From: "Wang, Fei W" <fei.w.wang-at-intel.com@ffmpeg.org>
To: "ffmpeg-devel@ffmpeg.org" <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v1 03/13] lavc/hevc_ps: Add SPS/PPS parse support for HEVC extension syntax
Date: Fri, 2 Dec 2022 00:58:48 +0000
Message-ID: <33a5c599c7145eb0be192043c6eba0bc7acd6946.camel@intel.com> (raw)
In-Reply-To: <20221202002159.GT3806951@pb2>
On Fri, 2022-12-02 at 01:21 +0100, Michael Niedermayer wrote:
> On Thu, Dec 01, 2022 at 04:13:58PM +0800, Fei Wang wrote:
> > From: Linjie Fu <linjie.fu@intel.com>
> >
> > 1. Add extension syntax according to 7.3.2.2.3/7.3.2.3.3 in T-REC-
> > H.265-201911.
> > 2. Keep using parsed PPS when bitstream overread for compatibility.
> > For
> > example, the clip PS_A_VIDYO_3.bit in FATE test has incomplete
> > extension
> > syntax which will be overread and un-decodable if without this
> > change.
> > 3. Format brace in pps_range_extensions().
> >
> > Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>
> > Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
> > Signed-off-by: Fei Wang <fei.w.wang@intel.com>
> > ---
> > libavcodec/hevc.h | 3 +
> > libavcodec/hevc_ps.c | 293
> > +++++++++++++++++++++++++++++++++++++++++--
> > libavcodec/hevc_ps.h | 69 ++++++++++
> > 3 files changed, 357 insertions(+), 8 deletions(-)
>
> This causes segfaults
>
> shortened stack trace looks like this,
> seems like classic stack overflow from infinite recursion
Thanks Michael, Could you send me the clip caused this issue?
Fei
>
> #0 0x0000555556403d10 in colour_mapping_octants ()
> #1 0x0000555556403d15 in colour_mapping_octants ()
> #2 0x0000555556403d15 in colour_mapping_octants ()
> #3 0x0000555556403d15 in colour_mapping_octants ()
> #4 0x0000555556403d15 in colour_mapping_octants ()
> #5 0x0000555556403d15 in colour_mapping_octants ()
> #6 0x0000555556403d15 in colour_mapping_octants ()
> #7 0x0000555556403d15 in colour_mapping_octants ()
> #8 0x0000555556403d15 in colour_mapping_octants ()
> #9 0x0000555556403d15 in colour_mapping_octants ()
> #10 0x0000555556403d15 in colour_mapping_octants ()
> #11 0x0000555556403d15 in colour_mapping_octants ()
> #12 0x0000555556403d15 in colour_mapping_octants ()
> ...
>
>
> [...]
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next prev parent reply other threads:[~2022-12-02 0:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-01 8:13 [FFmpeg-devel] [PATCH v1 01/13] lavc/hevc_ps: remove profile limitation of pps_range_extensions() Fei Wang
2022-12-01 8:13 ` [FFmpeg-devel] [PATCH v1 02/13] lavc/avcodec: Add HEVC Screen Content Coding Extensions profile Fei Wang
2022-12-01 8:13 ` [FFmpeg-devel] [PATCH v1 03/13] lavc/hevc_ps: Add SPS/PPS parse support for HEVC extension syntax Fei Wang
2022-12-02 0:21 ` Michael Niedermayer
2022-12-02 0:58 ` Wang, Fei W [this message]
2022-12-02 5:06 ` Michael Niedermayer
2022-12-02 1:22 ` James Almer
2022-12-02 1:52 ` James Almer
2022-12-05 6:11 ` Wang, Fei W
2022-12-01 8:13 ` [FFmpeg-devel] [PATCH v1 04/13] lavc/hevcdec: Add slice parse support for HEVC SCC extension Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 05/13] lavc/hevcdec: Fix the parsing for use_integer_mv_flag Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 06/13] lavc/hevcdec: Set max_num_merge_cand to uint8_t Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 07/13] lavc/hevc: Update reference list for SCC Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 08/13] lavc/vaapi_hevc: Pass SCC parameters Through VA-API Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 09/13] lavc/vaapi_hevc: Add vaapi profile parse support for SCC Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 10/13] lavc/vaapi_hevc: Set correct rps type for scc Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 11/13] lavc/vaapi_hevc: Loose the restricts for SCC decoding Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 12/13] avcodec/hevcdec: Replace number with enum Fei Wang
2022-12-01 8:14 ` [FFmpeg-devel] [PATCH v1 13/13] lavc/vaapi_hevc: Remove duplicate code Fei Wang
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