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-rw-r--r--libswscale/utils.c94
1 files changed, 53 insertions, 41 deletions
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 6647f68682..ec246e22c5 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1,23 +1,25 @@
/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#define _SVID_SOURCE //needed for MAP_ANONYMOUS
+#define _DARWIN_C_SOURCE // needed for MAP_ANON
#include <inttypes.h>
#include <string.h>
#include <math.h>
@@ -44,6 +46,7 @@
#include "libavutil/bswap.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
+#include "libavutil/avassert.h"
unsigned swscale_version(void)
{
@@ -52,13 +55,13 @@ unsigned swscale_version(void)
const char *swscale_configuration(void)
{
- return LIBAV_CONFIGURATION;
+ return FFMPEG_CONFIGURATION;
}
const char *swscale_license(void)
{
#define LICENSE_PREFIX "libswscale license: "
- return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
#define RET 0xC3 //near return opcode for x86
@@ -87,7 +90,7 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_RGB555LE \
|| (x)==PIX_FMT_RGB555BE \
|| (x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_Y400A \
+ || (x)==PIX_FMT_GRAY8A \
|| (x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV440P \
|| (x)==PIX_FMT_NV12 \
@@ -117,6 +120,7 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_YUV420P16LE \
|| (x)==PIX_FMT_YUV422P16LE \
|| (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV422P10LE \
|| (x)==PIX_FMT_YUV420P9BE \
|| (x)==PIX_FMT_YUV444P9BE \
|| (x)==PIX_FMT_YUV420P10BE \
@@ -125,6 +129,7 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_YUV420P16BE \
|| (x)==PIX_FMT_YUV422P16BE \
|| (x)==PIX_FMT_YUV444P16BE \
+ || (x)==PIX_FMT_YUV422P10BE \
)
int sws_isSupportedInput(enum PixelFormat pix_fmt)
@@ -173,11 +178,13 @@ int sws_isSupportedInput(enum PixelFormat pix_fmt)
|| (x)==PIX_FMT_GRAY8 \
|| (x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV440P \
+ || (x)==PIX_FMT_YUV422P10LE \
|| (x)==PIX_FMT_YUV420P9LE \
|| (x)==PIX_FMT_YUV420P10LE \
|| (x)==PIX_FMT_YUV420P16LE \
|| (x)==PIX_FMT_YUV422P16LE \
|| (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV422P10BE \
|| (x)==PIX_FMT_YUV420P9BE \
|| (x)==PIX_FMT_YUV420P10BE \
|| (x)==PIX_FMT_YUV420P16BE \
@@ -192,13 +199,12 @@ int sws_isSupportedOutput(enum PixelFormat pix_fmt)
extern const int32_t ff_yuv2rgb_coeffs[8][4];
+#if FF_API_SWS_FORMAT_NAME
const char *sws_format_name(enum PixelFormat format)
{
- if ((unsigned)format < PIX_FMT_NB && av_pix_fmt_descriptors[format].name)
- return av_pix_fmt_descriptors[format].name;
- else
- return "Unknown format";
+ return av_get_pix_fmt_name(format);
}
+#endif
static double getSplineCoeff(double a, double b, double c, double d, double dist)
{
@@ -740,7 +746,7 @@ int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
int *srcRange, int **table, int *dstRange,
int *brightness, int *contrast, int *saturation)
{
- if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
+ if (!c || isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
*inv_table = c->srcColorspaceTable;
*table = c->dstColorspaceTable;
@@ -776,7 +782,7 @@ SwsContext *sws_alloc_context(void)
int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
{
- int i;
+ int i, j;
int usesVFilter, usesHFilter;
int unscaled;
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
@@ -784,7 +790,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
int srcH= c->srcH;
int dstW= c->dstW;
int dstH= c->dstH;
- int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 16, 16), dst_stride_px = dst_stride >> 1;
+ int dst_stride = FFALIGN(dstW * sizeof(int16_t)+66, 16);
int flags, cpu_flags;
enum PixelFormat srcFormat= c->srcFormat;
enum PixelFormat dstFormat= c->dstFormat;
@@ -797,11 +803,11 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
unscaled = (srcW == dstW && srcH == dstH);
if (!isSupportedIn(srcFormat)) {
- av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", sws_format_name(srcFormat));
+ av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n", av_get_pix_fmt_name(srcFormat));
return AVERROR(EINVAL);
}
if (!isSupportedOut(dstFormat)) {
- av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", sws_format_name(dstFormat));
+ av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n", av_get_pix_fmt_name(dstFormat));
return AVERROR(EINVAL);
}
@@ -849,19 +855,6 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
// reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation
- if (flags & SWS_FULL_CHR_H_INT &&
- dstFormat != PIX_FMT_RGBA &&
- dstFormat != PIX_FMT_ARGB &&
- dstFormat != PIX_FMT_BGRA &&
- dstFormat != PIX_FMT_ABGR &&
- dstFormat != PIX_FMT_RGB24 &&
- dstFormat != PIX_FMT_BGR24) {
- av_log(c, AV_LOG_ERROR,
- "full chroma interpolation for destination format '%s' not yet implemented\n",
- sws_format_name(dstFormat));
- flags &= ~SWS_FULL_CHR_H_INT;
- c->flags = flags;
- }
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
// drop some chroma lines if the user wants it
@@ -889,23 +882,25 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
if (c->swScale) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
+ av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
return 0;
}
}
c->scalingBpp = FFMAX(av_pix_fmt_descriptors[srcFormat].comp[0].depth_minus1,
- av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1) >= 8 ? 16 : 8;
+ av_pix_fmt_descriptors[dstFormat].comp[0].depth_minus1) >= 15 ? 16 : 8;
+
if (c->scalingBpp == 16)
dst_stride <<= 1;
- FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2 * c->scalingBpp >> 3, fail);
+ av_assert0(c->scalingBpp<=16);
+ FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2 && c->scalingBpp == 8) {
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n");
}
- if (usesHFilter) c->canMMX2BeUsed=0;
+ if (usesHFilter || isNBPS(c->srcFormat) || is16BPS(c->srcFormat) || isAnyRGB(c->srcFormat)) c->canMMX2BeUsed=0;
}
else
c->canMMX2BeUsed=0;
@@ -925,7 +920,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
c->chrXInc+= 20;
}
//we don't use the x86 asm scaler if MMX is available
- else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
+ else if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX && c->scalingBpp == 8) {
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
}
@@ -950,7 +945,11 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
#endif
+#ifdef MAP_ANONYMOUS
+ if (c->lumMmx2FilterCode == MAP_FAILED || c->chrMmx2FilterCode == MAP_FAILED)
+#else
if (!c->lumMmx2FilterCode || !c->chrMmx2FilterCode)
+#endif
return AVERROR(ENOMEM);
FF_ALLOCZ_OR_GOTO(c, c->hLumFilter , (dstW /8+8)*sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(c, c->hChrFilter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
@@ -1027,7 +1026,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
c->vLumBufSize= c->vLumFilterSize;
c->vChrBufSize= c->vChrFilterSize;
for (i=0; i<dstH; i++) {
- int chrI= i*c->chrDstH / dstH;
+ int chrI= (int64_t)i*c->chrDstH / dstH;
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
@@ -1052,8 +1051,8 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], dst_stride+1, fail);
c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
}
- c->uv_off_px = dst_stride_px;
- c->uv_off_byte = dst_stride;
+ c->uv_off = dst_stride>>1;
+ c->uv_offx2 = dst_stride;
for (i=0; i<c->vChrBufSize; i++) {
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i+c->vChrBufSize], dst_stride*2+1, fail);
c->chrUPixBuf[i] = c->chrUPixBuf[i+c->vChrBufSize];
@@ -1067,7 +1066,13 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
//try to avoid drawing green stuff between the right end and the stride end
for (i=0; i<c->vChrBufSize; i++)
- memset(c->chrUPixBuf[i], 64, dst_stride*2+1);
+ if(av_pix_fmt_descriptors[c->dstFormat].comp[0].depth_minus1 == 15){
+ av_assert0(c->scalingBpp == 16);
+ for(j=0; j<dst_stride/2+1; j++)
+ ((int32_t*)(c->chrUPixBuf[i]))[j] = 1<<18;
+ } else
+ for(j=0; j<dst_stride+1; j++)
+ ((int16_t*)(c->chrUPixBuf[i]))[j] = 1<<14;
assert(c->chrDstH <= dstH);
@@ -1086,7 +1091,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
else av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
av_log(c, AV_LOG_INFO, "from %s to %s%s ",
- sws_format_name(srcFormat),
+ av_get_pix_fmt_name(srcFormat),
#ifdef DITHER1XBPP
dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 ||
dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
@@ -1094,7 +1099,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
#else
"",
#endif
- sws_format_name(dstFormat));
+ av_get_pix_fmt_name(dstFormat));
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) av_log(c, AV_LOG_INFO, "using MMX2\n");
else if (HAVE_AMD3DNOW && cpu_flags & AV_CPU_FLAG_3DNOW) av_log(c, AV_LOG_INFO, "using 3DNOW\n");
@@ -1488,6 +1493,13 @@ void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
}
}
+#if LIBSWSCALE_VERSION_MAJOR < 1
+void sws_printVec(SwsVector *a)
+{
+ sws_printVec2(a, NULL, AV_LOG_DEBUG);
+}
+#endif
+
void sws_freeVec(SwsVector *a)
{
if (!a) return;
@@ -1561,7 +1573,7 @@ void sws_freeContext(SwsContext *c)
#endif /* HAVE_MMX */
av_freep(&c->yuvTable);
- av_free(c->formatConvBuffer);
+ av_freep(&c->formatConvBuffer);
av_free(c);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 13:42:57 +0000