diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/mace.c')
-rw-r--r-- | src/libffmpeg/libavcodec/mace.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/src/libffmpeg/libavcodec/mace.c b/src/libffmpeg/libavcodec/mace.c index 8a4a20568..80cd28393 100644 --- a/src/libffmpeg/libavcodec/mace.c +++ b/src/libffmpeg/libavcodec/mace.c @@ -242,7 +242,8 @@ typedef struct MACEContext { static void chomp3(MACEContext *ctx, uint8_t val, const uint16_t tab1[], - const uint16_t tab2[][8]) + const uint16_t tab2[][8], + uint32_t numChannels) { short current; @@ -252,7 +253,8 @@ static void chomp3(MACEContext *ctx, else current+=ctx->lev; ctx->lev=current-(current >> 3); // *ctx->outPtr++=current >> 8; - *ctx->outPtr++=current; + *ctx->outPtr=current; + ctx->outPtr+=numChannels; if ( ( ctx->index += tab1[val]-(ctx->index>>5) ) < 0 ) ctx->index = 0; } /* \\\ */ @@ -281,13 +283,13 @@ static void Exp1to3(MACEContext *ctx, while (cnt>0) { pkt=inBuffer[0]; - chomp3(ctx, pkt & 7, MACEtab1, MACEtab2); - chomp3(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4); - chomp3(ctx, pkt >> 5 , MACEtab1, MACEtab2); + chomp3(ctx, pkt & 7, MACEtab1, MACEtab2, numChannels); + chomp3(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4, numChannels); + chomp3(ctx, pkt >> 5 , MACEtab1, MACEtab2, numChannels); pkt=inBuffer[1]; - chomp3(ctx, pkt & 7, MACEtab1, MACEtab2); - chomp3(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4); - chomp3(ctx, pkt >> 5 , MACEtab1, MACEtab2); + chomp3(ctx, pkt & 7, MACEtab1, MACEtab2, numChannels); + chomp3(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4, numChannels); + chomp3(ctx, pkt >> 5 , MACEtab1, MACEtab2, numChannels); inBuffer+=numChannels*2; --cnt; @@ -306,7 +308,8 @@ static void Exp1to3(MACEContext *ctx, static void chomp6(MACEContext *ctx, uint8_t val, const uint16_t tab1[], - const uint16_t tab2[][8]) + const uint16_t tab2[][8], + uint32_t numChannels) { short current; @@ -329,9 +332,10 @@ static void chomp6(MACEContext *ctx, // *ctx->outPtr++=(ctx->previous+ctx->prev2-((ctx->prev2-current) >> 2)) >> 8; // *ctx->outPtr++=(ctx->previous+current+((ctx->prev2-current) >> 2)) >> 8; - *ctx->outPtr++=(ctx->previous+ctx->prev2-((ctx->prev2-current) >> 2)); - *ctx->outPtr++=(ctx->previous+current+((ctx->prev2-current) >> 2)); - + *ctx->outPtr=(ctx->previous+ctx->prev2-((ctx->prev2-current) >> 2)); + ctx->outPtr+=numChannels; + *ctx->outPtr=(ctx->previous+current+((ctx->prev2-current) >> 2)); + ctx->outPtr+=numChannels; ctx->prev2=ctx->previous; ctx->previous=current; @@ -366,9 +370,9 @@ static void Exp1to6(MACEContext *ctx, while (cnt>0) { pkt=*inBuffer; - chomp6(ctx, pkt >> 5 , MACEtab1, MACEtab2); - chomp6(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4); - chomp6(ctx, pkt & 7, MACEtab1, MACEtab2); + chomp6(ctx, pkt >> 5 , MACEtab1, MACEtab2, numChannels); + chomp6(ctx,(pkt >> 3) & 3, MACEtab3, MACEtab4, numChannels); + chomp6(ctx, pkt & 7, MACEtab1, MACEtab2, numChannels); inBuffer+=numChannels; --cnt; |