diff --git a/libavcodec/vorbis_dec.c b/libavcodec/vorbis_dec.c index a178360666..7c975ffb01 100644 --- a/libavcodec/vorbis_dec.c +++ b/libavcodec/vorbis_dec.c @@ -1224,7 +1224,7 @@ static uint_fast8_t vorbis_floor1_decode(vorbis_context *vc, vorbis_floor_data * // Read and decode residue -static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fast8_t ch, uint_fast8_t *do_not_decode, float *vec, uint_fast16_t vlen) { +static av_always_inline int vorbis_residue_decode_internal(vorbis_context *vc, vorbis_residue *vr, uint_fast8_t ch, uint_fast8_t *do_not_decode, float *vec, uint_fast16_t vlen, int vr_type) { GetBitContext *gb=&vc->gb; uint_fast8_t c_p_c=vc->codebooks[vr->classbook].dimensions; uint_fast16_t n_to_read=vr->end-vr->begin; @@ -1235,7 +1235,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa uint_fast8_t i,j,l; uint_fast16_t k; - if (vr->type==2) { + if (vr_type==2) { for(j=1;jpartition_size, dim); vorbis_codebook codebook= vc->codebooks[vqbook]; - if (vr->type==0) { + if (vr_type==0) { voffs=voffset+j*vlen; for(k=0;ktype==1) { + else if (vr_type==1) { voffs=voffset+j*vlen; for(k=0;ktype==2 && ch==2 && (voffset&1)==0 && (dim&1)==0) { // most frequent case optimized + else if (vr_type==2 && ch==2 && (voffset&1)==0 && (dim&1)==0) { // most frequent case optimized voffs=voffset>>1; if(dim==2) { @@ -1342,7 +1342,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa } } - else if (vr->type==2) { + else if (vr_type==2) { voffs=voffset; for(k=0;kavccontext, AV_LOG_ERROR, " Invalid residue type while residue decode?! \n"); - return 1; } } } @@ -1369,6 +1366,20 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa return 0; } +static inline int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fast8_t ch, uint_fast8_t *do_not_decode, float *vec, uint_fast16_t vlen) +{ + if (vr->type==2) + return vorbis_residue_decode_internal(vc, vr, ch, do_not_decode, vec, vlen, 2); + else if (vr->type==1) + return vorbis_residue_decode_internal(vc, vr, ch, do_not_decode, vec, vlen, 1); + else if (vr->type==0) + return vorbis_residue_decode_internal(vc, vr, ch, do_not_decode, vec, vlen, 0); + else { + av_log(vc->avccontext, AV_LOG_ERROR, " Invalid residue type while residue decode?! \n"); + return 1; + } +} + void vorbis_inverse_coupling(float *mag, float *ang, int blocksize) { int i;