aac: Mention abbreviation as well in long_name

[ffmpeg] / libavcodec / ivi_common.c

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index b66dde54e57f5185617d0113ca1af1f8bfada41c..cbcd97098042a3a26ca583c656bd726cf676e60a 100644 (file)
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -212,14 +212,15 @@ av_cold int ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg)
             band->width    = b_width;
             band->height   = b_height;
             band->pitch    = width_aligned;
-            band->bufs[0]  = av_malloc(buf_size);
-            band->bufs[1]  = av_malloc(buf_size);
+            band->aheight  = height_aligned;
+            band->bufs[0]  = av_mallocz(buf_size);
+            band->bufs[1]  = av_mallocz(buf_size);
             if (!band->bufs[0] || !band->bufs[1])
                 return AVERROR(ENOMEM);
 
             /* allocate the 3rd band buffer for scalability mode */
             if (cfg->luma_bands > 1) {
-                band->bufs[2] = av_malloc(buf_size);
+                band->bufs[2] = av_mallocz(buf_size);
                 if (!band->bufs[2])
                     return AVERROR(ENOMEM);
             }
@@ -287,6 +288,7 @@ av_cold int ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_hei
                 for (x = 0; x < band->width; x += t_width) {
                     tile->xpos     = x;
                     tile->ypos     = y;
+                    tile->mb_size  = band->mb_size;
                     tile->width    = FFMIN(band->width - x,  t_width);
                     tile->height   = FFMIN(band->height - y, t_height);
                     tile->is_empty = tile->data_size = 0;
@@ -380,6 +382,21 @@ int ff_ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile)
                 mv_x >>= 1;
                 mv_y >>= 1; /* convert halfpel vectors into fullpel ones */
             }
+            if (mb->type) {
+                int dmv_x, dmv_y, cx, cy;
+
+                dmv_x = mb->mv_x >> band->is_halfpel;
+                dmv_y = mb->mv_y >> band->is_halfpel;
+                cx    = mb->mv_x &  band->is_halfpel;
+                cy    = mb->mv_y &  band->is_halfpel;
+
+                if (   mb->xpos + dmv_x < 0
+                    || mb->xpos + dmv_x + band->mb_size + cx > band->pitch
+                    || mb->ypos + dmv_y < 0
+                    || mb->ypos + dmv_y + band->mb_size + cy > band->aheight) {
+                    return AVERROR_INVALIDDATA;
+                }
+            }
         }
 
         for (blk = 0; blk < num_blocks; blk++) {
@@ -567,7 +584,7 @@ void ff_ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band,
 
 
 #ifdef DEBUG
-uint16_t ivi_calc_band_checksum (IVIBandDesc *band)
+static uint16_t ivi_calc_band_checksum(IVIBandDesc *band)
 {
     int         x, y;
     int16_t     *src, checksum;
@@ -581,31 +598,6 @@ uint16_t ivi_calc_band_checksum (IVIBandDesc *band)
 
     return checksum;
 }
-
-int ivi_check_band (IVIBandDesc *band, const uint8_t *ref, int pitch)
-{
-    int         x, y, result;
-    uint8_t     t1, t2;
-    int16_t    *src;
-
-    src = band->buf;
-    result = 0;
-
-    for (y = 0; y < band->height; src += band->pitch, y++) {
-        for (x = 0; x < band->width; x++) {
-            t1 = av_clip(src[x] + 128, 0, 255);
-            t2 = ref[x];
-            if (t1 != t2) {
-                av_log(NULL, AV_LOG_ERROR, "Data mismatch: row %d, column %d\n",
-                       y / band->blk_size, x / band->blk_size);
-                result = -1;
-            }
-        }
-        ref += pitch;
-    }
-
-    return result;
-}
 #endif
 
 void ff_ivi_output_plane(IVIPlaneDesc *plane, uint8_t *dst, int dst_pitch)
@@ -640,6 +632,10 @@ static int decode_band(IVI45DecContext *ctx, int plane_num,
     IVITile     *tile;
 
     band->buf     = band->bufs[ctx->dst_buf];
+    if (!band->buf) {
+        av_log(avctx, AV_LOG_ERROR, "Band buffer points to no data!\n");
+        return AVERROR_INVALIDDATA;
+    }
     band->ref_buf = band->bufs[ctx->ref_buf];
     band->data_ptr = ctx->frame_data + (get_bits_count(&ctx->gb) >> 3);
 
@@ -670,6 +666,11 @@ static int decode_band(IVI45DecContext *ctx, int plane_num,
     for (t = 0; t < band->num_tiles; t++) {
         tile = &band->tiles[t];
 
+        if (tile->mb_size != band->mb_size) {
+            av_log(avctx, AV_LOG_ERROR, "MB sizes mismatch: %d vs. %d\n",
+                   band->mb_size, tile->mb_size);
+            return AVERROR_INVALIDDATA;
+        }
         tile->is_empty = get_bits1(&ctx->gb);
         if (tile->is_empty) {
             ff_ivi_process_empty_tile(avctx, band, tile,