Merge remote-tracking branch 'qatar/master' into master

[coroid/ffmpeg_saccubus.git] / libswscale / utils.c

diff --git a/libswscale/utils.c b/libswscale/utils.c
index a2a6a1e..23ad827 100644 (file)
--- 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>
@@ -52,13 +54,13 @@ 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
@@ -83,7 +85,7 @@ const char *swscale_license(void)
         || (x)==PIX_FMT_RGB565      \
         || (x)==PIX_FMT_RGB555      \
         || (x)==PIX_FMT_GRAY8       \
-        || (x)==PIX_FMT_Y400A       \
+        || (x)==PIX_FMT_GRAY8A      \
         || (x)==PIX_FMT_YUV410P     \
         || (x)==PIX_FMT_YUV440P     \
         || (x)==PIX_FMT_NV12        \
@@ -115,6 +117,7 @@ const char *swscale_license(void)
         || (x)==PIX_FMT_YUV420P16BE   \
         || (x)==PIX_FMT_YUV422P16BE   \
         || (x)==PIX_FMT_YUV444P16BE   \
+        || (x)==PIX_FMT_YUV422P10     \
     )
 
 int sws_isSupportedInput(enum PixelFormat pix_fmt)
@@ -142,6 +145,7 @@ int sws_isSupportedInput(enum PixelFormat pix_fmt)
         || (x)==PIX_FMT_GRAY8       \
         || (x)==PIX_FMT_YUV410P     \
         || (x)==PIX_FMT_YUV440P     \
+        || (x)==PIX_FMT_YUV422P10   \
         || (x)==PIX_FMT_YUV420P9LE    \
         || (x)==PIX_FMT_YUV420P10LE   \
         || (x)==PIX_FMT_YUV420P16LE   \
@@ -705,7 +709,7 @@ int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange
 
 int sws_getColorspaceDetails(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;
@@ -749,7 +753,7 @@ 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), dst_stride_px = dst_stride >> 1;
+    int dst_stride = FFALIGN(dstW * sizeof(int16_t)+66, 16), dst_stride_px = dst_stride >> 1;
     int flags, cpu_flags;
     enum PixelFormat srcFormat= c->srcFormat;
     enum PixelFormat dstFormat= c->dstFormat;
@@ -846,14 +850,14 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
         }
     }
 
-    FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2, fail);
+    FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
     if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) {
         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;
@@ -898,7 +902,11 @@ 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);
@@ -975,7 +983,7 @@ 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));
 
@@ -1436,6 +1444,13 @@ 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;
@@ -1509,7 +1524,7 @@ void sws_freeContext(SwsContext *c)
 #endif /* HAVE_MMX */
 
     av_freep(&c->yuvTable);
-    av_free(c->formatConvBuffer);
+    av_freep(&c->formatConvBuffer);
 
     av_free(c);
 }