diff options
Diffstat (limited to 'media/libstagefright/codecs/amrwbenc/src/qisf_ns.c')
| -rw-r--r-- | media/libstagefright/codecs/amrwbenc/src/qisf_ns.c | 104 |
1 files changed, 52 insertions, 52 deletions
diff --git a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c index fc2f00d..eac98e2 100644 --- a/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c +++ b/media/libstagefright/codecs/amrwbenc/src/qisf_ns.c @@ -33,30 +33,30 @@ *------------------------------------------------------------------*/ void Qisf_ns( - Word16 * isf1, /* input : ISF in the frequency domain (0..0.5) */ - Word16 * isf_q, /* output: quantized ISF */ - Word16 * indice /* output: quantization indices */ - ) + Word16 * isf1, /* input : ISF in the frequency domain (0..0.5) */ + Word16 * isf_q, /* output: quantized ISF */ + Word16 * indice /* output: quantization indices */ + ) { - Word16 i; - Word32 tmp; + Word16 i; + Word32 tmp; - for (i = 0; i < ORDER; i++) - { - isf_q[i] = sub(isf1[i], mean_isf_noise[i]); - } + for (i = 0; i < ORDER; i++) + { + isf_q[i] = sub(isf1[i], mean_isf_noise[i]); + } - indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp); - indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp); - indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp); - indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp); - indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp); + indice[0] = Sub_VQ(&isf_q[0], dico1_isf_noise, 2, SIZE_BK_NOISE1, &tmp); + indice[1] = Sub_VQ(&isf_q[2], dico2_isf_noise, 3, SIZE_BK_NOISE2, &tmp); + indice[2] = Sub_VQ(&isf_q[5], dico3_isf_noise, 3, SIZE_BK_NOISE3, &tmp); + indice[3] = Sub_VQ(&isf_q[8], dico4_isf_noise, 4, SIZE_BK_NOISE4, &tmp); + indice[4] = Sub_VQ(&isf_q[12], dico5_isf_noise, 4, SIZE_BK_NOISE5, &tmp); - /* decoding the ISFs */ + /* decoding the ISFs */ - Disf_ns(indice, isf_q); + Disf_ns(indice, isf_q); - return; + return; } /******************************************************************** @@ -70,41 +70,41 @@ void Qisf_ns( *********************************************************************/ void Disf_ns( - Word16 * indice, /* input: quantization indices */ - Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */ - ) + Word16 * indice, /* input: quantization indices */ + Word16 * isf_q /* input : ISF in the frequency domain (0..0.5) */ + ) { - Word16 i; - - for (i = 0; i < 2; i++) - { - isf_q[i] = dico1_isf_noise[indice[0] * 2 + i]; - } - for (i = 0; i < 3; i++) - { - isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i]; - } - for (i = 0; i < 3; i++) - { - isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i]; - } - for (i = 0; i < 4; i++) - { - isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i]; - } - for (i = 0; i < 4; i++) - { - isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i]; - } - - for (i = 0; i < ORDER; i++) - { - isf_q[i] = add(isf_q[i], mean_isf_noise[i]); - } - - Reorder_isf(isf_q, ISF_GAP, ORDER); - - return; + Word16 i; + + for (i = 0; i < 2; i++) + { + isf_q[i] = dico1_isf_noise[indice[0] * 2 + i]; + } + for (i = 0; i < 3; i++) + { + isf_q[i + 2] = dico2_isf_noise[indice[1] * 3 + i]; + } + for (i = 0; i < 3; i++) + { + isf_q[i + 5] = dico3_isf_noise[indice[2] * 3 + i]; + } + for (i = 0; i < 4; i++) + { + isf_q[i + 8] = dico4_isf_noise[indice[3] * 4 + i]; + } + for (i = 0; i < 4; i++) + { + isf_q[i + 12] = dico5_isf_noise[indice[4] * 4 + i]; + } + + for (i = 0; i < ORDER; i++) + { + isf_q[i] = add(isf_q[i], mean_isf_noise[i]); + } + + Reorder_isf(isf_q, ISF_GAP, ORDER); + + return; } |