diff options
author | Nedeljko Babic <nbabic@mips.com> | 2012-12-13 12:54:04 +0400 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2012-12-13 16:51:05 +0400 |
commit | d7117138cf71af36704975c020de8b6a7a501f67 (patch) | |
tree | c8021fc8e501d32e7d797696aa066b9abcf03456 /libavcodec/mips/ac3dsp_mips.c | |
parent | 2dbc84b1a8d39e7fa0c7d66a120838fced35f5b4 (diff) |
mips: ac3 downmix updated to the new data layout.
Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mips/ac3dsp_mips.c')
-rw-r--r-- | libavcodec/mips/ac3dsp_mips.c | 214 |
1 files changed, 127 insertions, 87 deletions
diff --git a/libavcodec/mips/ac3dsp_mips.c b/libavcodec/mips/ac3dsp_mips.c index f849e95087..f33c6f1809 100644 --- a/libavcodec/mips/ac3dsp_mips.c +++ b/libavcodec/mips/ac3dsp_mips.c @@ -26,7 +26,8 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * Author: Branimir Vasic (bvasic@mips.com) + * Authors: Branimir Vasic (bvasic@mips.com) + * Nedeljko Babic (nbabic@mips.com) * * Various AC-3 DSP Utils optimized for MIPS * @@ -198,7 +199,7 @@ static void ac3_update_bap_counts_mips(uint16_t mant_cnt[16], uint8_t *bap, } #endif -#if HAVE_MIPSFPU +#if HAVE_MIPSFPU && HAVE_MIPS32R2 static void float_to_fixed24_mips(int32_t *dst, const float *src, unsigned int len) { const float scale = 1 << 24; @@ -266,93 +267,132 @@ static void float_to_fixed24_mips(int32_t *dst, const float *src, unsigned int l } while (len > 0); } -static void ac3_downmix_mips(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len) +static void ac3_downmix_mips(float **samples, float (*matrix)[2], + int out_ch, int in_ch, int len) { - int i, j; + int i, j, i1, i2, i3; float v0, v1, v2, v3; float v4, v5, v6, v7; float samples0, samples1, samples2, samples3, matrix_j, matrix_j2; - float *samples_p,*matrix_p; - if (out_ch == 2) { - for (i = 0; i < len; i += 4) { - v0 = v1 = v2 = v3 = 0.0f; - v4 = v5 = v6 = v7 = 0.0f; - samples_p = &samples[0][i]; - matrix_p = &matrix[0][0]; - __asm__ volatile ( - "move %[j], $zero \n\t" - "1: \n\t" - "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" - "lwc1 %[matrix_j2], 4(%[matrix_p]) \n\t" - "lwc1 %[samples0], 0(%[samples_p]) \n\t" - "lwc1 %[samples1], 4(%[samples_p]) \n\t" - "lwc1 %[samples2], 8(%[samples_p]) \n\t" - "lwc1 %[samples3], 12(%[samples_p]) \n\t" - "addiu %[matrix_p], 8 \n\t" - "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" - "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" - "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" - "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" - "madd.s %[v4], %[v4], %[samples0], %[matrix_j2]\n\t" - "madd.s %[v5], %[v5], %[samples1], %[matrix_j2]\n\t" - "madd.s %[v6], %[v6], %[samples2], %[matrix_j2]\n\t" - "madd.s %[v7], %[v7], %[samples3], %[matrix_j2]\n\t" - "addiu %[j], 1 \n\t" - "addiu %[samples_p], 1024 \n\t" - "bne %[j], %[in_ch], 1b \n\t" - :[samples0]"=&f"(samples0), [samples1]"=&f"(samples1), - [samples2]"=&f"(samples2), [samples3]"=&f"(samples3), - [samples_p]"+r"(samples_p), [matrix_j]"=&f"(matrix_j), - [matrix_p]"+r"(matrix_p), [v0]"+f"(v0), [v1]"+f"(v1), - [v2]"+f"(v2), [v3]"+f"(v3), [v4]"+f"(v4), [v5]"+f"(v5), - [v6]"+f"(v6), [v7]"+f"(v7),[j]"=&r"(j), [matrix_j2]"=&f"(matrix_j2) - :[in_ch]"r"(in_ch) - :"memory" - ); - samples[0][i ] = v0; - samples[0][i+1] = v1; - samples[0][i+2] = v2; - samples[0][i+3] = v3; - samples[1][i ] = v4; - samples[1][i+1] = v5; - samples[1][i+2] = v6; - samples[1][i+3] = v7; - } - } else if (out_ch == 1) { - for (i = 0; i < len; i += 4) { - v0 = v1 = v2 = v3 = 0.0f; - samples_p = &samples[0][i]; - matrix_p = &matrix[0][0]; - __asm__ volatile ( - "move %[j], $zero \n\t" - "1: \n\t" - "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" - "lwc1 %[samples0], 0(%[samples_p]) \n\t" - "lwc1 %[samples1], 4(%[samples_p]) \n\t" - "lwc1 %[samples2], 8(%[samples_p]) \n\t" - "lwc1 %[samples3], 12(%[samples_p]) \n\t" - "addiu %[matrix_p], 8 \n\t" - "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" - "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" - "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" - "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" - "addiu %[j], 1 \n\t" - "addiu %[samples_p], 1024 \n\t" - "bne %[j], %[in_ch], 1b \n\t" - :[samples0]"=&f"(samples0), [samples1]"=&f"(samples1), - [samples2]"=&f"(samples2), [samples3]"=&f"(samples3), - [samples_p]"+r"(samples_p), [matrix_j]"=&f"(matrix_j), - [matrix_p]"+r"(matrix_p), [v0]"+f"(v0), [v1]"+f"(v1), - [v2]"+f"(v2), [v3]"+f"(v3), [j]"=&r"(j) - :[in_ch]"r"(in_ch) - :"memory" - ); - samples[0][i ] = v0; - samples[0][i+1] = v1; - samples[0][i+2] = v2; - samples[0][i+3] = v3; - } - } + float *samples_p,*matrix_p, **samples_x, **samples_end, **samples_sw; + + __asm__ volatile( + ".set push \n\t" + ".set noreorder \n\t" + + "li %[i1], 2 \n\t" + "sll %[len], 2 \n\t" + "move %[i], $zero \n\t" + "sll %[j], %[in_ch], 2 \n\t" + + "bne %[out_ch], %[i1], 3f \n\t" // if (out_ch == 2) + " li %[i2], 1 \n\t" + + "2: \n\t" // start of the for loop (for (i = 0; i < len; i+=4)) + "move %[matrix_p], %[matrix] \n\t" + "move %[samples_x], %[samples] \n\t" + "mtc1 $zero, %[v0] \n\t" + "mtc1 $zero, %[v1] \n\t" + "mtc1 $zero, %[v2] \n\t" + "mtc1 $zero, %[v3] \n\t" + "mtc1 $zero, %[v4] \n\t" + "mtc1 $zero, %[v5] \n\t" + "mtc1 $zero, %[v6] \n\t" + "mtc1 $zero, %[v7] \n\t" + "addiu %[i1], %[i], 4 \n\t" + "addiu %[i2], %[i], 8 \n\t" + "lw %[samples_p], 0(%[samples_x]) \n\t" + "addiu %[i3], %[i], 12 \n\t" + "addu %[samples_end], %[samples_x], %[j] \n\t" + "move %[samples_sw], %[samples_p] \n\t" + + "1: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) + "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" + "lwc1 %[matrix_j2], 4(%[matrix_p]) \n\t" + "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" + "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" + "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" + "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" + "addiu %[matrix_p], 8 \n\t" + "addiu %[samples_x], 4 \n\t" + "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" + "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" + "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" + "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" + "madd.s %[v4], %[v4], %[samples0], %[matrix_j2]\n\t" + "madd.s %[v5], %[v5], %[samples1], %[matrix_j2]\n\t" + "madd.s %[v6], %[v6], %[samples2], %[matrix_j2]\n\t" + "madd.s %[v7], %[v7], %[samples3], %[matrix_j2]\n\t" + "bne %[samples_x], %[samples_end], 1b \n\t" + " lw %[samples_p], 0(%[samples_x]) \n\t" + + "lw %[samples_p], 4(%[samples]) \n\t" + "swxc1 %[v0], %[i](%[samples_sw]) \n\t" + "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" + "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" + "swxc1 %[v3], %[i3](%[samples_sw]) \n\t" + "swxc1 %[v4], %[i](%[samples_p]) \n\t" + "addiu %[i], 16 \n\t" + "swxc1 %[v5], %[i1](%[samples_p]) \n\t" + "swxc1 %[v6], %[i2](%[samples_p]) \n\t" + "bne %[i], %[len], 2b \n\t" + " swxc1 %[v7], %[i3](%[samples_p]) \n\t" + + "3: \n\t" + "bne %[out_ch], %[i2], 6f \n\t" // if (out_ch == 1) + " nop \n\t" + + "5: \n\t" // start of the outer for loop (for (i = 0; i < len; i+=4)) + "move %[matrix_p], %[matrix] \n\t" + "move %[samples_x], %[samples] \n\t" + "mtc1 $zero, %[v0] \n\t" + "mtc1 $zero, %[v1] \n\t" + "mtc1 $zero, %[v2] \n\t" + "mtc1 $zero, %[v3] \n\t" + "addiu %[i1], %[i], 4 \n\t" + "addiu %[i2], %[i], 8 \n\t" + "lw %[samples_p], 0(%[samples_x]) \n\t" + "addiu %[i3], %[i], 12 \n\t" + "addu %[samples_end], %[samples_x], %[j] \n\t" + "move %[samples_sw], %[samples_p] \n\t" + + "4: \n\t" // start of the inner for loop (for (j = 0; j < in_ch; j++)) + "lwc1 %[matrix_j], 0(%[matrix_p]) \n\t" + "lwxc1 %[samples0], %[i](%[samples_p]) \n\t" + "lwxc1 %[samples1], %[i1](%[samples_p]) \n\t" + "lwxc1 %[samples2], %[i2](%[samples_p]) \n\t" + "lwxc1 %[samples3], %[i3](%[samples_p]) \n\t" + "addiu %[matrix_p], 8 \n\t" + "addiu %[samples_x], 4 \n\t" + "madd.s %[v0], %[v0], %[samples0], %[matrix_j] \n\t" + "madd.s %[v1], %[v1], %[samples1], %[matrix_j] \n\t" + "madd.s %[v2], %[v2], %[samples2], %[matrix_j] \n\t" + "madd.s %[v3], %[v3], %[samples3], %[matrix_j] \n\t" + "bne %[samples_x], %[samples_end], 4b \n\t" + " lw %[samples_p], 0(%[samples_x]) \n\t" + + "swxc1 %[v0], %[i](%[samples_sw]) \n\t" + "addiu %[i], 16 \n\t" + "swxc1 %[v1], %[i1](%[samples_sw]) \n\t" + "swxc1 %[v2], %[i2](%[samples_sw]) \n\t" + "bne %[i], %[len], 5b \n\t" + " swxc1 %[v3], %[i3](%[samples_sw]) \n\t" + "6: \n\t" + + ".set pop" + :[samples_p]"=&r"(samples_p), [matrix_j]"=&f"(matrix_j), [matrix_j2]"=&f"(matrix_j2), + [samples0]"=&f"(samples0), [samples1]"=&f"(samples1), + [samples2]"=&f"(samples2), [samples3]"=&f"(samples3), + [v0]"=&f"(v0), [v1]"=&f"(v1), [v2]"=&f"(v2), [v3]"=&f"(v3), + [v4]"=&f"(v4), [v5]"=&f"(v5), [v6]"=&f"(v6), [v7]"=&f"(v7), + [samples_x]"=&r"(samples_x), [matrix_p]"=&r"(matrix_p), + [samples_end]"=&r"(samples_end), [samples_sw]"=&r"(samples_sw), + [i1]"=&r"(i1), [i2]"=&r"(i2), [i3]"=&r"(i3), [i]"=&r"(i), + [j]"=&r"(j), [len]"+r"(len) + :[samples]"r"(samples), [matrix]"r"(matrix), + [in_ch]"r"(in_ch), [out_ch]"r"(out_ch) + :"memory" + ); } #endif #endif /* HAVE_INLINE_ASM */ @@ -363,9 +403,9 @@ void ff_ac3dsp_init_mips(AC3DSPContext *c, int bit_exact) { c->bit_alloc_calc_bap = ac3_bit_alloc_calc_bap_mips; c->update_bap_counts = ac3_update_bap_counts_mips; #endif -#if HAVE_MIPSFPU +#if HAVE_MIPSFPU && HAVE_MIPS32R2 c->float_to_fixed24 = float_to_fixed24_mips; -// c->downmix = ac3_downmix_mips; + c->downmix = ac3_downmix_mips; #endif #endif |