mirror of https://git.videolan.org/git/ffmpeg.git
swscale/arm: add ff_nv{12,21}_to_{argb,rgba,abgr,bgra}_neon_16
This commit is contained in:
Matthieu Bouron
parent
102842d5fb
commit
5aca33c2cf
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@ -63,8 +63,8 @@ static int rgbx_to_nv12_neon_16_wrapper(SwsContext *context, const uint8_t *src[
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}
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}
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#endif
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#endif
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#define DECLARE_FF_NVX_TO_RGBX_FUNCS(ifmt, ofmt) \
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#define DECLARE_FF_NVX_TO_RGBX_FUNCS(ifmt, ofmt, precision) \
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int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
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int ff_##ifmt##_to_##ofmt##_neon_##precision(int w, int h, \
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uint8_t *dst, int linesize, \
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uint8_t *dst, int linesize, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcY, int linesizeY, \
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const uint8_t *srcC, int linesizeC, \
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const uint8_t *srcC, int linesizeC, \
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@ -72,59 +72,64 @@ int ff_##ifmt##_to_##ofmt##_neon(int w, int h,
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int y_offset, \
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int y_offset, \
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int y_coeff); \
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int y_coeff); \
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\
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\
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static int ifmt##_to_##ofmt##_neon_wrapper(SwsContext *c, const uint8_t *src[], \
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static int ifmt##_to_##ofmt##_neon_wrapper_##precision(SwsContext *c, const uint8_t *src[], \
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int srcStride[], int srcSliceY, int srcSliceH, \
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int srcStride[], int srcSliceY, int srcSliceH, \
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uint8_t *dst[], int dstStride[]) { \
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uint8_t *dst[], int dstStride[]) { \
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const int16_t yuv2rgb_table[] = { \
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const int16_t yuv2rgb_table[] = { \
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c->yuv2rgb_v2r_coeff, \
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c->yuv2rgb_v2r_coeff / ((precision) == 16 ? 1 << 7 : 1), \
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c->yuv2rgb_u2g_coeff, \
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c->yuv2rgb_u2g_coeff / ((precision) == 16 ? 1 << 7 : 1), \
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c->yuv2rgb_v2g_coeff, \
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c->yuv2rgb_v2g_coeff / ((precision) == 16 ? 1 << 7 : 1), \
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c->yuv2rgb_u2b_coeff, \
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c->yuv2rgb_u2b_coeff / ((precision) == 16 ? 1 << 7 : 1), \
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}; \
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}; \
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\
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\
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ff_##ifmt##_to_##ofmt##_neon(c->srcW, srcSliceH, \
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ff_##ifmt##_to_##ofmt##_neon_##precision(c->srcW, srcSliceH, \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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dst[0] + srcSliceY * dstStride[0], dstStride[0], \
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src[0] + srcSliceY * srcStride[0], srcStride[0], \
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src[0] + srcSliceY * srcStride[0], srcStride[0], \
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src[1] + (srcSliceY / 2) * srcStride[1], srcStride[1], \
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src[1] + (srcSliceY / 2) * srcStride[1], srcStride[1], \
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yuv2rgb_table, \
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yuv2rgb_table, \
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c->yuv2rgb_y_offset >> 9, \
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c->yuv2rgb_y_offset >> 9, \
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c->yuv2rgb_y_coeff); \
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c->yuv2rgb_y_coeff / ((precision) == 16 ? 1 << 7 : 1)); \
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\
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\
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return 0; \
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return 0; \
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}
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} \
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#define DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx) \
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#define DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx, precision) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, argb) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, argb, precision) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, rgba) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, rgba, precision) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, abgr) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, abgr, precision) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, bgra) \
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DECLARE_FF_NVX_TO_RGBX_FUNCS(nvx, bgra, precision) \
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv12)
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#define DECLARE_FF_NVX_TO_ALL_RGBX_ALL_PRECISION_FUNCS(nvx) \
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nv21)
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx, 16) \
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DECLARE_FF_NVX_TO_ALL_RGBX_FUNCS(nvx, 32) \
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DECLARE_FF_NVX_TO_ALL_RGBX_ALL_PRECISION_FUNCS(nv12)
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DECLARE_FF_NVX_TO_ALL_RGBX_ALL_PRECISION_FUNCS(nv21)
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/* We need a 16 pixel width alignment. This constraint can easily be removed
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/* We need a 16 pixel width alignment. This constraint can easily be removed
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* for input reading but for the output which is 4-bytes per pixel (RGBA) the
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* for input reading but for the output which is 4-bytes per pixel (RGBA) the
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* assembly might be writing as much as 4*15=60 extra bytes at the end of the
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* assembly might be writing as much as 4*15=60 extra bytes at the end of the
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* line, which won't fit the 32-bytes buffer alignment. */
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* line, which won't fit the 32-bytes buffer alignment. */
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#define SET_FF_NVX_TO_RGBX_FUNC(ifmt, IFMT, ofmt, OFMT) do { \
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#define SET_FF_NVX_TO_RGBX_FUNC(ifmt, IFMT, ofmt, OFMT, accurate_rnd) do { \
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if (c->srcFormat == AV_PIX_FMT_##IFMT \
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if (c->srcFormat == AV_PIX_FMT_##IFMT \
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&& c->dstFormat == AV_PIX_FMT_##OFMT \
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&& c->dstFormat == AV_PIX_FMT_##OFMT \
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&& !(c->srcH & 1) \
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&& !(c->srcH & 1) \
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&& !(c->srcW & 15)) { \
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&& !(c->srcW & 15)) { \
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c->swscale = ifmt##_to_##ofmt##_neon_wrapper; \
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c->swscale = (accurate_rnd) ? ifmt##_to_##ofmt##_neon_wrapper_32 : \
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ifmt##_to_##ofmt##_neon_wrapper_16 ; \
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} \
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} \
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} while (0)
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} while (0)
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#define SET_FF_NVX_TO_ALL_RGBX_FUNC(nvx, NVX) do { \
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#define SET_FF_NVX_TO_ALL_RGBX_FUNC(nvx, NVX, accurate_rnd) do { \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, argb, ARGB); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, argb, ARGB, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, rgba, RGBA); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, rgba, RGBA, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, abgr, ABGR); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, abgr, ABGR, accurate_rnd); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, bgra, BGRA); \
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SET_FF_NVX_TO_RGBX_FUNC(nvx, NVX, bgra, BGRA, accurate_rnd); \
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} while (0)
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} while (0)
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static void get_unscaled_swscale_neon(SwsContext *c) {
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static void get_unscaled_swscale_neon(SwsContext *c) {
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#if 0
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int accurate_rnd = c->flags & SWS_ACCURATE_RND;
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int accurate_rnd = c->flags & SWS_ACCURATE_RND;
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#if 0
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if (c->srcFormat == AV_PIX_FMT_RGBA
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if (c->srcFormat == AV_PIX_FMT_RGBA
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&& c->dstFormat == AV_PIX_FMT_NV12
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&& c->dstFormat == AV_PIX_FMT_NV12
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&& (c->srcW >= 16)) {
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&& (c->srcW >= 16)) {
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@ -133,8 +138,8 @@ static void get_unscaled_swscale_neon(SwsContext *c) {
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}
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}
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#endif
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#endif
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv12, NV12);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv12, NV12, accurate_rnd);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv21, NV21);
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SET_FF_NVX_TO_ALL_RGBX_FUNC(nv21, NV21, accurate_rnd);
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}
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}
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void ff_get_unscaled_swscale_arm(SwsContext *c)
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void ff_get_unscaled_swscale_arm(SwsContext *c)
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@ -21,7 +21,35 @@
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#include "libavutil/arm/asm.S"
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#include "libavutil/arm/asm.S"
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.macro compute_premult half_u half_v
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.macro compute_premult_16 half_u1, half_u2, half_v1, half_v2
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vmov d2, \half_u1 @ copy left q14 to left q1
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vmov d3, \half_u1 @ copy left q14 to right q1
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vmov d4, \half_u2 @ copy right q14 to left q2
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vmov d5, \half_u2 @ copy right q14 to right q2
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vmov d6, \half_v1 @ copy left q15 to left q3
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vmov d7, \half_v1 @ copy left q15 to right q3
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vmov d8, \half_v2 @ copy right q15 to left q4
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vmov d9, \half_v2 @ copy right q15 to right q4
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vzip.16 d2, d3 @ U1U1U2U2U3U3U4U4
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vzip.16 d4, d5 @ U5U5U6U6U7U7U8U8
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vzip.16 d6, d7 @ V1V1V2V2V3V3V4V4
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vzip.16 d8, d9 @ V5V5V6V6V7V7V8V8
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vmul.s16 q8, q3, d1[0] @ V * v2r (left, red)
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vmul.s16 q9, q4, d1[0] @ V * v2r (right, red)
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vmul.s16 q10, q1, d1[1] @ U * u2g
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vmul.s16 q11, q2, d1[1] @ U * u2g
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vmla.s16 q10, q3, d1[2] @ U * u2g + V * v2g (left, green)
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vmla.s16 q11, q4, d1[2] @ U * u2g + V * v2g (right, green)
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vmul.s16 q12, q1, d1[3] @ U * u2b (left, blue)
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vmul.s16 q13, q2, d1[3] @ U * u2b (right, blue)
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.endm
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.macro compute_premult_32 half_u half_v
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vmov d2, \half_u @ copy left q14 to left q1
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vmov d2, \half_u @ copy left q14 to left q1
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vmov d3, \half_u @ copy left q14 to right q1
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vmov d3, \half_u @ copy left q14 to right q1
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vmov d4, \half_v @ copy left q15 to left q2
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vmov d4, \half_v @ copy left q15 to left q2
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@ -40,7 +68,14 @@
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vmull.s16 q13, d3, d1[3] @ U * u2b (right, blue)
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vmull.s16 q13, d3, d1[3] @ U * u2b (right, blue)
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.endm
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.endm
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.macro compute_color dst_comp pre1 pre2
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.macro compute_color_16 dst_comp1 dst_comp2 pre1 pre2
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vadd.s16 q1, q14, \pre1
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vadd.s16 q2, q15, \pre2
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vqrshrun.s16 \dst_comp1, q1, #6
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vqrshrun.s16 \dst_comp2, q2, #6
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.endm
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.macro compute_color_32 dst_comp pre1 pre2
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vadd.s32 q3, q1, \pre1
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vadd.s32 q3, q1, \pre1
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vadd.s32 q4, q2, \pre2
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vadd.s32 q4, q2, \pre2
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vqrshrun.s32 d10, q3, #13
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vqrshrun.s32 d10, q3, #13
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@ -48,14 +83,56 @@
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vqmovn.u16 \dst_comp, q5 @ saturate 16bit -> 8bit
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vqmovn.u16 \dst_comp, q5 @ saturate 16bit -> 8bit
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.endm
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.endm
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.macro compute_rgba r g b a
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.macro compute_rgba_16 r1 r2 g1 g2 b1 b2 a1 a2
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compute_color \r, q8, q9
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compute_color_16 \r1, \r2, q8, q9
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compute_color \g, q10, q11
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compute_color_16 \g1, \g2, q10, q11
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compute_color \b, q12, q13
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compute_color_16 \b1, \b2, q12, q13
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vmov.u8 \a1, #255
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vmov.u8 \a2, #255
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.endm
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.macro compute_rgba_32 r g b a
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compute_color_32 \r, q8, q9
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compute_color_32 \g, q10, q11
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compute_color_32 \b, q12, q13
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vmov.u8 \a, #255
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vmov.u8 \a, #255
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.endm
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.endm
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.macro compute_half_line dst half_y ofmt
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.macro compute_16px_16 dst y0 y1 ofmt
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vmovl.u8 q14, \y0 @ 8px of y
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vmovl.u8 q15, \y1 @ 8px of y
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vdup.16 q5, r9 @ q5 = y_offset
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vdup.16 q7, r10 @ q7 = y_coeff
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vsub.s16 q14, q5
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vsub.s16 q15, q5
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vmul.s16 q14, q7 @ q14 = (srcY - y_offset) * y_coeff (left)
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vmul.s16 q15, q7 @ q15 = (srcY - y_offset) * y_coeff (right)
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.ifc \ofmt,argb
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compute_rgba_16 d7, d11, d8, d12, d9, d13, d6, d10
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.endif
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.ifc \ofmt,rgba
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compute_rgba_16 d6, d10, d7, d11, d8, d12, d9, d13
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.endif
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.ifc \ofmt,abgr
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compute_rgba_16 d9, d13, d8, d12, d7, d11, d6, d10
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.endif
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.ifc \ofmt,bgra
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compute_rgba_16 d8, d12, d7, d11, d6, d10, d9, d13
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.endif
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vst4.8 {q3, q4}, [\dst,:128]!
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vst4.8 {q5, q6}, [\dst,:128]!
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.endm
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.macro compute_8px_32 dst half_y ofmt
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vmovl.u8 q7, \half_y @ 8px of Y
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vmovl.u8 q7, \half_y @ 8px of Y
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vdup.16 q5, r9
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vdup.16 q5, r9
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vsub.s16 q7, q5
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vsub.s16 q7, q5
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@ -63,26 +140,51 @@
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vmull.s16 q2, d15, d0 @ q2 = (srcY - y_offset) * y_coeff (right)
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vmull.s16 q2, d15, d0 @ q2 = (srcY - y_offset) * y_coeff (right)
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.ifc \ofmt,argb
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.ifc \ofmt,argb
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compute_rgba d13, d14, d15, d12
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compute_rgba_32 d13, d14, d15, d12
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.endif
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.endif
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.ifc \ofmt,rgba
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.ifc \ofmt,rgba
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compute_rgba d12, d13, d14, d15
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compute_rgba_32 d12, d13, d14, d15
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.endif
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.endif
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.ifc \ofmt,abgr
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.ifc \ofmt,abgr
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compute_rgba d15, d14, d13, d12
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compute_rgba_32 d15, d14, d13, d12
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.endif
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.endif
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.ifc \ofmt,bgra
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.ifc \ofmt,bgra
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compute_rgba d14, d13, d12, d15
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compute_rgba_32 d14, d13, d12, d15
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.endif
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.endif
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vst4.8 {q6, q7}, [\dst,:128]!
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vst4.8 {q6, q7}, [\dst,:128]!
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.endm
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.endm
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.macro declare_func ifmt ofmt
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.macro process_16px_16 ofmt
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function ff_\ifmt\()_to_\ofmt\()_neon, export=1
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compute_premult_16 d28, d29, d30, d31
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vld1.8 {q7}, [r4]! @ first line of luma
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compute_16px_16 r2, d14, d15, \ofmt
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vld1.8 {q7}, [r12]! @ second line of luma
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compute_16px_16 r11, d14, d15, \ofmt
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.endm
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.macro process_16px_32 ofmt
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compute_premult_32 d28, d30
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vld1.8 {q7}, [r4]! @ first line of luma
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vmov d28, d15 @ save right of the first line of luma for later use
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compute_8px_32 r2, d14, \ofmt
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vld1.8 {q7}, [r12]! @ second line of luma
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vmov d30, d15 @ save right of the second line of luma for later use
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compute_8px_32 r11, d14, \ofmt
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compute_premult_32 d29, d31
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compute_8px_32 r2, d28, \ofmt
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compute_8px_32 r11, d30, \ofmt
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.endm
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.macro load_args
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push {r4-r12, lr}
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push {r4-r12, lr}
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vpush {q4-q7}
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vpush {q4-q7}
|
||||||
ldr r4, [sp, #104] @ r4 = srcY
|
ldr r4, [sp, #104] @ r4 = srcY
|
||||||
|
|
@ -102,6 +204,11 @@ function ff_\ifmt\()_to_\ofmt\()_neon, export=1
|
||||||
sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding)
|
sub r3, r3, r8 @ r3 = linesize * 2 - width * 4 (padding)
|
||||||
sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY)
|
sub r5, r5, r0 @ r5 = linesizeY * 2 - width (paddingY)
|
||||||
sub r7, r7, r0 @ r7 = linesizeC - width (paddingC)
|
sub r7, r7, r0 @ r7 = linesizeC - width (paddingC)
|
||||||
|
.endm
|
||||||
|
|
||||||
|
.macro declare_func ifmt ofmt precision
|
||||||
|
function ff_\ifmt\()_to_\ofmt\()_neon_\precision\(), export=1
|
||||||
|
load_args
|
||||||
1:
|
1:
|
||||||
mov r8, r0 @ r8 = width
|
mov r8, r0 @ r8 = width
|
||||||
2:
|
2:
|
||||||
|
|
@ -119,19 +226,13 @@ function ff_\ifmt\()_to_\ofmt\()_neon, export=1
|
||||||
vsubl.u8 q15, d2, d10 @ q15 = V - 128
|
vsubl.u8 q15, d2, d10 @ q15 = V - 128
|
||||||
.endif
|
.endif
|
||||||
|
|
||||||
compute_premult d28, d30
|
.ifc \precision,16
|
||||||
|
process_16px_16 \ofmt
|
||||||
|
.endif
|
||||||
|
|
||||||
vld1.8 {q7}, [r4]! @ first line of luma
|
.ifc \precision,32
|
||||||
vmov d28, d15 @ save right of the first line of luma for later use
|
process_16px_32 \ofmt
|
||||||
compute_half_line r2, d14, \ofmt
|
.endif
|
||||||
|
|
||||||
vld1.8 {q7}, [r12]! @ second line of luma
|
|
||||||
vmov d30, d15 @ save right of the second line of luma for later use
|
|
||||||
compute_half_line r11, d14, \ofmt
|
|
||||||
|
|
||||||
compute_premult d29, d31
|
|
||||||
compute_half_line r2, d28, \ofmt
|
|
||||||
compute_half_line r11, d30, \ofmt
|
|
||||||
|
|
||||||
subs r8, r8, #16 @ width -= 16
|
subs r8, r8, #16 @ width -= 16
|
||||||
bgt 2b
|
bgt 2b
|
||||||
|
|
@ -151,12 +252,14 @@ function ff_\ifmt\()_to_\ofmt\()_neon, export=1
|
||||||
endfunc
|
endfunc
|
||||||
.endm
|
.endm
|
||||||
|
|
||||||
.macro declare_rgb_funcs ifmt
|
.macro declare_rgb_funcs ifmt precision
|
||||||
declare_func \ifmt, argb
|
declare_func \ifmt, argb, \precision
|
||||||
declare_func \ifmt, rgba
|
declare_func \ifmt, rgba, \precision
|
||||||
declare_func \ifmt, abgr
|
declare_func \ifmt, abgr, \precision
|
||||||
declare_func \ifmt, bgra
|
declare_func \ifmt, bgra, \precision
|
||||||
.endm
|
.endm
|
||||||
|
|
||||||
declare_rgb_funcs nv12
|
declare_rgb_funcs nv12, 16
|
||||||
declare_rgb_funcs nv21
|
declare_rgb_funcs nv21, 16
|
||||||
|
declare_rgb_funcs nv12, 32
|
||||||
|
declare_rgb_funcs nv21, 32
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue