[FFmpeg-trac] #5988(avformat:open): hls muxer: missing EXT-X-DISCONTINUITY tag after playlist append
FFmpeg
trac at avcodec.org
Mon Dec 5 01:09:09 EET 2016
#5988: hls muxer: missing EXT-X-DISCONTINUITY tag after playlist append
-------------------------------------+-------------------------------------
Reporter: pero | Owner: stevenliu
Type: enhancement | Status: open
Priority: wish | Component: avformat
Version: git-master | Resolution:
Keywords: hls | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by stevenliu):
localhost:hlsenc StevenLiu$
localhost:hlsenc StevenLiu$ rm -rf output*;./ffmpeg -i
~/Movies/objectC/facebook.mp4 -an -c:v copy -f hls -hls_time 4
-hls_list_size 5 -hls_flags +delete_segments -hls_flags +append_list
-hls_flags +omit_endlist -hls_flags +discont_start -t 50 output.m3u8
ffmpeg version N-82759-g1f5630a Copyright (c) 2000-2016 the FFmpeg
developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --enable-libass --enable-opengl --enable-libx264
--enable-libmp3lame --enable-gpl --enable-nonfree --prefix=/usr/local
--enable-libopencv --enable-libtesseract --enable-libspeex --enable-
libfreetype --enable-libfontconfig --enable-libfdk-aac
libavutil 55. 41.101 / 55. 41.101
libavcodec 57. 66.109 / 57. 66.109
libavformat 57. 58.101 / 57. 58.101
libavdevice 57. 2.100 / 57. 2.100
libavfilter 6. 68.100 / 6. 68.100
libswscale 4. 3.101 / 4. 3.101
libswresample 2. 4.100 / 2. 4.100
libpostproc 54. 2.100 / 54. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Users/StevenLiu/Movies/objectC/facebook.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf55.22.102
description : This File is Created by Easy RealMedia Tools@!
Duration: 02:00:27.85, start: 0.000000, bitrate: 893 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
640x480, 797 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
stereo, fltp, 87 kb/s (default)
Metadata:
handler_name : SoundHandler
Output #0, hls, to 'output.m3u8':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
description : This File is Created by Easy RealMedia Tools@!
encoder : Lavf57.58.101
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
640x480, q=2-31, 797 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame= 1252 fps=0.0 q=-1.0 Lsize=N/A time=00:00:49.96 bitrate=N/A speed=
676x
video:4842kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
localhost:hlsenc StevenLiu$
localhost:hlsenc StevenLiu$ cat output.m3u8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:9
#EXT-X-MEDIA-SEQUENCE:2
#EXTINF:3.240000,
output2.ts
#EXTINF:8.400000,
output3.ts
#EXTINF:5.480000,
output4.ts
#EXTINF:8.760000,
output5.ts
#EXTINF:4.120000,
output6.ts
localhost:hlsenc StevenLiu$ ./ffmpeg -i ~/Movies/objectC/facebook.mp4 -an
-c:v libx264 -g 4 -f hls -hls_time 4 -hls_list_size 5 -hls_flags
+delete_segments -hls_flags +append_list -hls_flags +omit_endlist
-hls_flags +discont_start -t 5 output.m3u8
ffmpeg version N-82759-g1f5630a Copyright (c) 2000-2016 the FFmpeg
developers
built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
configuration: --enable-libass --enable-opengl --enable-libx264
--enable-libmp3lame --enable-gpl --enable-nonfree --prefix=/usr/local
--enable-libopencv --enable-libtesseract --enable-libspeex --enable-
libfreetype --enable-libfontconfig --enable-libfdk-aac
libavutil 55. 41.101 / 55. 41.101
libavcodec 57. 66.109 / 57. 66.109
libavformat 57. 58.101 / 57. 58.101
libavdevice 57. 2.100 / 57. 2.100
libavfilter 6. 68.100 / 6. 68.100
libswscale 4. 3.101 / 4. 3.101
libswresample 2. 4.100 / 2. 4.100
libpostproc 54. 2.100 / 54. 2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Users/StevenLiu/Movies/objectC/facebook.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf55.22.102
description : This File is Created by Easy RealMedia Tools@!
Duration: 02:00:27.85, start: 0.000000, bitrate: 893 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
640x480, 797 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
stereo, fltp, 87 kb/s (default)
Metadata:
handler_name : SoundHandler
[libx264 @ 0x7f9fc8005e00] using cpu capabilities: MMX2 SSE2Fast SSSE3
SSE4.2 AVX AVX2 FMA3 LZCNT BMI2
[libx264 @ 0x7f9fc8005e00] profile High, level 3.0
Output #0, hls, to 'output.m3u8':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
description : This File is Created by Easy RealMedia Tools@!
encoder : Lavf57.58.101
Stream #0:0(und): Video: h264 (libx264), yuv420p, 640x480, q=-1--1, 25
fps, 90k tbn, 25 tbc (default)
Metadata:
handler_name : VideoHandler
encoder : Lavc57.66.109 libx264
Side data:
cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 125 fps= 77 q=-1.0 Lsize=N/A time=00:00:04.88 bitrate=N/A
speed=3.02x
video:561kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
[libx264 @ 0x7f9fc8005e00] frame I:32 Avg QP:17.64 size: 14492
[libx264 @ 0x7f9fc8005e00] frame P:58 Avg QP:21.00 size: 1740
[libx264 @ 0x7f9fc8005e00] frame B:35 Avg QP:17.34 size: 265
[libx264 @ 0x7f9fc8005e00] consecutive B-frames: 56.0% 8.0% 36.0% 0.0%
[libx264 @ 0x7f9fc8005e00] mb I I16..4: 60.6% 25.6% 13.8%
[libx264 @ 0x7f9fc8005e00] mb P I16..4: 10.1% 5.7% 0.3% P16..4: 21.3%
4.9% 0.9% 0.0% 0.0% skip:56.9%
[libx264 @ 0x7f9fc8005e00] mb B I16..4: 0.1% 0.0% 0.0% B16..8: 7.5%
0.4% 0.1% direct: 0.5% skip:91.3% L0:32.4% L1:64.6% BI: 2.9%
[libx264 @ 0x7f9fc8005e00] 8x8 transform intra:27.9% inter:87.9%
[libx264 @ 0x7f9fc8005e00] coded y,uvDC,uvAC intra: 25.0% 46.0% 18.9%
inter: 4.4% 9.1% 0.0%
[libx264 @ 0x7f9fc8005e00] i16 v,h,dc,p: 59% 11% 5% 25%
[libx264 @ 0x7f9fc8005e00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 17% 16% 5%
6% 8% 5% 6% 4%
[libx264 @ 0x7f9fc8005e00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 32% 24% 13% 4%
6% 6% 5% 6% 5%
[libx264 @ 0x7f9fc8005e00] i8c dc,h,v,p: 69% 17% 11% 3%
[libx264 @ 0x7f9fc8005e00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7f9fc8005e00] ref P L0: 89.1% 4.5% 5.0% 1.4%
[libx264 @ 0x7f9fc8005e00] ref B L1: 96.0% 4.0%
[libx264 @ 0x7f9fc8005e00] kb/s:918.34
localhost:hlsenc StevenLiu$ cat output.m3u8
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:9
#EXT-X-MEDIA-SEQUENCE:4
#EXTINF:5.480000,
output4.ts
#EXTINF:8.760000,
output5.ts
#EXTINF:4.120000,
output6.ts
#EXT-X-DISCONTINUITY
#EXTINF:4.000000,
output7.ts
#EXTINF:0.960000,
output8.ts
localhost:hlsenc StevenLiu$
This is after patch result.
Double check it please.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5988#comment:7>
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