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authorAlan Kelly <alankelly-at-google.com@ffmpeg.org>2022-07-15 16:59:43 +0200
committerAnton Khirnov <anton@khirnov.net>2022-08-18 16:24:48 +0200
commita38293e4448c9389e604af9858984361a5677a20 (patch)
tree3ef0779d0e57789967b69edbd1d3dc187e529762 /libswscale
parenta6724285fd45111436dd5242eab2c489182aa5c2 (diff)
downloadffmpeg-a38293e4448c9389e604af9858984361a5677a20.tar.gz
libswscale: Enable hscale_avx2 for all input sizes.
ff_shuffle_filter_coefficients shuffles the tail as required. Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/utils.c19
-rw-r--r--libswscale/x86/swscale.c6
2 files changed, 18 insertions, 7 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 34503e57f4..baa1791ebe 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -268,8 +268,7 @@ int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
#if ARCH_X86_64
int i, j, k;
int cpu_flags = av_get_cpu_flags();
- // avx2 hscale filter processes 16 pixel blocks.
- if (!filter || dstW % 16 != 0)
+ if (!filter)
return 0;
if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
@@ -281,9 +280,11 @@ int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
}
// Do not swap filterPos for pixels which won't be processed by
// the main loop.
- for (i = 0; i + 8 <= dstW; i += 8) {
+ for (i = 0; i + 16 <= dstW; i += 16) {
FFSWAP(int, filterPos[i + 2], filterPos[i + 4]);
FFSWAP(int, filterPos[i + 3], filterPos[i + 5]);
+ FFSWAP(int, filterPos[i + 10], filterPos[i + 12]);
+ FFSWAP(int, filterPos[i + 11], filterPos[i + 13]);
}
if (filterSize > 4) {
// 16 pixels are processed at a time.
@@ -297,6 +298,18 @@ int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
}
}
}
+ // 4 pixels are processed at a time in the tail.
+ for (; i < dstW; i += 4) {
+ // 4 filter coeffs are processed at a time.
+ int rem = dstW - i >= 4 ? 4 : dstW - i;
+ for (k = 0; k + 4 <= filterSize; k += 4) {
+ for (j = 0; j < rem; ++j) {
+ int from = (i + j) * filterSize + k;
+ int to = i * filterSize + j * 4 + k * 4;
+ memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
+ }
+ }
+ }
}
av_free(filterCopy);
}
diff --git a/libswscale/x86/swscale.c b/libswscale/x86/swscale.c
index 89ef9f5d2b..ec1ca0e01c 100644
--- a/libswscale/x86/swscale.c
+++ b/libswscale/x86/swscale.c
@@ -625,10 +625,8 @@ switch(c->dstBpc){ \
if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
- if (c->chrDstW % 16 == 0)
- ASSIGN_AVX2_SCALE_FUNC(c->hcScale, c->hChrFilterSize);
- if (c->dstW % 16 == 0)
- ASSIGN_AVX2_SCALE_FUNC(c->hyScale, c->hLumFilterSize);
+ ASSIGN_AVX2_SCALE_FUNC(c->hcScale, c->hChrFilterSize);
+ ASSIGN_AVX2_SCALE_FUNC(c->hyScale, c->hLumFilterSize);
}
}