From 7213abf6ba6b6ad00f69db2859c3a4cd6a7f71d8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 8 Jan 2010 19:10:11 +0000 Subject: Use h263 tables in msmpeg4v1 dont duplicate them halfway. Originally committed as revision 21101 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/msmpeg4.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-) (limited to 'libavcodec/msmpeg4.c') diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c index 132f393cab..81b535e6fc 100644 --- a/libavcodec/msmpeg4.c +++ b/libavcodec/msmpeg4.c @@ -45,8 +45,6 @@ //#define DEBUG #define DC_VLC_BITS 9 -#define V1_INTRA_CBPC_VLC_BITS 6 -#define V1_INTER_CBPC_VLC_BITS 6 #define V2_INTRA_CBPC_VLC_BITS 3 #define V2_MB_TYPE_VLC_BITS 7 #define MV_VLC_BITS 9 @@ -1063,8 +1061,6 @@ static VLC v2_dc_chroma_vlc; static VLC v2_intra_cbpc_vlc; static VLC v2_mb_type_vlc; static VLC v2_mv_vlc; -static VLC v1_intra_cbpc_vlc; -static VLC v1_inter_cbpc_vlc; VLC ff_inter_intra_vlc; /* This is identical to h263 except that its range is multiplied by 2. */ @@ -1122,7 +1118,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64]) if(s->msmpeg4_version==2) code = get_vlc2(&s->gb, v2_mb_type_vlc.table, V2_MB_TYPE_VLC_BITS, 1); else - code = get_vlc2(&s->gb, v1_inter_cbpc_vlc.table, V1_INTER_CBPC_VLC_BITS, 3); + code = get_vlc2(&s->gb, ff_h263_inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2); if(code<0 || code>7){ av_log(s->avctx, AV_LOG_ERROR, "cbpc %d invalid at %d %d\n", code, s->mb_x, s->mb_y); return -1; @@ -1136,7 +1132,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64]) if(s->msmpeg4_version==2) cbp= get_vlc2(&s->gb, v2_intra_cbpc_vlc.table, V2_INTRA_CBPC_VLC_BITS, 1); else - cbp= get_vlc2(&s->gb, v1_intra_cbpc_vlc.table, V1_INTRA_CBPC_VLC_BITS, 1); + cbp= get_vlc2(&s->gb, ff_h263_intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 1); if(cbp<0 || cbp>3){ av_log(s->avctx, AV_LOG_ERROR, "cbpc %d invalid at %d %d\n", cbp, s->mb_x, s->mb_y); return -1; @@ -1326,9 +1322,6 @@ av_cold int ff_msmpeg4_decode_init(MpegEncContext *s) &v2_dc_chroma_table[0][1], 8, 4, &v2_dc_chroma_table[0][0], 8, 4, 1506); - INIT_VLC_STATIC(&ff_h263_cbpy_vlc, CBPY_VLC_BITS, 16, - &ff_h263_cbpy_tab[0][1], 2, 1, - &ff_h263_cbpy_tab[0][0], 2, 1, 64); INIT_VLC_STATIC(&v2_intra_cbpc_vlc, V2_INTRA_CBPC_VLC_BITS, 4, &v2_intra_cbpc[0][1], 2, 1, &v2_intra_cbpc[0][0], 2, 1, 8); @@ -1356,13 +1349,6 @@ av_cold int ff_msmpeg4_decode_init(MpegEncContext *s) &ff_msmp4_mb_i_table[0][1], 4, 2, &ff_msmp4_mb_i_table[0][0], 4, 2, 536); - INIT_VLC_STATIC(&v1_intra_cbpc_vlc, V1_INTRA_CBPC_VLC_BITS, 8, - ff_h263_intra_MCBPC_bits, 1, 1, - ff_h263_intra_MCBPC_code, 1, 1, 64); - INIT_VLC_STATIC(&v1_inter_cbpc_vlc, V1_INTER_CBPC_VLC_BITS, 25, - ff_h263_inter_MCBPC_bits, 1, 1, - ff_h263_inter_MCBPC_code, 1, 1, 104); - INIT_VLC_STATIC(&ff_inter_intra_vlc, INTER_INTRA_VLC_BITS, 4, &table_inter_intra[0][1], 2, 1, &table_inter_intra[0][0], 2, 1, 8); -- cgit v1.2.3