From f07e2ff6979380ec7c18de55216bdd92db4856a9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 21 Jan 2015 20:23:45 +0100 Subject: [PATCH] swscale/input: fix rgba64 alpha non native Signed-off-by: Michael Niedermayer (cherry picked from commit f30798584fd9709e83644f831107fdc9e26b1311) Signed-off-by: Michael Niedermayer --- libswscale/input.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/libswscale/input.c b/libswscale/input.c index 1928223951..7b3b7060e6 100644 --- a/libswscale/input.c +++ b/libswscale/input.c @@ -412,14 +412,24 @@ static void gbr24pToUV_half_c(uint8_t *_dstU, uint8_t *_dstV, } } -static void rgba64ToA_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, - const uint8_t *unused2, int width, uint32_t *unused) +static void rgba64leToA_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, + const uint8_t *unused2, int width, uint32_t *unused) { int16_t *dst = (int16_t *)_dst; const uint16_t *src = (const uint16_t *)_src; int i; for (i = 0; i < width; i++) - dst[i] = src[4 * i + 3]; + dst[i] = AV_RL16(src + 4 * i + 3); +} + +static void rgba64beToA_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, + const uint8_t *unused2, int width, uint32_t *unused) +{ + int16_t *dst = (int16_t *)_dst; + const uint16_t *src = (const uint16_t *)_src; + int i; + for (i = 0; i < width; i++) + dst[i] = AV_RB16(src + 4 * i + 3); } static void abgrToA_c(uint8_t *_dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width, uint32_t *unused) @@ -1359,9 +1369,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c) } switch (srcFormat) { case AV_PIX_FMT_BGRA64LE: + case AV_PIX_FMT_RGBA64LE: c->alpToYV12 = rgba64leToA_c; break; case AV_PIX_FMT_BGRA64BE: - case AV_PIX_FMT_RGBA64LE: - case AV_PIX_FMT_RGBA64BE: c->alpToYV12 = rgba64ToA_c; break; + case AV_PIX_FMT_RGBA64BE: c->alpToYV12 = rgba64beToA_c; break; case AV_PIX_FMT_BGRA: case AV_PIX_FMT_RGBA: c->alpToYV12 = rgbaToA_c;