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authorPaul B Mahol <onemda@gmail.com>2014-12-17 14:54:43 +0100
committerVittorio Giovara <vittorio.giovara@gmail.com>2015-01-14 17:17:24 +0100
commit928061670e873e816daa14827853b7e11221ff5f (patch)
tree51cd09582027961f2d281aa2c262a4db01c0e8cb /libswscale
parent9a4aaae3b29392b6d74997e06be249d7d54a7394 (diff)
downloadffmpeg-streaming-928061670e873e816daa14827853b7e11221ff5f.zip
ffmpeg-streaming-928061670e873e816daa14827853b7e11221ff5f.tar.gz
libswscale: GBRAP input & output and GBRAP16 input support
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/input.c15
-rw-r--r--libswscale/output.c9
-rw-r--r--libswscale/swscale.c3
-rw-r--r--libswscale/swscale_internal.h3
-rw-r--r--libswscale/swscale_unscaled.c23
-rw-r--r--libswscale/utils.c3
6 files changed, 54 insertions, 2 deletions
diff --git a/libswscale/input.c b/libswscale/input.c
index f583b3f..6acd2bb 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -596,6 +596,14 @@ static void planar_rgb_to_y(uint8_t *dst, const uint8_t *src[4], int width)
}
}
+static void planar_rgb_to_a(uint8_t *_dst, const uint8_t *src[4], int width, int32_t *unused)
+{
+ uint16_t *dst = (uint16_t *)_dst;
+ int i;
+ for (i = 0; i < width; i++)
+ dst[i] = src[3][i] << 6;
+}
+
static void planar_rgb_to_uv(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
{
int i;
@@ -745,6 +753,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_GBRP10LE:
c->readChrPlanar = planar_rgb10le_to_uv;
break;
+ case AV_PIX_FMT_GBRAP16LE:
case AV_PIX_FMT_GBRP16LE:
c->readChrPlanar = planar_rgb16le_to_uv;
break;
@@ -754,9 +763,11 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_GBRP10BE:
c->readChrPlanar = planar_rgb10be_to_uv;
break;
+ case AV_PIX_FMT_GBRAP16BE:
case AV_PIX_FMT_GBRP16BE:
c->readChrPlanar = planar_rgb16be_to_uv;
break;
+ case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
c->readChrPlanar = planar_rgb_to_uv;
break;
@@ -953,6 +964,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_GBRP10LE:
c->readLumPlanar = planar_rgb10le_to_y;
break;
+ case AV_PIX_FMT_GBRAP16LE:
case AV_PIX_FMT_GBRP16LE:
c->readLumPlanar = planar_rgb16le_to_y;
break;
@@ -962,9 +974,12 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_GBRP10BE:
c->readLumPlanar = planar_rgb10be_to_y;
break;
+ case AV_PIX_FMT_GBRAP16BE:
case AV_PIX_FMT_GBRP16BE:
c->readLumPlanar = planar_rgb16be_to_y;
break;
+ case AV_PIX_FMT_GBRAP:
+ c->readAlpPlanar = planar_rgb_to_a;
case AV_PIX_FMT_GBRP:
c->readLumPlanar = planar_rgb_to_y;
break;
diff --git a/libswscale/output.c b/libswscale/output.c
index 125d998..1670f4a 100644
--- a/libswscale/output.c
+++ b/libswscale/output.c
@@ -1277,7 +1277,7 @@ yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
int i;
- int hasAlpha = 0;
+ int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;
uint16_t **dest16 = (uint16_t**)dest;
int SH = 22 + 7 - desc->comp[0].depth_minus1;
@@ -1329,10 +1329,14 @@ yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
dest16[0][i] = G >> SH;
dest16[1][i] = B >> SH;
dest16[2][i] = R >> SH;
+ if (hasAlpha)
+ dest16[3][i] = A;
} else {
dest[0][i] = G >> 22;
dest[1][i] = B >> 22;
dest[2][i] = R >> 22;
+ if (hasAlpha)
+ dest[3][i] = A;
}
}
if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
@@ -1340,6 +1344,8 @@ yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
dest16[0][i] = av_bswap16(dest16[0][i]);
dest16[1][i] = av_bswap16(dest16[1][i]);
dest16[2][i] = av_bswap16(dest16[2][i]);
+ if (hasAlpha)
+ dest16[3][i] = av_bswap16(dest16[3][i]);
}
}
}
@@ -1445,6 +1451,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
case AV_PIX_FMT_GBRP10LE:
case AV_PIX_FMT_GBRP16BE:
case AV_PIX_FMT_GBRP16LE:
+ case AV_PIX_FMT_GBRAP:
*yuv2anyX = yuv2gbrp_full_X_c;
break;
}
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 7756e1b..f6427bf 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -269,6 +269,9 @@ static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
} else if (c->readLumPlanar && !isAlpha) {
c->readLumPlanar(formatConvBuffer, src_in, srcW);
src = formatConvBuffer;
+ } else if (c->readAlpPlanar && isAlpha) {
+ c->readAlpPlanar(formatConvBuffer, src_in, srcW);
+ src = formatConvBuffer;
}
if (!c->hyscale_fast) {
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index a0daa07..fdaaeeb 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -458,12 +458,13 @@ typedef struct SwsContext {
/**
* Functions to read planar input, such as planar RGB, and convert
- * internally to Y/UV.
+ * internally to Y/UV/A.
*/
/** @{ */
void (*readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width);
void (*readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4],
int width);
+ void (*readAlpPlanar)(uint8_t *dst, const uint8_t *src[4], int width);
/** @} */
/**
diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index ddf177a..bfcc1a3 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -488,6 +488,23 @@ static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
return srcSliceH;
}
+static int planarRgbToplanarRgbWrapper(SwsContext *c,
+ const uint8_t *src[], int srcStride[],
+ int srcSliceY, int srcSliceH,
+ uint8_t *dst[], int dstStride[])
+{
+ copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
+ dst[0], dstStride[0]);
+ copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
+ dst[1], dstStride[1]);
+ copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
+ dst[2], dstStride[2]);
+ if (dst[3])
+ fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
+
+ return srcSliceH;
+}
+
static void packedtogbr24p(const uint8_t *src, int srcStride,
uint8_t *dst[], int dstStride[], int srcSliceH,
int alpha_first, int inc_size, int width)
@@ -1054,6 +1071,11 @@ void ff_get_unscaled_swscale(SwsContext *c)
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
c->swscale = rgbToRgbWrapper;
+ /* RGB to planar RGB */
+ if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
+ (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
+ c->swscale = planarRgbToplanarRgbWrapper;
+
#define isByteRGB(f) ( \
f == AV_PIX_FMT_RGB32 || \
f == AV_PIX_FMT_RGB32_1 || \
@@ -1077,6 +1099,7 @@ void ff_get_unscaled_swscale(SwsContext *c)
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
+ IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16)||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 32e304c..b3df1af 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -180,6 +180,9 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
[AV_PIX_FMT_GBRP10BE] = { 1, 1 },
[AV_PIX_FMT_GBRP16LE] = { 1, 0 },
[AV_PIX_FMT_GBRP16BE] = { 1, 0 },
+ [AV_PIX_FMT_GBRAP] = { 1, 1 },
+ [AV_PIX_FMT_GBRAP16LE] = { 1, 0 },
+ [AV_PIX_FMT_GBRAP16BE] = { 1, 0 },
[AV_PIX_FMT_XYZ12BE] = { 0, 0, 1 },
[AV_PIX_FMT_XYZ12LE] = { 0, 0, 1 },
};
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