har0ke/FFmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

avformat/matroskaenc: Don't waste bytes to Write Tag length fields

Browse Source 
This is possible by using a dynamic buffer to write them;
said dynamic buffer is (re)used and reset as appropriate.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-06-15 11:25:12 +02:00
parent 58df81b027
commit b468ddc75d
26 changed files with 131 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
libavformat/matroskaenc.c
View File

@ -216,6 +216,13 @@ typedef struct MatroskaMuxContext {
BlockContext cur_block;
/* Used as temporary buffer to use the minimal amount of bytes
* to write the length field of EBML Masters.
* Every user has to reset the buffer after using it and
* different uses may not overlap. It is currently used in
* mkv_write_tag(). */
AVIOContext *tmp_bc;
AVPacket *cur_audio_pkt;
unsigned nb_attachments;
@ -247,6 +254,9 @@ typedef struct MatroskaMuxContext {
/** 4 * (1-byte EBML ID, 1-byte EBML size, 8-byte uint max) */
#define MAX_CUETRACKPOS_SIZE 40
/** 2 + 1 Simpletag header, 2 + 1 + 8 Name "DURATION", 23B for TagString */
#define DURATION_SIMPLETAG_SIZE (2 + 1 + (2 + 1 + 8) + 23)
/** Seek preroll value for opus */
#define OPUS_SEEK_PREROLL 80000000
@ -824,6 +834,7 @@ static void mkv_deinit(AVFormatContext *s)
ffio_free_dyn_buf(&mkv->info.bc);
ffio_free_dyn_buf(&mkv->track.bc);
ffio_free_dyn_buf(&mkv->tags.bc);
ffio_free_dyn_buf(&mkv->tmp_bc);
av_freep(&mkv->cur_block.h2645_nalu_list.nalus);
av_freep(&mkv->cues.entries);
@ -1921,24 +1932,14 @@ static int mkv_write_simpletag(AVIOContext *pb, const AVDictionaryEntry *t)
return ret;
}
static int mkv_write_tag_targets(MatroskaMuxContext *mkv, AVIOContext **pb,
ebml_master *tag, uint32_t elementid, uint64_t uid)
static void mkv_write_tag_targets(MatroskaMuxContext *mkv, AVIOContext *pb,
uint32_t elementid, uint64_t uid)
{
ebml_master targets;
int ret;
if (!*pb) {
ret = start_ebml_master_crc32(pb, mkv);
if (ret < 0)
return ret;
}
*tag = start_ebml_master(*pb, MATROSKA_ID_TAG, 0);
targets = start_ebml_master(*pb, MATROSKA_ID_TAGTARGETS, 4 + 1 + 8);
ebml_master targets = start_ebml_master(pb, MATROSKA_ID_TAGTARGETS,
4 + 1 + 8);
if (elementid)
put_ebml_uid(*pb, elementid, uid);
end_ebml_master(*pb, targets);
return 0;
put_ebml_uid(pb, elementid, uid);
end_ebml_master(pb, targets);
}
static int mkv_check_tag_name(const char *name, uint32_t elementid)
@ -1956,29 +1957,41 @@ static int mkv_check_tag_name(const char *name, uint32_t elementid)
}
static int mkv_write_tag(MatroskaMuxContext *mkv, const AVDictionary *m,
AVIOContext **pb, ebml_master *tag,
AVIOContext **pb, unsigned reserved_size,
uint32_t elementid, uint64_t uid)
{
const AVDictionaryEntry *t = NULL;
ebml_master tag2;
int ret;
AVIOContext *const tmp_bc = mkv->tmp_bc;
uint8_t *buf;
int ret, size;
ret = mkv_write_tag_targets(mkv, pb, tag ? tag : &tag2, elementid, uid);
if (ret < 0)
return ret;
mkv_write_tag_targets(mkv, tmp_bc, elementid, uid);
while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX))) {
if (mkv_check_tag_name(t->key, elementid)) {
ret = mkv_write_simpletag(*pb, t);
ret = mkv_write_simpletag(tmp_bc, t);
if (ret < 0)
return ret;
goto end;
}
}
if (reserved_size)
put_ebml_void(tmp_bc, reserved_size);
if (!tag)
end_ebml_master(*pb, tag2);
size = avio_get_dyn_buf(tmp_bc, &buf);
if (tmp_bc->error) {
ret = tmp_bc->error;
goto end;
}
if (!*pb) {
ret = start_ebml_master_crc32(pb, mkv);
if (ret < 0)
goto end;
}
put_ebml_binary(*pb, MATROSKA_ID_TAG, buf, size);
return 0;
end:
ffio_reset_dyn_buf(tmp_bc);
return ret;
}
static int mkv_check_tag(const AVDictionary *m, uint32_t elementid)
@ -1995,15 +2008,14 @@ static int mkv_check_tag(const AVDictionary *m, uint32_t elementid)
static int mkv_write_tags(AVFormatContext *s)
{
MatroskaMuxContext *mkv = s->priv_data;
ebml_master tag, *tagp = IS_SEEKABLE(s->pb, mkv) ? &tag : NULL;
int i, ret;
int i, ret, seekable = IS_SEEKABLE(s->pb, mkv);
mkv->wrote_tags = 1;
ff_metadata_conv_ctx(s, ff_mkv_metadata_conv, NULL);
if (mkv_check_tag(s->metadata, 0)) {
ret = mkv_write_tag(mkv, s->metadata, &mkv->tags.bc, NULL, 0, 0);
ret = mkv_write_tag(mkv, s->metadata, &mkv->tags.bc, 0, 0, 0);
if (ret < 0)
return ret;
}
@ -2015,29 +2027,16 @@ static int mkv_write_tags(AVFormatContext *s)
if (st->codecpar->codec_type == AVMEDIA_TYPE_ATTACHMENT)
continue;
if (!tagp && !mkv_check_tag(st->metadata, MATROSKA_ID_TAGTARGETS_TRACKUID))
if (!seekable && !mkv_check_tag(st->metadata, MATROSKA_ID_TAGTARGETS_TRACKUID))
continue;
ret = mkv_write_tag(mkv, st->metadata, &mkv->tags.bc, tagp,
ret = mkv_write_tag(mkv, st->metadata, &mkv->tags.bc,
seekable ? DURATION_SIMPLETAG_SIZE : 0,
MATROSKA_ID_TAGTARGETS_TRACKUID, track->uid);
if (ret < 0)
return ret;
if (tagp) {
AVIOContext *pb = mkv->tags.bc;
ebml_master simpletag;
simpletag = start_ebml_master(pb, MATROSKA_ID_SIMPLETAG,
2 + 1 + 8 + 23);
put_ebml_string(pb, MATROSKA_ID_TAGNAME, "DURATION");
track->duration_offset = avio_tell(pb);
// Reserve space to write duration as a 20-byte string.
// 2 (ebml id) + 1 (data size) + 20 (data)
put_ebml_void(pb, 23);
end_ebml_master(pb, simpletag);
end_ebml_master(pb, tag);
}
if (seekable)
track->duration_offset = avio_tell(mkv->tags.bc) - DURATION_SIMPLETAG_SIZE;
}
if (mkv->nb_attachments && !IS_WEBM(mkv)) {
@ -2051,7 +2050,7 @@ static int mkv_write_tags(AVFormatContext *s)
if (!mkv_check_tag(st->metadata, MATROSKA_ID_TAGTARGETS_ATTACHUID))
continue;
ret = mkv_write_tag(mkv, st->metadata, &mkv->tags.bc, NULL,
ret = mkv_write_tag(mkv, st->metadata, &mkv->tags.bc, 0,
MATROSKA_ID_TAGTARGETS_ATTACHUID, track->uid);
if (ret < 0)
return ret;
@ -2136,7 +2135,7 @@ static int mkv_write_chapters(AVFormatContext *s)
ff_metadata_conv(&c->metadata, ff_mkv_metadata_conv, NULL);
if (mkv_check_tag(c->metadata, MATROSKA_ID_TAGTARGETS_CHAPTERUID)) {
ret = mkv_write_tag(mkv, c->metadata, tags, NULL,
ret = mkv_write_tag(mkv, c->metadata, tags, 0,
MATROSKA_ID_TAGTARGETS_CHAPTERUID, uid);
if (ret < 0)
goto fail;
@ -2336,6 +2335,10 @@ static int mkv_write_header(AVFormatContext *s)
AVIOContext *pb = s->pb;
int ret, version = 2;
ret = avio_open_dyn_buf(&mkv->tmp_bc);
if (ret < 0)
return ret;
if (!IS_WEBM(mkv) ||
av_dict_get(s->metadata, "stereo_mode", NULL, 0) ||
av_dict_get(s->metadata, "alpha_mode", NULL, 0))
@ -3010,6 +3013,7 @@ after_cues:
// update stream durations
if (mkv->tags.bc) {
AVIOContext *tags_bc = mkv->tags.bc;
int i;
for (i = 0; i < s->nb_streams; ++i) {
const AVStream *st = s->streams[i];
@ -3018,17 +3022,22 @@ after_cues:
if (track->duration_offset > 0) {
double duration_sec = track->duration * av_q2d(st->time_base);
char duration_string[20] = "";
ebml_master simpletag;
av_log(s, AV_LOG_DEBUG, "stream %d end duration = %" PRIu64 "\n", i,
track->duration);
avio_seek(mkv->tags.bc, track->duration_offset, SEEK_SET);
avio_seek(tags_bc, track->duration_offset, SEEK_SET);
simpletag = start_ebml_master(tags_bc, MATROSKA_ID_SIMPLETAG,
2 + 1 + 8 + 23);
put_ebml_string(tags_bc, MATROSKA_ID_TAGNAME, "DURATION");
snprintf(duration_string, 20, "%02d:%02d:%012.9f",
(int) duration_sec / 3600, ((int) duration_sec / 60) % 60,
fmod(duration_sec, 60));
put_ebml_binary(mkv->tags.bc, MATROSKA_ID_TAGSTRING, duration_string, 20);
put_ebml_binary(tags_bc, MATROSKA_ID_TAGSTRING, duration_string, 20);
end_ebml_master(tags_bc, simpletag);
}
}

4
tests/ref/fate/aac-autobsf-adtstoasc
View File

@ -1,5 +1,5 @@
224607440d242dad567b8ee2ed3afeac *tests/data/fate/aac-autobsf-adtstoasc.matroska
6651 tests/data/fate/aac-autobsf-adtstoasc.matroska
29daa1e1985dac4baae0774a0b56149d *tests/data/fate/aac-autobsf-adtstoasc.matroska
6644 tests/data/fate/aac-autobsf-adtstoasc.matroska
#extradata 0: 2, 0x0030001c
#tb 0: 1/1000
#media_type 0: audio

4
tests/ref/fate/matroska-avoid-negative-ts
View File

@ -1,5 +1,5 @@
804842437b2be0a1604ce33c6b08c800 *tests/data/fate/matroska-avoid-negative-ts.matroska
973070 tests/data/fate/matroska-avoid-negative-ts.matroska
fbe66be73d379073e0705891f290a6b2 *tests/data/fate/matroska-avoid-negative-ts.matroska
973055 tests/data/fate/matroska-avoid-negative-ts.matroska
#extradata 0: 22, 0x2885037c
#tb 0: 1/1000
#media_type 0: video

4
tests/ref/fate/matroska-dovi-write-config7
View File

@ -1,5 +1,5 @@
7981e419c77ebd4180caafc0b45ade4d *tests/data/fate/matroska-dovi-write-config7.matroska
72693 tests/data/fate/matroska-dovi-write-config7.matroska
d23b8b0d0613a82ba36fdc27acf3ef5d *tests/data/fate/matroska-dovi-write-config7.matroska
72672 tests/data/fate/matroska-dovi-write-config7.matroska
#extradata 0: 116, 0x2b8d1669
#extradata 1: 116, 0x2b8d1669
#tb 0: 1/1000

4
tests/ref/fate/matroska-dovi-write-config8
View File

@ -1,5 +1,5 @@
a5f259b0d7590e1ef77e09c3a75d0801 *tests/data/fate/matroska-dovi-write-config8.matroska
3600595 tests/data/fate/matroska-dovi-write-config8.matroska
0047ca43aa8ab2948752e367f184dc1f *tests/data/fate/matroska-dovi-write-config8.matroska
3600576 tests/data/fate/matroska-dovi-write-config8.matroska
#extradata 0: 551, 0xa18acf66
#extradata 1: 2, 0x00340022
#tb 0: 1/1000

4
tests/ref/fate/matroska-dvbsub-remux
View File

@ -1,5 +1,5 @@
e675d3a76a4720f3e65bf56ec6041fe1 *tests/data/fate/matroska-dvbsub-remux.matroska
39025 tests/data/fate/matroska-dvbsub-remux.matroska
77d210dc36d7a01988d159b3c902524c *tests/data/fate/matroska-dvbsub-remux.matroska
39010 tests/data/fate/matroska-dvbsub-remux.matroska
#extradata 0: 5, 0x00bb0064
#extradata 1: 5, 0x00bb0064
#tb 0: 1/1000

4
tests/ref/fate/matroska-flac-extradata-update
View File

@ -1,5 +1,5 @@
56ff5763fd81ad3bc02c22402cd685e2 *tests/data/fate/matroska-flac-extradata-update.matroska
2008 tests/data/fate/matroska-flac-extradata-update.matroska
732446e97bae29037ff0cd9963d4ac08 *tests/data/fate/matroska-flac-extradata-update.matroska
1987 tests/data/fate/matroska-flac-extradata-update.matroska
#extradata 0: 34, 0x7acb09e7
#extradata 1: 34, 0x7acb09e7
#extradata 2: 34, 0x443402dd

4
tests/ref/fate/matroska-h264-remux
View File

@ -1,5 +1,5 @@
e4b0303e7bfbc8394bf47e11ab991d48 *tests/data/fate/matroska-h264-remux.matroska
2036061 tests/data/fate/matroska-h264-remux.matroska
3c00191234d5c4d77151d38a86403101 *tests/data/fate/matroska-h264-remux.matroska
2036033 tests/data/fate/matroska-h264-remux.matroska
#tb 0: 1/25
#media_type 0: video
#codec_id 0: rawvideo

4
tests/ref/fate/matroska-mastering-display-metadata
View File

@ -1,5 +1,5 @@
62866a79d93bbe699d6abb6592ceb50e *tests/data/fate/matroska-mastering-display-metadata.matroska
1669585 tests/data/fate/matroska-mastering-display-metadata.matroska
69a904789151abaee46033391a4fce46 *tests/data/fate/matroska-mastering-display-metadata.matroska
1669555 tests/data/fate/matroska-mastering-display-metadata.matroska
#extradata 0: 4, 0x040901a3
#extradata 3: 200, 0x506463a8
#tb 0: 1/1000

4
tests/ref/fate/matroska-move-cues-to-front
View File

@ -1,5 +1,5 @@
62064edeb4a621fd0097f04c410c165c *tests/data/fate/matroska-move-cues-to-front.matroska
23210303 tests/data/fate/matroska-move-cues-to-front.matroska
8ebfcf15768bbe66611e349383fbf26a *tests/data/fate/matroska-move-cues-to-front.matroska
23210287 tests/data/fate/matroska-move-cues-to-front.matroska
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: pcm_s24be

4
tests/ref/fate/matroska-mpegts-remux
View File

@ -1,5 +1,5 @@
4e6253c1f5f96ff64ae855dea426547d *tests/data/fate/matroska-mpegts-remux.matroska
6509 tests/data/fate/matroska-mpegts-remux.matroska
acaf3ebe07afe9815e0a984921d3ab87 *tests/data/fate/matroska-mpegts-remux.matroska
6494 tests/data/fate/matroska-mpegts-remux.matroska
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: ac3

4
tests/ref/fate/matroska-ms-mode
View File

@ -1,5 +1,5 @@
20e86febdfa8a2d5aefd83f89d5d99a7 *tests/data/fate/matroska-ms-mode.matroska
413101 tests/data/fate/matroska-ms-mode.matroska
afb4fc9b2ca6cafc03d8029fdf4da876 *tests/data/fate/matroska-ms-mode.matroska
413086 tests/data/fate/matroska-ms-mode.matroska
#extradata 0: 40, 0x54290c93
#extradata 1: 114, 0xb6c80771
#tb 0: 1/1000

4
tests/ref/fate/matroska-pgs-remux
View File

@ -1,5 +1,5 @@
9aa538611b5f3bd0455b2afd3dafe08d *tests/data/fate/matroska-pgs-remux.matroska
49751 tests/data/fate/matroska-pgs-remux.matroska
6703d4e9a905bc5a1fc529776e8ffb51 *tests/data/fate/matroska-pgs-remux.matroska
49744 tests/data/fate/matroska-pgs-remux.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: hdmv_pgs_subtitle

4
tests/ref/fate/matroska-pgs-remux-durations
View File

@ -1,5 +1,5 @@
20fa9d515b08718c42d3e3a8a4a8bf5d *tests/data/fate/matroska-pgs-remux-durations.matroska
49763 tests/data/fate/matroska-pgs-remux-durations.matroska
a547f8b6463a60e5ef2e9a2b117c4dfa *tests/data/fate/matroska-pgs-remux-durations.matroska
49756 tests/data/fate/matroska-pgs-remux-durations.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: hdmv_pgs_subtitle

4
tests/ref/fate/matroska-qt-mode
View File

@ -1,5 +1,5 @@
7f3a5c46ccb2b95074bdabc034ee71d1 *tests/data/fate/matroska-qt-mode.matroska
1884236 tests/data/fate/matroska-qt-mode.matroska
39a3d6faff69892c8a20301560b80b14 *tests/data/fate/matroska-qt-mode.matroska
1884224 tests/data/fate/matroska-qt-mode.matroska
#extradata 0: 90, 0x817d0185
#tb 0: 1/1000
#media_type 0: video

4
tests/ref/fate/matroska-spherical-mono-remux
View File

@ -1,5 +1,5 @@
28d9277e1992fa362e7eac7a16261fde *tests/data/fate/matroska-spherical-mono-remux.matroska
161569 tests/data/fate/matroska-spherical-mono-remux.matroska
31cdace875cb696973d5a493ce776eea *tests/data/fate/matroska-spherical-mono-remux.matroska
161554 tests/data/fate/matroska-spherical-mono-remux.matroska
#extradata 0: 43, 0x2b0e0d7b
#extradata 1: 43, 0x2b0e0d7b
#tb 0: 1/1000

4
tests/ref/fate/matroska-vp8-alpha-remux
View File

@ -1,5 +1,5 @@
58147987d42f32d105d96b24b0755257 *tests/data/fate/matroska-vp8-alpha-remux.matroska
235018 tests/data/fate/matroska-vp8-alpha-remux.matroska
fd4f24bf776a2f84e01b0aa7fdfece38 *tests/data/fate/matroska-vp8-alpha-remux.matroska
235011 tests/data/fate/matroska-vp8-alpha-remux.matroska
#tb 0: 1/1000
#media_type 0: video
#codec_id 0: vp8

4
tests/ref/fate/matroska-zero-length-block
View File

@ -1,5 +1,5 @@
f37ba7e8a30eaa33c1fd0ef77447fb41 *tests/data/fate/matroska-zero-length-block.matroska
636 tests/data/fate/matroska-zero-length-block.matroska
d9c8efb9d64addce3cac97e6c417d985 *tests/data/fate/matroska-zero-length-block.matroska
630 tests/data/fate/matroska-zero-length-block.matroska
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: subrip

4
tests/ref/fate/rgb24-mkv
View File

@ -1,5 +1,5 @@
afc7b59819a8d69773b04757278fccef *tests/data/fate/rgb24-mkv.matroska
58217 tests/data/fate/rgb24-mkv.matroska
a46cb669137f18ac0a42012485e5e863 *tests/data/fate/rgb24-mkv.matroska
58211 tests/data/fate/rgb24-mkv.matroska
#tb 0: 1/10
#media_type 0: video
#codec_id 0: rawvideo

4
tests/ref/fate/webm-dash-chapters
View File

@ -1,5 +1,5 @@
f97445ba73e182c888fa077348384083 *tests/data/fate/webm-dash-chapters.webm
111156 tests/data/fate/webm-dash-chapters.webm
aa3ca15fae0239d6bf67fa0658a8bc3b *tests/data/fate/webm-dash-chapters.webm
111150 tests/data/fate/webm-dash-chapters.webm
#extradata 0: 3469, 0xc6769ddc
#tb 0: 1/1000
#media_type 0: audio

4
tests/ref/fate/webm-webvtt-remux
View File

@ -1,5 +1,5 @@
8620a6614f149fc49ab7f4552373943e *tests/data/fate/webm-webvtt-remux.webm
6556 tests/data/fate/webm-webvtt-remux.webm
0b43695bf27bbe48ea44e969d8908e1f *tests/data/fate/webm-webvtt-remux.webm
6528 tests/data/fate/webm-webvtt-remux.webm
#tb 0: 1/1000
#media_type 0: subtitle
#codec_id 0: webvtt

4
tests/ref/lavf-fate/av1.mkv
View File

@ -1,3 +1,3 @@
33e58aee4132d60e7ae21ecf3ae9e35f *tests/data/lavf-fate/lavf.av1.mkv
55649 tests/data/lavf-fate/lavf.av1.mkv
72a4713f9165c73574d40e8b81c5d70f *tests/data/lavf-fate/lavf.av1.mkv
55642 tests/data/lavf-fate/lavf.av1.mkv
tests/data/lavf-fate/lavf.av1.mkv CRC=0x7c27cc15

4
tests/ref/lavf/mka
View File

@ -1,3 +1,3 @@
036f852ae7ae18cf38ddc99ea39032fb *tests/data/lavf/lavf.mka
43576 tests/data/lavf/lavf.mka
e2d55cd3844fd7237a92181dbbcb08d9 *tests/data/lavf/lavf.mka
43569 tests/data/lavf/lavf.mka
tests/data/lavf/lavf.mka CRC=0x3a1da17e

4
tests/ref/lavf/mkv
View File

@ -1,3 +1,3 @@
c5e6db66eb81415c2a5128f4298850a8 *tests/data/lavf/lavf.mkv
320417 tests/data/lavf/lavf.mkv
17e637fc06015fea86428840418ffea2 *tests/data/lavf/lavf.mkv
320403 tests/data/lavf/lavf.mkv
tests/data/lavf/lavf.mkv CRC=0xec6c3c68

4
tests/ref/lavf/mkv_attachment
View File

@ -1,3 +1,3 @@
a24aaf26dde6461f89acb7dd7c492015 *tests/data/lavf/lavf.mkv_attachment
472567 tests/data/lavf/lavf.mkv_attachment
3855fb336711517b32b0ec41e8505b4d *tests/data/lavf/lavf.mkv_attachment
472553 tests/data/lavf/lavf.mkv_attachment
tests/data/lavf/lavf.mkv_attachment CRC=0xec6c3c68

44
tests/ref/seek/lavf-mkv
View File

@ -1,48 +1,48 @@
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 665 size: 208
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 651 size: 208
ret: 0 st:-1 flags:0 ts:-1.000000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret: 0 st: 0 flags:0 ts: 0.788000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret: 0 st: 0 flags:1 ts:-0.317000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret:-1 st: 1 flags:0 ts: 2.577000
ret: 0 st: 1 flags:1 ts: 1.471000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320138 size: 209
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320124 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146849 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146835 size: 27925
ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret:-1 st: 0 flags:0 ts: 2.153000
ret: 0 st: 0 flags:1 ts: 1.048000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret: 0 st: 1 flags:0 ts:-0.058000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 665 size: 208
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 651 size: 208
ret: 0 st: 1 flags:1 ts: 2.836000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320138 size: 209
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320124 size: 209
ret:-1 st:-1 flags:0 ts: 1.730004
ret: 0 st:-1 flags:1 ts: 0.624171
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146849 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146835 size: 27925
ret: 0 st: 0 flags:0 ts:-0.482000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret: 0 st: 0 flags:1 ts: 2.413000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret:-1 st: 1 flags:0 ts: 1.307000
ret: 0 st: 1 flags:1 ts: 0.201000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 665 size: 208
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 651 size: 208
ret: 0 st:-1 flags:0 ts:-0.904994
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret: 0 st: 0 flags:0 ts: 0.883000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292297 size: 27834
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292283 size: 27834
ret: 0 st: 0 flags:1 ts:-0.222000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837
ret:-1 st: 1 flags:0 ts: 2.672000
ret: 0 st: 1 flags:1 ts: 1.566000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320138 size: 209
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320124 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146849 size: 27925
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146835 size: 27925
ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 881 size: 27837
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 867 size: 27837