Merge "Remove redundant code from vp10_fwd_txfm2d.c" into nextgenv2
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2c2b9bd455
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@ -51,7 +51,7 @@ static inline TxfmFunc fwd_txfm_type_to_func(TXFM_TYPE txfm_type) {
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static inline void fwd_txfm2d_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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int32_t *txfm_buf) {
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int32_t *buf) {
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int i, j;
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const int txfm_size = cfg->txfm_size;
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const int8_t *shift = cfg->shift;
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@ -62,11 +62,9 @@ static inline void fwd_txfm2d_c(const int16_t *input, int32_t *output,
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const TxfmFunc txfm_func_col = fwd_txfm_type_to_func(cfg->txfm_type_col);
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const TxfmFunc txfm_func_row = fwd_txfm_type_to_func(cfg->txfm_type_row);
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// txfm_buf's length is txfm_size * txfm_size + 2 * txfm_size
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// it is used for intermediate data buffering
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int32_t *temp_in = txfm_buf;
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int32_t *temp_out = temp_in + txfm_size;
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int32_t *buf = temp_out + txfm_size;
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// use output buffer as temp buffer
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int32_t* temp_in = output;
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int32_t* temp_out = output + txfm_size;
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// Columns
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for (i = 0; i < txfm_size; ++i) {
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@ -81,19 +79,16 @@ static inline void fwd_txfm2d_c(const int16_t *input, int32_t *output,
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// Rows
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for (i = 0; i < txfm_size; ++i) {
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for (j = 0; j < txfm_size; ++j)
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temp_in[j] = buf[j + i * txfm_size];
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txfm_func_row(temp_in, temp_out, cos_bit_row, stage_range_row);
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round_shift_array(temp_out, txfm_size, -shift[2]);
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for (j = 0; j < txfm_size; ++j)
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output[j + i * txfm_size] = (int32_t)temp_out[j];
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txfm_func_row(buf + i * txfm_size, output + i * txfm_size, cos_bit_row,
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stage_range_row);
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round_shift_array(output + i * txfm_size, txfm_size, -shift[2]);
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}
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}
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void vp10_fwd_txfm2d_4x4_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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const int bd) {
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int txfm_buf[4 * 4 + 4 + 4];
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int32_t txfm_buf[4 * 4];
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(void)bd;
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fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
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}
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@ -101,7 +96,7 @@ void vp10_fwd_txfm2d_4x4_c(const int16_t *input, int32_t *output,
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void vp10_fwd_txfm2d_8x8_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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const int bd) {
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int txfm_buf[8 * 8 + 8 + 8];
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int32_t txfm_buf[8 * 8];
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(void)bd;
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fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
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}
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@ -109,7 +104,7 @@ void vp10_fwd_txfm2d_8x8_c(const int16_t *input, int32_t *output,
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void vp10_fwd_txfm2d_16x16_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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const int bd) {
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int txfm_buf[16 * 16 + 16 + 16];
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int32_t txfm_buf[16 * 16];
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(void)bd;
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fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
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}
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@ -117,7 +112,7 @@ void vp10_fwd_txfm2d_16x16_c(const int16_t *input, int32_t *output,
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void vp10_fwd_txfm2d_32x32_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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const int bd) {
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int txfm_buf[32 * 32 + 32 + 32];
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int32_t txfm_buf[32 * 32];
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(void)bd;
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fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
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}
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@ -125,7 +120,7 @@ void vp10_fwd_txfm2d_32x32_c(const int16_t *input, int32_t *output,
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void vp10_fwd_txfm2d_64x64_c(const int16_t *input, int32_t *output,
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const int stride, const TXFM_2D_CFG *cfg,
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const int bd) {
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int txfm_buf[64 * 64 + 64 + 64];
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int32_t txfm_buf[64 * 64];
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(void)bd;
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fwd_txfm2d_c(input, output, stride, cfg, txfm_buf);
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}
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