Message ID | 411082922.1517806.1708972592599@mail.yahoo.com |
---|---|
State | New |
Headers | show |
Series | [FFmpeg-devel] avformat/webvttdec: Skip more parts of header to let parsing continue | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
Den måndag 26 februari 2024 kl. 19:36:58 CET, Kristoffer Brånemyr via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> skrev: >Hi, >Here is a short patch to skip more parts of the header for the WebVTT subtitle format. Without this the parser seems to stop and no subtitles are produced for the user.You can find the WebVTT specification here: WebVTT: The Web Video Text Tracks Format >>WebVTT: The Web Video Text Tracks Format> > >| > >| > >| > > >I attach an example file using the STYLE header part. >I verified that with this change, I can see the subtitles using mpv. > >I tried to run fate, but even without my changes it seems to fail? > Hi again, Did anyone get a chance to look at this patch? It's a small patch, only adding two lines. Looks like the URL to the WebVTT specification got broken last time by the webmail I use, I hope this time it will work better: https://www.w3.org/TR/webvtt1/#file-structure Thanks! -- /Kristoffer Brånemyr
On Mon, 11 Mar 2024, Kristoffer Brånemyr via ffmpeg-devel wrote: > > Den måndag 26 februari 2024 kl. 19:36:58 CET, Kristoffer Brånemyr via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> skrev: > > >> Hi, >> Here is a short patch to skip more parts of the header for the WebVTT subtitle format. Without this the parser seems to stop and no subtitles are produced for the user.You can find the WebVTT specification here: WebVTT: The Web Video Text Tracks Format >>> WebVTT: The Web Video Text Tracks Format> >> > >| >> > >| >> > >| >> >> >> I attach an example file using the STYLE header part. >> I verified that with this change, I can see the subtitles using mpv. >> >> I tried to run fate, but even without my changes it seems to fail? >> > > Hi again, > > Did anyone get a chance to look at this patch? It's a small patch, only adding two lines. > > Looks like the URL to the WebVTT specification got broken last time by the webmail I use, I hope this time it will work better: > https://www.w3.org/TR/webvtt1/#file-structure Will apply. Thanks, Marton
From 416d9ae6a57887de0641b9b7ef6a353d95ae7e61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristoffer=20Br=C3=A5nemyr?= <ztion1@yahoo.se> Date: Mon, 26 Feb 2024 18:05:38 +0100 Subject: [PATCH] avformat/webvttdec: Skip more parts of header to let parsing continue MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Kristoffer Brånemyr <ztion1@yahoo.se> --- libavformat/webvttdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/webvttdec.c b/libavformat/webvttdec.c index fbe7ce316c..3665c9086b 100644 --- a/libavformat/webvttdec.c +++ b/libavformat/webvttdec.c @@ -94,6 +94,8 @@ static int webvtt_read_header(AVFormatContext *s) /* ignore header chunk */ if (!strncmp(p, "\xEF\xBB\xBFWEBVTT", 9) || !strncmp(p, "WEBVTT", 6) || + !strncmp(p, "STYLE", 5) || + !strncmp(p, "REGION", 6) || !strncmp(p, "NOTE", 4)) continue; -- 2.36.1