avcodec/mpegvideo: dont overwrite emu_edge buffer

[ffmpeg] / libavcodec / motionpixels.c

diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c
index 13d4759ae6b6e7abc77e97a293719e553d7a0705..19da10a8ff1646225f071e11372146b747efc7ac 100644 (file)
--- a/libavcodec/motionpixels.c
+++ b/libavcodec/motionpixels.c
@@ -21,7 +21,7 @@
 
 #include "avcodec.h"
 #include "get_bits.h"
-#include "dsputil.h"
+#include "bswapdsp.h"
 #include "internal.h"
 
 #define MAX_HUFF_CODES 16
@@ -37,7 +37,7 @@ typedef struct HuffCode {
 typedef struct MotionPixelsContext {
     AVCodecContext *avctx;
     AVFrame *frame;
-    DSPContext dsp;
+    BswapDSPContext bdsp;
     uint8_t *changes_map;
     int offset_bits_len;
     int codes_count, current_codes_count;
@@ -76,7 +76,7 @@ static av_cold int mp_decode_init(AVCodecContext *avctx)
 
     motionpixels_tableinit();
     mp->avctx = avctx;
-    ff_dsputil_init(&mp->dsp, avctx);
+    ff_bswapdsp_init(&mp->bdsp);
     mp->changes_map = av_mallocz_array(avctx->width, h4);
     mp->offset_bits_len = av_log2(avctx->width * avctx->height) + 1;
     mp->vpt = av_mallocz_array(avctx->height, sizeof(YuvPixel));
@@ -297,7 +297,8 @@ static int mp_decode_frame(AVCodecContext *avctx,
     av_fast_padded_malloc(&mp->bswapbuf, &mp->bswapbuf_size, buf_size);
     if (!mp->bswapbuf)
         return AVERROR(ENOMEM);
-    mp->dsp.bswap_buf((uint32_t *)mp->bswapbuf, (const uint32_t *)buf, buf_size / 4);
+    mp->bdsp.bswap_buf((uint32_t *) mp->bswapbuf, (const uint32_t *) buf,
+                       buf_size / 4);
     if (buf_size & 3)
         memcpy(mp->bswapbuf + (buf_size & ~3), buf + (buf_size & ~3), buf_size & 3);
     init_get_bits(&gb, mp->bswapbuf, buf_size * 8);