Merge commit '73ed8558a61c4f1d0ce8d1f35183ac1a0a4e31e3'

[ffmpeg] / libavcodec / vc1dec.c

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 5b6c5d99cf2efd9c446fd16cd120c50191f09c59..614e774972b26b58808f0ca5a95fcf7498f69d76 100644 (file)
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -510,11 +510,7 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
 
     if (s->mspel) {
         dxy = ((my & 3) << 2) | (mx & 3);
-        v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0]    , srcY    , s->linesize, v->rnd);
-        v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8, srcY + 8, s->linesize, v->rnd);
-        srcY += s->linesize * 8;
-        v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize    , srcY    , s->linesize, v->rnd);
-        v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+        v->vc1dsp.put_vc1_mspel_pixels_tab[0][dxy](s->dest[0]    , srcY    , s->linesize, v->rnd);
     } else { // hpel mc - always used for luma
         dxy = (my & 2) | ((mx & 2) >> 1);
         if (!v->rnd)
@@ -728,9 +724,9 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
     if (s->mspel) {
         dxy = ((my & 3) << 2) | (mx & 3);
         if (avg)
-            v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
+            v->vc1dsp.avg_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
         else
-            v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
+            v->vc1dsp.put_vc1_mspel_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
     } else { // hpel mc - always used for luma
         dxy = (my & 2) | ((mx & 2) >> 1);
         if (!v->rnd)
@@ -1913,9 +1909,10 @@ static void vc1_interp_mc(VC1Context *v)
     uvmx = (mx + ((mx & 3) == 3)) >> 1;
     uvmy = (my + ((my & 3) == 3)) >> 1;
     if (v->field_mode) {
-        if (v->cur_field_type != v->ref_field_type[1])
+        if (v->cur_field_type != v->ref_field_type[1]) {
             my   = my   - 2 + 4 * v->cur_field_type;
             uvmy = uvmy - 2 + 4 * v->cur_field_type;
+        }
     }
     if (v->fastuvmc) {
         uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
@@ -2038,11 +2035,7 @@ static void vc1_interp_mc(VC1Context *v)
 
     if (s->mspel) {
         dxy = ((my & 3) << 2) | (mx & 3);
-        v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off    , srcY    , s->linesize, v->rnd);
-        v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd);
-        srcY += s->linesize * 8;
-        v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize    , srcY    , s->linesize, v->rnd);
-        v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+        v->vc1dsp.avg_vc1_mspel_pixels_tab[0][dxy](s->dest[0] + off    , srcY    , s->linesize, v->rnd);
     } else { // hpel mc
         dxy = (my & 2) | ((mx & 2) >> 1);
 
@@ -5632,7 +5625,6 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
     ff_vc1_decode_end(avctx);
 
     ff_h264chroma_init(&v->h264chroma, 8);
-    ff_vc1dsp_init(&v->vc1dsp);
 
     if (avctx->codec_id == AV_CODEC_ID_WMV3 || avctx->codec_id == AV_CODEC_ID_WMV3IMAGE) {
         int count = 0;
@@ -5853,7 +5845,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     if (avctx->hwaccel ||
                         s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
                         buf_start_second_field = start;
-                    tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+                    tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
                     if (!tmp)
                         goto err;
                     slices = tmp;
@@ -5878,7 +5870,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                     break;
                 case VC1_CODE_SLICE: {
                     int buf_size3;
-                    tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+                    tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
                     if (!tmp)
                         goto err;
                     slices = tmp;
@@ -5907,7 +5899,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
                 if (avctx->hwaccel ||
                     s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
                     buf_start_second_field = divider;
-                tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+                tmp = av_realloc_array(slices, sizeof(*slices), (n_slices+1));
                 if (!tmp)
                     goto err;
                 slices = tmp;
@@ -6005,7 +5997,8 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
 
     /* skip B-frames if we don't have reference frames */
     if (s->last_picture_ptr == NULL && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) {
-        goto err;
+        av_log(v->s.avctx, AV_LOG_DEBUG, "Skipping B frame without reference frames\n");
+        goto end;
     }
     if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) ||
         (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) ||