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avfilter: add scale_vt for videotoolbox pix_fmt

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For example,

./ffmpeg -hwaccel videotoolbox \
	-hwaccel_output_format videotoolbox_vld \
	-i ios-265.mov \
	-c:v hevc_videotoolbox \
	-profile:v main \
	-b:v 3M \
	-vf scale_vt=w=iw/2:h=ih/2:color_matrix=bt709:color_primaries=bt709:color_transfer=bt709 \
	-c:a copy \
	-tag:v hvc1 \
	/tmp/test.mp4

Input: hevc (Main 10) (hvc1 / 0x31637668), yuv420p10le(tv, bt2020nc/bt2020/arib-std-b67), 3840x2160
Output: hevc (Main) (hvc1 / 0x31637668), yuv420p(tv, bt709, progressive), 1920x1080
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili
2023-07-16 17:13:28 +08:00
parent 6c90fcd9e6
commit c2c96c4c24
7 changed files with 271 additions and 2 deletions
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1
libavfilter/allfilters.c
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@@ -427,6 +427,7 @@ extern const AVFilter ff_vf_scale_cuda;
extern const AVFilter ff_vf_scale_npp;
extern const AVFilter ff_vf_scale_qsv;
extern const AVFilter ff_vf_scale_vaapi;
extern const AVFilter ff_vf_scale_vt;
extern const AVFilter ff_vf_scale_vulkan;
extern const AVFilter ff_vf_scale2ref;
extern const AVFilter ff_vf_scale2ref_npp;