84 lines
5.5 KiB
Diff
84 lines
5.5 KiB
Diff
Upstream: Yes, https://github.com/FFmpeg/FFmpeg/commit/3e098cca6e51db0f19928c12d0348deaa17137b3
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From 3e098cca6e51db0f19928c12d0348deaa17137b3 Mon Sep 17 00:00:00 2001
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From: Lynne <dev@lynne.ee>
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Date: Tue, 7 Jul 2020 16:01:58 +0100
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Subject: [PATCH] aarch64/yuv2rgb_neon: fix return value
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We return 0 for this particular architecture but should instead be
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returning the number of lines.
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Fixes users who check the return value matches what they expect.
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---
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libswscale/aarch64/swscale_unscaled.c | 31 ++++++++++++---------------
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libswscale/aarch64/yuv2rgb_neon.S | 2 ++
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2 files changed, 16 insertions(+), 17 deletions(-)
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diff --git a/libswscale/aarch64/swscale_unscaled.c b/libswscale/aarch64/swscale_unscaled.c
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index 551daad9e353..c7a2a1037df8 100644
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--- a/libswscale/aarch64/swscale_unscaled.c
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+++ b/libswscale/aarch64/swscale_unscaled.c
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@@ -42,15 +42,14 @@ static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *src[],
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uint8_t *dst[], int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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- ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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- dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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- src[0], srcStride[0], \
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- src[1], srcStride[1], \
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- src[2], srcStride[2], \
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- yuv2rgb_table, \
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- c->yuv2rgb_y_offset >> 6, \
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- c->yuv2rgb_y_coeff); \
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- return 0; \
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+ return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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+ dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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+ src[0], srcStride[0], \
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+ src[1], srcStride[1], \
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+ src[2], srcStride[2], \
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+ yuv2rgb_table, \
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+ c->yuv2rgb_y_offset >> 6, \
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+ c->yuv2rgb_y_coeff); \
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} \
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#define DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuvx) \
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@@ -76,14 +75,12 @@ static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *src[],
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uint8_t *dst[], int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
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\
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- ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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- dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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- src[0], srcStride[0], src[1], srcStride[1], \
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- yuv2rgb_table, \
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- c->yuv2rgb_y_offset >> 6, \
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- c->yuv2rgb_y_coeff); \
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- \
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- return 0; \
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+ return ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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+ dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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+ src[0], srcStride[0], src[1], srcStride[1], \
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+ yuv2rgb_table, \
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+ c->yuv2rgb_y_offset >> 6, \
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+ c->yuv2rgb_y_coeff); \
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} \
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#define DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx) \
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diff --git a/libswscale/aarch64/yuv2rgb_neon.S b/libswscale/aarch64/yuv2rgb_neon.S
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index b7446aa10511..f4b220fb608e 100644
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--- a/libswscale/aarch64/yuv2rgb_neon.S
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+++ b/libswscale/aarch64/yuv2rgb_neon.S
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@@ -142,6 +142,7 @@
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.macro declare_func ifmt ofmt
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function ff_\ifmt\()_to_\ofmt\()_neon, export=1
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load_args_\ifmt
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+ mov w9, w1
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1:
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mov w8, w0 // w8 = width
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2:
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@@ -193,6 +194,7 @@ function ff_\ifmt\()_to_\ofmt\()_neon, export=1
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increment_\ifmt
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subs w1, w1, #1 // height -= 1
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b.gt 1b
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+ mov w0, w9
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ret
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endfunc
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.endm
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