Jun 6, 2020, 17:21 by mich...@niedermayer.cc: > On Mon, Jun 01, 2020 at 06:19:52PM +0200, Michael Niedermayer wrote: > >> On Tue, Apr 28, 2020 at 08:20:37PM +0200, Lynne wrote: >> > Part of this patch is based on Paul B Mahol's patch from last year. >> > >> > This also allows for single-stream parameter/codec changes. >> > >> > Must be applied on top of the latest version of other 3 patches I sent >> > today. >> > >> >> > oggdec.c | 45 +++++++++++++++++++++++++-------------------- >> > oggdec.h | 1 + >> > oggparseopus.c | 1 + >> > 3 files changed, 27 insertions(+), 20 deletions(-) >> > ce692abc11552b4c35772e57051378e0fd1ddece >> > 0001-oggdec-add-support-for-proper-demuxing-of-chained-Op.patch >> > From 70dcc91b32c89cb580bf13f2c081fa8e74f226f9 Mon Sep 17 00:00:00 2001 >> > From: Lynne <d...@lynne.ee> >> > Date: Tue, 28 Apr 2020 12:25:46 +0100 >> > Subject: [PATCH] oggdec: add support for proper demuxing of chained Opus >> > files >> > and streams >> > >> > Part of this patch is based on Paul B Mahol's patch from last year. >> > >> > This also allows for single-stream parameter/codec changes. >> > --- >> > libavformat/oggdec.c | 45 +++++++++++++++++++++----------------- >> > libavformat/oggdec.h | 1 + >> > libavformat/oggparseopus.c | 1 + >> > 3 files changed, 27 insertions(+), 20 deletions(-) >> >> This causes out of array reads with >> https://samples.ffmpeg.org/V-codecs/Theora/theora_testsuite_broken/multi2.ogg >> >> ==5283== Invalid read of size 8 >> ==5283== at 0x640508: vorbis_packet (oggparsevorbis.c:413) >> ==5283== by 0x637546: ogg_packet (oggdec.c:589) >> ==5283== by 0x638392: ogg_read_packet (oggdec.c:824) >> ==5283== by 0x6A9211: ff_read_packet (utils.c:851) >> ==5283== by 0x6AC440: read_frame_internal (utils.c:1582) >> ==5283== by 0x6AD3F8: av_read_frame (utils.c:1784) >> ==5283== by 0x250B4B: get_input_packet (ffmpeg.c:4140) >> ==5283== by 0x251021: process_input (ffmpeg.c:4259) >> ==5283== by 0x253255: transcode_step (ffmpeg.c:4640) >> ==5283== by 0x2533D2: transcode (ffmpeg.c:4694) >> ==5283== by 0x253CE9: main (ffmpeg.c:4895) >> ==5283== Address 0x1680af68 is 8 bytes after a block of size 32 in arena >> "client" >> ==5283== >> > > ping >
Not sure how that's possible. The codec-specific parsing context just disappears? _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
