* [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes
@ 2025-03-15 0:00 Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1: Add YAF16 support Michael Niedermayer
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Michael Niedermayer @ 2025-03-15 0:00 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/ffv1dec.c | 3 +--
libavcodec/ffv1enc.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index e534583d8d6..d702e36625a 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -252,10 +252,9 @@ static void slice_set_damaged(FFV1Context *f, FFV1SliceContext *sc)
static int decode_remap(FFV1Context *f, FFV1SliceContext *sc)
{
- int transparency = f->transparency;
int flip = sc->remap == 2 ? 0x7FFF : 0;
- for (int p= 0; p<3 + transparency; p++) {
+ for (int p= 0; p < 1 + 2*f->chroma_planes + f->transparency; p++) {
int j = 0;
int lu = 0;
uint8_t state[2][32];
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 5d3daef15ec..b8ccda469ec 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -1159,10 +1159,9 @@ static void choose_rct_params(const FFV1Context *f, FFV1SliceContext *sc,
static void encode_remap(FFV1Context *f, FFV1SliceContext *sc)
{
- int transparency = f->transparency;
int flip = sc->remap == 2 ? 0x7FFF : 0;
- for (int p= 0; p<3 + transparency; p++) {
+ for (int p= 0; p < 1 + 2*f->chroma_planes + f->transparency; p++) {
int j = 0;
int lu = 0;
uint8_t state[2][32];
--
2.48.1
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1: Add YAF16 support
2025-03-15 0:00 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes Michael Niedermayer
@ 2025-03-15 0:00 ` Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 3/5] avcodec/ffv1: Add GRAYF16 support Michael Niedermayer
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Michael Niedermayer @ 2025-03-15 0:00 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/ffv1_parse.c | 6 ++++--
libavcodec/ffv1dec.c | 4 ++--
libavcodec/ffv1enc.c | 33 +++++++++++++++++----------------
3 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/libavcodec/ffv1_parse.c b/libavcodec/ffv1_parse.c
index a85b563e98b..a49f1eb6cef 100644
--- a/libavcodec/ffv1_parse.c
+++ b/libavcodec/ffv1_parse.c
@@ -294,9 +294,11 @@ int ff_ffv1_parse_header(FFV1Context *f, RangeCoder *c, uint8_t *state)
} else
return AVERROR(ENOSYS);
} else if (f->transparency && !f->chroma_planes) {
- if (f->avctx->bits_per_raw_sample <= 8)
+ if (f->avctx->bits_per_raw_sample <= 8 && !f->flt) {
f->pix_fmt = AV_PIX_FMT_YA8;
- else
+ } else if (f->avctx->bits_per_raw_sample == 16 && f->flt) {
+ f->pix_fmt = AV_PIX_FMT_YAF16;
+ } else
return AVERROR(ENOSYS);
} else if (f->avctx->bits_per_raw_sample<=8 && !f->transparency) {
switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index d702e36625a..e24c6b8d3a2 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -362,8 +362,8 @@ static int decode_slice(AVCodecContext *c, void *arg)
if (f->transparency)
decode_plane(f, sc, &gb, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], (f->version >= 4 && !f->chroma_planes) ? 1 : 2, 2, 1, ac);
} else if (f->colorspace == 0) {
- decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 0, 2, ac);
- decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] + 1, width, height, p->linesize[0], 1, 1, 2, ac);
+ decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 0, 2, ac);
+ decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] + (ps>>1), width, height, p->linesize[0], 1, 1, 2, ac);
} else if (f->use32bit) {
uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0],
p->data[1] + ps * x + y * p->linesize[1],
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index b8ccda469ec..9fb98c37584 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -301,11 +301,11 @@ static int encode_plane(FFV1Context *f, FFV1SliceContext *sc,
} else {
if (f->packed_at_lsb) {
for (x = 0; x < w; x++) {
- sample[0][x] = ((uint16_t*)(src + stride*y))[x];
+ sample[0][x] = ((uint16_t*)(src + stride*y))[x * pixel_stride];
}
} else {
for (x = 0; x < w; x++) {
- sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - f->bits_per_raw_sample);
+ sample[0][x] = ((uint16_t*)(src + stride*y))[x * pixel_stride] >> (16 - f->bits_per_raw_sample);
}
}
if (sc->remap)
@@ -334,10 +334,10 @@ static void load_plane(FFV1Context *f, FFV1SliceContext *sc,
} else {
if (f->packed_at_lsb) {
for (x = 0; x < w; x++)
- sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x] ] = 1;
+ sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x * pixel_stride] ] = 1;
} else {
for (x = 0; x < w; x++)
- sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x] >> (16 - f->bits_per_raw_sample) ] = 1;
+ sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x * pixel_stride] >> (16 - f->bits_per_raw_sample) ] = 1;
}
}
}
@@ -842,6 +842,7 @@ av_cold int ff_ffv1_encode_setup_plane_info(AVCodecContext *avctx,
case AV_PIX_FMT_YUVA444P16:
case AV_PIX_FMT_YUVA422P16:
case AV_PIX_FMT_YUVA420P16:
+ case AV_PIX_FMT_YAF16:
if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) {
s->bits_per_raw_sample = 16;
} else if (!s->bits_per_raw_sample) {
@@ -926,17 +927,16 @@ av_cold int ff_ffv1_encode_setup_plane_info(AVCodecContext *avctx,
if (s->bits_per_raw_sample >= 16) {
s->use32bit = 1;
}
- s->flt = !!(desc->flags & AV_PIX_FMT_FLAG_FLOAT);
s->version = FFMAX(s->version, 1);
-
- if (s->flt)
- s->version = FFMAX(s->version, 4);
break;
default:
av_log(avctx, AV_LOG_ERROR, "format %s not supported\n",
av_get_pix_fmt_name(pix_fmt));
return AVERROR(ENOSYS);
}
+ s->flt = !!(desc->flags & AV_PIX_FMT_FLAG_FLOAT);
+ if (s->flt)
+ s->version = FFMAX(s->version, 4);
av_assert0(s->bits_per_raw_sample >= 8);
if (s->remap_mode < 0)
@@ -1225,7 +1225,7 @@ retry:
}
if (sc->remap) {
- if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8) {
+ if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8 && c->pix_fmt != AV_PIX_FMT_YAF16) {
const int cx = x >> f->chroma_h_shift;
const int cy = y >> f->chroma_v_shift;
@@ -1240,9 +1240,9 @@ retry:
}
if (f->transparency)
load_plane(f, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 3, 1);
- } else if (c->pix_fmt == AV_PIX_FMT_YA8) {
- load_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2);
- load_plane(f, sc, p->data[0] + 1 + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2);
+ } else if (c->pix_fmt == AV_PIX_FMT_YA8 || c->pix_fmt == AV_PIX_FMT_YAF16) {
+ load_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2);
+ load_plane(f, sc, p->data[0] + (ps>>1) + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2);
} else if (f->use32bit) {
load_rgb_frame32(f, sc, planes, width, height, p->linesize);
} else
@@ -1265,7 +1265,7 @@ retry:
lsb_size_bytes);
}
- if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8) {
+ if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8 && c->pix_fmt != AV_PIX_FMT_YAF16) {
const int cx = x >> f->chroma_h_shift;
const int cy = y >> f->chroma_v_shift;
@@ -1277,9 +1277,9 @@ retry:
}
if (f->transparency)
ret |= encode_plane(f, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2, 3, 1, ac);
- } else if (c->pix_fmt == AV_PIX_FMT_YA8) {
- ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 0, 2, ac);
- ret |= encode_plane(f, sc, p->data[0] + 1 + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 1, 2, ac);
+ } else if (c->pix_fmt == AV_PIX_FMT_YA8 || c->pix_fmt == AV_PIX_FMT_YAF16) {
+ ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 0, 2, ac);
+ ret |= encode_plane(f, sc, p->data[0] + (ps>>1) + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 1, 2, ac);
} else if (f->use32bit) {
ret = encode_rgb_frame32(f, sc, planes, width, height, p->linesize, ac);
} else {
@@ -1564,6 +1564,7 @@ const FFCodec ff_ffv1_encoder = {
AV_PIX_FMT_GRAY9,
AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12,
+ AV_PIX_FMT_YAF16,
AV_PIX_FMT_GBRPF16),
.color_ranges = AVCOL_RANGE_MPEG,
.p.priv_class = &ffv1_class,
--
2.48.1
_______________________________________________
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https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
^ permalink raw reply [flat|nested] 5+ messages in thread
* [FFmpeg-devel] [PATCH 3/5] avcodec/ffv1: Add GRAYF16 support
2025-03-15 0:00 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1: Add YAF16 support Michael Niedermayer
@ 2025-03-15 0:00 ` Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 4/5] avcodec/ffv1enc: Fix signed type handling with remap Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 5/5] avcodec/ffv1dec: Fix a YUVA issue with remaping Michael Niedermayer
3 siblings, 0 replies; 5+ messages in thread
From: Michael Niedermayer @ 2025-03-15 0:00 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/ffv1_parse.c | 5 ++++-
libavcodec/ffv1dec.c | 27 +++++++++++++++++++--------
libavcodec/ffv1enc.c | 2 ++
3 files changed, 25 insertions(+), 9 deletions(-)
diff --git a/libavcodec/ffv1_parse.c b/libavcodec/ffv1_parse.c
index a49f1eb6cef..9745f9de694 100644
--- a/libavcodec/ffv1_parse.c
+++ b/libavcodec/ffv1_parse.c
@@ -288,7 +288,10 @@ int ff_ffv1_parse_header(FFV1Context *f, RangeCoder *c, uint8_t *state)
f->pix_fmt = AV_PIX_FMT_GRAY14;
} else if (f->avctx->bits_per_raw_sample == 16) {
f->packed_at_lsb = 1;
- f->pix_fmt = AV_PIX_FMT_GRAY16;
+ if (f->flt) {
+ f->pix_fmt = AV_PIX_FMT_GRAYF16;
+ } else
+ f->pix_fmt = AV_PIX_FMT_GRAY16;
} else if (f->avctx->bits_per_raw_sample < 16) {
f->pix_fmt = AV_PIX_FMT_GRAY16;
} else
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index e24c6b8d3a2..968c386f897 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -125,16 +125,27 @@ static int decode_plane(FFV1Context *f, FFV1SliceContext *sc,
int ret = decode_line(f, sc, gb, w, sample, plane_index, f->avctx->bits_per_raw_sample, ac);
if (ret < 0)
return ret;
- if (sc->remap)
- for (x = 0; x < w; x++)
- sample[1][x] = sc->fltmap[remap_index][sample[1][x]];
- if (f->packed_at_lsb) {
- for (x = 0; x < w; x++) {
- ((uint16_t*)(src + stride*y))[x*pixel_stride] = sample[1][x];
+
+ if (sc->remap) {
+ if (f->packed_at_lsb || f->avctx->bits_per_raw_sample == 16) {
+ for (x = 0; x < w; x++) {
+ ((uint16_t*)(src + stride*y))[x*pixel_stride] = sc->fltmap[remap_index][sample[1][x] & 0xFFFF];
+ }
+ } else {
+ for (x = 0; x < w; x++) {
+ int v = sc->fltmap[remap_index][sample[1][x] & 0xFFFF];
+ ((uint16_t*)(src + stride*y))[x*pixel_stride] = v << (16 - f->avctx->bits_per_raw_sample) | v >> (2 * f->avctx->bits_per_raw_sample - 16);
+ }
}
} else {
- for (x = 0; x < w; x++) {
- ((uint16_t*)(src + stride*y))[x*pixel_stride] = sample[1][x] << (16 - f->avctx->bits_per_raw_sample) | ((uint16_t **)sample)[1][x] >> (2 * f->avctx->bits_per_raw_sample - 16);
+ if (f->packed_at_lsb || f->avctx->bits_per_raw_sample == 16) {
+ for (x = 0; x < w; x++) {
+ ((uint16_t*)(src + stride*y))[x*pixel_stride] = sample[1][x];
+ }
+ } else {
+ for (x = 0; x < w; x++) {
+ ((uint16_t*)(src + stride*y))[x*pixel_stride] = sample[1][x] << (16 - f->avctx->bits_per_raw_sample) | ((uint16_t **)sample)[1][x] >> (2 * f->avctx->bits_per_raw_sample - 16);
+ }
}
}
}
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 9fb98c37584..3879d1b19a1 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -842,6 +842,7 @@ av_cold int ff_ffv1_encode_setup_plane_info(AVCodecContext *avctx,
case AV_PIX_FMT_YUVA444P16:
case AV_PIX_FMT_YUVA422P16:
case AV_PIX_FMT_YUVA420P16:
+ case AV_PIX_FMT_GRAYF16:
case AV_PIX_FMT_YAF16:
if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) {
s->bits_per_raw_sample = 16;
@@ -1565,6 +1566,7 @@ const FFCodec ff_ffv1_encoder = {
AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12,
AV_PIX_FMT_YAF16,
+ AV_PIX_FMT_GRAYF16,
AV_PIX_FMT_GBRPF16),
.color_ranges = AVCOL_RANGE_MPEG,
.p.priv_class = &ffv1_class,
--
2.48.1
_______________________________________________
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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".
^ permalink raw reply [flat|nested] 5+ messages in thread
* [FFmpeg-devel] [PATCH 4/5] avcodec/ffv1enc: Fix signed type handling with remap
2025-03-15 0:00 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1: Add YAF16 support Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 3/5] avcodec/ffv1: Add GRAYF16 support Michael Niedermayer
@ 2025-03-15 0:00 ` Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 5/5] avcodec/ffv1dec: Fix a YUVA issue with remaping Michael Niedermayer
3 siblings, 0 replies; 5+ messages in thread
From: Michael Niedermayer @ 2025-03-15 0:00 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/ffv1enc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 3879d1b19a1..b3fb6560e5a 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -310,7 +310,7 @@ static int encode_plane(FFV1Context *f, FFV1SliceContext *sc,
}
if (sc->remap)
for (x = 0; x < w; x++)
- sample[0][x] = sc->fltmap[remap_index][ sample[0][x] ];
+ sample[0][x] = sc->fltmap[remap_index][ (uint16_t)sample[0][x] ];
if((ret = encode_line(f, sc, f->avctx, w, sample, plane_index, f->bits_per_raw_sample, ac, pass1)) < 0)
return ret;
--
2.48.1
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [FFmpeg-devel] [PATCH 5/5] avcodec/ffv1dec: Fix a YUVA issue with remaping
2025-03-15 0:00 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes Michael Niedermayer
` (2 preceding siblings ...)
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 4/5] avcodec/ffv1enc: Fix signed type handling with remap Michael Niedermayer
@ 2025-03-15 0:00 ` Michael Niedermayer
3 siblings, 0 replies; 5+ messages in thread
From: Michael Niedermayer @ 2025-03-15 0:00 UTC (permalink / raw)
To: FFmpeg development discussions and patches
Untested
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/ffv1dec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index 968c386f897..6ec9e229f3b 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -371,7 +371,8 @@ static int decode_slice(AVCodecContext *c, void *arg)
decode_plane(f, sc, &gb, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 2, 1, ac);
}
if (f->transparency)
- decode_plane(f, sc, &gb, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], (f->version >= 4 && !f->chroma_planes) ? 1 : 2, 2, 1, ac);
+ decode_plane(f, sc, &gb, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], (f->version >= 4 && !f->chroma_planes) ? 1 : 2,
+ (f->version >= 4 && !f->chroma_planes) ? 1 : 3, 1, ac);
} else if (f->colorspace == 0) {
decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 0, 2, ac);
decode_plane(f, sc, &gb, p->data[0] + ps*x + y*p->linesize[0] + (ps>>1), width, height, p->linesize[0], 1, 1, 2, ac);
--
2.48.1
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^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2025-03-15 0:01 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2025-03-15 0:00 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1: fix remap without chroma planes Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1: Add YAF16 support Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 3/5] avcodec/ffv1: Add GRAYF16 support Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 4/5] avcodec/ffv1enc: Fix signed type handling with remap Michael Niedermayer
2025-03-15 0:00 ` [FFmpeg-devel] [PATCH 5/5] avcodec/ffv1dec: Fix a YUVA issue with remaping Michael Niedermayer
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