On Sun, Jan 19, 2025 at 12:40 AM Zhao Zhili < quinkblack-at-foxmail....@ffmpeg.org> wrote:
> > > > On Jan 18, 2025, at 23:30, Nuo Mi <nuomi2...@gmail.com> wrote: > > > > Hi Zhili, > > Thank you for v2, > > +1 > > > > Nit: The if statement is too long. Move it after generate_missing_ref and > > break it up to simplify the logic. > > Put the check before generate_missing_ref is meant to avoid allocate frame > when it won’t be used. > > Temporary variable can be used to make the if check easier to read, while > temporary variable don’t have the benefit of short-circuit. The actual > performance > impact should be negligible, so here is v3: > > https://ffmpeg.org/pipermail/ffmpeg-devel/2025-January/338536.html 👍, pushed v3. > > > > like: > > > > if (!ref) { > > ref = generate_missing_ref(s, fc, poc); > > if (!ref) > > return AVERROR(ENOMEM); > > } > > + if (ref->flags & VVC_FRAME_FLAG_CORRUPT) { > > + if (!IS_CVSS(s) && (!s->no_output_before_recovery_flag || > > GDR_IS_RECOVERED(s))) { > > + if (!(s->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) && > > + !(s->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) { > > + return AVERROR_INVALIDDATA; > > + } > > + fc->ref->flags |= VVC_FRAME_FLAG_CORRUPT; > > + } > > + } > > > > On Wed, Jan 15, 2025 at 11:11 PM Zhao Zhili < > > quinkblack-at-foxmail....@ffmpeg.org> wrote: > > > >> From: Zhao Zhili <zhiliz...@tencent.com> > >> > >> --- > >> v2: Fix GDR stream. > >> > >> libavcodec/vvc/refs.c | 17 ++++++++++++++++- > >> libavcodec/vvc/refs.h | 1 + > >> 2 files changed, 17 insertions(+), 1 deletion(-) > >> > >> diff --git a/libavcodec/vvc/refs.c b/libavcodec/vvc/refs.c > >> index bc3b3d0d13..fb19a2d394 100644 > >> --- a/libavcodec/vvc/refs.c > >> +++ b/libavcodec/vvc/refs.c > >> @@ -47,6 +47,8 @@ void ff_vvc_unref_frame(VVCFrameContext *fc, VVCFrame > >> *frame, int flags) > >> return; > >> > >> frame->flags &= ~flags; > >> + if (!(frame->flags & ~VVC_FRAME_FLAG_CORRUPT)) > >> + frame->flags = 0; > >> if (!frame->flags) { > >> av_frame_unref(frame->frame); > >> av_refstruct_unref(&frame->sps); > >> @@ -248,6 +250,9 @@ int ff_vvc_output_frame(VVCContext *s, > VVCFrameContext > >> *fc, AVFrame *out, const > >> if (nb_output) { > >> VVCFrame *frame = &fc->DPB[min_idx]; > >> > >> + if (frame->flags & VVC_FRAME_FLAG_CORRUPT) > >> + frame->frame->flags |= AV_FRAME_FLAG_CORRUPT; > >> + > >> ret = av_frame_ref(out, frame->frame); > >> if (frame->flags & VVC_FRAME_FLAG_BUMPING) > >> ff_vvc_unref_frame(fc, frame, VVC_FRAME_FLAG_OUTPUT | > >> VVC_FRAME_FLAG_BUMPING); > >> @@ -357,7 +362,7 @@ static VVCFrame *generate_missing_ref(VVCContext *s, > >> VVCFrameContext *fc, int po > >> > >> frame->poc = poc; > >> frame->sequence = s->seq_decode; > >> - frame->flags = 0; > >> + frame->flags = VVC_FRAME_FLAG_CORRUPT; > >> > >> ff_vvc_report_frame_finished(frame); > >> > >> @@ -392,6 +397,16 @@ static int add_candidate_ref(VVCContext *s, > >> VVCFrameContext *fc, RefPicList *lis > >> if (ref == fc->ref || list->nb_refs >= VVC_MAX_REF_ENTRIES) > >> return AVERROR_INVALIDDATA; > >> > >> + if (!IS_CVSS(s) && (!ref || ref->flags & VVC_FRAME_FLAG_CORRUPT) && > >> + (!s->no_output_before_recovery_flag || GDR_IS_RECOVERED(s))) { > >> + if (!(s->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) && > >> + !(s->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) { > >> + return AVERROR_INVALIDDATA; > >> + } > >> + > >> + fc->ref->flags |= VVC_FRAME_FLAG_CORRUPT; > >> + } > >> + > >> if (!ref) { > >> ref = generate_missing_ref(s, fc, poc); > >> if (!ref) > >> diff --git a/libavcodec/vvc/refs.h b/libavcodec/vvc/refs.h > >> index e2271ab381..a3081a76be 100644 > >> --- a/libavcodec/vvc/refs.h > >> +++ b/libavcodec/vvc/refs.h > >> @@ -29,6 +29,7 @@ > >> #define VVC_FRAME_FLAG_SHORT_REF (1 << 1) > >> #define VVC_FRAME_FLAG_LONG_REF (1 << 2) > >> #define VVC_FRAME_FLAG_BUMPING (1 << 3) > >> +#define VVC_FRAME_FLAG_CORRUPT (1 << 4) > >> > >> int ff_vvc_output_frame(VVCContext *s, VVCFrameContext *fc, struct > >> AVFrame *out, int no_output_of_prior_pics_flag, int flush); > >> void ff_vvc_bump_frame(VVCContext *s, VVCFrameContext *fc); > >> -- > >> 2.46.0 > >> > >> _______________________________________________ > >> 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". > >> > > _______________________________________________ > > 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". > > _______________________________________________ > 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". > _______________________________________________ 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".