wb32(pb, track->par->frame_size); /* Samples per packet */
avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
avio_wb32(pb, track->sample_size); /* Bytes per frame */
avio_wb32(pb, 2); /* Bytes per sample */
}
if (track->mode == MODE_MOV &&
(track->par->codec_id == AV_CODEC_ID_AAC ||
track->par->codec_id == AV_CODEC_ID_AC3 ||
track->par->codec_id == AV_CODEC_ID_EAC3 ||
track->par->codec_id == AV_CODEC_ID_AMR_NB ||
track->par->codec_id == AV_CODEC_ID_ALAC ||
track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
track->par->codec_id == AV_CODEC_ID_QDM2 ||
(mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
(mov_pcm_be_gt16(track->par->codec_id) && version==1)))
mov_write_wave_tag(s, pb, track);
else if (track->tag == MKTAG('m','p','4','a'))
mov_write_esds_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
mov_write_amr_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_AC3)
mov_write_ac3_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_EAC3)
mov_write_eac3_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_ALAC)
mov_write_extradata_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
mov_write_wfex_tag(s, pb, track);
else if (track->par->codec_id == AV_CODEC_ID_FLAC)
mov_write_dfla_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_OPUS)
mov_write_dops_tag(pb, track);
else if (track->vos_len > 0)
mov_write_glbl_tag(pb, track);
if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
mov_write_chan_tag(s, pb, track);
if (mov->encryption_scheme != MOV_ENC_NONE) {
ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
}
return update_size(pb, pos);
}
static int mov_write_d263_tag(AVIOContext *pb)
{
avio_wb32(pb, 0xf); /* size */
ffio_wfourcc(pb, "d263");
ffio_wfourcc(pb, "FFMP");
avio_w8(pb, 0); /* decoder version */
/* FIXME use AVCodecContext level/profile, when encoder will set values */
avio_w8(pb, 0xa); /* level */
avio_w8(pb, 0); /* profile */
return 0xf;
}
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "avcC");
ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
return update_size(pb, pos);
}
static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "vpcC");
avio_w8(pb, 1); /* version */
avio_wb24(pb, 0); /* flags */
ff_isom_write_vpcc(s, pb, track->par);
return update_size(pb, pos);
}
static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0);
ffio_wfourcc(pb, "hvcC");
if (track->tag == MKTAG('h','v','c','1'))
ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
else
ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
return update_size(pb, pos);
}
/* also used by all avid codecs (dv, imx, meridien) and their variants */
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
{
int i;
int interlaced;
int cid;
int display_width = track->par->width;
if (track->vos_data && track->vos_len > 0x29) {
if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
/* looks like a DNxHD bit stream */
interlaced = (track->vos_data[5] & 2);
cid = AV_RB32(track->vos_data + 0x28);
} else {
av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
return 0;
}
} else {
av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
return 0;
}
avio_wb32(pb, 24); /* size */
ffio_wfourcc(pb, "ACLR");
ffio_wfourcc(pb, "ACLR");
ffio_wfourcc(pb, "0001");
if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
} else { /* Full range (0-255) */
avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
}
avio_wb32(pb, 0); /* unknown */
if (track->tag == MKTAG('A','V','d','h')) {
avio_wb32(pb, 32);
ffio_wfourcc(pb, "ADHR");
ffio_wfourcc(pb, "0001");
avio_wb32(pb, cid);
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 1); /* unknown */
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 0); /* unknown */
return 0;
}
avio_wb32(pb, 24); /* size */
ffio_wfourcc(pb, "APRG");
ffio_wfourcc(pb, "APRG");
ffio_wfourcc(pb, "0001");
avio_wb32(pb, 1); /* unknown */
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 120); /* size */
ffio_wfourcc(pb, "ARES");
ffio_wfourcc(pb, "ARES");
ffio_wfourcc(pb, "0001");
avio_wb32(pb, cid); /* dnxhd cid, some id ? */
if ( track->par->sample_aspect_ratio.num > 0
&& track->par->sample_aspect_ratio.den > 0)
display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
avio_wb32(pb, display_width);
/* values below are based on samples created with quicktime and avid codecs */
if (interlaced) {
avio_wb32(pb, track->par->height / 2);
avio_wb32(pb, 2); /* unknown */
avio_wb32(pb, 0); /* unknown */
avio_wb32(pb, 4); /* unknown */
} else {
avio_wb32(pb, track->par->height);
avio_wb32(pb, 1); /* unknown */
avio_wb32(pb, 0); /* unknown */
if (track->par->height == 1080)
avio_wb32(pb, 5); /* unknown */
else
avio_wb32(pb, 6); /* unknown */
}
/* padding */
for (i = 0; i < 10; i++)
avio_wb64(pb, 0);
return 0;
}
static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
{
avio_wb32(pb, 12);
ffio_wfourcc(pb, "DpxE");
if (track->par->extradata_size >= 12 &&
!memcmp(&track->par->extradata[4], "DpxE", 4)) {
avio_wb32(pb, track->par->extradata[11]);
} else {
avio_wb32(pb, 1);
}
return 0;
}
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag;
if (track->par->width == 720) { /* SD */
if (track->par->height == 480) { /* NTSC */
if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
else tag = MKTAG('d','v','c',' ');
}else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
else tag = MKTAG('d','v','p','p');
} else if (track->par->height == 720) { /* HD 720 line */
if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
else tag = MKTAG('d','v','h','p');
} else if (track->par->height == 1080) { /* HD 1080 line */
if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
else tag = MKTAG('d','v','h','6');
} else {
av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
return 0;
}
return tag;
}
static AVRational find_fps(AVFormatContext *s, AVStream *st)
{
AVRational rate = st->avg_frame_rate;
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
rate = av_inv_q(st->codec->time_base);
if (av_timecode_check_frame_rate(rate) < 0) {
av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
rate = st->avg_frame_rate;
}
FF_ENABLE_DEPRECATION_WARNINGS
#endif
return rate;
}
static int defined_frame_rate(AVFormatContext *s, AVStream *st)
{
AVRational rational_framerate = find_fps(s, st);
int rate = 0;
if (rational_framerate.den != 0)
rate = av_q2d(rational_framerate);
return rate;
}
static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = track->par->codec_tag;
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
AVStream *st = track->st;
int rate = defined_frame_rate(s, st);
if (!tag)
tag = MKTAG('m', '2', 'v', '1'); //fallback tag
if (track->par->format == AV_PIX_FMT_YUV420P) {
if (track->par->width == 1280 && track->par->height == 720) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('x','d','v','4');
else if (rate == 25) tag = MKTAG('x','d','v','5');
else if (rate == 30) tag = MKTAG('x','d','v','1');
else if (rate == 50) tag = MKTAG('x','d','v','a');
else if (rate == 60) tag = MKTAG('x','d','v','9');
}
} else if (track->par->width == 1440 && track->par->height == 1080) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('x','d','v','6');
else if (rate == 25) tag = MKTAG('x','d','v','7');
else if (rate == 30) tag = MKTAG('x','d','v','8');
} else {
if (rate == 25) tag = MKTAG('x','d','v','3');
else if (rate == 30) tag = MKTAG('x','d','v','2');
}
} else if (track->par->width == 1920 && track->par->height == 1080) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('x','d','v','d');
else if (rate == 25) tag = MKTAG('x','d','v','e');
else if (rate == 30) tag = MKTAG('x','d','v','f');
} else {
if (rate == 25) tag = MKTAG('x','d','v','c');
else if (rate == 30) tag = MKTAG('x','d','v','b');
}
}
} else if (track->par->format == AV_PIX_FMT_YUV422P) {
if (track->par->width == 1280 && track->par->height == 720) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('x','d','5','4');
else if (rate == 25) tag = MKTAG('x','d','5','5');
else if (rate == 30) tag = MKTAG('x','d','5','1');
else if (rate == 50) tag = MKTAG('x','d','5','a');
else if (rate == 60) tag = MKTAG('x','d','5','9');
}
} else if (track->par->width == 1920 && track->par->height == 1080) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('x','d','5','d');
else if (rate == 25) tag = MKTAG('x','d','5','e');
else if (rate == 30) tag = MKTAG('x','d','5','f');
} else {
if (rate == 25) tag = MKTAG('x','d','5','c');
else if (rate == 30) tag = MKTAG('x','d','5','b');
}
}
}
return tag;
}
static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = track->par->codec_tag;
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
AVStream *st = track->st;
int rate = defined_frame_rate(s, st);
if (!tag)
tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
if (track->par->format == AV_PIX_FMT_YUV420P10) {
if (track->par->width == 960 && track->par->height == 720) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('a','i','5','p');
else if (rate == 25) tag = MKTAG('a','i','5','q');
else if (rate == 30) tag = MKTAG('a','i','5','p');
else if (rate == 50) tag = MKTAG('a','i','5','q');
else if (rate == 60) tag = MKTAG('a','i','5','p');
}
} else if (track->par->width == 1440 && track->par->height == 1080) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('a','i','5','3');
else if (rate == 25) tag = MKTAG('a','i','5','2');
else if (rate == 30) tag = MKTAG('a','i','5','3');
} else {
if (rate == 50) tag = MKTAG('a','i','5','5');
else if (rate == 60) tag = MKTAG('a','i','5','6');
}
}
} else if (track->par->format == AV_PIX_FMT_YUV422P10) {
if (track->par->width == 1280 && track->par->height == 720) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('a','i','1','p');
else if (rate == 25) tag = MKTAG('a','i','1','q');
else if (rate == 30) tag = MKTAG('a','i','1','p');
else if (rate == 50) tag = MKTAG('a','i','1','q');
else if (rate == 60) tag = MKTAG('a','i','1','p');
}
} else if (track->par->width == 1920 && track->par->height == 1080) {
if (!interlaced) {
if (rate == 24) tag = MKTAG('a','i','1','3');
else if (rate == 25) tag = MKTAG('a','i','1','2');
else if (rate == 30) tag = MKTAG('a','i','1','3');
} else {
if (rate == 25) tag = MKTAG('a','i','1','5');
else if (rate == 50) tag = MKTAG('a','i','1','5');
else if (rate == 60) tag = MKTAG('a','i','1','6');
}
} else if ( track->par->width == 4096 && track->par->height == 2160
|| track->par->width == 3840 && track->par->height == 2160
|| track->par->width == 2048 && track->par->height == 1080) {
tag = MKTAG('a','i','v','x');
}
}
return tag;
}
static const struct {
enum AVPixelFormat pix_fmt;
uint32_t tag;
unsigned bps;
} mov_pix_fmt_tags[] = {
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
{ AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
{ AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
{ AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
{ AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
{ AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
{ AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
{ AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
{ AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
{ AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
{ AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
{ AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
{ AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
{ AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
};
static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = MKTAG('A','V','d','n');
if (track->par->profile != FF_PROFILE_UNKNOWN &&
track->par->profile != FF_PROFILE_DNXHD)
tag = MKTAG('A','V','d','h');
return tag;
}
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = track->par->codec_tag;
int i;
enum AVPixelFormat pix_fmt;
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
tag = mov_pix_fmt_tags[i].tag;
track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
break;
}
}
pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
track->par->bits_per_coded_sample);
if (tag == MKTAG('r','a','w',' ') &&
track->par->format != pix_fmt &&
track->par->format != AV_PIX_FMT_GRAY8 &&
track->par->format != AV_PIX_FMT_NONE)
av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
av_get_pix_fmt_name(track->par->format));
return tag;
}
static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag = track->par->codec_tag;
if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
(track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
track->par->codec_id == AV_CODEC_ID_H263 ||
track->par->codec_id == AV_CODEC_ID_H264 ||
track->par->codec_id == AV_CODEC_ID_DNXHD ||
track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
tag = mov_get_dv_codec_tag(s, track);
else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
tag = mov_get_rawvideo_codec_tag(s, track);
else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
else if (track->par->codec_id == AV_CODEC_ID_H264)
tag = mov_get_h264_codec_tag(s, track);
else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
tag = mov_get_dnxhd_codec_tag(s, track);
else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
if (!tag) { // if no mac fcc found, try with Microsoft tags
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
if (tag)
av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
"the file may be unplayable!\n");
}
} else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
if (!tag) { // if no mac fcc found, try with Microsoft tags
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
if (ms_tag) {
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
"the file may be unplayable!\n");
}
}
} else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
}
return tag;
}
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag;
if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
tag = track->par->codec_tag;
else if (track->mode == MODE_ISM)
tag = track->par->codec_tag;
else if (track->mode == MODE_IPOD) {
if (!av_match_ext(s->filename, "m4a") &&
!av_match_ext(s->filename, "m4v") &&
!av_match_ext(s->filename, "m4b"))
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
"Quicktime/Ipod might not play the file\n");
tag = track->par->codec_tag;
} else if (track->mode & MODE_3GP)
tag = track->par->codec_tag;
else if (track->mode == MODE_F4V)
tag = track->par->codec_tag;
else
tag = mov_get_codec_tag(s, track);
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(AVIOContext *pb)
{
avio_wb32(pb, 28);
ffio_wfourcc(pb, "uuid");
avio_wb32(pb, 0x6b6840f2);
avio_wb32(pb, 0x5f244fc5);
avio_wb32(pb, 0xba39a51b);
avio_wb32(pb, 0xcf0323f3);
avio_wb32(pb, 0x0);
return 28;
}
static const uint16_t fiel_data[] = {
0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
};
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
{
unsigned mov_field_order = 0;
if (field_order < FF_ARRAY_ELEMS(fiel_data))
mov_field_order = fiel_data[field_order];
else
return 0;
avio_wb32(pb, 10);
ffio_wfourcc(pb, "fiel");
avio_wb16(pb, mov_field_order);
return 10;
}
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
avio_wl32(pb, track->tag); // store it byteswapped
avio_wb32(pb, 0); /* Reserved */
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index */
if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
mov_write_esds_tag(pb, track);
else if (track->par->extradata_size)
avio_write(pb, track->par->extradata, track->par->extradata_size);
return update_size(pb, pos);
}
static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
{
int8_t stereo_mode;
if (stereo_3d->flags != 0) {
av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
return 0;
}
switch (stereo_3d->type) {
case AV_STEREO3D_2D:
stereo_mode = 0;
break;
case AV_STEREO3D_TOPBOTTOM:
stereo_mode = 1;
break;
case AV_STEREO3D_SIDEBYSIDE:
stereo_mode = 2;
break;
default:
av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
return 0;
}
avio_wb32(pb, 13); /* size */
ffio_wfourcc(pb, "st3d");
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
avio_w8(pb, stereo_mode);
return 13;
}
static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
{
int64_t sv3d_pos, svhd_pos, proj_pos;
const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
return 0;
}
sv3d_pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "sv3d");
svhd_pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "svhd");
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
avio_put_str(pb, metadata_source);
update_size(pb, svhd_pos);
proj_pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "proj");
avio_wb32(pb, 24); /* size */
ffio_wfourcc(pb, "prhd");
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
avio_wb32(pb, spherical_mapping->yaw);
avio_wb32(pb, spherical_mapping->pitch);
avio_wb32(pb, spherical_mapping->roll);
switch (spherical_mapping->projection) {
case AV_SPHERICAL_EQUIRECTANGULAR:
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
avio_wb32(pb, 28); /* size */
ffio_wfourcc(pb, "equi");
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
avio_wb32(pb, spherical_mapping->bound_top);
avio_wb32(pb, spherical_mapping->bound_bottom);
avio_wb32(pb, spherical_mapping->bound_left);
avio_wb32(pb, spherical_mapping->bound_right);
break;
case AV_SPHERICAL_CUBEMAP:
avio_wb32(pb, 20); /* size */
ffio_wfourcc(pb, "cbmp");
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
avio_wb32(pb, 0); /* layout */
avio_wb32(pb, spherical_mapping->padding); /* padding */
break;
}
update_size(pb, proj_pos);
return update_size(pb, sv3d_pos);
}
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
{
AVRational sar;
av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
track->par->sample_aspect_ratio.den, INT_MAX);
avio_wb32(pb, 16);
ffio_wfourcc(pb, "pasp");
avio_wb32(pb, sar.num);
avio_wb32(pb, sar.den);
return 16;
}
static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
{
uint32_t gama = 0;
if (gamma <= 0.0)
{
gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
}
av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
if (gamma > 1e-6) {
gama = (uint32_t)lrint((double)(1<<16) * gamma);
av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
av_assert0(track->mode == MODE_MOV);
avio_wb32(pb, 12);
ffio_wfourcc(pb, "gama");
avio_wb32(pb, gama);
return 12;
}
else {
av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
}
return 0;
}
static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
{
// Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
// Ref (MP4): ISO/IEC 14496-12:2012
if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
if ((track->par->width >= 1920 && track->par->height >= 1080)
|| (track->par->width == 1280 && track->par->height == 720)) {
av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
track->par->color_primaries = AVCOL_PRI_BT709;
} else if (track->par->width == 720 && track->height == 576) {
av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
track->par->color_primaries = AVCOL_PRI_BT470BG;
} else if (track->par->width == 720 &&
(track->height == 486 || track->height == 480)) {
av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
track->par->color_primaries = AVCOL_PRI_SMPTE170M;
} else {
av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
}
switch (track->par->color_primaries) {
case AVCOL_PRI_BT709:
track->par->color_trc = AVCOL_TRC_BT709;
track->par->color_space = AVCOL_SPC_BT709;
break;
case AVCOL_PRI_SMPTE170M:
case AVCOL_PRI_BT470BG:
track->par->color_trc = AVCOL_TRC_BT709;
track->par->color_space = AVCOL_SPC_SMPTE170M;
break;
}
}
/* We should only ever be called by MOV or MP4. */
av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
avio_wb32(pb, 18 + (track->mode == MODE_MP4));
ffio_wfourcc(pb, "colr");
if (track->mode == MODE_MP4)
ffio_wfourcc(pb, "nclx");
else
ffio_wfourcc(pb, "nclc");
switch (track->par->color_primaries) {
case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
case AVCOL_PRI_SMPTE170M:
case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
default: avio_wb16(pb, 2);
}
switch (track->par->color_trc) {
case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
default: avio_wb16(pb, 2);
}
switch (track->par->color_space) {
case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
case AVCOL_SPC_BT470BG:
case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
default: avio_wb16(pb, 2);
}
if (track->mode == MODE_MP4) {
int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
avio_w8(pb, full_range << 7);
return 19;
} else {
return 18;
}
}
static void find_compressor(char * compressor_name, int len, MOVTrack *track)
{
AVDictionaryEntry *encoder;
int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
|| (track->par->width == 1440 && track->par->height == 1080)
|| (track->par->width == 1920 && track->par->height == 1080);
if (track->mode == MODE_MOV &&
(encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
av_strlcpy(compressor_name, encoder->value, 32);
} else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
AVStream *st = track->st;
int rate = defined_frame_rate(NULL, st);
av_strlcatf(compressor_name, len, "XDCAM");
if (track->par->format == AV_PIX_FMT_YUV422P) {
av_strlcatf(compressor_name, len, " HD422");
} else if(track->par->width == 1440) {
av_strlcatf(compressor_name, len, " HD");
} else
av_strlcatf(compressor_name, len, " EX");
av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
}
}
static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
char compressor_name[32] = { 0 };
int avid = 0;
avio_wb32(pb, 0); /* size */
if (mov->encryption_scheme != MOV_ENC_NONE) {
ffio_wfourcc(pb, "encv");
} else {
avio_wl32(pb, track->tag); // store it byteswapped
}
avio_wb32(pb, 0); /* Reserved */
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index */
avio_wb16(pb, 0); /* Codec stream version */
avio_wb16(pb, 0); /* Codec stream revision (=0) */
if (track->mode == MODE_MOV) {
ffio_wfourcc(pb, "FFMP"); /* Vendor */
if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
avio_wb32(pb, 0); /* Temporal Quality */
avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
} else {
avio_wb32(pb, 0x200); /* Temporal Quality = normal */
avio_wb32(pb, 0x200); /* Spatial Quality = normal */
}
} else {
avio_wb32(pb, 0); /* Reserved */
avio_wb32(pb, 0); /* Reserved */
avio_wb32(pb, 0); /* Reserved */
}
avio_wb16(pb, track->par->width); /* Video width */
avio_wb16(pb, track->height); /* Video height */
avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
avio_wb32(pb, 0); /* Data size (= 0) */
avio_wb16(pb, 1); /* Frame count (= 1) */
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
find_compressor(compressor_name, 32, track);
avio_w8(pb, strlen(compressor_name));
avio_write(pb, compressor_name, 31);
if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
avio_wb16(pb, track->par->bits_per_coded_sample |
(track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
else
avio_wb16(pb, 0x18); /* Reserved */
if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
int pal_size = 1 << track->par->bits_per_coded_sample;
int i;
avio_wb16(pb, 0); /* Color table ID */
avio_wb32(pb, 0); /* Color table seed */
avio_wb16(pb, 0x8000); /* Color table flags */
avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
for (i = 0; i < pal_size; i++) {
uint32_t rgb = track->palette[i];
uint16_t r = (rgb >> 16) & 0xff;
uint16_t g = (rgb >> 8) & 0xff;
uint16_t b = rgb & 0xff;
avio_wb16(pb, 0);
avio_wb16(pb, (r << 8) | r);
avio_wb16(pb, (g << 8) | g);
avio_wb16(pb, (b << 8) | b);
}
} else
avio_wb16(pb, 0xffff); /* Reserved */
if (track->tag == MKTAG('m','p','4','v'))
mov_write_esds_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_H263)
mov_write_d263_tag(pb);
else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
track->par->codec_id == AV_CODEC_ID_SVQ3) {
mov_write_extradata_tag(pb, track);
avio_wb32(pb, 0);
} else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
mov_write_avid_tag(pb, track);
avid = 1;
} else if (track->par->codec_id == AV_CODEC_ID_HEVC)
mov_write_hvcc_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
mov_write_avcc_tag(pb, track);
if (track->mode == MODE_IPOD)
mov_write_uuid_tag_ipod(pb);
} else if (track->par->codec_id == AV_CODEC_ID_VP9) {
mov_write_vpcc_tag(mov->fc, pb, track);
} else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
mov_write_dvc1_tag(pb, track);
else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
track->par->codec_id == AV_CODEC_ID_VP6A) {
/* Don't write any potential extradata here - the cropping
* is signalled via the normal width/height fields. */
} else if (track->par->codec_id == AV_CODEC_ID_R10K) {
if (track->par->codec_tag == MKTAG('R','1','0','k'))
mov_write_dpxe_tag(pb, track);
} else if (track->vos_len > 0)
mov_write_glbl_tag(pb, track);
if (track->par->codec_id != AV_CODEC_ID_H264 &&
track->par->codec_id != AV_CODEC_ID_MPEG4 &&
track->par->codec_id != AV_CODEC_ID_DNXHD) {
int field_order = track->par->field_order;
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
field_order = track->st->codec->field_order;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
if (field_order != AV_FIELD_UNKNOWN)
mov_write_fiel_tag(pb, track, field_order);
}
if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
if (track->mode == MODE_MOV)
mov_write_gama_tag(pb, track, mov->gamma);
else
av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
}
if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
if (track->mode == MODE_MOV || track->mode == MODE_MP4)
mov_write_colr_tag(pb, track);
else
av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
}
if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
if (stereo_3d)
mov_write_st3d_tag(pb, stereo_3d);
if (spherical_mapping)
mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
}
if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
mov_write_pasp_tag(pb, track);
}
if (mov->encryption_scheme != MOV_ENC_NONE) {
ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
}
/* extra padding for avid stsd */
/* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
if (avid)
avio_wb32(pb, 0);
return update_size(pb, pos);
}
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "rtp ");
avio_wb32(pb, 0); /* Reserved */
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index */
avio_wb16(pb, 1); /* Hint track version */
avio_wb16(pb, 1); /* Highest compatible version */
avio_wb32(pb, track->max_packet_size); /* Max packet size */
avio_wb32(pb, 12); /* size */
ffio_wfourcc(pb, "tims");
avio_wb32(pb, track->timescale);
return update_size(pb, pos);
}
static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
{
uint64_t str_size =strlen(reel_name);
int64_t pos = avio_tell(pb);
if (str_size >= UINT16_MAX){
av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
avio_wb16(pb, 0);
return AVERROR(EINVAL);
}
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "name"); /* Data format */
avio_wb16(pb, str_size); /* string size */
avio_wb16(pb, track->language); /* langcode */
avio_write(pb, reel_name, str_size); /* reel name */
return update_size(pb,pos);
}
static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
#if 1
int frame_duration;
int nb_frames;
AVDictionaryEntry *t = NULL;
if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
#if FF_API_LAVF_AVCTX
FF_DISABLE_DEPRECATION_WARNINGS
frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
FF_ENABLE_DEPRECATION_WARNINGS
#else
av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
return AVERROR(EINVAL);
#endif
} else {
frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
}
if (nb_frames > 255) {
av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
return AVERROR(EINVAL);
}
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "tmcd"); /* Data format */
avio_wb32(pb, 0); /* Reserved */
avio_wb32(pb, 1); /* Data reference index */
avio_wb32(pb, 0); /* Flags */
avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
avio_wb32(pb, track->timescale); /* Timescale */
avio_wb32(pb, frame_duration); /* Frame duration */
avio_w8(pb, nb_frames); /* Number of frames */
avio_w8(pb, 0); /* Reserved */
t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
if (t && utf8len(t->value) && track->mode != MODE_MP4)
mov_write_source_reference_tag(pb, track, t->value);
else
avio_wb16(pb, 0); /* zero size */
#else
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "tmcd"); /* Data format */
avio_wb32(pb, 0); /* Reserved */
avio_wb32(pb, 1); /* Data reference index */
if (track->par->extradata_size)
avio_write(pb, track->par->extradata, track->par->extradata_size);
#endif
return update_size(pb, pos);
}
static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "gpmd");
avio_wb32(pb, 0); /* Reserved */
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index */
avio_wb32(pb, 0); /* Reserved */
return update_size(pb, pos);
}
static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "stsd");
avio_wb32(pb, 0); /* version & flags */
avio_wb32(pb, 1); /* entry count */
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
mov_write_video_tag(pb, mov, track);
else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
mov_write_audio_tag(s, pb, mov, track);
else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
mov_write_subtitle_tag(pb, track);
else if (track->par->codec_tag == MKTAG('r','t','p',' '))
mov_write_rtp_tag(pb, track);
else if (track->par->codec_tag == MKTAG('t','m','c','d'))
mov_write_tmcd_tag(pb, track);
else if (track->par->codec_tag == MKTAG('g','p','m','d'))
mov_write_gpmd_tag(pb, track);
return update_size(pb, pos);
}
static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
{
MOVStts *ctts_entries;
uint32_t entries = 0;
uint32_t atom_size;
int i;
ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
if (!ctts_entries)
return AVERROR(ENOMEM);
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);
avio_wb32(pb, atom_size); /* size */
ffio_wfourcc(pb, "ctts");
avio_wb32(pb, 0); /* version & flags */
avio_wb32(pb, entries); /* entry count */
for (i = 0; i < entries; i++) {
avio_wb32(pb, ctts_entries[i].count);
avio_wb32(pb, ctts_entries[i].duration);
}
av_free(ctts_entries);
return atom_size;
}
/* Time to sample atom */
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
{
MOVStts *stts_entries = NULL;
uint32_t entries = -1;
uint32_t atom_size;
int i;
if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
if (!stts_entries)
return AVERROR(ENOMEM);
stts_entries[0].count = track->sample_count;
stts_entries[0].duration = 1;
entries = 1;
} else {
if (track->entry) {
stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
if (!stts_entries)
return AVERROR(ENOMEM);
}
for (i = 0; i < track->entry; i++) {
int duration = get_cluster_duration(track, i);
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);
avio_wb32(pb, atom_size); /* size */
ffio_wfourcc(pb, "stts");
avio_wb32(pb, 0); /* version & flags */
avio_wb32(pb, entries); /* entry count */
for (i = 0; i < entries; i++) {
avio_wb32(pb, stts_entries[i].count);
avio_wb32(pb, stts_entries[i].duration);
}
av_free(stts_entries);
return atom_size;
}
static int mov_write_dref_tag(AVIOContext *pb)
{
avio_wb32(pb, 28); /* size */
ffio_wfourcc(pb, "dref");
avio_wb32(pb, 0); /* version & flags */
avio_wb32(pb, 1); /* entry count */
avio_wb32(pb, 0xc); /* size */
//FIXME add the alis and rsrc atom
ffio_wfourcc(pb, "url ");
avio_wb32(pb, 1); /* version & flags */
return 28;
}
static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
{
struct sgpd_entry {
int count;
int16_t roll_distance;
int group_description_index;
};
struct sgpd_entry *sgpd_entries = NULL;
int entries = -1;
int group = 0;
int i, j;
const int OPUS_SEEK_PREROLL_MS = 80;
int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
(AVRational){1, 1000},
(AVRational){1, 48000});
if (!track->entry)
return 0;
sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
if (!sgpd_entries)
return AVERROR(ENOMEM);
av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
if (track->par->codec_id == AV_CODEC_ID_OPUS) {
for (i = 0; i < track->entry; i++) {
int roll_samples_remaining = roll_samples;
int distance = 0;
for (j = i - 1; j >= 0; j--) {
roll_samples_remaining -= get_cluster_duration(track, j);
distance++;
if (roll_samples_remaining <= 0)
break;
}
/* We don't have enough preceeding samples to compute a valid
roll_distance here, so this sample can't be independently
decoded. */
if (roll_samples_remaining > 0)
distance = 0;
/* Verify distance is a minimum of 2 (60ms) packets and a maximum of
32 (2.5ms) packets. */
av_assert0(distance == 0 || (distance >= 2 && distance <= 32));
if (i && distance == sgpd_entries[entries].roll_distance) {
sgpd_entries[entri