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table[index][ch] -> table[ch][index] (might be faster ...)
Originally committed as revision 8651 to svn://svn.ffmpeg.org/ffmpeg/trunk
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20f757076e
@ -1312,7 +1312,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
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case CODEC_ID_ADPCM_THP:
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{
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GetBitContext gb;
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int table[16][2];
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int table[2][16];
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unsigned int samplecnt;
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int prev1[2], prev2[2];
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int ch;
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@ -1330,7 +1330,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
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for (ch = 0; ch < 2; ch++)
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for (i = 0; i < 16; i++)
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table[i][ch] = get_sbits(&gb, 16);
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table[ch][i] = get_sbits(&gb, 16);
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/* Initialize the previous sample. */
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for (ch = 0; ch < 2; ch++) {
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@ -1350,8 +1350,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
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for (i = 0; i < samplecnt / 14; i++) {
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uint8_t index = get_bits (&gb, 4) & 7;
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unsigned int exp = get_bits (&gb, 4);
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int factor1 = table[index * 2][ch];
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int factor2 = table[index * 2 + 1][ch];
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int factor1 = table[ch][index * 2];
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int factor2 = table[ch][index * 2 + 1];
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/* Decode 14 samples. */
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for (n = 0; n < 14; n++) {
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