* 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 "avc.h"
#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
-#include "libavcodec/vc1.h"
+#include "libavcodec/vc1_common.h"
#include "internal.h"
#include "libavutil/avstring.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
+#include "hevc.h"
#include "rtpenc.h"
#include "mov_chan.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" },
- { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
+ { "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" },
FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 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},
{ "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},
+ { "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_INT, {.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 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
};
.version = LIBAVUTIL_VERSION_INT,\
};
+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)
{
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 = 0; // use 32 bit size variant if possible
+ int mode64 = co64_required(track); // use 32 bit size variant if possible
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
- if (pos > UINT32_MAX) {
- mode64 = 1;
+ if (mode64) {
ffio_wfourcc(pb, "co64");
} else
ffio_wfourcc(pb, "stco");
// 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->enc->codec_type == AVMEDIA_TYPE_AUDIO)
+ if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
+ avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
+ else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
avio_w8(pb, 0x15); // flags (= Audiostream)
else
avio_w8(pb, 0x11); // flags (= Visualstream)
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 */
+
+ /* 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 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");
+ 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)
{
return 0;
if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
+ else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
else if (track->enc->codec_id == AV_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 == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
return tag;
}
else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
else tag = MKTAG('d','v','p','p');
else if (track->enc->height == 720) /* HD 720 line */
- if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
+ if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
else tag = MKTAG('d','v','h','p');
else if (track->enc->height == 1080) /* HD 1080 line */
- if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
+ 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");
{
int tag = track->enc->codec_tag;
- if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
+ if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
(track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
track->enc->codec_id == AV_CODEC_ID_H263 ||
{ AV_CODEC_ID_NONE, 0 },
};
+static const AVCodecTag codec_f4v_tags[] = {
+ { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
+ { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
+ { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
+ { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
+ { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
+ { AV_CODEC_ID_NONE, 0 },
+};
+
static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
{
int tag;
tag = ipod_get_codec_tag(s, track);
else if (track->mode & MODE_3GP)
tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
+ else if (track->mode == MODE_F4V)
+ tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
else
tag = mov_get_codec_tag(s, track);
avio_wb16(pb, 0); /* Reserved */
avio_wb16(pb, 1); /* Data-reference index */
- if (track->enc->extradata_size)
+ if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
+ mov_write_esds_tag(pb, track);
+ else if (track->enc->extradata_size)
avio_write(pb, track->enc->extradata, track->enc->extradata_size);
return update_size(pb, pos);
static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
{
+ AVDictionaryEntry *encoder;
int64_t pos = avio_tell(pb);
char compressor_name[32] = { 0 };
avio_wb16(pb, 1); /* Frame count (= 1) */
/* 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);
+ if (track->mode == MODE_MOV &&
+ (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0)))
+ av_strlcpy(compressor_name, encoder->value, 32);
avio_w8(pb, strlen(compressor_name));
avio_write(pb, compressor_name, 31);
mov_write_svq3_tag(pb);
else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
mov_write_avid_tag(pb, track);
+ else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
+ mov_write_hvcc_tag(pb, track);
else if (track->enc->codec_id == AV_CODEC_ID_H264) {
mov_write_avcc_tag(pb, track);
if (track->mode == MODE_IPOD)
mov_write_fiel_tag(pb, track);
else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
mov_write_dvc1_tag(pb, track);
- else if (track->vos_len > 0)
+ else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
+ track->enc->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->vos_len > 0)
mov_write_glbl_tag(pb, track);
if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
return update_size(pb, pos);
}
+static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
+{
+ int64_t pos = avio_tell(pb);
+
+ 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->enc->extradata_size)
+ avio_write(pb, track->enc->extradata, track->enc->extradata_size);
+ return update_size(pb, pos);
+}
+
static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
mov_write_subtitle_tag(pb, track);
else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
mov_write_rtp_tag(pb, track);
+ else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
+ mov_write_tmcd_tag(pb, track);
return update_size(pb, pos);
}
return 0x14;
}
+static int is_clcp_track(MOVTrack *track)
+{
+ return track->tag == MKTAG('c','7','0','8') ||
+ track->tag == MKTAG('c','6','0','8');
+}
+
static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
{
const char *hdlr, *descr = NULL, *hdlr_type = NULL;
hdlr_type = "soun";
descr = "SoundHandler";
} else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
- else hdlr_type = "text";
+ if (track->tag == MKTAG('t','x','3','g')) {
+ hdlr_type = "sbtl";
+ } else if (track->tag == MKTAG('m','p','4','s')) {
+ hdlr_type = "subp";
+ } else if (is_clcp_track(track)) {
+ hdlr_type = "clcp";
+ } else {
+ hdlr_type = "text";
+ }
descr = "SubtitleHandler";
} else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
hdlr_type = "hint";
"Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
tag_buf, track->enc->codec_tag);
}
+ if (track->st) {
+ // hdlr.name is used by some players to identify the content title
+ // of the track. So if an alternate handler description is
+ // specified, use it.
+ AVDictionaryEntry *t;
+ t = av_dict_get(track->st->metadata, "handler", NULL, 0);
+ if (t && utf8len(t->value))
+ descr = t->value;
+ }
}
avio_wb32(pb, 0); /* size */
else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
mov_write_smhd_tag(pb);
else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- if (track->tag == MKTAG('t','e','x','t')) mov_write_gmhd_tag(pb);
- else mov_write_nmhd_tag(pb);
+ if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
+ mov_write_gmhd_tag(pb);
+ } else {
+ mov_write_nmhd_tag(pb);
+ }
} else if (track->tag == MKTAG('r','t','p',' ')) {
mov_write_hmhd_tag(pb);
+ } else if (track->tag == MKTAG('t','m','c','d')) {
+ mov_write_gmhd_tag(pb);
}
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
mov_write_hdlr_tag(pb, NULL);
return update_size(pb, pos);
}
-static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
+static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track)
{
int version = track->track_duration < INT32_MAX ? 0 : 1;
avio_wb32(pb, track->time); /* modification time */
}
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
- if (!track->entry)
+ if (!track->entry && mov->mode == MODE_ISM)
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
+ else if (!track->entry)
+ (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
else
(version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
avio_wb16(pb, track->language); /* language */
return 32;
}
-static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
+static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "mdia");
- mov_write_mdhd_tag(pb, track);
+ mov_write_mdhd_tag(pb, mov, track);
mov_write_hdlr_tag(pb, track);
mov_write_minf_tag(pb, track);
return update_size(pb, pos);
}
-static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
+static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track, AVStream *st)
{
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
track->timescale, AV_ROUND_UP);
int version = duration < INT32_MAX ? 0 : 1;
+ int flags = MOV_TKHD_FLAG_IN_MOVIE;
+ int group = 0;
+
+
+ if (st) {
+ if (mov->per_stream_grouping)
+ group = st->index;
+ else
+ group = st->codec->codec_type;
+ }
+
+ if (track->flags & MOV_TRACK_ENABLED)
+ flags |= MOV_TKHD_FLAG_ENABLED;
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_wb24(pb, 0xf); /* flags (track enabled) */
+ avio_wb24(pb, flags);
if (version == 1) {
avio_wb64(pb, track->time);
avio_wb64(pb, track->time);
}
avio_wb32(pb, track->track_id); /* track-id */
avio_wb32(pb, 0); /* reserved */
- if (!track->entry)
+ if (!track->entry && mov->mode == MODE_ISM)
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
+ else if (!track->entry)
+ (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
else
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
avio_wb32(pb, 0); /* reserved */
avio_wb32(pb, 0); /* reserved */
avio_wb16(pb, 0); /* layer */
- avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
+ avio_wb16(pb, group); /* alternate group) */
/* Volume, only for audio */
if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
avio_wb16(pb, 0x0100);
avio_wb32(pb, width << 16);
avio_wb32(pb, track->enc->height << 16);
+ avio_wb32(pb, 20);
+ ffio_wfourcc(pb, "prof");
+ avio_wb32(pb, 0);
+ avio_wb32(pb, width << 16);
+ avio_wb32(pb, track->enc->height << 16);
+
avio_wb32(pb, 20);
ffio_wfourcc(pb, "enof");
avio_wb32(pb, 0);
}
// This box seems important for the psp playback ... without it the movie seems to hang
-static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
+static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track)
{
int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
track->timescale, AV_ROUND_UP);
avio_wb32(pb, entry_count);
if (delay > 0) { /* add an empty edit to delay presentation */
+ /* In the positive delay case, the delay includes the cts
+ * offset, and the second edit list entry below trims out
+ * the same amount from the actual content. This makes sure
+ * that the offsetted last sample is included in the edit
+ * list duration as well. */
if (version == 1) {
avio_wb64(pb, delay);
avio_wb64(pb, -1);
avio_wb32(pb, -1);
}
avio_wb32(pb, 0x00010000);
+ } else {
+ /* Avoid accidentally ending up with start_ct = -1 which has got a
+ * special meaning. Normally start_ct should end up positive or zero
+ * here, but use FFMIN in case dts is a a small positive integer
+ * rounded to 0 when represented in MOV_TIMESCALE units. */
+ start_ct = -FFMIN(track->cluster[0].dts, 0);
+ /* Note, this delay is calculated from the pts of the first sample,
+ * ensuring that we don't reduce the duration for cases with
+ * dts<0 pts=0. */
+ duration += delay;
}
+ /* For fragmented files, we don't know the full length yet. Setting
+ * duration to 0 allows us to only specify the offset, including
+ * the rest of the content (from all future fragments) without specifying
+ * an explicit duration. */
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT)
+ duration = 0;
+
/* duration */
if (version == 1) {
avio_wb64(pb, duration);
return len + 24;
}
+static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
+ const char *tag, const char *str)
+{
+ int64_t pos = avio_tell(pb);
+ AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
+ if (!t || !utf8len(t->value))
+ return 0;
+
+ avio_wb32(pb, 0); /* size */
+ ffio_wfourcc(pb, tag); /* type */
+ avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
+ return update_size(pb, pos);
+}
+
+static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
+ AVStream *st)
+{
+ AVIOContext *pb_buf;
+ int ret, size;
+ uint8_t *buf;
+
+ if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
+ return 0;
+
+ ret = avio_open_dyn_buf(&pb_buf);
+ if (ret < 0)
+ return ret;
+
+ if (mov->mode & MODE_MP4)
+ mov_write_track_metadata(pb_buf, st, "name", "title");
+
+ if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
+ avio_wb32(pb, size + 8);
+ ffio_wfourcc(pb, "udta");
+ avio_write(pb, buf, size);
+ }
+ av_free(buf);
+
+ return 0;
+}
+
static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
MOVTrack *track, AVStream *st)
{
int64_t pos = avio_tell(pb);
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
+ mov_write_tkhd_tag(pb, mov, track, st);
+ if (track->entry &&
+ (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
+ track->cluster[0].dts || is_clcp_track(track))) {
+ if (mov->use_editlist)
+ mov_write_edts_tag(pb, mov, track); // PSP Movies require edts box
+ else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
+ av_log(mov->fc, AV_LOG_WARNING,
+ "Not writing any edit list even though one would have been required\n");
}
if (track->tref_tag)
mov_write_tref_tag(pb, track);
- mov_write_mdia_tag(pb, track);
+ mov_write_mdia_tag(pb, mov, track);
if (track->mode == MODE_PSP)
mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
if (track->tag == MKTAG('r','t','p',' '))
mov_write_udta_sdp(pb, track);
- 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 (track->mode == MODE_MOV) {
+ if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
+ double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
+ if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
+ mov_write_tapt_tag(pb, track);
+ }
+ }
+ if (is_clcp_track(track)) {
mov_write_tapt_tag(pb, track);
+ }
}
+ mov_write_track_udta_tag(pb, mov, st);
return update_size(pb, pos);
}
int audio_profile = mov->iods_audio_profile;
int video_profile = mov->iods_video_profile;
for (i = 0; i < mov->nb_streams; i++) {
- if (mov->tracks[i].entry > 0) {
+ if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
}
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
mov_write_string_metadata(s, pb, "\251day", "date" , 1);
- mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
+ if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
+ mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
return size;
}
-static int utf8len(const uint8_t *b)
-{
- int len = 0;
- int val;
- while (*b) {
- GET_UTF8(val, *b++, return -1;)
- len++;
- }
- return len;
-}
-
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
{
int val;
AVFormatContext *s)
{
AVIOContext *pb_buf;
- int i, ret, size;
+ int ret, size;
uint8_t *buf;
- for (i = 0; i < s->nb_streams; i++)
- if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
- return 0;
- }
+ if (s->flags & AVFMT_FLAG_BITEXACT)
+ return 0;
ret = avio_open_dyn_buf(&pb_buf);
if (ret < 0)
mov_write_meta_tag(pb_buf, mov, s);
}
- if (s->nb_chapters)
+ if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
mov_write_chpl_tag(pb_buf, s);
if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
return 0;
}
-static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
- int64_t moof_offset)
+static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track, int64_t moof_offset)
{
int64_t pos = avio_tell(pb);
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
} else {
flags |= MOV_TFHD_DEFAULT_FLAGS;
}
+ if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
+ flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
+ if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
+ flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
+ flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
+ }
/* Don't set a default sample size, the silverlight player refuses
* to play files with that set. Don't set a default sample duration,
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
}
-static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
+static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
+ MOVTrack *track, int moof_size)
{
int64_t pos = avio_tell(pb);
uint32_t flags = MOV_TRUN_DATA_OFFSET;
avio_wb24(pb, flags);
avio_wb32(pb, track->entry); /* sample count */
- track->moof_size_offset = avio_tell(pb);
- avio_wb32(pb, 0); /* data offset */
+ if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
+ !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
+ !mov->first_trun)
+ avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
+ else
+ avio_wb32(pb, moof_size + 8 + track->data_offset +
+ track->cluster[0].pos); /* data offset */
if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
avio_wb32(pb, track->cluster[i].cts);
}
+ mov->first_trun = 0;
return update_size(pb, pos);
}
return 0;
}
+static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
+ int size)
+{
+ int i;
+ for (i = 0; i < mov->nb_streams; i++) {
+ MOVTrack *track = &mov->tracks[i];
+ MOVFragmentInfo *info;
+ if ((tracks >= 0 && i != tracks) || !track->entry)
+ continue;
+ track->nb_frag_info++;
+ if (track->nb_frag_info >= track->frag_info_capacity) {
+ unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
+ if (av_reallocp_array(&track->frag_info,
+ new_capacity,
+ sizeof(*track->frag_info)))
+ return AVERROR(ENOMEM);
+ track->frag_info_capacity = new_capacity;
+ }
+ info = &track->frag_info[track->nb_frag_info - 1];
+ info->offset = avio_tell(pb);
+ info->size = size;
+ // Try to recreate the original pts for the first packet
+ // from the fields we have stored
+ info->time = track->start_dts + track->frag_start +
+ track->cluster[0].cts;
+ // If the pts is less than zero, we will have trimmed
+ // away parts of the media track using an edit list,
+ // and the corresponding start presentation time is zero.
+ if (info->time < 0)
+ info->time = 0;
+ info->duration = track->start_dts + track->track_duration -
+ track->cluster[0].dts;
+ info->tfrf_offset = 0;
+ mov_write_tfrf_tags(pb, mov, track);
+ }
+ return 0;
+}
+
+static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
+{
+ int64_t pos = avio_tell(pb);
+
+ avio_wb32(pb, 0); /* size */
+ ffio_wfourcc(pb, "tfdt");
+ avio_w8(pb, 1); /* version */
+ avio_wb24(pb, 0);
+ avio_wb64(pb, track->frag_start);
+ return update_size(pb, pos);
+}
+
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
- MOVTrack *track, int64_t moof_offset)
+ MOVTrack *track, int64_t moof_offset,
+ int moof_size)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "traf");
- mov_write_tfhd_tag(pb, track, moof_offset);
- mov_write_trun_tag(pb, track);
+ mov_write_tfhd_tag(pb, mov, track, moof_offset);
+ if (mov->mode != MODE_ISM)
+ mov_write_tfdt_tag(pb, track);
+ mov_write_trun_tag(pb, mov, track, moof_size);
if (mov->mode == MODE_ISM) {
mov_write_tfxd_tag(pb, track);
if (mov->ism_lookahead) {
int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
- track->tfrf_offset = avio_tell(pb);
+ if (track->nb_frag_info > 0) {
+ MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
+ if (!info->tfrf_offset)
+ info->tfrf_offset = avio_tell(pb);
+ }
avio_wb32(pb, 8 + size);
ffio_wfourcc(pb, "free");
for (i = 0; i < size; i++)
return update_size(pb, pos);
}
-static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
+static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
+ int tracks, int moof_size)
{
- int64_t pos = avio_tell(pb), end;
- int i, moof_size;
+ int64_t pos = avio_tell(pb);
+ int i;
avio_wb32(pb, 0); /* size placeholder */
ffio_wfourcc(pb, "moof");
+ mov->first_trun = 1;
mov_write_mfhd_tag(pb, mov);
for (i = 0; i < mov->nb_streams; i++) {
continue;
if (!track->entry)
continue;
- mov_write_traf_tag(pb, mov, track, pos);
+ mov_write_traf_tag(pb, mov, track, pos, moof_size);
}
- end = avio_tell(pb);
- moof_size = end - pos;
- for (i = 0; i < mov->nb_streams; i++) {
- MOVTrack *track = &mov->tracks[i];
- if (tracks >= 0 && i != tracks)
- continue;
- if (!track->entry)
- continue;
- avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
- avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
+ return update_size(pb, pos);
+}
+
+static int mov_write_sidx_tag(AVIOContext *pb,
+ MOVTrack *track, int ref_size, int total_sidx_size)
+{
+ int64_t pos = avio_tell(pb), offset_pos, end_pos;
+ int64_t presentation_time, duration, offset;
+ int starts_with_SAP, i, entries;
+
+ if (track->entry) {
+ entries = 1;
+ presentation_time = track->start_dts + track->frag_start +
+ track->cluster[0].cts;
+ duration = track->start_dts + track->track_duration -
+ track->cluster[0].dts;
+ starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
+ } else {
+ entries = track->nb_frag_info;
+ presentation_time = track->frag_info[0].time;
}
- avio_seek(pb, end, SEEK_SET);
+ // pts<0 should be cut away using edts
+ if (presentation_time < 0)
+ presentation_time = 0;
+
+ avio_wb32(pb, 0); /* size */
+ ffio_wfourcc(pb, "sidx");
+ avio_w8(pb, 1); /* version */
+ avio_wb24(pb, 0);
+ avio_wb32(pb, track->track_id); /* reference_ID */
+ avio_wb32(pb, track->timescale); /* timescale */
+ avio_wb64(pb, presentation_time); /* earliest_presentation_time */
+ offset_pos = avio_tell(pb);
+ avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
+ avio_wb16(pb, 0); /* reserved */
+
+ avio_wb16(pb, entries); /* reference_count */
+ for (i = 0; i < entries; i++) {
+ if (!track->entry) {
+ if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
+ av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
+ }
+ duration = track->frag_info[i].duration;
+ ref_size = track->frag_info[i].size;
+ starts_with_SAP = 1;
+ }
+ avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
+ avio_wb32(pb, duration); /* subsegment_duration */
+ avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
+ }
+
+ end_pos = avio_tell(pb);
+ offset = pos + total_sidx_size - end_pos;
+ avio_seek(pb, offset_pos, SEEK_SET);
+ avio_wb64(pb, offset);
+ avio_seek(pb, end_pos, SEEK_SET);
return update_size(pb, pos);
}
+static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
+ int tracks, int ref_size)
+{
+ int i, round, ret;
+ AVIOContext *avio_buf;
+ int total_size = 0;
+ for (round = 0; round < 2; round++) {
+ // First run one round to calculate the total size of all
+ // sidx atoms.
+ // This would be much simpler if we'd only write one sidx
+ // atom, for the first track in the moof.
+ if (round == 0) {
+ if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
+ return ret;
+ } else {
+ avio_buf = pb;
+ }
+ for (i = 0; i < mov->nb_streams; i++) {
+ MOVTrack *track = &mov->tracks[i];
+ if (tracks >= 0 && i != tracks)
+ continue;
+ // When writing a sidx for the full file, entry is 0, but
+ // we want to include all tracks. ref_size is 0 in this case,
+ // since we read it from frag_info instead.
+ if (!track->entry && ref_size > 0)
+ continue;
+ total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
+ total_size);
+ }
+ if (round == 0)
+ total_size = ffio_close_null_buf(avio_buf);
+ }
+ return 0;
+}
+
+static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
+ int64_t mdat_size)
+{
+ AVIOContext *avio_buf;
+ int ret, moof_size;
+
+ if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
+ return ret;
+ mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
+ moof_size = ffio_close_null_buf(avio_buf);
+
+ if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
+ mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
+
+ if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
+ return ret;
+
+ return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
+}
+
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
{
int64_t pos = avio_tell(pb);
avio_wb32(pb, track->nb_frag_info);
for (i = 0; i < track->nb_frag_info; i++) {
avio_wb64(pb, track->frag_info[i].time);
- avio_wb64(pb, track->frag_info[i].offset);
+ avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
avio_w8(pb, 1); /* traf number */
avio_w8(pb, 1); /* trun number */
avio_w8(pb, 1); /* sample number */
avio_wb32(pb, 0); /* size */
ffio_wfourcc(pb, "ftyp");
- if (mov->mode == MODE_3GP) {
+ if (mov->major_brand && strlen(mov->major_brand) >= 4)
+ ffio_wfourcc(pb, mov->major_brand);
+ else if (mov->mode == MODE_3GP) {
ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
minor = has_h264 ? 0x100 : 0x200;
} else if (mov->mode & MODE_3G2) {
minor = has_h264 ? 0x20000 : 0x10000;
} else if (mov->mode == MODE_PSP)
ffio_wfourcc(pb, "MSNV");
+ else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
+ ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
else if (mov->mode == MODE_MP4)
ffio_wfourcc(pb, "isom");
else if (mov->mode == MODE_IPOD)
ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
else if (mov->mode == MODE_ISM)
ffio_wfourcc(pb, "isml");
+ else if (mov->mode == MODE_F4V)
+ ffio_wfourcc(pb, "f4v ");
else
ffio_wfourcc(pb, "qt ");
ffio_wfourcc(pb, "qt ");
else if (mov->mode == MODE_ISM) {
ffio_wfourcc(pb, "piff");
- ffio_wfourcc(pb, "iso2");
- } else {
+ } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
ffio_wfourcc(pb, "isom");
ffio_wfourcc(pb, "iso2");
if (has_h264)
ffio_wfourcc(pb, "avc1");
}
+ // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
+ // brand. This is compatible with users that don't understand tfdt.
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
+ ffio_wfourcc(pb, "iso6");
+
if (mov->mode == MODE_3GP)
ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
else if (mov->mode & MODE_3G2)
ffio_wfourcc(pb, "MSNV");
else if (mov->mode == MODE_MP4)
ffio_wfourcc(pb, "mp41");
+
+ if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
+ ffio_wfourcc(pb, "dash");
+
return update_size(pb, pos);
}
static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
{
+ AVStream *video_st = s->streams[0];
AVCodecContext *video_codec = s->streams[0]->codec;
AVCodecContext *audio_codec = s->streams[1]->codec;
int audio_rate = audio_codec->sample_rate;
- int frame_rate = ((video_codec->time_base.den) * (0x10000)) / (video_codec->time_base.num);
+ // TODO: should be avg_frame_rate
+ int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
int audio_kbitrate = audio_codec->bit_rate / 1000;
int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
if (i < mov->nb_streams)
return 0;
- if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
+ if ((ret = ffio_open_null_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);
+ buf_size = ffio_close_null_buf(moov_buf);
for (i = 0; i < mov->nb_streams; i++)
mov->tracks[i].data_offset = pos + buf_size + 8;
}
if (write_moof) {
- MOVFragmentInfo *info;
avio_flush(s->pb);
- track->nb_frag_info++;
- if (track->nb_frag_info >= track->frag_info_capacity) {
- unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
- if (av_reallocp_array(&track->frag_info,
- new_capacity,
- sizeof(*track->frag_info)))
- return AVERROR(ENOMEM);
- track->frag_info_capacity = new_capacity;
- }
- info = &track->frag_info[track->nb_frag_info - 1];
- info->offset = avio_tell(s->pb);
- info->time = mov->tracks[i].frag_start;
- info->duration = duration;
- mov_write_tfrf_tags(s->pb, mov, track);
-
- mov_write_moof_tag(s->pb, mov, moof_tracks);
- info->tfrf_offset = track->tfrf_offset;
+
+ mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
mov->fragments++;
avio_wb32(s->pb, mdat_size + 8);
MOVTrack *trk = &mov->tracks[pkt->stream_index];
AVCodecContext *enc = trk->enc;
unsigned int samples_in_chunk = 0;
- int size = pkt->size;
+ int size = pkt->size, ret = 0;
uint8_t *reformatted_data = NULL;
if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
} else {
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
}
+ } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
+ (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
+ /* extradata is Annex B, assume the bitstream is too and convert it */
+ if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
+ ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
+ avio_write(pb, reformatted_data, size);
+ } else {
+ size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
+ }
} else {
avio_write(pb, pkt->data, size);
}
/* copy frame to create needed atoms */
trk->vos_len = size;
trk->vos_data = av_malloc(size);
- if (!trk->vos_data)
- return AVERROR(ENOMEM);
+ if (!trk->vos_data) {
+ ret = AVERROR(ENOMEM);
+ goto err;
+ }
memcpy(trk->vos_data, pkt->data, size);
}
if (trk->entry >= trk->cluster_capacity) {
unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
if (av_reallocp_array(&trk->cluster, new_capacity,
- sizeof(*trk->cluster)))
- return AVERROR(ENOMEM);
+ sizeof(*trk->cluster))) {
+ ret = AVERROR(ENOMEM);
+ goto err;
+ }
trk->cluster_capacity = new_capacity;
}
trk->cluster[trk->entry].entries = samples_in_chunk;
trk->cluster[trk->entry].dts = pkt->dts;
if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
- /* First packet of a new fragment. We already wrote the duration
- * of the last packet of the previous fragment based on track_duration,
- * which might not exactly match our dts. Therefore adjust the dts
- * of this packet to be what the previous packets duration implies. */
- trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
+ if (!trk->frag_discont) {
+ /* First packet of a new fragment. We already wrote the duration
+ * of the last packet of the previous fragment based on track_duration,
+ * which might not exactly match our dts. Therefore adjust the dts
+ * of this packet to be what the previous packets duration implies. */
+ trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
+ } else {
+ /* New fragment, but discontinuous from previous fragments.
+ * Pretend the duration sum of the earlier fragments is
+ * pkt->dts - trk->start_dts. */
+ trk->frag_start = pkt->dts - trk->start_dts;
+ trk->frag_discont = 0;
+ }
}
- if (trk->start_dts == AV_NOPTS_VALUE)
+ if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
+ s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
+ /* Not using edit lists and shifting the first track to start from zero.
+ * If the other streams start from a later timestamp, we won't be able
+ * to signal the difference in starting time without an edit list.
+ * Thus move the timestamp for this first sample to 0, increasing
+ * its duration instead. */
+ trk->cluster[trk->entry].dts = trk->start_dts = 0;
+ }
+ if (trk->start_dts == AV_NOPTS_VALUE) {
trk->start_dts = pkt->dts;
+ if (trk->frag_discont) {
+ /* Pretend the whole stream started at dts=0, with earlier framgents
+ * already written, with a duration summing up to pkt->dts. */
+ trk->frag_start = pkt->dts;
+ trk->start_dts = 0;
+ trk->frag_discont = 0;
+ } else if (pkt->dts && mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
+ av_log(s, AV_LOG_WARNING,
+ "Track %d starts with a nonzero dts %"PRId64". This "
+ "currently isn't handled correctly in combination with "
+ "empty_moov.\n", pkt->stream_index, pkt->dts);
+ }
trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
if (pkt->pts == AV_NOPTS_VALUE) {
trk->sample_count += samples_in_chunk;
mov->mdat_size += size;
- avio_flush(pb);
-
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
reformatted_data, size);
+
+err:
av_free(reformatted_data);
- return 0;
+ return ret;
}
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
if (!pkt->size)
return 0; /* Discard 0 sized packets */
+ if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
+ int i;
+ for (i = 0; i < s->nb_streams; i++)
+ mov->tracks[i].frag_discont = 1;
+ mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
+ }
+
if (trk->entry)
frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
s->streams[pkt->stream_index]->time_base,
// QuickTime chapters involve an additional text track with the chapter names
// as samples, and a tref pointing from the other tracks to the chapter one.
-static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
+static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
{
MOVMuxContext *mov = s->priv_data;
MOVTrack *track = &mov->tracks[tracknum];
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
int i, len;
+ // These properties are required to make QT recognize the chapter track
+ uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
track->mode = mov->mode;
track->tag = MKTAG('t','e','x','t');
track->timescale = MOV_TIMESCALE;
track->enc = avcodec_alloc_context3(NULL);
+ if (!track->enc)
+ return AVERROR(ENOMEM);
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+ track->enc->extradata = av_malloc(sizeof(chapter_properties));
+ if (!track->enc->extradata)
+ return AVERROR(ENOMEM);
+ track->enc->extradata_size = sizeof(chapter_properties);
+ memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties));
for (i = 0; i < s->nb_chapters; i++) {
AVChapter *c = s->chapters[i];
pkt.duration = end - pkt.dts;
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
+ const char encd[12] = {
+ 0x00, 0x00, 0x00, 0x0C,
+ 'e', 'n', 'c', 'd',
+ 0x00, 0x00, 0x01, 0x00 };
len = strlen(t->value);
- pkt.size = len + 2;
+ pkt.size = len + 2 + 12;
pkt.data = av_malloc(pkt.size);
+ if (!pkt.data)
+ return AVERROR(ENOMEM);
AV_WB16(pkt.data, len);
memcpy(pkt.data + 2, t->value, len);
+ memcpy(pkt.data + len + 2, encd, sizeof(encd));
ff_mov_write_packet(s, &pkt);
av_freep(&pkt.data);
}
}
+
+ return 0;
+}
+
+/*
+ * st->disposition controls the "enabled" flag in the tkhd tag.
+ * QuickTime will not play a track if it is not enabled. So make sure
+ * that one track of each type (audio, video, subtitle) is enabled.
+ *
+ * Subtitles are special. For audio and video, setting "enabled" also
+ * makes the track "default" (i.e. it is rendered when played). For
+ * subtitles, an "enabled" subtitle is not rendered by default, but
+ * if no subtitle is enabled, the subtitle menu in QuickTime will be
+ * empty!
+ */
+static void enable_tracks(AVFormatContext *s)
+{
+ MOVMuxContext *mov = s->priv_data;
+ int i;
+ int enabled[AVMEDIA_TYPE_NB];
+ int first[AVMEDIA_TYPE_NB];
+
+ for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
+ enabled[i] = 0;
+ first[i] = -1;
+ }
+
+ for (i = 0; i < s->nb_streams; i++) {
+ AVStream *st = s->streams[i];
+
+ if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
+ st->codec->codec_type >= AVMEDIA_TYPE_NB)
+ continue;
+
+ if (first[st->codec->codec_type] < 0)
+ first[st->codec->codec_type] = i;
+ if (st->disposition & AV_DISPOSITION_DEFAULT) {
+ mov->tracks[i].flags |= MOV_TRACK_ENABLED;
+ enabled[st->codec->codec_type]++;
+ }
+ }
+
+ for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
+ switch (i) {
+ case AVMEDIA_TYPE_VIDEO:
+ case AVMEDIA_TYPE_AUDIO:
+ case AVMEDIA_TYPE_SUBTITLE:
+ if (enabled[i] > 1)
+ mov->per_stream_grouping = 1;
+ if (!enabled[i] && first[i] >= 0)
+ mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
+ break;
+ }
+ }
+}
+
+static void mov_free(AVFormatContext *s)
+{
+ MOVMuxContext *mov = s->priv_data;
+ int i;
+
+ if (mov->chapter_track) {
+ if (mov->tracks[mov->chapter_track].enc)
+ av_free(mov->tracks[mov->chapter_track].enc->extradata);
+ av_freep(&mov->tracks[mov->chapter_track].enc);
+ }
+
+ for (i = 0; i < mov->nb_streams; i++) {
+ if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
+ ff_mov_close_hinting(&mov->tracks[i]);
+ av_freep(&mov->tracks[i].cluster);
+ av_freep(&mov->tracks[i].frag_info);
+
+ if (mov->tracks[i].vos_len)
+ av_free(mov->tracks[i].vos_data);
+ }
+
+ av_freep(&mov->tracks);
+}
+
+static uint32_t rgb_to_yuv(uint32_t rgb)
+{
+ uint8_t r, g, b;
+ int y, cb, cr;
+
+ r = (rgb >> 16) & 0xFF;
+ g = (rgb >> 8) & 0xFF;
+ b = (rgb ) & 0xFF;
+
+ y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b);
+ cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b);
+ cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b);
+
+ return (y << 16) | (cr << 8) | cb;
+}
+
+static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
+ AVStream *st)
+{
+ int i, width = 720, height = 480;
+ int have_palette = 0, have_size = 0;
+ uint32_t palette[16];
+ char *cur = st->codec->extradata;
+
+ while (cur && *cur) {
+ if (strncmp("palette:", cur, 8) == 0) {
+ int i, count;
+ count = sscanf(cur + 8,
+ "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
+ "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
+ "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
+ "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
+ &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
+ &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
+ &palette[ 8], &palette[ 9], &palette[10], &palette[11],
+ &palette[12], &palette[13], &palette[14], &palette[15]);
+
+ for (i = 0; i < count; i++) {
+ palette[i] = rgb_to_yuv(palette[i]);
+ }
+ have_palette = 1;
+ } else if (!strncmp("size:", cur, 5)) {
+ sscanf(cur + 5, "%dx%d", &width, &height);
+ have_size = 1;
+ }
+ if (have_palette && have_size)
+ break;
+ cur += strcspn(cur, "\n\r");
+ cur += strspn(cur, "\n\r");
+ }
+ if (have_palette) {
+ track->vos_data = av_malloc(16*4);
+ if (!track->vos_data)
+ return AVERROR(ENOMEM);
+ for (i = 0; i < 16; i++) {
+ AV_WB32(track->vos_data + i * 4, palette[i]);
+ }
+ track->vos_len = 16 * 4;
+ }
+ st->codec->width = width;
+ st->codec->height = track->height = height;
+
+ return 0;
}
static int mov_write_header(AVFormatContext *s)
AVDictionaryEntry *t;
int i, hint_track = 0;
+ mov->fc = s;
+
+ /* Default mode == MP4 */
+ mov->mode = MODE_MP4;
+
+ if (s->oformat) {
+ if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
+ else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
+ else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
+ else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
+ else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
+ else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
+ else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
+ }
+
/* Set the FRAGMENT flag if any of the fragmentation methods are
* enabled. */
if (mov->max_fragment_duration || mov->max_fragment_size ||
FF_MOV_FLAG_FRAG_CUSTOM))
mov->flags |= FF_MOV_FLAG_FRAGMENT;
+ /* Set other implicit flags immediately */
+ if (mov->mode == MODE_ISM)
+ mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
+ FF_MOV_FLAG_FRAGMENT;
+ if (mov->flags & FF_MOV_FLAG_DASH)
+ mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
+ FF_MOV_FLAG_DEFAULT_BASE_MOOF;
+
+ if (mov->use_editlist < 0) {
+ mov->use_editlist = 1;
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
+ // If we can avoid needing an edit list by shifting the
+ // tracks, prefer that over (trying to) write edit lists
+ // in fragmented output.
+ if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
+ s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
+ mov->use_editlist = 0;
+ }
+ }
+ if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && mov->use_editlist)
+ av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov\n");
+
+ if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
+ s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
+
/* 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_FRAGMENT) &&
- !(s->oformat && !strcmp(s->oformat->name, "ismv")))
- || mov->ism_lookahead)) {
+ (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
- return -1;
+ return AVERROR(EINVAL);
}
- /* Default mode == MP4 */
- mov->mode = MODE_MP4;
- if (s->oformat != NULL) {
- if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
- else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
- else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
- else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
- else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
- else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
-
- mov_write_ftyp_tag(pb,s);
- if (mov->mode == MODE_PSP) {
- if (s->nb_streams != 2) {
- av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
- return -1;
- }
- mov_write_uuidprof_tag(pb, s);
+ mov_write_ftyp_tag(pb,s);
+ if (mov->mode == MODE_PSP) {
+ if (s->nb_streams != 2) {
+ av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
+ return AVERROR(EINVAL);
}
+ mov_write_uuidprof_tag(pb, s);
}
mov->nb_streams = s->nb_streams;
MOVTrack *track= &mov->tracks[i];
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
+ track->st = st;
track->enc = st->codec;
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
if (track->language < 0)
}
track->height = track->tag >> 24 == 'n' ? 486 : 576;
}
- track->timescale = st->codec->time_base.den;
+ track->timescale = st->time_base.den;
if (track->mode == MODE_MOV && track->timescale > 100000)
av_log(s, AV_LOG_WARNING,
"WARNING codec timebase is very high. If duration is too long,\n"
goto error;
}
} else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- track->timescale = st->codec->time_base.den;
+ track->timescale = st->time_base.den;
} else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) {
- track->timescale = st->codec->time_base.den;
+ track->timescale = st->time_base.den;
}
if (!track->height)
track->height = st->codec->height;
/* copy extradata if it exists */
if (st->codec->extradata_size) {
- track->vos_len = st->codec->extradata_size;
- track->vos_data = av_malloc(track->vos_len);
- memcpy(track->vos_data, st->codec->extradata, track->vos_len);
+ if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
+ mov_create_dvd_sub_decoder_specific_info(track, st);
+ else {
+ track->vos_len = st->codec->extradata_size;
+ track->vos_data = av_malloc(track->vos_len);
+ memcpy(track->vos_data, st->codec->extradata, track->vos_len);
+ }
}
}
- if (mov->mode == MODE_ISM) {
+ enable_tracks(s);
+
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
/* If no fragmentation options have been set, set a default. */
if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
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 |
- FF_MOV_FLAG_FRAGMENT;
- }
-
- if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
+ mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
+ } else {
+ if (mov->flags & FF_MOV_FLAG_FASTSTART)
+ mov->reserved_moov_pos = avio_tell(pb);
mov_write_mdat_tag(pb, mov);
+ }
if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
mov->time = ff_iso8601_to_unix_time(t->value);
mov->time += 0x7C25B080; // 1970 based -> 1904 based
if (mov->chapter_track)
- mov_create_chapter_track(s, mov->chapter_track);
+ if (mov_create_chapter_track(s, mov->chapter_track) < 0)
+ goto error;
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
/* Initialize the hint tracks for each audio and video stream */
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
mov_write_moov_tag(pb, mov, s);
mov->fragments++;
+ if (mov->flags & FF_MOV_FLAG_FASTSTART)
+ mov->reserved_moov_pos = avio_tell(pb);
}
return 0;
error:
- av_freep(&mov->tracks);
+ mov_free(s);
return -1;
}
+static int get_moov_size(AVFormatContext *s)
+{
+ int ret;
+ AVIOContext *moov_buf;
+ MOVMuxContext *mov = s->priv_data;
+
+ if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
+ return ret;
+ mov_write_moov_tag(moov_buf, mov, s);
+ return ffio_close_null_buf(moov_buf);
+}
+
+static int get_sidx_size(AVFormatContext *s)
+{
+ int ret;
+ AVIOContext *buf;
+ MOVMuxContext *mov = s->priv_data;
+
+ if ((ret = ffio_open_null_buf(&buf)) < 0)
+ return ret;
+ mov_write_sidx_tags(buf, mov, -1, 0);
+ return ffio_close_null_buf(buf);
+}
+
+/*
+ * This function gets the moov size if moved to the top of the file: the chunk
+ * offset table can switch between stco (32-bit entries) to co64 (64-bit
+ * entries) when the moov is moved to the beginning, so the size of the moov
+ * would change. It also updates the chunk offset tables.
+ */
+static int compute_moov_size(AVFormatContext *s)
+{
+ int i, moov_size, moov_size2;
+ MOVMuxContext *mov = s->priv_data;
+
+ moov_size = get_moov_size(s);
+ if (moov_size < 0)
+ return moov_size;
+
+ for (i = 0; i < mov->nb_streams; i++)
+ mov->tracks[i].data_offset += moov_size;
+
+ moov_size2 = get_moov_size(s);
+ if (moov_size2 < 0)
+ return moov_size2;
+
+ /* if the size changed, we just switched from stco to co64 and need to
+ * update the offsets */
+ if (moov_size2 != moov_size)
+ for (i = 0; i < mov->nb_streams; i++)
+ mov->tracks[i].data_offset += moov_size2 - moov_size;
+
+ return moov_size2;
+}
+
+static int compute_sidx_size(AVFormatContext *s)
+{
+ int i, sidx_size;
+ MOVMuxContext *mov = s->priv_data;
+
+ sidx_size = get_sidx_size(s);
+ if (sidx_size < 0)
+ return sidx_size;
+
+ for (i = 0; i < mov->nb_streams; i++)
+ mov->tracks[i].data_offset += sidx_size;
+
+ return sidx_size;
+}
+
+static int shift_data(AVFormatContext *s)
+{
+ int ret = 0, moov_size;
+ MOVMuxContext *mov = s->priv_data;
+ int64_t pos, pos_end = avio_tell(s->pb);
+ uint8_t *buf, *read_buf[2];
+ int read_buf_id = 0;
+ int read_size[2];
+ AVIOContext *read_pb;
+
+ if (mov->flags & FF_MOV_FLAG_FRAGMENT)
+ moov_size = compute_sidx_size(s);
+ else
+ moov_size = compute_moov_size(s);
+ if (moov_size < 0)
+ return moov_size;
+
+ buf = av_malloc(moov_size * 2);
+ if (!buf)
+ return AVERROR(ENOMEM);
+ read_buf[0] = buf;
+ read_buf[1] = buf + moov_size;
+
+ /* Shift the data: the AVIO context of the output can only be used for
+ * writing, so we re-open the same output, but for reading. It also avoids
+ * a read/seek/write/seek back and forth. */
+ avio_flush(s->pb);
+ ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
+ if (ret < 0) {
+ av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
+ "the second pass (faststart)\n", s->filename);
+ goto end;
+ }
+
+ /* mark the end of the shift to up to the last data we wrote, and get ready
+ * for writing */
+ pos_end = avio_tell(s->pb);
+ avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
+
+ /* start reading at where the new moov will be placed */
+ avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
+ pos = avio_tell(read_pb);
+
+#define READ_BLOCK do { \
+ read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
+ read_buf_id ^= 1; \
+} while (0)
+
+ /* shift data by chunk of at most moov_size */
+ READ_BLOCK;
+ do {
+ int n;
+ READ_BLOCK;
+ n = read_size[read_buf_id];
+ if (n <= 0)
+ break;
+ avio_write(s->pb, read_buf[read_buf_id], n);
+ pos += n;
+ } while (pos < pos_end);
+ avio_close(read_pb);
+
+end:
+ av_free(buf);
+ return ret;
+}
+
static int mov_write_trailer(AVFormatContext *s)
{
MOVMuxContext *mov = s->priv_data;
if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
mov->chapter_track = mov->nb_streams++;
- mov_create_chapter_track(s, mov->chapter_track);
+ if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
+ goto error;
}
}
- moov_pos = avio_tell(pb);
-
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
+ moov_pos = avio_tell(pb);
+
/* Write size of mdat tag */
if (mov->mdat_size + 8 <= UINT32_MAX) {
avio_seek(pb, mov->mdat_pos, SEEK_SET);
}
avio_seek(pb, moov_pos, SEEK_SET);
- mov_write_moov_tag(pb, mov, s);
+ if (mov->flags & FF_MOV_FLAG_FASTSTART) {
+ av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
+ res = shift_data(s);
+ if (res == 0) {
+ avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
+ mov_write_moov_tag(pb, mov, s);
+ }
+ } else {
+ mov_write_moov_tag(pb, mov, s);
+ }
} else {
mov_flush_fragment(s);
- mov_write_mfra_tag(pb, mov);
+ for (i = 0; i < mov->nb_streams; i++)
+ mov->tracks[i].data_offset = 0;
+ if (mov->flags & FF_MOV_FLAG_FASTSTART) {
+ av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
+ res = shift_data(s);
+ if (res == 0) {
+ int64_t end = avio_tell(pb);
+ avio_seek(pb, mov->reserved_moov_pos, SEEK_SET);
+ mov_write_sidx_tags(pb, mov, -1, 0);
+ avio_seek(pb, end, SEEK_SET);
+ mov_write_mfra_tag(pb, mov);
+ }
+ } else {
+ mov_write_mfra_tag(pb, mov);
+ }
}
- if (mov->chapter_track)
- av_freep(&mov->tracks[mov->chapter_track].enc);
-
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);
avio_seek(pb, off, SEEK_SET);
}
}
- av_freep(&mov->tracks[i].cluster);
- av_freep(&mov->tracks[i].frag_info);
-
- if (mov->tracks[i].vos_len)
- av_free(mov->tracks[i].vos_data);
}
- av_freep(&mov->tracks);
+error:
+ mov_free(s);
return res;
}
.priv_class = &ismv_muxer_class,
};
#endif
+#if CONFIG_F4V_MUXER
+MOV_CLASS(f4v)
+AVOutputFormat ff_f4v_muxer = {
+ .name = "f4v",
+ .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
+ .mime_type = "application/f4v",
+ .extensions = "f4v",
+ .priv_data_size = sizeof(MOVMuxContext),
+ .audio_codec = AV_CODEC_ID_AAC,
+ .video_codec = AV_CODEC_ID_H264,
+ .write_header = mov_write_header,
+ .write_packet = mov_write_packet,
+ .write_trailer = mov_write_trailer,
+ .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
+ .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
+ .priv_class = &f4v_muxer_class,
+};
+#endif
projects / ffmpeg / blobdiff