Message ID | 1591111618-15778-9-git-send-email-lance.lmwang@gmail.com |
---|---|
State | Superseded |
Headers | show |
Series | [FFmpeg-devel,v4,01/24] avcodec/h264dec: cosmetics | expand |
Context | Check | Description |
---|---|---|
andriy/default | pending | |
andriy/make | success | Make finished |
andriy/make_fate | success | Make fate finished |
On Tue, Jun 02, 2020 at 11:26:43PM +0800, lance.lmwang@gmail.com wrote: > From: Limin Wang <lance.lmwang@gmail.com> > > Signed-off-by: Limin Wang <lance.lmwang@gmail.com> > --- > libavcodec/h261dec.c | 1 + > libavcodec/h263dec.c | 4 ++-- > libavcodec/mpeg12dec.c | 9 ++++----- > libavcodec/mpeg4videodec.c | 3 ++- > libavcodec/mpegpicture.c | 1 - > libavcodec/mpegvideo.c | 2 -- > libavcodec/msmpeg4dec.c | 8 ++++---- > libavcodec/rv10.c | 2 ++ > libavcodec/svq1enc.c | 4 +--- > libavcodec/wmv2dec.c | 1 + > 10 files changed, 17 insertions(+), 18 deletions(-) this patch makes this ./ffmpeg -debug vis_qp -i ~/videos/mm-short.mpg -f framecrc - segfault [mpeg2video @ 0x2d2df4c0] [Eval @ 0x1ffeffe940] Undefined constant or missing '(' in 'vis_qp' [mpeg2video @ 0x2d2df4c0] Unable to parse option value "vis_qp" [mpeg2video @ 0x2d2df4c0] Error setting option debug to value vis_qp. ==28696== Invalid read of size 4 ==28696== at 0x909059: ff_mpeg_unref_picture (in ffmpeg_g) ==28696== by 0x90FC85: ff_mpv_common_end (in ffmpeg_g) ==28696== by 0x27868C: mpeg_decode_end (in ffmpeg_g) ==28696== by 0xA760F5: avcodec_open2 (in ffmpeg_g) ==28696== by 0x2F4DB3: transcode_init (in ffmpeg_g) ==28696== by 0x2F55F8: transcode (in ffmpeg_g) ==28696== by 0x2D043B: main (in ffmpeg_g) ==28696== Address 0x18 is not stack'd, malloc'd or (recently) free'd the video seems not to matter, if you cannot reproduce say so and ill provide more detailed debug information thx [...]
On Wed, Jun 03, 2020 at 12:43:34PM +0200, Michael Niedermayer wrote: > On Tue, Jun 02, 2020 at 11:26:43PM +0800, lance.lmwang@gmail.com wrote: > > From: Limin Wang <lance.lmwang@gmail.com> > > > > Signed-off-by: Limin Wang <lance.lmwang@gmail.com> > > --- > > libavcodec/h261dec.c | 1 + > > libavcodec/h263dec.c | 4 ++-- > > libavcodec/mpeg12dec.c | 9 ++++----- > > libavcodec/mpeg4videodec.c | 3 ++- > > libavcodec/mpegpicture.c | 1 - > > libavcodec/mpegvideo.c | 2 -- > > libavcodec/msmpeg4dec.c | 8 ++++---- > > libavcodec/rv10.c | 2 ++ > > libavcodec/svq1enc.c | 4 +--- > > libavcodec/wmv2dec.c | 1 + > > 10 files changed, 17 insertions(+), 18 deletions(-) > > this patch makes this > ./ffmpeg -debug vis_qp -i ~/videos/mm-short.mpg -f framecrc - > segfault > > [mpeg2video @ 0x2d2df4c0] [Eval @ 0x1ffeffe940] Undefined constant or missing '(' in 'vis_qp' > [mpeg2video @ 0x2d2df4c0] Unable to parse option value "vis_qp" > [mpeg2video @ 0x2d2df4c0] Error setting option debug to value vis_qp. > ==28696== Invalid read of size 4 > ==28696== at 0x909059: ff_mpeg_unref_picture (in ffmpeg_g) > ==28696== by 0x90FC85: ff_mpv_common_end (in ffmpeg_g) > ==28696== by 0x27868C: mpeg_decode_end (in ffmpeg_g) > ==28696== by 0xA760F5: avcodec_open2 (in ffmpeg_g) > ==28696== by 0x2F4DB3: transcode_init (in ffmpeg_g) > ==28696== by 0x2F55F8: transcode (in ffmpeg_g) > ==28696== by 0x2D043B: main (in ffmpeg_g) > ==28696== Address 0x18 is not stack'd, malloc'd or (recently) free'd > > the video seems not to matter, > if you cannot reproduce say so and ill provide more detailed debug information thanks, have reproduced it, will fix it. > > thx > > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > While the State exists there can be no freedom; when there is freedom there > will be no State. -- Vladimir Lenin > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
On Wed, Jun 03, 2020 at 12:43:34PM +0200, Michael Niedermayer wrote: > On Tue, Jun 02, 2020 at 11:26:43PM +0800, lance.lmwang@gmail.com wrote: > > From: Limin Wang <lance.lmwang@gmail.com> > > > > Signed-off-by: Limin Wang <lance.lmwang@gmail.com> > > --- > > libavcodec/h261dec.c | 1 + > > libavcodec/h263dec.c | 4 ++-- > > libavcodec/mpeg12dec.c | 9 ++++----- > > libavcodec/mpeg4videodec.c | 3 ++- > > libavcodec/mpegpicture.c | 1 - > > libavcodec/mpegvideo.c | 2 -- > > libavcodec/msmpeg4dec.c | 8 ++++---- > > libavcodec/rv10.c | 2 ++ > > libavcodec/svq1enc.c | 4 +--- > > libavcodec/wmv2dec.c | 1 + > > 10 files changed, 17 insertions(+), 18 deletions(-) > > this patch makes this > ./ffmpeg -debug vis_qp -i ~/videos/mm-short.mpg -f framecrc - > segfault > > [mpeg2video @ 0x2d2df4c0] [Eval @ 0x1ffeffe940] Undefined constant or missing '(' in 'vis_qp' > [mpeg2video @ 0x2d2df4c0] Unable to parse option value "vis_qp" > [mpeg2video @ 0x2d2df4c0] Error setting option debug to value vis_qp. > ==28696== Invalid read of size 4 > ==28696== at 0x909059: ff_mpeg_unref_picture (in ffmpeg_g) > ==28696== by 0x90FC85: ff_mpv_common_end (in ffmpeg_g) > ==28696== by 0x27868C: mpeg_decode_end (in ffmpeg_g) > ==28696== by 0xA760F5: avcodec_open2 (in ffmpeg_g) > ==28696== by 0x2F4DB3: transcode_init (in ffmpeg_g) > ==28696== by 0x2F55F8: transcode (in ffmpeg_g) > ==28696== by 0x2D043B: main (in ffmpeg_g) > ==28696== Address 0x18 is not stack'd, malloc'd or (recently) free'd > > the video seems not to matter, > if you cannot reproduce say so and ill provide more detailed debug information Have fixed the dump, for mpeg_decode_init may failed,so I remove the s->mpeg_enc_ctx_allocated checking in the mpeg_decode_end() to clean memory before failed, but it'll cause s->avctx is NULL and it hasn't been checked in ff_mpv_common_end(). > > thx > > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > While the State exists there can be no freedom; when there is freedom there > will be no State. -- Vladimir Lenin > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
diff --git a/libavcodec/h261dec.c b/libavcodec/h261dec.c index 14a874c..8a49e7d 100644 --- a/libavcodec/h261dec.c +++ b/libavcodec/h261dec.c @@ -686,5 +686,6 @@ AVCodec ff_h261_decoder = { .close = h261_decode_end, .decode = h261_decode_frame, .capabilities = AV_CODEC_CAP_DR1, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, }; diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c index 31ac563..3b29a18 100644 --- a/libavcodec/h263dec.c +++ b/libavcodec/h263dec.c @@ -770,7 +770,7 @@ AVCodec ff_h263_decoder = { .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .flush = ff_mpeg_flush, .max_lowres = 3, .pix_fmts = ff_h263_hwaccel_pixfmt_list_420, @@ -788,7 +788,7 @@ AVCodec ff_h263p_decoder = { .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .flush = ff_mpeg_flush, .max_lowres = 3, .pix_fmts = ff_h263_hwaccel_pixfmt_list_420, diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 40d054d..4814e3b 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -2876,8 +2876,7 @@ static av_cold int mpeg_decode_end(AVCodecContext *avctx) { Mpeg1Context *s = avctx->priv_data; - if (s->mpeg_enc_ctx_allocated) - ff_mpv_common_end(&s->mpeg_enc_ctx); + ff_mpv_common_end(&s->mpeg_enc_ctx); av_freep(&s->a53_caption); return 0; } @@ -2894,7 +2893,7 @@ AVCodec ff_mpeg1video_decoder = { .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .flush = flush, .max_lowres = 3, .update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context), @@ -2927,7 +2926,7 @@ AVCodec ff_mpeg2video_decoder = { .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .flush = flush, .max_lowres = 3, .profiles = NULL_IF_CONFIG_SMALL(ff_mpeg2_video_profiles), @@ -2971,7 +2970,7 @@ AVCodec ff_mpegvideo_decoder = { .close = mpeg_decode_end, .decode = mpeg_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_SLICE_THREADS, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .flush = flush, .max_lowres = 3, }; diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c index 7e52bbe..4593477 100644 --- a/libavcodec/mpeg4videodec.c +++ b/libavcodec/mpeg4videodec.c @@ -3594,7 +3594,8 @@ AVCodec ff_mpeg4_decoder = { AV_CODEC_CAP_TRUNCATED | AV_CODEC_CAP_DELAY | AV_CODEC_CAP_FRAME_THREADS, .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | - FF_CODEC_CAP_ALLOCATE_PROGRESS, + FF_CODEC_CAP_ALLOCATE_PROGRESS | + FF_CODEC_CAP_INIT_CLEANUP, .flush = ff_mpeg_flush, .max_lowres = 3, .pix_fmts = ff_h263_hwaccel_pixfmt_list_420, diff --git a/libavcodec/mpegpicture.c b/libavcodec/mpegpicture.c index 5fce25e..be90ece 100644 --- a/libavcodec/mpegpicture.c +++ b/libavcodec/mpegpicture.c @@ -90,7 +90,6 @@ int ff_mpeg_framesize_alloc(AVCodecContext *avctx, MotionEstContext *me, return 0; fail: - av_freep(&sc->edge_emu_buffer); return AVERROR(ENOMEM); } diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 49fd1c9..34dfda5 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -991,7 +991,6 @@ av_cold int ff_mpv_common_init(MpegEncContext *s) fail_nomem: ret = AVERROR(ENOMEM); fail: - ff_mpv_common_end(s); return ret; } @@ -1123,7 +1122,6 @@ int ff_mpv_common_frame_size_change(MpegEncContext *s) return 0; fail: - ff_mpv_common_end(s); return err; } diff --git a/libavcodec/msmpeg4dec.c b/libavcodec/msmpeg4dec.c index 16b6719..49df06a 100644 --- a/libavcodec/msmpeg4dec.c +++ b/libavcodec/msmpeg4dec.c @@ -888,7 +888,7 @@ AVCodec ff_msmpeg4v1_decoder = { .close = ff_h263_decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, @@ -906,7 +906,7 @@ AVCodec ff_msmpeg4v2_decoder = { .close = ff_h263_decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, @@ -924,7 +924,7 @@ AVCodec ff_msmpeg4v3_decoder = { .close = ff_h263_decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, @@ -942,7 +942,7 @@ AVCodec ff_wmv1_decoder = { .close = ff_h263_decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1, - .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM, + .caps_internal = FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM | FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index 3b41d30..e594160 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -801,6 +801,7 @@ AVCodec ff_rv10_decoder = { .close = rv10_decode_end, .decode = rv10_decode_frame, .capabilities = AV_CODEC_CAP_DR1, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, @@ -818,6 +819,7 @@ AVCodec ff_rv20_decoder = { .close = rv10_decode_end, .decode = rv10_decode_frame, .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .flush = ff_mpeg_flush, .max_lowres = 3, .pix_fmts = (const enum AVPixelFormat[]) { diff --git a/libavcodec/svq1enc.c b/libavcodec/svq1enc.c index 6510135..aa5a283 100644 --- a/libavcodec/svq1enc.c +++ b/libavcodec/svq1enc.c @@ -528,7 +528,6 @@ static av_cold int svq1_encode_init(AVCodecContext *avctx) s->current_picture = av_frame_alloc(); s->last_picture = av_frame_alloc(); if (!s->current_picture || !s->last_picture) { - svq1_encode_end(avctx); return AVERROR(ENOMEM); } @@ -545,7 +544,6 @@ static av_cold int svq1_encode_init(AVCodecContext *avctx) s->m.avctx = avctx; if ((ret = ff_mpv_common_init(&s->m)) < 0) { - svq1_encode_end(avctx); return ret; } @@ -563,7 +561,6 @@ static av_cold int svq1_encode_init(AVCodecContext *avctx) if (!s->m.me.temp || !s->m.me.scratchpad || !s->m.me.map || !s->m.me.score_map || !s->mb_type || !s->dummy) { - svq1_encode_end(avctx); return AVERROR(ENOMEM); } @@ -691,6 +688,7 @@ AVCodec ff_svq1_encoder = { .init = svq1_encode_init, .encode2 = svq1_encode_frame, .close = svq1_encode_end, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV410P, AV_PIX_FMT_NONE }, }; diff --git a/libavcodec/wmv2dec.c b/libavcodec/wmv2dec.c index afa6547..a16c446 100644 --- a/libavcodec/wmv2dec.c +++ b/libavcodec/wmv2dec.c @@ -537,6 +537,7 @@ AVCodec ff_wmv2_decoder = { .close = wmv2_decode_end, .decode = ff_h263_decode_frame, .capabilities = AV_CODEC_CAP_DRAW_HORIZ_BAND | AV_CODEC_CAP_DR1, + .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, };