These tables were huge (14 bits) because one needed 14 bits in order to
find out whether a code is valid and in the VLC table or a valid code that
required hacky workarounds due to RealVideo 1.0 using multiple codes
for the same symbol and the code predating the introduction of symbols
tables for VLCs.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavcodec/rv10.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 08887c121b..a7cb8118e5 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -46,7 +46,7 @@
#define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
#define MAX_VLC_ENTRIES 1023 // Note: Does not include the skip entries.
-#define DC_VLC_BITS 14 // FIXME find a better solution
+#define DC_VLC_BITS 9
typedef struct RVDecContext {
MpegEncContext m;
@@ -409,14 +409,14 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx)
/* init rv vlc */
if (!done) {
- static VLC_TYPE table[16896 + 16640][2];
+ static VLC_TYPE table[1472 + 992][2];
rv_dc_lum.table = table;
- rv_dc_lum.table_allocated = 16896;
+ rv_dc_lum.table_allocated = 1472;
rv10_build_vlc(&rv_dc_lum, rv_lum_len_count,
rv_sym_run_len, FF_ARRAY_ELEMS(rv_sym_run_len));
- rv_dc_chrom.table = &table[16896];
- rv_dc_chrom.table_allocated = 16640;
+ rv_dc_chrom.table = &table[1472];
+ rv_dc_chrom.table_allocated = 992;
rv10_build_vlc(&rv_dc_chrom, rv_chrom_len_count,
rv_sym_run_len, FF_ARRAY_ELEMS(rv_sym_run_len) - 2);
done = 1;
--
2.25.1
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