https://bugs.kde.org/show_bug.cgi?id=456804
Bug ID: 456804
Summary: Can't load any video, saying 'option refcounted_frames
not found'
Product: subtitlecomposer
Version: 0.7.1
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: max...@smoothware.net
Reporter: wangp...@outlook.com
Target Milestone: ---
# SUMMARY
I can't load any video in subtitlecomposer, and the error log said 'option
refcounted_frames not found'.
# STEPS TO REPRODUCE
1. install subtitlecomposer by aur
2. try opening a video in subtitlecomposer
# OBSERVED RESULT
the only thing i get is a black frame, and hitting the play button has no
effects.
i've also tried launching subtitlecomposer from a shell (in order to view debug
information), and when i open a video, it showed an ffmpeg output which
explained the infomation about the video, followed by a red warning, 'option
refcounted_frames not found'.
# EXPECTED RESULT
the video and waveform beside it should be loaded correctly.
# SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 5.25
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.5
FFmpeg Version: 2:5.0.1-3 (archlinux package)
# ADDITIONAL INFORMATION
The first video I want to load is an ripped 'A Slient Voice' movie:
```
Input #0, matroska,webm, from '/home/tis/Videos/[VCB-Studio] Koe no Katachi
[Ma10p_1080p]/[VCB-Studio] Koe no Katachi [Ma10p_1080p][x265_flac].mkv':
Metadata:
encoder : libebml v1.3.9 + libmatroska v1.5.2
creation_time : 2020-02-18T13:20:44.000000Z
Duration: 02:09:42.78, start: 0.000000, bitrate: 5705 kb/s
Chapters:
Chapter #0:0: start 0.000000, end 790.081000
Metadata:
title : はじまり
Chapter #0:1: start 790.081000, end 1375.374000
Metadata:
title : 怪獣のバラード
Chapter #0:2: start 1375.374000, end 2090.338000
Metadata:
title : 再会
Chapter #0:3: start 2090.338000, end 2674.171000
Metadata:
title : 会う理由
Chapter #0:4: start 2674.171000, end 3188.143000
Metadata:
title : 妹
Chapter #0:5: start 3188.143000, end 3838.710000
Metadata:
title : 佐原と植野
Chapter #0:6: start 3838.710000, end 4537.283000
Metadata:
title : ポニーテール
Chapter #0:7: start 4537.283000, end 5403.189000
Metadata:
title : 自分が嫌い
Chapter #0:8: start 5403.189000, end 6273.601000
Metadata:
title : どうすれば良かったの
Chapter #0:9: start 6273.601000, end 6985.812000
Metadata:
title : 泣かないでよ、西宮
Chapter #0:10: start 6985.812000, end 7556.048000
Metadata:
title : the shape of voice
Chapter #0:11: start 7556.048000, end 7782.784000
Metadata:
title : エンディング
Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv, bt709/unknown/unknown),
1920x1036, SAR 1:1 DAR 480:259, 23.98 fps, 23.98 tbr, 1k tbn (default)
Metadata:
BPS-eng : 4316099
DURATION-eng : 02:09:42.775000000
NUMBER_OF_FRAMES-eng: 186600
NUMBER_OF_BYTES-eng: 4198904281
_STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-02-18 13:20:44
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream #0:1(jpn): Audio: flac, 48000 Hz, stereo, s32 (24 bit) (default)
Metadata:
title : Original 2.0ch
BPS-eng : 1363064
DURATION-eng : 02:09:42.784000000
NUMBER_OF_FRAMES-eng: 91205
NUMBER_OF_BYTES-eng: 1326055003
_STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-02-18 13:20:44
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
Stream #0:2(jpn): Subtitle: hdmv_pgs_subtitle (default)
Metadata:
BPS-eng : 51125
DURATION-eng : 02:09:08.032000000
NUMBER_OF_FRAMES-eng: 4659
NUMBER_OF_BYTES-eng: 49515173
_STATISTICS_WRITING_APP-eng: mkvmerge v40.0.0 ('Old Town Road + Pony')
64-bit
_STATISTICS_WRITING_DATE_UTC-eng: 2020-02-18 13:20:44
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
```
At first I thought if it is too big (5.2 GiB), and then I replaced it with a
much smaller video:
```
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/mnt/veracrypt3/雷霆行动/DSCF4329_x264.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf59.16.100
Duration: 00:06:05.00, start: 0.000000, bitrate: 2000 kb/s
Stream #0:0[0x1](und): Video: h264 (High 4:2:2) (avc1 / 0x31637661),
yuvj422p(pc, bt470bg/unknown/unknown, progressive), 1280x720, 1802 kb/s, 24
fps, 24 tbr, 500k tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo,
fltp, 191 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
```
Still stucked. So I traced the error log, and wrote a simple patch attempting
to commend some lines in src/videoplayer/backend/streamdemuxer.cpp
```
289 //if(avCtx->codec_type == AVMEDIA_TYPE_VIDEO || avCtx->codec_type ==
AVMEDIA_TYPE_AUDIO)
290 // av_dict_set(&opts, "refcounted_frames", "1", 0);
```
After recompile and reinstalling, the problem has gone, but I don't know what
the side effect is.
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