lavc: add Intel libmfx-based MPEG2 decoder.

[ffmpeg] / libavcodec / imgconvert.c

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index 8f8b6e39143674936b6209002bf5436d0cb80c81..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_mmx.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);
@@ -60,7 +48,7 @@ void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int
 
 static int is_gray(const AVPixFmtDescriptor *desc)
 {
-    return desc->nb_components - (desc->flags & PIX_FMT_ALPHA) == 1;
+    return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;
 }
 
 int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
@@ -86,11 +74,11 @@ int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
         dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
         loss |= FF_LOSS_RESOLUTION;
 
-    if ((src_desc->flags & PIX_FMT_RGB) != (dst_desc->flags & PIX_FMT_RGB))
+    if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB))
         loss |= FF_LOSS_COLORSPACE;
 
-    if (has_alpha && !(dst_desc->flags & PIX_FMT_ALPHA) &&
-         (dst_desc->flags & PIX_FMT_ALPHA))
+    if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) &&
+         (dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA))
         loss |= FF_LOSS_ALPHA;
 
     if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))
@@ -137,24 +125,6 @@ static enum AVPixelFormat avcodec_find_best_pix_fmt1(enum AVPixelFormat *pix_fmt
     return dst_pix_fmt;
 }
 
-#if FF_API_FIND_BEST_PIX_FMT
-enum AVPixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum AVPixelFormat src_pix_fmt,
-                              int has_alpha, int *loss_ptr)
-{
-    enum AVPixelFormat list[64];
-    int i, j = 0;
-
-    // test only the first 64 pixel formats to avoid undefined behaviour
-    for (i = 0; i < 64; i++) {
-        if (pix_fmt_mask & (1ULL << i))
-            list[j++] = i;
-    }
-    list[j] = AV_PIX_FMT_NONE;
-
-    return avcodec_find_best_pix_fmt2(list, src_pix_fmt, has_alpha, loss_ptr);
-}
-#endif /* FF_API_FIND_BEST_PIX_FMT */
-
 enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list,
                                             enum AVPixelFormat src_pix_fmt,
                                             int has_alpha, int *loss_ptr)
@@ -278,8 +248,8 @@ void ff_shrink88(uint8_t *dst, int dst_wrap,
 /* return true if yuv planar */
 static inline int is_yuv_planar(const AVPixFmtDescriptor *desc)
 {
-    return (!(desc->flags & PIX_FMT_RGB) &&
-             (desc->flags & PIX_FMT_PLANAR));
+    return (!(desc->flags & AV_PIX_FMT_FLAG_RGB) &&
+             (desc->flags & AV_PIX_FMT_FLAG_PLANAR));
 }
 
 int av_picture_crop(AVPicture *dst, const AVPicture *src,
@@ -368,7 +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,
@@ -376,7 +352,7 @@ static void deinterlace_line_c(uint8_t *dst,
                              const uint8_t *lum,
                              int size)
 {
-    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
     int sum;
 
     for(;size > 0;size--) {
@@ -399,7 +375,7 @@ static void deinterlace_line_inplace_c(uint8_t *lum_m4, uint8_t *lum_m3,
                                        uint8_t *lum_m2, uint8_t *lum_m1,
                                        uint8_t *lum, int size)
 {
-    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
     int sum;
 
     for(;size > 0;size--) {
@@ -451,13 +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);
@@ -474,12 +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 &&
@@ -515,8 +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],