lavc: add Intel libmfx-based MPEG2 decoder.

[ffmpeg] / libavcodec / imgconvert.c

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 3f5d035ee4f476dd48e6f2b643b53b688050db82..2d32602385e3f94ea92cecef7c0ef3de7f828e8d 100644 (file)
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -31,26 +31,14 @@
  */
 
 #include "avcodec.h"
-#include "dsputil.h"
 #include "imgconvert.h"
 #include "internal.h"
+#include "mathops.h"
 #include "libavutil/colorspace.h"
 #include "libavutil/common.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
 
-#if HAVE_MMX_EXTERNAL
-#include "x86/dsputil_x86.h"
-#endif
-
-#if HAVE_MMX_EXTERNAL
-#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx
-#define deinterlace_line         ff_deinterlace_line_mmx
-#else
-#define deinterlace_line_inplace deinterlace_line_inplace_c
-#define deinterlace_line         deinterlace_line_c
-#endif
-
 void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
@@ -350,7 +338,13 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
 
 #if FF_API_DEINTERLACE
 
-#if !HAVE_MMX_EXTERNAL
+#if HAVE_MMX_EXTERNAL
+#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx
+#define deinterlace_line         ff_deinterlace_line_mmx
+#else
+#define deinterlace_line_inplace deinterlace_line_inplace_c
+#define deinterlace_line         deinterlace_line_c
+
 /* filter parameters: [-1 4 2 4 -1] // 8 */
 static void deinterlace_line_c(uint8_t *dst,
                              const uint8_t *lum_m4, const uint8_t *lum_m3,
@@ -433,13 +427,15 @@ static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap,
     deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width);
 }
 
-static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
-                                             int width, int height)
+static int deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
+                                            int width, int height)
 {
     uint8_t *src_m1, *src_0, *src_p1, *src_p2;
     int y;
     uint8_t *buf;
     buf = av_malloc(width);
+    if (!buf)
+        return AVERROR(ENOMEM);
 
     src_m1 = src1;
     memcpy(buf,src_m1,width);
@@ -456,12 +452,13 @@ static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
     /* do last line */
     deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width);
     av_free(buf);
+    return 0;
 }
 
 int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
                           enum AVPixelFormat pix_fmt, int width, int height)
 {
-    int i;
+    int i, ret;
 
     if (pix_fmt != AV_PIX_FMT_YUV420P &&
         pix_fmt != AV_PIX_FMT_YUVJ420P &&
@@ -497,8 +494,11 @@ int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
             }
         }
         if (src == dst) {
-            deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i],
-                                 width, height);
+            ret = deinterlace_bottom_field_inplace(dst->data[i],
+                                                   dst->linesize[i],
+                                                   width, height);
+            if (ret < 0)
+                return ret;
         } else {
             deinterlace_bottom_field(dst->data[i],dst->linesize[i],
                                         src->data[i], src->linesize[i],