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Commit 0b61ddb5 authored by Andreas Rheinhardt's avatar Andreas Rheinhardt Committed by James Almer
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avformat/matroskaenc: Don't waste bytes writing level 1 elements 

Up until now, the length field of most level 1 elements has been written
using eight bytes, although it is known in advance how much space the
content of said elements will take up so that it would be possible to
determine the minimal amount of bytes for the length field. This
commit changes this.
Signed-off-by: 's avatarAndreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: 's avatarJames Almer <jamrial@gmail.com>
parent 08f5d972
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Showing with 50 additions and 51 deletions
libavformat/matroskaenc.c
View file @ 0b61ddb5
...@@ -60,7 +60,7 @@ ...@@ -60,7 +60,7 @@
typedef struct ebml_master { typedef struct ebml_master {
int64_t pos; ///< absolute offset in the containing AVIOContext where the size field starts int64_t pos; ///< absolute offset in the containing AVIOContext where the size field starts
///< for level 1 elements or else where the master's elements start ///< for level 1 elements or else where the master's elements start
int sizebytes; ///< how many bytes were reserved/shall be used for the size int sizebytes; ///< how many bytes were reserved for the size
} ebml_master; } ebml_master;
typedef struct mkv_seekhead_entry { typedef struct mkv_seekhead_entry {
...@@ -334,15 +334,15 @@ static void end_ebml_master(AVIOContext *pb, ebml_master master) ...@@ -334,15 +334,15 @@ static void end_ebml_master(AVIOContext *pb, ebml_master master)
} }
static int start_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv, static int start_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, MatroskaMuxContext *mkv,
ebml_master *master, uint32_t elementid, uint64_t expectedsize) ebml_master *master, uint32_t elementid)
{ {
int ret, bytes = expectedsize ? ebml_num_size(expectedsize) : 8; int ret;
if ((ret = avio_open_dyn_buf(dyn_cp)) < 0) if ((ret = avio_open_dyn_buf(dyn_cp)) < 0)
return ret; return ret;
put_ebml_id(pb, elementid); put_ebml_id(pb, elementid);
*master = (ebml_master) { avio_tell(pb), bytes }; *master = (ebml_master) { avio_tell(pb), 0 };
if (mkv->write_crc) if (mkv->write_crc)
put_ebml_void(*dyn_cp, 6); /* Reserve space for CRC32 so position/size calculations using avio_tell() take it into account */ put_ebml_void(*dyn_cp, 6); /* Reserve space for CRC32 so position/size calculations using avio_tell() take it into account */
...@@ -356,7 +356,7 @@ static void end_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, Matrosk ...@@ -356,7 +356,7 @@ static void end_ebml_master_crc32(AVIOContext *pb, AVIOContext **dyn_cp, Matrosk
int size, skip = 0; int size, skip = 0;
size = avio_close_dyn_buf(*dyn_cp, &buf); size = avio_close_dyn_buf(*dyn_cp, &buf);
put_ebml_num(pb, size, master.sizebytes); put_ebml_num(pb, size, 0);
if (mkv->write_crc) { if (mkv->write_crc) {
skip = 6; /* Skip reserved 6-byte long void element from the dynamic buffer. */ skip = 6; /* Skip reserved 6-byte long void element from the dynamic buffer. */
AV_WL32(crc, av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), UINT32_MAX, buf + skip, size - skip) ^ UINT32_MAX); AV_WL32(crc, av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), UINT32_MAX, buf + skip, size - skip) ^ UINT32_MAX);
...@@ -377,7 +377,7 @@ static void end_ebml_master_crc32_preliminary(AVIOContext *pb, AVIOContext **dyn ...@@ -377,7 +377,7 @@ static void end_ebml_master_crc32_preliminary(AVIOContext *pb, AVIOContext **dyn
uint8_t *buf; uint8_t *buf;
int size = avio_get_dyn_buf(*dyn_cp, &buf); int size = avio_get_dyn_buf(*dyn_cp, &buf);
put_ebml_num(pb, size, master.sizebytes); put_ebml_num(pb, size, 0);
avio_write(pb, buf, size); avio_write(pb, buf, size);
} }
...@@ -502,8 +502,7 @@ static int64_t mkv_write_seekhead(AVIOContext *pb, MatroskaMuxContext *mkv) ...@@ -502,8 +502,7 @@ static int64_t mkv_write_seekhead(AVIOContext *pb, MatroskaMuxContext *mkv)
} }
} }
if (start_ebml_master_crc32(pb, &dyn_cp, mkv, &metaseek, MATROSKA_ID_SEEKHEAD, if (start_ebml_master_crc32(pb, &dyn_cp, mkv, &metaseek, MATROSKA_ID_SEEKHEAD) < 0) {
seekhead->reserved_size) < 0) {
currentpos = -1; currentpos = -1;
goto fail; goto fail;
} }
...@@ -578,7 +577,7 @@ static int64_t mkv_write_cues(AVFormatContext *s, mkv_cues *cues, mkv_track *tra ...@@ -578,7 +577,7 @@ static int64_t mkv_write_cues(AVFormatContext *s, mkv_cues *cues, mkv_track *tra
int i, j, ret; int i, j, ret;
currentpos = avio_tell(pb); currentpos = avio_tell(pb);
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &cues_element, MATROSKA_ID_CUES, 0); ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &cues_element, MATROSKA_ID_CUES);
if (ret < 0) if (ret < 0)
return ret; return ret;
...@@ -1454,7 +1453,7 @@ static int mkv_write_tracks(AVFormatContext *s) ...@@ -1454,7 +1453,7 @@ static int mkv_write_tracks(AVFormatContext *s)
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = start_ebml_master_crc32(pb, &mkv->tracks_bc, mkv, &mkv->tracks_master, MATROSKA_ID_TRACKS, 0); ret = start_ebml_master_crc32(pb, &mkv->tracks_bc, mkv, &mkv->tracks_master, MATROSKA_ID_TRACKS);
if (ret < 0) if (ret < 0)
return ret; return ret;
...@@ -1490,7 +1489,7 @@ static int mkv_write_chapters(AVFormatContext *s) ...@@ -1490,7 +1489,7 @@ static int mkv_write_chapters(AVFormatContext *s)
ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_CHAPTERS, avio_tell(pb)); ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_CHAPTERS, avio_tell(pb));
if (ret < 0) return ret; if (ret < 0) return ret;
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &chapters, MATROSKA_ID_CHAPTERS, 0); ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &chapters, MATROSKA_ID_CHAPTERS);
if (ret < 0) return ret; if (ret < 0) return ret;
editionentry = start_ebml_master(dyn_cp, MATROSKA_ID_EDITIONENTRY, 0); editionentry = start_ebml_master(dyn_cp, MATROSKA_ID_EDITIONENTRY, 0);
...@@ -1581,7 +1580,7 @@ static int mkv_write_tag_targets(AVFormatContext *s, uint32_t elementid, ...@@ -1581,7 +1580,7 @@ static int mkv_write_tag_targets(AVFormatContext *s, uint32_t elementid,
ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_TAGS, avio_tell(s->pb)); ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_TAGS, avio_tell(s->pb));
if (ret < 0) return ret; if (ret < 0) return ret;
start_ebml_master_crc32(s->pb, &mkv->tags_bc, mkv, tags, MATROSKA_ID_TAGS, 0); start_ebml_master_crc32(s->pb, &mkv->tags_bc, mkv, tags, MATROSKA_ID_TAGS);
} }
pb = mkv->tags_bc; pb = mkv->tags_bc;
...@@ -1748,7 +1747,7 @@ static int mkv_write_attachments(AVFormatContext *s) ...@@ -1748,7 +1747,7 @@ static int mkv_write_attachments(AVFormatContext *s)
ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_ATTACHMENTS, avio_tell(pb)); ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_ATTACHMENTS, avio_tell(pb));
if (ret < 0) return ret; if (ret < 0) return ret;
ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &attachments, MATROSKA_ID_ATTACHMENTS, 0); ret = start_ebml_master_crc32(pb, &dyn_cp, mkv, &attachments, MATROSKA_ID_ATTACHMENTS);
if (ret < 0) return ret; if (ret < 0) return ret;
for (i = 0; i < s->nb_streams; i++) { for (i = 0; i < s->nb_streams; i++) {
...@@ -1907,7 +1906,7 @@ static int mkv_write_header(AVFormatContext *s) ...@@ -1907,7 +1906,7 @@ static int mkv_write_header(AVFormatContext *s)
ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_INFO, avio_tell(pb)); ret = mkv_add_seekhead_entry(mkv->seekhead, MATROSKA_ID_INFO, avio_tell(pb));
if (ret < 0) goto fail; if (ret < 0) goto fail;
ret = start_ebml_master_crc32(pb, &mkv->info_bc, mkv, &mkv->info, MATROSKA_ID_INFO, 0); ret = start_ebml_master_crc32(pb, &mkv->info_bc, mkv, &mkv->info, MATROSKA_ID_INFO);
if (ret < 0) if (ret < 0)
return ret; return ret;
pb = mkv->info_bc; pb = mkv->info_bc;
...@@ -2400,7 +2399,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt, int add_ ...@@ -2400,7 +2399,7 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt, int add_
if (mkv->cluster_pos == -1) { if (mkv->cluster_pos == -1) {
mkv->cluster_pos = avio_tell(s->pb); mkv->cluster_pos = avio_tell(s->pb);
ret = start_ebml_master_crc32(s->pb, &mkv->cluster_bc, mkv, &mkv->cluster, MATROSKA_ID_CLUSTER, 0); ret = start_ebml_master_crc32(s->pb, &mkv->cluster_bc, mkv, &mkv->cluster, MATROSKA_ID_CLUSTER);
if (ret < 0) if (ret < 0)
return ret; return ret;
put_ebml_uint(mkv->cluster_bc, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts)); put_ebml_uint(mkv->cluster_bc, MATROSKA_ID_CLUSTERTIMECODE, FFMAX(0, ts));
......
tests/fate/matroska.mak
View file @ 0b61ddb5
...@@ -4,7 +4,7 @@ ...@@ -4,7 +4,7 @@
FATE_MATROSKA-$(call DEMMUX, MATROSKA, MATROSKA) += fate-matroska-remux FATE_MATROSKA-$(call DEMMUX, MATROSKA, MATROSKA) += fate-matroska-remux
fate-matroska-remux: CMD = md5pipe -i $(TARGET_SAMPLES)/vp9-test-vectors/vp90-2-2pass-akiyo.webm -color_trc 4 -c:v copy -fflags +bitexact -strict -2 -f matroska fate-matroska-remux: CMD = md5pipe -i $(TARGET_SAMPLES)/vp9-test-vectors/vp90-2-2pass-akiyo.webm -color_trc 4 -c:v copy -fflags +bitexact -strict -2 -f matroska
fate-matroska-remux: CMP = oneline fate-matroska-remux: CMP = oneline
fate-matroska-remux: REF = 82a5beaf7a0fb5bb2970d9bba9028086 fate-matroska-remux: REF = e5457e5fa606d564a54914bd12f426c8
FATE_MATROSKA_FFPROBE-$(call ALLYES, MATROSKA_DEMUXER) += fate-matroska-spherical-mono FATE_MATROSKA_FFPROBE-$(call ALLYES, MATROSKA_DEMUXER) += fate-matroska-spherical-mono
fate-matroska-spherical-mono: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_entries stream_side_data_list -select_streams v -v 0 $(TARGET_SAMPLES)/mkv/spherical.mkv fate-matroska-spherical-mono: CMD = run ffprobe$(PROGSSUF)$(EXESUF) -show_entries stream_side_data_list -select_streams v -v 0 $(TARGET_SAMPLES)/mkv/spherical.mkv
......
tests/fate/wavpack.mak
View file @ 0b61ddb5
...@@ -91,12 +91,12 @@ fate-wavpack-matroskamode: CMD = md5 -i $(TARGET_SAMPLES)/wavpack/special/matros ...@@ -91,12 +91,12 @@ fate-wavpack-matroskamode: CMD = md5 -i $(TARGET_SAMPLES)/wavpack/special/matros
FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-mono FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-mono
fate-wavpack-matroska_mux-mono: CMD = md5pipe -i $(TARGET_SAMPLES)/wavpack/num_channels/mono_16bit_int.wv -c copy -fflags +bitexact -f matroska fate-wavpack-matroska_mux-mono: CMD = md5pipe -i $(TARGET_SAMPLES)/wavpack/num_channels/mono_16bit_int.wv -c copy -fflags +bitexact -f matroska
fate-wavpack-matroska_mux-mono: CMP = oneline fate-wavpack-matroska_mux-mono: CMP = oneline
fate-wavpack-matroska_mux-mono: REF = 942af4e88c4045e822508400545c47fd fate-wavpack-matroska_mux-mono: REF = c5a2b46d8b31c9c2e7bfb436f9d56f02
FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-61 FATE_WAVPACK-$(call DEMMUX, WV, MATROSKA) += fate-wavpack-matroska_mux-61
fate-wavpack-matroska_mux-61: CMD = md5pipe -i $(TARGET_SAMPLES)/wavpack/num_channels/eva_2.22_6.1_16bit-partial.wv -c copy -fflags +bitexact -f matroska fate-wavpack-matroska_mux-61: CMD = md5pipe -i $(TARGET_SAMPLES)/wavpack/num_channels/eva_2.22_6.1_16bit-partial.wv -c copy -fflags +bitexact -f matroska
fate-wavpack-matroska_mux-61: CMP = oneline fate-wavpack-matroska_mux-61: CMP = oneline
fate-wavpack-matroska_mux-61: REF = c874587c6172feb74df52230197396de fate-wavpack-matroska_mux-61: REF = 22fc2a591be22657d19cab89ad6eef55
FATE_SAMPLES_AVCONV += $(FATE_WAVPACK-yes) FATE_SAMPLES_AVCONV += $(FATE_WAVPACK-yes)
fate-wavpack: $(FATE_WAVPACK-yes) fate-wavpack: $(FATE_WAVPACK-yes)
tests/ref/fate/aac-autobsf-adtstoasc
View file @ 0b61ddb5
63292d538da403964777e17eb65deae7 *tests/data/fate/aac-autobsf-adtstoasc.matroska b09fc2f554712adbf84fe7899eb679d4 *tests/data/fate/aac-autobsf-adtstoasc.matroska
6721 tests/data/fate/aac-autobsf-adtstoasc.matroska 6695 tests/data/fate/aac-autobsf-adtstoasc.matroska
#extradata 0: 2, 0x0030001c #extradata 0: 2, 0x0030001c
#tb 0: 1/1000 #tb 0: 1/1000
#media_type 0: audio #media_type 0: audio
......
tests/ref/fate/binsub-mksenc
View file @ 0b61ddb5
1d0977e91873b77b4c78b61f4f3cdec5 a5811caa0caba3a3f9a449b91569745c
tests/ref/fate/rgb24-mkv
View file @ 0b61ddb5
a00bb0c1bc614872d2267ce9059ae3c7 *tests/data/fate/rgb24-mkv.matroska ffe2c21083d56764aaae7945fd146326 *tests/data/fate/rgb24-mkv.matroska
58336 tests/data/fate/rgb24-mkv.matroska 58305 tests/data/fate/rgb24-mkv.matroska
#tb 0: 1/10 #tb 0: 1/10
#media_type 0: video #media_type 0: video
#codec_id 0: rawvideo #codec_id 0: rawvideo
......
tests/ref/lavf/mka
View file @ 0b61ddb5
8b1992d17a836e07c1464dc1eb4595ac *tests/data/lavf/lavf.mka a91bfdb08ff5a1e62b039748d16b07f7 *tests/data/lavf/lavf.mka
43677 tests/data/lavf/lavf.mka 43652 tests/data/lavf/lavf.mka
tests/data/lavf/lavf.mka CRC=0x3a1da17e tests/data/lavf/lavf.mka CRC=0x3a1da17e
tests/ref/lavf/mkv
View file @ 0b61ddb5
c6d8a608b7d90820812962972926ef25 *tests/data/lavf/lavf.mkv 3cddd26ed41f34925d3f34acabab174e *tests/data/lavf/lavf.mkv
320596 tests/data/lavf/lavf.mkv 320555 tests/data/lavf/lavf.mkv
tests/data/lavf/lavf.mkv CRC=0xec6c3c68 tests/data/lavf/lavf.mkv CRC=0xec6c3c68
tests/ref/lavf/mkv_attachment
View file @ 0b61ddb5
27cb59473419ffb0b24fa1737ddcd6c7 *tests/data/lavf/lavf.mkv_attachment 4a25c53150c09537cd4fcbff8f8f14ff *tests/data/lavf/lavf.mkv_attachment
472752 tests/data/lavf/lavf.mkv_attachment 472706 tests/data/lavf/lavf.mkv_attachment
tests/data/lavf/lavf.mkv_attachment CRC=0xec6c3c68 tests/data/lavf/lavf.mkv_attachment CRC=0xec6c3c68
tests/ref/seek/lavf-mkv
View file @ 0b61ddb5
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 827 size: 208 ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 803 size: 208
ret: 0 st:-1 flags:0 ts:-1.000000 ret: 0 st:-1 flags:0 ts:-1.000000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret: 0 st:-1 flags:1 ts: 1.894167 ret: 0 st:-1 flags:1 ts: 1.894167
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret: 0 st: 0 flags:0 ts: 0.788000 ret: 0 st: 0 flags:0 ts: 0.788000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret: 0 st: 0 flags:1 ts:-0.317000 ret: 0 st: 0 flags:1 ts:-0.317000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret:-1 st: 1 flags:0 ts: 2.577000 ret:-1 st: 1 flags:0 ts: 2.577000
ret: 0 st: 1 flags:1 ts: 1.471000 ret: 0 st: 1 flags:1 ts: 1.471000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320310 size: 209 ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320276 size: 209
ret: 0 st:-1 flags:0 ts: 0.365002 ret: 0 st:-1 flags:0 ts: 0.365002
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 147016 size: 27925 ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146987 size: 27925
ret: 0 st:-1 flags:1 ts:-0.740831 ret: 0 st:-1 flags:1 ts:-0.740831
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret:-1 st: 0 flags:0 ts: 2.153000 ret:-1 st: 0 flags:0 ts: 2.153000
ret: 0 st: 0 flags:1 ts: 1.048000 ret: 0 st: 0 flags:1 ts: 1.048000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret: 0 st: 1 flags:0 ts:-0.058000 ret: 0 st: 1 flags:0 ts:-0.058000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 827 size: 208 ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 803 size: 208
ret: 0 st: 1 flags:1 ts: 2.836000 ret: 0 st: 1 flags:1 ts: 2.836000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320310 size: 209 ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320276 size: 209
ret:-1 st:-1 flags:0 ts: 1.730004 ret:-1 st:-1 flags:0 ts: 1.730004
ret: 0 st:-1 flags:1 ts: 0.624171 ret: 0 st:-1 flags:1 ts: 0.624171
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 147016 size: 27925 ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146987 size: 27925
ret: 0 st: 0 flags:0 ts:-0.482000 ret: 0 st: 0 flags:0 ts:-0.482000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret: 0 st: 0 flags:1 ts: 2.413000 ret: 0 st: 0 flags:1 ts: 2.413000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret:-1 st: 1 flags:0 ts: 1.307000 ret:-1 st: 1 flags:0 ts: 1.307000
ret: 0 st: 1 flags:1 ts: 0.201000 ret: 0 st: 1 flags:1 ts: 0.201000
ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 827 size: 208 ret: 0 st: 1 flags:1 dts: 0.000000 pts: 0.000000 pos: 803 size: 208
ret: 0 st:-1 flags:0 ts:-0.904994 ret: 0 st:-1 flags:0 ts:-0.904994
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret: 0 st:-1 flags:1 ts: 1.989173 ret: 0 st:-1 flags:1 ts: 1.989173
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret: 0 st: 0 flags:0 ts: 0.883000 ret: 0 st: 0 flags:0 ts: 0.883000
ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292469 size: 27834 ret: 0 st: 0 flags:1 dts: 0.971000 pts: 0.971000 pos: 292435 size: 27834
ret: 0 st: 0 flags:1 ts:-0.222000 ret: 0 st: 0 flags:1 ts:-0.222000
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
ret:-1 st: 1 flags:0 ts: 2.672000 ret:-1 st: 1 flags:0 ts: 2.672000
ret: 0 st: 1 flags:1 ts: 1.566000 ret: 0 st: 1 flags:1 ts: 1.566000
ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320310 size: 209 ret: 0 st: 1 flags:1 dts: 0.993000 pts: 0.993000 pos: 320276 size: 209
ret: 0 st:-1 flags:0 ts: 0.460008 ret: 0 st:-1 flags:0 ts: 0.460008
ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 147016 size: 27925 ret: 0 st: 0 flags:1 dts: 0.491000 pts: 0.491000 pos: 146987 size: 27925
ret: 0 st:-1 flags:1 ts:-0.645825 ret: 0 st:-1 flags:1 ts:-0.645825
ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1043 size: 27837 ret: 0 st: 0 flags:1 dts: 0.011000 pts: 0.011000 pos: 1019 size: 27837
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