21 #ifndef SWSCALE_SWSCALE_INTERNAL_H
22 #define SWSCALE_SWSCALE_INTERNAL_H
37 #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
39 #define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
41 #define MAX_FILTER_SIZE 256
44 #define ALT32_CORR (-1)
62 int srcStride[],
int srcSliceY,
int srcSliceH,
63 uint8_t *dst[],
int dstStride[]);
113 const int16_t *chrFilter,
115 const int16_t **chrUSrc,
116 const int16_t **chrVSrc,
149 const int16_t *chrUSrc[2],
150 const int16_t *chrVSrc[2],
151 const int16_t *alpSrc,
uint8_t *dest,
152 int dstW,
int uvalpha,
int y);
182 const int16_t *chrUSrc[2],
183 const int16_t *chrVSrc[2],
184 const int16_t *alpSrc[2],
186 int dstW,
int yalpha,
int uvalpha,
int y);
214 const int16_t **lumSrc,
int lumFilterSize,
215 const int16_t *chrFilter,
216 const int16_t **chrUSrc,
217 const int16_t **chrVSrc,
int chrFilterSize,
218 const int16_t **alpSrc,
uint8_t *dest,
248 const int16_t **lumSrc,
int lumFilterSize,
249 const int16_t *chrFilter,
250 const int16_t **chrUSrc,
251 const int16_t **chrVSrc,
int chrFilterSize,
252 const int16_t **alpSrc,
uint8_t **dest,
372 #define RED_DITHER "0*8"
373 #define GREEN_DITHER "1*8"
374 #define BLUE_DITHER "2*8"
375 #define Y_COEFF "3*8"
376 #define VR_COEFF "4*8"
377 #define UB_COEFF "5*8"
378 #define VG_COEFF "6*8"
379 #define UG_COEFF "7*8"
380 #define Y_OFFSET "8*8"
381 #define U_OFFSET "9*8"
382 #define V_OFFSET "10*8"
383 #define LUM_MMX_FILTER_OFFSET "11*8"
384 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
385 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
386 #define ESP_OFFSET "11*8+4*4*256*2+8"
387 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
388 #define U_TEMP "11*8+4*4*256*2+24"
389 #define V_TEMP "11*8+4*4*256*2+32"
390 #define Y_TEMP "11*8+4*4*256*2+40"
391 #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
392 #define UV_OFF_PX "11*8+4*4*256*3+48"
393 #define UV_OFF_BYTE "11*8+4*4*256*3+56"
394 #define DITHER16 "11*8+4*4*256*3+64"
395 #define DITHER32 "11*8+4*4*256*3+80"
429 vector
signed short CY;
430 vector
signed short CRV;
431 vector
signed short CBU;
432 vector
signed short CGU;
433 vector
signed short CGV;
434 vector
signed short OY;
435 vector
unsigned short CSHIFT;
436 vector
signed short *vYCoeffsBank, *vCCoeffsBank;
450 int width, uint32_t *pal);
453 int width, uint32_t *pal);
457 int width, uint32_t *pal);
489 int16_t *dst,
int dstWidth,
492 int16_t *dst1, int16_t *dst2,
int dstWidth,
530 const int32_t *filterPos,
int filterSize);
533 const int32_t *filterPos,
int filterSize);
604 (!(av_pix_fmt_descriptors[x].flags & AV_PIX_FMT_FLAG_PAL) && \
605 av_pix_fmt_descriptors[x].nb_components <= 2)
608 ((x) == AV_PIX_FMT_GRAY8 || \
609 (x) == AV_PIX_FMT_YA8 || \
610 (x) == AV_PIX_FMT_GRAY16BE || \
611 (x) == AV_PIX_FMT_GRAY16LE || \
612 (x) == AV_PIX_FMT_YA16BE || \
613 (x) == AV_PIX_FMT_YA16LE)
616 #define isRGBinInt(x) \
617 ((x) == AV_PIX_FMT_RGB48BE || \
618 (x) == AV_PIX_FMT_RGB48LE || \
619 (x) == AV_PIX_FMT_RGB32 || \
620 (x) == AV_PIX_FMT_RGB32_1 || \
621 (x) == AV_PIX_FMT_RGB24 || \
622 (x) == AV_PIX_FMT_RGB565BE || \
623 (x) == AV_PIX_FMT_RGB565LE || \
624 (x) == AV_PIX_FMT_RGB555BE || \
625 (x) == AV_PIX_FMT_RGB555LE || \
626 (x) == AV_PIX_FMT_RGB444BE || \
627 (x) == AV_PIX_FMT_RGB444LE || \
628 (x) == AV_PIX_FMT_RGB8 || \
629 (x) == AV_PIX_FMT_RGB4 || \
630 (x) == AV_PIX_FMT_RGB4_BYTE || \
631 (x) == AV_PIX_FMT_RGBA64BE || \
632 (x) == AV_PIX_FMT_RGBA64LE || \
633 (x) == AV_PIX_FMT_MONOBLACK || \
634 (x) == AV_PIX_FMT_MONOWHITE)
636 #define isBGRinInt(x) \
637 ((x) == AV_PIX_FMT_BGR48BE || \
638 (x) == AV_PIX_FMT_BGR48LE || \
639 (x) == AV_PIX_FMT_BGR32 || \
640 (x) == AV_PIX_FMT_BGR32_1 || \
641 (x) == AV_PIX_FMT_BGR24 || \
642 (x) == AV_PIX_FMT_BGR565BE || \
643 (x) == AV_PIX_FMT_BGR565LE || \
644 (x) == AV_PIX_FMT_BGR555BE || \
645 (x) == AV_PIX_FMT_BGR555LE || \
646 (x) == AV_PIX_FMT_BGR444BE || \
647 (x) == AV_PIX_FMT_BGR444LE || \
648 (x) == AV_PIX_FMT_BGR8 || \
649 (x) == AV_PIX_FMT_BGR4 || \
650 (x) == AV_PIX_FMT_BGR4_BYTE || \
651 (x) == AV_PIX_FMT_BGRA64BE || \
652 (x) == AV_PIX_FMT_BGRA64LE || \
653 (x) == AV_PIX_FMT_MONOBLACK || \
654 (x) == AV_PIX_FMT_MONOWHITE)
656 #define isAnyRGB(x) \
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
void ff_sws_init_output_funcs(SwsContext *c, yuv2planar1_fn *yuv2plane1, yuv2planarX_fn *yuv2planeX, yuv2interleavedX_fn *yuv2nv12cX, yuv2packed1_fn *yuv2packed1, yuv2packed2_fn *yuv2packed2, yuv2packedX_fn *yuv2packedX, yuv2anyX_fn *yuv2anyX)
const char * sws_format_name(enum AVPixelFormat format)
int16_t ** alpPixBuf
Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
ptrdiff_t uv_off_px
offset (in pixels) between u and v planes
const uint64_t ff_dither8[2]
int chrBufIndex
Index in ring buffer of the last scaled horizontal chroma line from source.
void(* hcscale_fast)(struct SwsContext *c, int16_t *dst1, int16_t *dst2, int dstWidth, const uint8_t *src1, const uint8_t *src2, int srcW, int xInc)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
int chrSrcH
Height of source chroma planes.
static av_always_inline int isPlanarRGB(enum AVPixelFormat pix_fmt)
uint8_t * chrMmxextFilterCode
Runtime-generated MMXEXT horizontal fast bilinear scaler code for chroma planes.
uint8_t * lumMmxextFilterCode
Runtime-generated MMXEXT horizontal fast bilinear scaler code for luma/alpha planes.
void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex, int lastInLumBuf, int lastInChrBuf)
int vChrDrop
Binary logarithm of extra vertical subsampling factor in source image chroma planes specified by user...
int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
#define DECLARE_ALIGNED(n, t, v)
void(* readChrPlanar)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src[4], int width)
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
int srcRange
0 = MPG YUV range, 1 = JPG YUV range (source image).
const uint8_t * lumDither8
int dstY
Last destination vertical line output from last slice.
void ff_sws_init_input_funcs(SwsContext *c)
void(* readLumPlanar)(uint8_t *dst, const uint8_t *src[4], int width)
Functions to read planar input, such as planar RGB, and convert internally to Y/UV.
int srcH
Height of source luma/alpha planes.
#define av_assert0(cond)
assert() equivalent, that is always enabled.
const int32_t ff_yuv2rgb_coeffs[8][4]
int chrDstVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination i...
void(* yuv2interleavedX_fn)(struct SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int dstW)
Write one line of horizontally scaled chroma to interleaved output with multi-point vertical scaling ...
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
8 bit with PIX_FMT_RGB32 palette
int vChrFilterSize
Vertical filter size for chroma pixels.
void(* yuv2anyX_fn)(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t **dest, int dstW, int y)
Write one line of horizontally scaled Y/U/V/A to YUV/RGB output by doing multi-point vertical scaling...
int16_t ** lumPixBuf
Ring buffer for scaled horizontal luma plane lines to be fed to the vertical scaler.
SwsFunc ff_yuv2rgb_init_x86(SwsContext *c)
int lastInLumBuf
Last scaled horizontal luma/alpha line from source in the ring buffer.
enum AVPixelFormat dstFormat
Destination pixel format.
int chrSrcHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source imag...
static av_always_inline int isYUV(enum AVPixelFormat pix_fmt)
yuv2packedX_fn yuv2packedX
void(* lumConvertRange)(int16_t *dst, int width)
Color range conversion function for luma plane if needed.
int32_t * vChrFilterPos
Array of vertical filter starting positions for each dst[i] for chroma planes.
int dstH
Height of destination luma/alpha planes.
void(* yuv2packed1_fn)(struct SwsContext *c, const int16_t *lumSrc, const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc, uint8_t *dest, int dstW, int uvalpha, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output without any additional v...
uint16_t depth_minus1
Number of bits in the component minus 1.
const uint64_t ff_dither4[2]
int16_t ** chrVPixBuf
Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int32_t * hChrFilterPos
Array of horizontal filter starting positions for each dst[i] for chroma planes.
int hLumFilterSize
Horizontal filter size for luma/alpha pixels.
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
yuv2packed1_fn yuv2packed1
simple assert() macros that are a bit more flexible than ISO C assert().
int vChrBufSize
Number of vertical chroma lines allocated in the ring buffer.
const uint8_t ff_dither_8x8_220[8][8]
int chrDstW
Width of destination chroma planes.
void(* alpToYV12)(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
Unscaled conversion of alpha plane to YV12 for horizontal scaler.
void(* chrConvertRange)(int16_t *dst1, int16_t *dst2, int width)
Color range conversion function for chroma planes if needed.
int32_t alpMmxFilter[4 *MAX_FILTER_SIZE]
int32_t * hLumFilterPos
Array of horizontal filter starting positions for each dst[i] for luma/alpha planes.
int hChrFilterSize
Horizontal filter size for chroma pixels.
static void filter(MpegAudioContext *s, int ch, const short *samples, int incr)
ptrdiff_t uv_off_byte
offset (in bytes) between u and v planes
int dstRange
0 = MPG YUV range, 1 = JPG YUV range (destination image).
void ff_sws_init_swscale_ppc(SwsContext *c)
uint8_t nb_components
The number of components each pixel has, (1-4)
void(* yuv2planar1_fn)(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Write one line of horizontally scaled data to planar output without any additional vertical scaling (...
uint8_t * formatConvBuffer
void(* chrToYV12)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *pal)
Unscaled conversion of chroma planes to YV12 for horizontal scaler.
static av_always_inline int is9_OR_10BPS(enum AVPixelFormat pix_fmt)
yuv2planar1_fn yuv2plane1
int vLumBufSize
Number of vertical luma/alpha lines allocated in the ring buffer.
int16_t ** chrUPixBuf
Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
yuv2interleavedX_fn yuv2nv12cX
#define AV_PIX_FMT_FLAG_PSEUDOPAL
The pixel format is "pseudo-paletted".
void(* hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
enum AVPixelFormat pix_fmt
int srcColorspaceTable[4]
int dstW
Width of destination luma/alpha planes.
int sliceDir
Direction that slices are fed to the scaler (1 = top-to-bottom, -1 = bottom-to-top).
int needs_hcscale
Set if there are chroma planes to be converted.
int32_t * vLumFilterPos
Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
static const uint16_t dither[8][8]
SwsFunc ff_getSwsFunc(SwsContext *c)
Return function pointer to fastest main scaler path function depending on architecture and available ...
const uint8_t ff_dither_8x8_128[8][8]
int dstColorspaceTable[4]
const AVClass * av_class
info on struct for av_log
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
yuv2planarX_fn yuv2planeX
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
const uint8_t ff_dither_8x8_32[8][8]
int chrDstH
Height of destination chroma planes.
static av_always_inline int isRGB(enum AVPixelFormat pix_fmt)
int(* SwsFunc)(struct SwsContext *context, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
int lumMmxextFilterCodeSize
Runtime-generated MMXEXT horizontal fast bilinear scaler code size for luma/alpha planes...
Describe the class of an AVClass context structure.
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
int chrMmxextFilterCodeSize
Runtime-generated MMXEXT horizontal fast bilinear scaler code size for chroma planes.
static av_always_inline int isPlanarYUV(enum AVPixelFormat pix_fmt)
static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
int16_t * vChrFilter
Array of vertical filter coefficients for chroma planes.
void ff_sws_init_swscale_x86(SwsContext *c)
int16_t * hLumFilter
Array of horizontal filter coefficients for luma/alpha planes.
const uint8_t ff_dither_8x8_73[8][8]
const uint8_t * chrDither8
void ff_get_unscaled_swscale_ppc(SwsContext *c)
int lumBufIndex
Index in ring buffer of the last scaled horizontal luma/alpha line from source.
int lastInChrBuf
Last scaled horizontal chroma line from source in the ring buffer.
yuv2packed2_fn yuv2packed2
void(* yuv2planarX_fn)(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Write one line of horizontally scaled data to planar output with multi-point vertical scaling between...
double param[2]
Input parameters for scaling algorithms that need them.
common internal and external API header
void(* yuv2packed2_fn)(struct SwsContext *c, const int16_t *lumSrc[2], const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing bilinear scalin...
void(* yuv2packedX_fn)(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing multi-point ver...
enum AVPixelFormat srcFormat
Source pixel format.
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
void(* hyscale_fast)(struct SwsContext *c, int16_t *dst, int dstWidth, const uint8_t *src, int srcW, int xInc)
Scale one horizontal line of input data using a bilinear filter to produce one line of output data...
#define AV_PIX_FMT_FLAG_BE
Pixel format is big-endian.
SwsFunc swscale
Note that src, dst, srcStride, dstStride will be copied in the sws_scale() wrapper so they can be fre...
void ff_yuv2rgb_init_tables_ppc(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation)
const AVClass sws_context_class
int srcFormatBpp
Number of bits per pixel of the source pixel format.
static av_always_inline int isPackedRGB(enum AVPixelFormat pix_fmt)
int16_t * vLumFilter
Array of vertical filter coefficients for luma/alpha planes.
const uint8_t ff_dither_4x4_16[4][8]
static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
int16_t * hChrFilter
Array of horizontal filter coefficients for chroma planes.
static av_always_inline int isPacked(enum AVPixelFormat pix_fmt)
int chrDstHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination...
int chrSrcW
Width of source chroma planes.
void ff_get_unscaled_swscale(SwsContext *c)
Set c->swscale to an unscaled converter if one exists for the specific source and destination formats...
int srcW
Width of source luma/alpha planes.
int chrSrcVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in source image...
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
AVPixelFormat
Pixel format.
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
void(* lumToYV12)(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
Unscaled conversion of luma plane to YV12 for horizontal scaler.
void(* hyScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
Scale one horizontal line of input data using a filter over the input lines, to produce one (differen...
SwsFunc ff_yuv2rgb_init_ppc(SwsContext *c)