mdec: set color_range

[ffmpeg] / libavcodec / rv30.c

diff --git a/libavcodec/rv30.c b/libavcodec/rv30.c
index 32f523b4312ec40d0903ee0c6d0241bcd8ee8b23..307d54aac320671e653791ba189177d1f9134e57 100644 (file)
--- a/libavcodec/rv30.c
+++ b/libavcodec/rv30.c
@@ -25,6 +25,7 @@
  */
 
 #include "avcodec.h"
+#include "mpegutils.h"
 #include "mpegvideo.h"
 #include "golomb.h"
 
@@ -34,6 +35,7 @@
 
 static int rv30_parse_slice_header(RV34DecContext *r, GetBitContext *gb, SliceInfo *si)
 {
+    AVCodecContext *avctx = r->s.avctx;
     int mb_bits;
     int w = r->s.width, h = r->s.height;
     int mb_size;
@@ -51,6 +53,13 @@ static int rv30_parse_slice_header(RV34DecContext *r, GetBitContext *gb, SliceIn
     si->pts = get_bits(gb, 13);
     rpr = get_bits(gb, r->rpr);
     if(rpr){
+        if (avctx->extradata_size < rpr * 2 + 8) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Insufficient extradata - need at least %d bytes, got %d\n",
+                   8 + rpr * 2, avctx->extradata_size);
+            return AVERROR(EINVAL);
+        }
+
         w = r->s.avctx->extradata[6 + rpr*2] << 2;
         h = r->s.avctx->extradata[7 + rpr*2] << 2;
     }
@@ -119,7 +128,7 @@ static int rv30_decode_mb_info(RV34DecContext *r)
 static inline void rv30_weak_loop_filter(uint8_t *src, const int step,
                                          const int stride, const int lim)
 {
-    uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
     int i, diff;
 
     for(i = 0; i < 4; i++){
@@ -243,20 +252,18 @@ static void rv30_loop_filter(RV34DecContext *r, int row)
 static av_cold int rv30_decode_init(AVCodecContext *avctx)
 {
     RV34DecContext *r = avctx->priv_data;
+    int ret;
 
     r->rv30 = 1;
-    ff_rv34_decode_init(avctx);
+    if ((ret = ff_rv34_decode_init(avctx)) < 0)
+        return ret;
     if(avctx->extradata_size < 2){
         av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
         return -1;
     }
     r->rpr = (avctx->extradata[1] & 7) >> 1;
     r->rpr = FFMIN(r->rpr + 1, 3);
-    if(avctx->extradata_size - 8 < (r->rpr - 1) * 2){
-        av_log(avctx, AV_LOG_ERROR, "Insufficient extradata - need at least %d bytes, got %d\n",
-               6 + r->rpr * 2, avctx->extradata_size);
-        return AVERROR(EINVAL);
-    }
+
     r->parse_slice_header = rv30_parse_slice_header;
     r->decode_intra_types = rv30_decode_intra_types;
     r->decode_mb_info     = rv30_decode_mb_info;
@@ -268,6 +275,7 @@ static av_cold int rv30_decode_init(AVCodecContext *avctx)
 
 AVCodec ff_rv30_decoder = {
     .name                  = "rv30",
+    .long_name             = NULL_IF_CONFIG_SMALL("RealVideo 3.0"),
     .type                  = AVMEDIA_TYPE_VIDEO,
     .id                    = AV_CODEC_ID_RV30,
     .priv_data_size        = sizeof(RV34DecContext),
@@ -277,7 +285,6 @@ AVCodec ff_rv30_decoder = {
     .capabilities          = CODEC_CAP_DR1 | CODEC_CAP_DELAY |
                              CODEC_CAP_FRAME_THREADS,
     .flush                 = ff_mpeg_flush,
-    .long_name             = NULL_IF_CONFIG_SMALL("RealVideo 3.0"),
     .pix_fmts              = ff_pixfmt_list_420,
     .init_thread_copy      = ONLY_IF_THREADS_ENABLED(ff_rv34_decode_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_rv34_decode_update_thread_context),