Message ID | 20230418153351.2350679-1-mypopydev@gmail.com |
---|---|
State | Accepted |
Commit | de5e2570f07ec1d801c739e13a98ec717899fb3f |
Headers | show |
Series | [FFmpeg-devel,1/2] lavc/libopenh264: Support full range videos in transcoding | 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 |
> On Apr 18, 2023, at 23:33, Jun Zhao <mypopydev@gmail.com> wrote: > > Support full range videos when transcoding, enabled the > YUVJ420P to avoid auto scale from YUVJ420P to YUV420P According to "Towards YUVJ removal" http://ffmpeg.org/pipermail/ffmpeg-devel/2022-December/304718.html > So, as was discussed at the last meeting, we should move towards removing YUVJ. However, it looks like there is no much progress since then. > > Signed-off-by: Jun Zhao <barryjzhao@tencent.com> > --- > libavcodec/libopenh264enc.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c > index 8b4755f5ba..cccc11fbb7 100644 > --- a/libavcodec/libopenh264enc.c > +++ b/libavcodec/libopenh264enc.c > @@ -311,10 +311,12 @@ static av_cold int svc_encode_init(AVCodecContext *avctx) > > #if OPENH264_VER_AT_LEAST(1, 6) > param.sSpatialLayers[0].uiVideoFormat = VF_UNDEF; > + > if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED) { > param.sSpatialLayers[0].bVideoSignalTypePresent = true; > param.sSpatialLayers[0].bFullRange = (avctx->color_range == AVCOL_RANGE_JPEG); > - } > + } else if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P) > + param.sSpatialLayers[0].bFullRange = 1; > > if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED || > avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || > @@ -443,6 +445,7 @@ const FFCodec ff_libopenh264_encoder = { > .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | > FF_CODEC_CAP_AUTO_THREADS, > .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, > + AV_PIX_FMT_YUVJ420P, > AV_PIX_FMT_NONE }, > .defaults = svc_enc_defaults, > .p.priv_class = &class, > -- > 2.25.1 > > _______________________________________________ > 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 Thu, Apr 20, 2023 at 7:27 PM "zhilizhao(赵志立)" <quinkblack@foxmail.com> wrote: > > > > > On Apr 18, 2023, at 23:33, Jun Zhao <mypopydev@gmail.com> wrote: > > > > Support full range videos when transcoding, enabled the > > YUVJ420P to avoid auto scale from YUVJ420P to YUV420P > > > According to "Towards YUVJ removal" > http://ffmpeg.org/pipermail/ffmpeg-devel/2022-December/304718.html > > > So, as was discussed at the last meeting, we should move towards > removing YUVJ. > > However, it looks like there is no much progress since then. > Yes, I know the plan we will remove YUVJ, but now when we transcoding, ffmpeg auto-inserts swscaler to convert from full range to limited range when input video with full range, I can't find a full solution in this case, So until YUVJ is removed, I add the YUVJ format support for this case. > > > > Signed-off-by: Jun Zhao <barryjzhao@tencent.com> > > --- > > libavcodec/libopenh264enc.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c > > index 8b4755f5ba..cccc11fbb7 100644 > > --- a/libavcodec/libopenh264enc.c > > +++ b/libavcodec/libopenh264enc.c > > @@ -311,10 +311,12 @@ static av_cold int svc_encode_init(AVCodecContext *avctx) > > > > #if OPENH264_VER_AT_LEAST(1, 6) > > param.sSpatialLayers[0].uiVideoFormat = VF_UNDEF; > > + > > if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED) { > > param.sSpatialLayers[0].bVideoSignalTypePresent = true; > > param.sSpatialLayers[0].bFullRange = (avctx->color_range == AVCOL_RANGE_JPEG); > > - } > > + } else if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P) > > + param.sSpatialLayers[0].bFullRange = 1; > > > > if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED || > > avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || > > @@ -443,6 +445,7 @@ const FFCodec ff_libopenh264_encoder = { > > .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | > > FF_CODEC_CAP_AUTO_THREADS, > > .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, > > + AV_PIX_FMT_YUVJ420P, > > AV_PIX_FMT_NONE }, > > .defaults = svc_enc_defaults, > > .p.priv_class = &class, > > -- > > 2.25.1 > >
diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c index 8b4755f5ba..cccc11fbb7 100644 --- a/libavcodec/libopenh264enc.c +++ b/libavcodec/libopenh264enc.c @@ -311,10 +311,12 @@ static av_cold int svc_encode_init(AVCodecContext *avctx) #if OPENH264_VER_AT_LEAST(1, 6) param.sSpatialLayers[0].uiVideoFormat = VF_UNDEF; + if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED) { param.sSpatialLayers[0].bVideoSignalTypePresent = true; param.sSpatialLayers[0].bFullRange = (avctx->color_range == AVCOL_RANGE_JPEG); - } + } else if (avctx->pix_fmt == AV_PIX_FMT_YUVJ420P) + param.sSpatialLayers[0].bFullRange = 1; if (avctx->colorspace != AVCOL_SPC_UNSPECIFIED || avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || @@ -443,6 +445,7 @@ const FFCodec ff_libopenh264_encoder = { .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_AUTO_THREADS, .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_NONE }, .defaults = svc_enc_defaults, .p.priv_class = &class,
Support full range videos when transcoding, enabled the YUVJ420P to avoid auto scale from YUVJ420P to YUV420P Signed-off-by: Jun Zhao <barryjzhao@tencent.com> --- libavcodec/libopenh264enc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)