[FFmpeg-devel] [PATCH 1/2] pixfmt: add AV_PIX_FMT_GRAY32
Lynne
dev at lynne.ee
Tue Jan 21 17:17:11 EET 2025
This is a useful format for high-precision intermediates.
---
libavutil/pixdesc.c | 21 +++++++++++++++++++++
libavutil/pixfmt.h | 4 ++++
2 files changed, 25 insertions(+)
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index e595c76232..857cc013ca 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -797,6 +797,27 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
},
.alias = "y16le",
},
+ [AV_PIX_FMT_GRAY32BE] = {
+ .name = "gray32be",
+ .nb_components = 1,
+ .log2_chroma_w = 0,
+ .log2_chroma_h = 0,
+ .comp = {
+ { 0, 4, 0, 0, 32 }, /* Y */
+ },
+ .flags = AV_PIX_FMT_FLAG_BE,
+ .alias = "y32be",
+ },
+ [AV_PIX_FMT_GRAY32LE] = {
+ .name = "gray32le",
+ .nb_components = 1,
+ .log2_chroma_w = 0,
+ .log2_chroma_h = 0,
+ .comp = {
+ { 0, 4, 0, 0, 32 }, /* Y */
+ },
+ .alias = "y32le",
+ },
[AV_PIX_FMT_YUV440P] = {
.name = "yuv440p",
.nb_components = 3,
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 3215266091..1cd2134712 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -463,6 +463,9 @@ enum AVPixelFormat {
AV_PIX_FMT_XV48BE, ///< packed XVYU 4:4:4, 64bpp, big-endian, variant of Y416 where alpha channel is left undefined
AV_PIX_FMT_XV48LE, ///< packed XVYU 4:4:4, 64bpp, little-endian, variant of Y416 where alpha channel is left undefined
+ AV_PIX_FMT_GRAY32BE, ///< Y , 32bpp, big-endian
+ AV_PIX_FMT_GRAY32LE, ///< Y , 32bpp, little-endian
+
AV_PIX_FMT_NB ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
};
@@ -484,6 +487,7 @@ enum AVPixelFormat {
#define AV_PIX_FMT_GRAY12 AV_PIX_FMT_NE(GRAY12BE, GRAY12LE)
#define AV_PIX_FMT_GRAY14 AV_PIX_FMT_NE(GRAY14BE, GRAY14LE)
#define AV_PIX_FMT_GRAY16 AV_PIX_FMT_NE(GRAY16BE, GRAY16LE)
+#define AV_PIX_FMT_GRAY32 AV_PIX_FMT_NE(GRAY32BE, GRAY32LE)
#define AV_PIX_FMT_YA16 AV_PIX_FMT_NE(YA16BE, YA16LE)
#define AV_PIX_FMT_RGB48 AV_PIX_FMT_NE(RGB48BE, RGB48LE)
#define AV_PIX_FMT_RGB565 AV_PIX_FMT_NE(RGB565BE, RGB565LE)
--
2.47.1
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