x86inc: Support arbitrary stack alignments

[ffmpeg] / libavcodec / utvideodec.c

diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index 41d534481569924e4c305f95486221486caa7c50..30ca4d216439de6bd6bd475ca9d75024057c44ce 100644 (file)
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -29,9 +29,9 @@
 
 #include "libavutil/intreadwrite.h"
 #include "avcodec.h"
+#include "bswapdsp.h"
 #include "bytestream.h"
 #include "get_bits.h"
-#include "dsputil.h"
 #include "thread.h"
 #include "utvideo.h"
 
@@ -142,9 +142,10 @@ static int decode_plane(UtvideoContext *c, int plane_no,
 
         memcpy(c->slice_bits, src + slice_data_start + c->slices * 4,
                slice_size);
-        memset(c->slice_bits + slice_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-        c->dsp.bswap_buf((uint32_t *) c->slice_bits, (uint32_t *) c->slice_bits,
-                         (slice_data_end - slice_data_start + 3) >> 2);
+        memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+        c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
+                          (uint32_t *) c->slice_bits,
+                          (slice_data_end - slice_data_start + 3) >> 2);
         init_get_bits(&gb, c->slice_bits, slice_size * 8);
 
         prev = 0x80;
@@ -212,6 +213,8 @@ static void restore_median(uint8_t *src, int step, int stride,
         slice_start  = ((slice * height) / slices) & cmask;
         slice_height = ((((slice + 1) * height) / slices) & cmask) -
                        slice_start;
+        if (!slice_height)
+            continue;
 
         bsrc = src + slice_start * stride;
 
@@ -268,6 +271,8 @@ static void restore_median_il(uint8_t *src, int step, int stride,
         slice_height   = ((((slice + 1) * height) / slices) & cmask) -
                          slice_start;
         slice_height >>= 1;
+        if (!slice_height)
+            continue;
 
         bsrc = src + slice_start * stride;
 
@@ -383,7 +388,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     }
 
     av_fast_malloc(&c->slice_bits, &c->slice_bits_size,
-                   max_slice_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                   max_slice_size + AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (!c->slice_bits) {
         av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");
@@ -475,7 +480,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     c->avctx = avctx;
 
-    ff_dsputil_init(&c->dsp, avctx);
+    ff_bswapdsp_init(&c->bdsp);
 
     if (avctx->extradata_size < 16) {
         av_log(avctx, AV_LOG_ERROR,
@@ -487,7 +492,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n",
            avctx->extradata[3], avctx->extradata[2],
            avctx->extradata[1], avctx->extradata[0]);
-    av_log(avctx, AV_LOG_DEBUG, "Original format %X\n",
+    av_log(avctx, AV_LOG_DEBUG, "Original format %"PRIX32"\n",
            AV_RB32(avctx->extradata + 4));
     c->frame_info_size = AV_RL32(avctx->extradata + 8);
     c->flags           = AV_RL32(avctx->extradata + 12);
@@ -557,5 +562,5 @@ AVCodec ff_utvideo_decoder = {
     .init           = decode_init,
     .close          = decode_end,
     .decode         = decode_frame,
-    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
+    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
 };