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avutil: rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8

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The rationale is that you have a packed format in form
<greyscale sample> <alpha sample> <greyscale sample> <alpha sample>
and shortening greyscale to 'G' might make one thing about Greenscale instead.
An alias pixel format and color space name are provided for compatibility.
This commit is contained in:
Vittorio Giovara 2014-07-29 14:02:09 +01:00
parent e0d73fda36
commit e96c3b81ca
15 changed files with 29 additions and 21 deletions
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4
doc/APIchanges
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@ -13,6 +13,10 @@ libavutil: 2013-12-xx
API changes, most recent first:
2014-08-xx - xxxxxxx - lavu 53.21.1 - avstring.h
Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
An alias pixel format and color space name are provided for compatibility.
2014-08-xx - xxxxxxx - lavu 53.21.0 - pixdesc.h
Support name aliases for pixel formats.

2
libavcodec/brenderpix.c
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@ -193,7 +193,7 @@ static int pix_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
bytes_pp = 4;
break;
case 18:
avctx->pix_fmt = AV_PIX_FMT_Y400A;
avctx->pix_fmt = AV_PIX_FMT_YA8;
bytes_pp = 2;
break;
default:

2
libavcodec/libopenjpegdec.c
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@ -45,7 +45,7 @@
#define RGB_PIXEL_FORMATS AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, \
AV_PIX_FMT_RGB48, AV_PIX_FMT_RGBA64
#define GRAY_PIXEL_FORMATS AV_PIX_FMT_GRAY8, AV_PIX_FMT_Y400A, \
#define GRAY_PIXEL_FORMATS AV_PIX_FMT_GRAY8, AV_PIX_FMT_YA8, \
AV_PIX_FMT_GRAY16
#define YUV_PIXEL_FORMATS AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, \

6
libavcodec/libopenjpegenc.c
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@ -90,7 +90,7 @@ static opj_image_t *libopenjpeg_create_image(AVCodecContext *avctx,
switch (avctx->pix_fmt) {
case AV_PIX_FMT_GRAY8:
case AV_PIX_FMT_GRAY16:
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
color_space = CLRSPC_GRAY;
break;
case AV_PIX_FMT_RGB24:
@ -302,7 +302,7 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
switch (avctx->pix_fmt) {
case AV_PIX_FMT_RGB24:
case AV_PIX_FMT_RGBA:
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
libopenjpeg_copy_packed8(avctx, frame, image);
break;
case AV_PIX_FMT_RGB48:
@ -424,7 +424,7 @@ AVCodec ff_libopenjpeg_encoder = {
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_RGB48,
AV_PIX_FMT_RGBA64,
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_Y400A,
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16, AV_PIX_FMT_YA8,
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P,
AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,

2
libavcodec/pngdec.c
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@ -499,7 +499,7 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_PAL8;
} else if (s->bit_depth == 8 &&
s->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
avctx->pix_fmt = AV_PIX_FMT_Y400A;
avctx->pix_fmt = AV_PIX_FMT_YA8;
} else {
goto fail;
}

2
libavcodec/raw.c
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@ -127,7 +127,7 @@ const PixelFormatTag ff_raw_pix_fmt_tags[] = {
{ AV_PIX_FMT_YUV444P16LE, MKTAG('Y', '3', 0 , 16 ) },
{ AV_PIX_FMT_YUV444P16BE, MKTAG(16 , 0 , '3', 'Y') },
{ AV_PIX_FMT_YUVA420P, MKTAG('Y', '4', 11 , 8 ) },
{ AV_PIX_FMT_Y400A, MKTAG('Y', '2', 0 , 8 ) },
{ AV_PIX_FMT_YA8, MKTAG('Y', '2', 0 , 8 ) },
{ AV_PIX_FMT_YUVA420P9LE, MKTAG('Y', '4', 11 , 9 ) },
{ AV_PIX_FMT_YUVA420P9BE, MKTAG( 9 , 11 , '4', 'Y') },

5
libavutil/pixdesc.c
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@ -1339,14 +1339,15 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
.log2_chroma_h = 1,
.flags = AV_PIX_FMT_FLAG_HWACCEL,
},
[AV_PIX_FMT_Y400A] = {
.name = "y400a",
[AV_PIX_FMT_YA8] = {
.name = "ya8",
.nb_components = 2,
.comp = {
{ 0, 1, 1, 0, 7 }, /* Y */
{ 0, 1, 2, 0, 7 }, /* A */
},
.flags = AV_PIX_FMT_FLAG_ALPHA,
.alias = "gray8a",
},
[AV_PIX_FMT_GBRP] = {
.name = "gbrp",

5
libavutil/pixfmt.h
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@ -141,7 +141,10 @@ enum AVPixelFormat {
AV_PIX_FMT_RGB444BE, ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), big-endian, most significant bits to 0
AV_PIX_FMT_BGR444LE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
AV_PIX_FMT_BGR444BE, ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
AV_PIX_FMT_Y400A, ///< 8bit gray, 8bit alpha
AV_PIX_FMT_YA8, ///< 8bit gray, 8bit alpha
AV_PIX_FMT_Y400A = AV_PIX_FMT_YA8, ///< alias for AV_PIX_FMT_YA8
AV_PIX_FMT_BGR48BE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big-endian
AV_PIX_FMT_BGR48LE, ///< packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as little-endian
AV_PIX_FMT_YUV420P9BE, ///< planar YUV 4:2:0, 13.5bpp, (1 Cr & Cb sample per 2x2 Y samples), big-endian

2
libavutil/version.h
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@ -55,7 +55,7 @@
#define LIBAVUTIL_VERSION_MAJOR 53
#define LIBAVUTIL_VERSION_MINOR 21
#define LIBAVUTIL_VERSION_MICRO 0
#define LIBAVUTIL_VERSION_MICRO 1
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
LIBAVUTIL_VERSION_MINOR, \

4
libswscale/input.c
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@ -989,7 +989,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
#endif
case AV_PIX_FMT_YUYV422:
case AV_PIX_FMT_YVYU422:
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
c->lumToYV12 = yuy2ToY_c;
break;
case AV_PIX_FMT_UYVY422:
@ -1085,7 +1085,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_ARGB:
c->alpToYV12 = abgrToA_c;
break;
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
c->alpToYV12 = uyvyToY_c;
break;
}

2
libswscale/swscale-test.c
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@ -37,7 +37,7 @@
* Should be removed when a cleaner pixel format system exists. */
#define isGray(x) \
((x) == AV_PIX_FMT_GRAY8 || \
(x) == AV_PIX_FMT_Y400A || \
(x) == AV_PIX_FMT_YA8 || \
(x) == AV_PIX_FMT_GRAY16BE || \
(x) == AV_PIX_FMT_GRAY16LE)
#define hasChroma(x) \

4
libswscale/swscale_internal.h
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@ -606,7 +606,7 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
#else
#define isGray(x) \
((x) == AV_PIX_FMT_GRAY8 || \
(x) == AV_PIX_FMT_Y400A || \
(x) == AV_PIX_FMT_YA8 || \
(x) == AV_PIX_FMT_GRAY16BE || \
(x) == AV_PIX_FMT_GRAY16LE)
#endif
@ -697,7 +697,7 @@ static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
av_assert0(desc);
return ((desc->flags & AV_PIX_FMT_FLAG_PAL) || (desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) ||
pix_fmt == AV_PIX_FMT_Y400A);
pix_fmt == AV_PIX_FMT_YA8);
}
extern const uint64_t ff_dither4[2];

4
libswscale/swscale_unscaled.c
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@ -351,7 +351,7 @@ static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
const uint8_t *srcPtr = src[0];
if (srcFormat == AV_PIX_FMT_Y400A) {
if (srcFormat == AV_PIX_FMT_YA8) {
switch (dstFormat) {
case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
@ -1204,7 +1204,7 @@ int attribute_align_arg sws_scale(struct SwsContext *c,
g = ((i >> 1) & 3) * 85;
b = ( i & 1) * 255;
} else if (c->srcFormat == AV_PIX_FMT_GRAY8 ||
c->srcFormat == AV_PIX_FMT_Y400A) {
c->srcFormat == AV_PIX_FMT_YA8) {
r = g = b = i;
} else {
assert(c->srcFormat == AV_PIX_FMT_BGR4_BYTE);

2
libswscale/utils.c
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@ -154,7 +154,7 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
[AV_PIX_FMT_RGB444BE] = { 1, 1 },
[AV_PIX_FMT_BGR444LE] = { 1, 1 },
[AV_PIX_FMT_BGR444BE] = { 1, 1 },
[AV_PIX_FMT_Y400A] = { 1, 0 },
[AV_PIX_FMT_YA8] = { 1, 0 },
[AV_PIX_FMT_BGR48BE] = { 1, 1 },
[AV_PIX_FMT_BGR48LE] = { 1, 1 },
[AV_PIX_FMT_BGRA64BE] = { 0, 0, 1 },

4
libswscale/x86/swscale.c
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@ -363,7 +363,7 @@ switch(c->dstBpc){ \
ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
switch (c->srcFormat) {
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
c->lumToYV12 = ff_yuyvToY_mmx;
if (c->alpPixBuf)
c->alpToYV12 = ff_uyvyToY_mmx;
@ -412,7 +412,7 @@ switch(c->dstBpc){ \
ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
switch (c->srcFormat) {
case AV_PIX_FMT_Y400A:
case AV_PIX_FMT_YA8:
c->lumToYV12 = ff_yuyvToY_sse2;
if (c->alpPixBuf)
c->alpToYV12 = ff_uyvyToY_sse2;