* 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 Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avc.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
+#include "libavcodec/vc1.h"
#include "internal.h"
#include "libavutil/avstring.h"
#include "libavutil/intfloat.h"
static const AVOption options[] = {
{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = 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, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
{ "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.dbl = 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, {.dbl = 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, {.dbl = 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, {.dbl = 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, {.dbl = FF_MOV_FLAG_ISML}, 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_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
+ FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags)
+ { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
+ { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.dbl = 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, {.dbl = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
} else
ffio_wfourcc(pb, "stco");
avio_wb32(pb, 0); /* version & flags */
- avio_wb32(pb, track->entry); /* entry count */
+ 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);
+ avio_wb64(pb, track->cluster[i].pos + track->data_offset);
else
- avio_wb32(pb, track->cluster[i].pos);
+ avio_wb32(pb, track->cluster[i].pos + track->data_offset);
}
return update_size(pb, pos);
}
ffio_wfourcc(pb, "stsc");
avio_wb32(pb, 0); // version & flags
entryPos = avio_tell(pb);
- avio_wb32(pb, track->entry); // entry count
+ avio_wb32(pb, track->chunkCount); // entry count
for (i=0; i<track->entry; i++) {
- if (oldval != track->cluster[i].samples_in_chunk)
+ if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
{
- avio_wb32(pb, i+1); // first chunk
+ 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;
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
{
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_w8(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits)
avio_wb16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB
- avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
- if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0)
- avio_wb32(pb, 0); // vbr
- else
- avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
+ avg_bitrate = compute_avg_bitrate(track);
+ // maxbitrate (FIXME should be max rate in any 1 sec window)
+ avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
+ avio_wb32(pb, avg_bitrate);
if (track->vos_len) {
// DecoderSpecific info descriptor
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. This will be
+ * overwritten at the end if the file is seekable. */
+ packet_seq = packet_entry = 1;
+ }
+
+ unescaped = av_mallocz(track->vos_len + FF_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 */
+ put_bits32(&pbc, track->enc->time_base.den); /* framerate */
+ 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");
+ track->vc1_info.struct_offset = avio_tell(pb);
+ 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);
}
}
+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;
+
+ return next_dts - track->cluster[cluster_idx].dts;
+}
+
+static int get_samples_per_packet(MOVTrack *track)
+{
+ int i, first_duration;
+
+// return track->enc->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(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
uint32_t tag = track->tag;
if (track->mode == MODE_MOV) {
- if (mov_get_lpcm_flags(track->enc->codec_id))
- tag = AV_RL32("lpcm");
- version = 2;
+ if (track->timescale > UINT16_MAX) {
+ if (mov_get_lpcm_flags(track->enc->codec_id))
+ tag = AV_RL32("lpcm");
+ version = 2;
+ } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
+ track->enc->codec_id == CODEC_ID_ADPCM_MS ||
+ track->enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ version = 1;
+ }
}
avio_wb32(pb, 0); /* size */
avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
avio_wb32(pb, track->sample_size);
- avio_wb32(pb, track->audio_vbr ? track->enc->frame_size : 1);
+ avio_wb32(pb, get_samples_per_packet(track));
} else {
- /* reserved for mp4/3gp */
- avio_wb16(pb, 2);
- avio_wb16(pb, 16);
- avio_wb16(pb, 0);
+ if (track->mode == MODE_MOV) {
+ avio_wb16(pb, track->enc->channels);
+ if (track->enc->codec_id == CODEC_ID_PCM_U8 ||
+ track->enc->codec_id == CODEC_ID_PCM_S8)
+ avio_wb16(pb, 8); /* bits per sample */
+ else
+ avio_wb16(pb, 16);
+ avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
+ } else { /* reserved for mp4/3gp */
+ avio_wb16(pb, 2);
+ avio_wb16(pb, 16);
+ avio_wb16(pb, 0);
+ }
avio_wb16(pb, 0); /* packet size (= 0) */
avio_wb16(pb, track->enc->sample_rate);
avio_wb16(pb, 0); /* Reserved */
}
+ if(version == 1) { /* SoundDescription V1 extended info */
+ avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
+ avio_wb32(pb, track->sample_size / track->enc->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->enc->codec_id == CODEC_ID_AAC ||
track->enc->codec_id == CODEC_ID_AC3 ||
else if (track->enc->codec_id == CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
else if (track->enc->codec_id == CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
else if (track->enc->codec_id == CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
+ else if (track->enc->codec_id == CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
else if (track->enc->codec_id == CODEC_ID_RAWVIDEO)
tag = mov_get_rawvideo_codec_tag(s, track);
else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
- tag = ff_codec_get_tag(codec_movvideo_tags, track->enc->codec_id);
+ tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
if (!tag) { // if no mac fcc found, try with Microsoft tags
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
if (tag)
"the file may be unplayable!\n");
}
} else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
- tag = ff_codec_get_tag(codec_movaudio_tags, track->enc->codec_id);
+ tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->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->enc->codec_id);
if (ms_tag) {
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
- char compressor_name[32];
+ char compressor_name[32] = { 0 };
avio_wb32(pb, 0); /* size */
avio_wl32(pb, track->tag); // store it byteswapped
avio_wb32(pb, 0); /* Data size (= 0) */
avio_wb16(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)
av_strlcpy(compressor_name,track->enc->codec->name,32);
mov_write_uuid_tag_ipod(pb);
} else if (track->enc->field_order != AV_FIELD_UNKNOWN)
mov_write_fiel_tag(pb, track);
+ else if (track->enc->codec_id == CODEC_ID_VC1 && track->vos_len > 0)
+ mov_write_dvc1_tag(pb, track);
else if (track->vos_len > 0)
mov_write_glbl_tag(pb, track);
av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
NULL;
for (i=0; i<track->entry; i++) {
- int64_t duration = i + 1 == track->entry ?
- track->track_duration - track->cluster[i].dts + track->start_dts : /* readjusting */
- track->cluster[i+1].dts - track->cluster[i].dts;
+ int duration = get_cluster_duration(track, i);
if (i && duration == stts_entries[entries].duration) {
stts_entries[entries].count++; /* compress */
} else {
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 */
} else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
hdlr_type = "hint";
descr = "HintHandler";
+ } else {
+ hdlr = "dhlr";
+ hdlr_type = "url ";
+ descr = "DataHandler";
}
}
{
int version = track->track_duration < INT32_MAX ? 0 : 1;
+ if (track->mode == MODE_ISM)
+ version = 1;
+
(version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
ffio_wfourcc(pb, "mdhd");
avio_w8(pb, version);
avio_wb32(pb, track->time); /* modification time */
}
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
- (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
+ if (!track->entry)
+ (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
+ else
+ (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
avio_wb16(pb, track->language); /* language */
avio_wb16(pb, 0); /* reserved (quality) */
track->timescale, AV_ROUND_UP);
int version = duration < INT32_MAX ? 0 : 1;
+ if (track->mode == MODE_ISM)
+ version = 1;
+
(version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
ffio_wfourcc(pb, "tkhd");
avio_w8(pb, version);
}
avio_wb32(pb, track->track_id); /* track-id */
avio_wb32(pb, 0); /* reserved */
- (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
+ if (!track->entry)
+ (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
+ else
+ (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
avio_wb32(pb, 0); /* reserved */
avio_wb32(pb, 0); /* reserved */
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "trak");
mov_write_tkhd_tag(pb, track, st);
- if (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
- (track->entry && track->cluster[0].dts)) {
- if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
- mov_write_edts_tag(pb, track); // PSP Movies require edts box
- }
+ if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) // EDTS with fragments is tricky as we dont know the duration when its written
+ mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
if (track->tref_tag)
mov_write_tref_tag(pb, track);
mov_write_mdia_tag(pb, track);
mov_write_udta_sdp(pb, track->rtp_ctx, track->track_id);
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
- if (0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)
+ if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
mov_write_tapt_tag(pb, track);
};
return update_size(pb, pos);
if(ret < 0)
return ret;
- if (mov->mode & MODE_3GP) {
- mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
- mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
- mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
- mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
- mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
- mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
- mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
- mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
- } 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_metadata(s, pb_buf, "\251ART", "artist" , 0);
- mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
- mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
- mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
- mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
- mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
- mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
- mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
- mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
- } else {
- /* iTunes meta data */
- mov_write_meta_tag(pb_buf, mov, s);
- }
+ if (mov->mode & MODE_3GP) {
+ mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
+ mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
+ mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
+ mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
+ mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
+ mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
+ mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
+ mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
+ } 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_metadata(s, pb_buf, "\251ART", "artist" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
+ } else {
+ /* iTunes meta data */
+ mov_write_meta_tag(pb_buf, mov, s);
+ }
- if (s->nb_chapters)
- mov_write_chpl_tag(pb_buf, s);
+ if (s->nb_chapters)
+ mov_write_chpl_tag(pb_buf, s);
if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
avio_wb32(pb, size+8);
return 0;
}
+static void build_chunks(MOVTrack *trk)
+{
+ int i;
+ MOVIentry *chunk= &trk->cluster[0];
+ uint64_t chunkSize = chunk->size;
+ chunk->chunkNum= 1;
+ if (trk->chunkCount)
+ return;
+ trk->chunkCount= 1;
+ for(i=1; i<trk->entry; i++){
+ if(chunk->pos + chunkSize == trk->cluster[i].pos &&
+ chunkSize + trk->cluster[i].size < (1<<20)){
+ chunkSize += trk->cluster[i].size;
+ chunk->samples_in_chunk += trk->cluster[i].entries;
+ }else{
+ trk->cluster[i].chunkNum = chunk->chunkNum+1;
+ chunk=&trk->cluster[i];
+ chunkSize = chunk->size;
+ trk->chunkCount++;
+ }
+ }
+}
+
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
mov->tracks[i].time = mov->time;
mov->tracks[i].track_id = i+1;
+
+ if (mov->tracks[i].entry)
+ build_chunks(&mov->tracks[i]);
}
if (mov->chapter_track)
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
}
-static void write_h264_extradata(AVIOContext *pb, AVCodecContext *enc)
-{
- uint16_t sps_size, pps_size, len;
- char buf[150];
- sps_size = AV_RB16(&enc->extradata[6]);
- if (11 + sps_size > enc->extradata_size)
- return;
- pps_size = AV_RB16(&enc->extradata[9 + sps_size]);
- if (11 + sps_size + pps_size > enc->extradata_size)
- return;
- len = FFMIN(sizeof(buf)/2 - 1, sps_size);
- ff_data_to_hex(buf, &enc->extradata[8], len, 0);
- buf[2*len] = '\0';
- avio_printf(pb, "<param name=\"CodecPrivateData\" value=\"00000001%s", buf);
- len = FFMIN(sizeof(buf)/2 - 1, pps_size);
- ff_data_to_hex(buf, &enc->extradata[11 + sps_size], len, 0);
- buf[2*len] = '\0';
- avio_printf(pb, "00000001%s\" valuetype=\"data\"/>\n", buf);
-}
-
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
{
int64_t pos = avio_tell(pb);
param_write_int(pb, "systemBitrate", track->enc->bit_rate);
param_write_int(pb, "trackID", track_id);
if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (track->enc->codec_id == CODEC_ID_H264 &&
- track->enc->extradata_size >= 11 &&
- track->enc->extradata[0] == 1) {
- write_h264_extradata(pb, track->enc);
- } else {
- param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
- track->enc->extradata_size);
- }
if (track->enc->codec_id == CODEC_ID_H264) {
+ uint8_t *ptr;
+ int size = track->enc->extradata_size;
+ if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
+ &size)) {
+ param_write_hex(pb, "CodecPrivateData",
+ ptr ? ptr : track->enc->extradata,
+ size);
+ av_free(ptr);
+ }
param_write_string(pb, "FourCC", "H264");
} else if (track->enc->codec_id == CODEC_ID_VC1) {
param_write_string(pb, "FourCC", "WVC1");
+ param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
+ track->enc->extradata_size);
}
param_write_int(pb, "MaxWidth", track->enc->width);
param_write_int(pb, "MaxHeight", track->enc->height);
int64_t moof_offset)
{
int64_t pos = avio_tell(pb);
- /* default-sample-size + default-sample-duration + base-data-offset */
- uint32_t flags = 0x19;
+ uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
+ MOV_TFHD_BASE_DATA_OFFSET;
if (!track->entry) {
- flags |= 0x010000; /* duration-is-empty */
+ flags |= MOV_TFHD_DURATION_IS_EMPTY;
} else {
- flags |= 0x20; /* default-sample-flags-present */
+ flags |= MOV_TFHD_DEFAULT_FLAGS;
}
- /* Don't set a default sample size when creating data for silverlight,
- * the player refuses to play files with that set. */
+ /* Don't set a default sample size, the silverlight player refuses
+ * to play files with that set. Don't set a default sample duration,
+ * WMP freaks out if it is set. */
if (track->mode == MODE_ISM)
- flags &= ~0x10;
+ flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION);
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "tfhd");
avio_wb24(pb, flags);
avio_wb32(pb, track->track_id); /* track-id */
- if (flags & 0x01)
+ if (flags & MOV_TFHD_BASE_DATA_OFFSET)
avio_wb64(pb, moof_offset);
- if (flags & 0x08) {
- track->default_duration = track->audio_vbr ? track->enc->frame_size : 1;
+ if (flags & MOV_TFHD_DEFAULT_DURATION) {
+ track->default_duration = get_cluster_duration(track, 0);
avio_wb32(pb, track->default_duration);
}
- if (flags & 0x10) {
+ if (flags & MOV_TFHD_DEFAULT_SIZE) {
track->default_size = track->entry ? track->cluster[0].size : 1;
avio_wb32(pb, track->default_size);
} else
track->default_size = -1;
- if (flags & 0x20) {
+ if (flags & MOV_TFHD_DEFAULT_FLAGS) {
track->default_sample_flags =
track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
- 0x01010000 : 0x02000000;
+ (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
+ MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
avio_wb32(pb, track->default_sample_flags);
}
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
{
- return entry->flags & MOV_SYNC_SAMPLE ? 0x02000000 : 0x01010000;
+ return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
+ (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
}
static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
- uint32_t flags = 1; /* data-offset-present */
+ uint32_t flags = MOV_TRUN_DATA_OFFSET;
int i;
for (i = 0; i < track->entry; i++) {
- int64_t duration = i + 1 == track->entry ?
- track->track_duration - track->cluster[i].dts + track->start_dts :
- track->cluster[i + 1].dts - track->cluster[i].dts;
- if (duration != track->default_duration)
- flags |= 0x100; /* sample-duration-present */
+ if (get_cluster_duration(track, i) != track->default_duration)
+ flags |= MOV_TRUN_SAMPLE_DURATION;
if (track->cluster[i].size != track->default_size)
- flags |= 0x200; /* sample-size-present */
+ flags |= MOV_TRUN_SAMPLE_SIZE;
if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
- flags |= 0x400; /* sample-flags-present */
+ flags |= MOV_TRUN_SAMPLE_FLAGS;
}
- if (!(flags & 0x400))
- flags |= 0x4; /* first-sample-flags-present */
+ if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
+ flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
if (track->flags & MOV_TRACK_CTTS)
- flags |= 0x800; /* sample-composition-time-offsets-present */
+ flags |= MOV_TRUN_SAMPLE_CTS;
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "trun");
avio_wb32(pb, track->entry); /* sample count */
track->moof_size_offset = avio_tell(pb);
avio_wb32(pb, 0); /* data offset */
- if (flags & 0x4) /* first sample flags */
+ if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
for (i = 0; i < track->entry; i++) {
- int64_t duration = i + 1 == track->entry ?
- track->track_duration - track->cluster[i].dts + track->start_dts :
- track->cluster[i + 1].dts - track->cluster[i].dts;
- if (flags & 0x100)
- avio_wb32(pb, duration);
- if (flags & 0x200)
+ if (flags & MOV_TRUN_SAMPLE_DURATION)
+ avio_wb32(pb, get_cluster_duration(track, i));
+ if (flags & MOV_TRUN_SAMPLE_SIZE)
avio_wb32(pb, track->cluster[i].size);
- if (flags & 0x400)
+ if (flags & MOV_TRUN_SAMPLE_FLAGS)
avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
- if (flags & 0x800)
+ if (flags & MOV_TRUN_SAMPLE_CTS)
avio_wb32(pb, track->cluster[i].cts);
}
return 0;
}
+static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
+{
+ const uint8_t *start, *next, *end = pkt->data + pkt->size;
+ int seq = 0, entry = 0;
+ int key = pkt->flags & AV_PKT_FLAG_KEY;
+ start = find_next_marker(pkt->data, end);
+ for (next = start; next < end; start = next) {
+ next = find_next_marker(start + 4, end);
+ switch (AV_RB32(start)) {
+ case VC1_CODE_SEQHDR:
+ seq = 1;
+ break;
+ case VC1_CODE_ENTRYPOINT:
+ entry = 1;
+ break;
+ case VC1_CODE_SLICE:
+ trk->vc1_info.slices = 1;
+ break;
+ }
+ }
+ if (!trk->entry && !fragment) {
+ /* First packet in first fragment */
+ trk->vc1_info.first_packet_seq = seq;
+ trk->vc1_info.first_packet_entry = entry;
+ } else if ((seq && !trk->vc1_info.packet_seq) ||
+ (entry && !trk->vc1_info.packet_entry)) {
+ int i;
+ for (i = 0; i < trk->entry; i++)
+ trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
+ trk->has_keyframes = 0;
+ if (seq)
+ trk->vc1_info.packet_seq = 1;
+ if (entry)
+ trk->vc1_info.packet_entry = 1;
+ if (!fragment) {
+ /* First fragment */
+ if ((!seq || trk->vc1_info.first_packet_seq) &&
+ (!entry || trk->vc1_info.first_packet_entry)) {
+ /* First packet had the same headers as this one, readd the
+ * sync sample flag. */
+ trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
+ trk->has_keyframes = 1;
+ }
+ }
+ }
+ if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
+ key = seq && entry;
+ else if (trk->vc1_info.packet_seq)
+ key = seq;
+ else if (trk->vc1_info.packet_entry)
+ key = entry;
+ if (key) {
+ trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
+ trk->has_keyframes++;
+ }
+}
+
static int mov_flush_fragment(AVFormatContext *s)
{
MOVMuxContext *mov = s->priv_data;
if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
int64_t pos = avio_tell(s->pb);
+ int ret;
+ AVIOContext *moov_buf;
+ uint8_t *buf;
+ int buf_size;
for (i = 0; i < mov->nb_streams; i++)
if (!mov->tracks[i].entry)
/* Don't write the initial moov unless all tracks have data */
if (i < mov->nb_streams)
return 0;
- avio_seek(s->pb, mov->mdat_pos, SEEK_SET);
- avio_wb32(s->pb, mov->mdat_size + 8);
- avio_seek(s->pb, pos, SEEK_SET);
+
+ if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
+ return ret;
+ mov_write_moov_tag(moov_buf, mov, s);
+ buf_size = avio_close_dyn_buf(moov_buf, &buf);
+ av_free(buf);
+ for (i = 0; i < mov->nb_streams; i++)
+ mov->tracks[i].data_offset = pos + buf_size + 8;
+
mov_write_moov_tag(s->pb, mov, s);
+
+ buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
+ mov->mdat_buf = NULL;
+ avio_wb32(s->pb, buf_size + 8);
+ ffio_wfourcc(s->pb, "mdat");
+ avio_write(s->pb, buf, buf_size);
+ av_free(buf);
+
mov->fragments++;
mov->mdat_size = 0;
for (i = 0; i < mov->nb_streams; i++) {
unsigned int samples_in_chunk = 0;
int size= pkt->size;
uint8_t *reformatted_data = NULL;
+ int64_t frag_duration = 0;
if (!s->pb->seekable && !(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
return 0; /* Can't handle that */
if (!size) return 0; /* Discard 0 sized packets */
- if ((mov->max_fragment_duration && trk->entry &&
- av_rescale_q(pkt->dts - trk->cluster[0].dts,
- s->streams[pkt->stream_index]->time_base,
- AV_TIME_BASE_Q) >= mov->max_fragment_duration) ||
+ if (trk->entry && pkt->stream_index < s->nb_streams)
+ frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
+ s->streams[pkt->stream_index]->time_base,
+ AV_TIME_BASE_Q);
+ if ((mov->max_fragment_duration &&
+ frag_duration >= mov->max_fragment_duration) ||
(mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
(mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
enc->codec_type == AVMEDIA_TYPE_VIDEO &&
trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
- mov_flush_fragment(s);
+ if (frag_duration >= mov->min_fragment_duration)
+ mov_flush_fragment(s);
}
- if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->fragments > 0) {
- if (!trk->mdat_buf) {
- int ret;
- if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
- return ret;
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
+ int ret;
+ if (mov->fragments > 0) {
+ if (!trk->mdat_buf) {
+ if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
+ return ret;
+ }
+ pb = trk->mdat_buf;
+ } else {
+ if (!mov->mdat_buf) {
+ if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
+ return ret;
+ }
+ pb = mov->mdat_buf;
}
- pb = trk->mdat_buf;
}
if (enc->codec_id == CODEC_ID_AMR_NB) {
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
return -1;
}
+ } else if (enc->codec_id == CODEC_ID_ADPCM_MS ||
+ enc->codec_id == CODEC_ID_ADPCM_IMA_WAV) {
+ samples_in_chunk = enc->frame_size;
} else if (trk->sample_size)
samples_in_chunk = size / trk->sample_size;
else
} else {
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
}
+ } else if (enc->codec_id == CODEC_ID_AAC && pkt->size > 2 &&
+ (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
+ av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
+ return -1;
} else {
avio_write(pb, pkt->data, size);
}
}
if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
- trk->cluster = av_realloc(trk->cluster, (trk->entry + MOV_INDEX_CLUSTER_SIZE) * sizeof(*trk->cluster));
+ trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
if (!trk->cluster)
return -1;
}
trk->cluster[trk->entry].pos = avio_tell(pb) - size;
trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
+ trk->cluster[trk->entry].chunkNum = 0;
trk->cluster[trk->entry].size = size;
trk->cluster[trk->entry].entries = samples_in_chunk;
trk->cluster[trk->entry].dts = pkt->dts;
trk->flags |= MOV_TRACK_CTTS;
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
trk->cluster[trk->entry].flags = 0;
- if (pkt->flags & AV_PKT_FLAG_KEY) {
+ if (enc->codec_id == CODEC_ID_VC1) {
+ mov_parse_vc1_frame(pkt, trk, mov->fragments);
+ } else if (pkt->flags & AV_PKT_FLAG_KEY) {
if (mov->mode == MODE_MOV && enc->codec_id == CODEC_ID_MPEG2VIDEO &&
trk->entry > 0) { // force sync sample for the first key frame
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
AVDictionaryEntry *t;
int i, hint_track = 0;
- /* Non-seekable output is ok if EMPTY_MOOV is set, or if using the ismv
- * format (which sets EMPTY_MOOV later in this function). If ism_lookahead
+ /* Set the FRAGMENT flag if any of the fragmentation methods are
+ * enabled. */
+ if (mov->max_fragment_duration || mov->max_fragment_size ||
+ mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
+ FF_MOV_FLAG_FRAG_KEYFRAME |
+ FF_MOV_FLAG_FRAG_CUSTOM))
+ mov->flags |= FF_MOV_FLAG_FRAGMENT;
+
+ /* Non-seekable output is ok if using fragmentation. If ism_lookahead
* is enabled, we don't support non-seekable output at all. */
if (!s->pb->seekable &&
- ((!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) &&
+ ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
!(s->oformat && !strcmp(s->oformat->name, "ismv")))
|| mov->ism_lookahead)) {
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
"or choose different container.\n");
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
track->timescale = st->codec->sample_rate;
- /* set sample_size for PCM and ADPCM */
- if (av_get_bits_per_sample(st->codec->codec_id)) {
+ if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
+ av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
+ goto error;
+ }else if(st->codec->codec_id == CODEC_ID_ADPCM_MS ||
+ st->codec->codec_id == CODEC_ID_ADPCM_IMA_WAV){
if (!st->codec->block_align) {
- av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set\n", i);
+ av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
goto error;
}
track->sample_size = st->codec->block_align;
- }
- /* set audio_vbr for compressed audio */
- if (av_get_bits_per_sample(st->codec->codec_id) < 8) {
- if (!st->codec->frame_size && track->mode == MODE_MOV) {
- av_log(s, AV_LOG_ERROR, "track %d: codec frame size is not set\n", i);
- goto error;
- }
+ }else if(st->codec->frame_size > 1){ /* assume compressed audio */
track->audio_vbr = 1;
+ }else{
+ track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
}
if (track->mode != MODE_MOV) {
if (track->timescale > UINT16_MAX) {
}
}else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
track->timescale = st->codec->time_base.den;
+ }else{
+ track->timescale = MOV_TIMESCALE;
}
if (!track->height)
track->height = st->codec->height;
FF_MOV_FLAG_FRAG_CUSTOM)) &&
!mov->max_fragment_duration && !mov->max_fragment_size)
mov->max_fragment_duration = 5000000;
- mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF;
+ mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
+ FF_MOV_FLAG_FRAGMENT;
}
- /* Set the FRAGMENT flag if any of the fragmentation methods are
- * enabled. */
- if (mov->max_fragment_duration || mov->max_fragment_size ||
- mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
- FF_MOV_FLAG_FRAG_KEYFRAME |
- FF_MOV_FLAG_FRAG_CUSTOM))
- mov->flags |= FF_MOV_FLAG_FRAGMENT;
+ if(mov->reserved_moov_size){
+ mov->reserved_moov_pos= avio_tell(pb);
+ avio_skip(pb, mov->reserved_moov_size);
+ }
- if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV))
+ if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
mov_write_mdat_tag(pb, mov);
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
ffio_wfourcc(pb, "mdat");
avio_wb64(pb, mov->mdat_size + 16);
}
- avio_seek(pb, moov_pos, SEEK_SET);
+ avio_seek(pb, mov->reserved_moov_size ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
mov_write_moov_tag(pb, mov, s);
+ if(mov->reserved_moov_size){
+ int64_t size= mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
+ if(size < 8){
+ av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
+ return -1;
+ }
+ avio_wb32(pb, size);
+ ffio_wfourcc(pb, "free");
+ for(i=0; i<size; i++)
+ avio_w8(pb, 0);
+ avio_seek(pb, moov_pos, SEEK_SET);
+ }
} else {
mov_flush_fragment(s);
mov_write_mfra_tag(pb, mov);
for (i=0; i<mov->nb_streams; i++) {
if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
ff_mov_close_hinting(&mov->tracks[i]);
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
+ mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
+ int64_t off = avio_tell(pb);
+ uint8_t buf[7];
+ if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
+ avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
+ avio_write(pb, buf, 7);
+ avio_seek(pb, off, SEEK_SET);
+ }
+ }
av_freep(&mov->tracks[i].cluster);
av_freep(&mov->tracks[i].frag_info);
.write_packet = ff_mov_write_packet,
.write_trailer = mov_write_trailer,
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
- .codec_tag = (const AVCodecTag* const []){codec_movvideo_tags, codec_movaudio_tags, 0},
+ .codec_tag = (const AVCodecTag* const []){ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0},
.priv_class = &mov_muxer_class,
};
#endif
projects / ffmpeg / blobdiff