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Diffstat (limited to 'libavcodec/mips/mpegvideo_msa.c')
-rw-r--r--libavcodec/mips/mpegvideo_msa.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/libavcodec/mips/mpegvideo_msa.c b/libavcodec/mips/mpegvideo_msa.c
new file mode 100644
index 0000000000..aa9ef770eb
--- /dev/null
+++ b/libavcodec/mips/mpegvideo_msa.c
@@ -0,0 +1,250 @@
+/*
+ * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/mips/generic_macros_msa.h"
+#include "h263dsp_mips.h"
+
+static void h263_dct_unquantize_msa(int16_t *block, int16_t qmul,
+ int16_t qadd, int8_t n_coeffs,
+ uint8_t loop_start)
+{
+ int16_t *block_dup = block;
+ int32_t level, cnt;
+ v8i16 block_vec, qmul_vec, qadd_vec, sub;
+ v8i16 add, mask, mul, zero_mask;
+
+ qmul_vec = __msa_fill_h(qmul);
+ qadd_vec = __msa_fill_h(qadd);
+ for (cnt = 0; cnt < (n_coeffs >> 3); cnt++) {
+ block_vec = LD_SH(block_dup + loop_start);
+ mask = __msa_clti_s_h(block_vec, 0);
+ zero_mask = __msa_ceqi_h(block_vec, 0);
+ mul = block_vec * qmul_vec;
+ sub = mul - qadd_vec;
+ add = mul + qadd_vec;
+ add = (v8i16) __msa_bmnz_v((v16u8) add, (v16u8) sub, (v16u8) mask);
+ block_vec = (v8i16) __msa_bmnz_v((v16u8) add, (v16u8) block_vec,
+ (v16u8) zero_mask);
+ ST_SH(block_vec, block_dup + loop_start);
+ block_dup += 8;
+ }
+
+ cnt = ((n_coeffs >> 3) * 8) + loop_start;
+
+ for (; cnt <= n_coeffs; cnt++) {
+ level = block[cnt];
+ if (level) {
+ if (level < 0) {
+ level = level * qmul - qadd;
+ } else {
+ level = level * qmul + qadd;
+ }
+ block[cnt] = level;
+ }
+ }
+}
+
+static int32_t mpeg2_dct_unquantize_inter_msa(int16_t *block,
+ int32_t qscale,
+ const int16_t *quant_matrix)
+{
+ int32_t cnt, sum_res = -1;
+ v8i16 block_vec, block_neg, qscale_vec, mask;
+ v8i16 block_org0, block_org1, block_org2, block_org3;
+ v8i16 quant_m0, quant_m1, quant_m2, quant_m3;
+ v8i16 sum, mul, zero_mask;
+ v4i32 mul_vec, qscale_l, qscale_r, quant_m_r, quant_m_l;
+ v4i32 block_l, block_r, sad;
+
+ qscale_vec = __msa_fill_h(qscale);
+ for (cnt = 0; cnt < 2; cnt++) {
+ LD_SH4(block, 8, block_org0, block_org1, block_org2, block_org3);
+ LD_SH4(quant_matrix, 8, quant_m0, quant_m1, quant_m2, quant_m3);
+ mask = __msa_clti_s_h(block_org0, 0);
+ zero_mask = __msa_ceqi_h(block_org0, 0);
+ block_neg = -block_org0;
+ block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org0, (v16u8) block_neg,
+ (v16u8) mask);
+ block_vec <<= 1;
+ block_vec += 1;
+ UNPCK_SH_SW(block_vec, block_r, block_l);
+ UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
+ UNPCK_SH_SW(quant_m0, quant_m_r, quant_m_l);
+ mul_vec = block_l * qscale_l;
+ mul_vec *= quant_m_l;
+ block_l = mul_vec >> 4;
+ mul_vec = block_r * qscale_r;
+ mul_vec *= quant_m_r;
+ block_r = mul_vec >> 4;
+ mul = (v8i16) __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
+ block_neg = - mul;
+ sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
+ (v16u8) mask);
+ sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org0,
+ (v16u8) zero_mask);
+ ST_SH(sum, block);
+ block += 8;
+ quant_matrix += 8;
+ sad = __msa_hadd_s_w(sum, sum);
+ sum_res += HADD_SW_S32(sad);
+ mask = __msa_clti_s_h(block_org1, 0);
+ zero_mask = __msa_ceqi_h(block_org1, 0);
+ block_neg = - block_org1;
+ block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org1, (v16u8) block_neg,
+ (v16u8) mask);
+ block_vec <<= 1;
+ block_vec += 1;
+ UNPCK_SH_SW(block_vec, block_r, block_l);
+ UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
+ UNPCK_SH_SW(quant_m1, quant_m_r, quant_m_l);
+ mul_vec = block_l * qscale_l;
+ mul_vec *= quant_m_l;
+ block_l = mul_vec >> 4;
+ mul_vec = block_r * qscale_r;
+ mul_vec *= quant_m_r;
+ block_r = mul_vec >> 4;
+ mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
+ block_neg = - mul;
+ sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
+ (v16u8) mask);
+ sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org1,
+ (v16u8) zero_mask);
+ ST_SH(sum, block);
+
+ block += 8;
+ quant_matrix += 8;
+ sad = __msa_hadd_s_w(sum, sum);
+ sum_res += HADD_SW_S32(sad);
+ mask = __msa_clti_s_h(block_org2, 0);
+ zero_mask = __msa_ceqi_h(block_org2, 0);
+ block_neg = - block_org2;
+ block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org2, (v16u8) block_neg,
+ (v16u8) mask);
+ block_vec <<= 1;
+ block_vec += 1;
+ UNPCK_SH_SW(block_vec, block_r, block_l);
+ UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
+ UNPCK_SH_SW(quant_m2, quant_m_r, quant_m_l);
+ mul_vec = block_l * qscale_l;
+ mul_vec *= quant_m_l;
+ block_l = mul_vec >> 4;
+ mul_vec = block_r * qscale_r;
+ mul_vec *= quant_m_r;
+ block_r = mul_vec >> 4;
+ mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
+ block_neg = - mul;
+ sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
+ (v16u8) mask);
+ sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org2,
+ (v16u8) zero_mask);
+ ST_SH(sum, block);
+
+ block += 8;
+ quant_matrix += 8;
+ sad = __msa_hadd_s_w(sum, sum);
+ sum_res += HADD_SW_S32(sad);
+ mask = __msa_clti_s_h(block_org3, 0);
+ zero_mask = __msa_ceqi_h(block_org3, 0);
+ block_neg = - block_org3;
+ block_vec = (v8i16) __msa_bmnz_v((v16u8) block_org3, (v16u8) block_neg,
+ (v16u8) mask);
+ block_vec <<= 1;
+ block_vec += 1;
+ UNPCK_SH_SW(block_vec, block_r, block_l);
+ UNPCK_SH_SW(qscale_vec, qscale_r, qscale_l);
+ UNPCK_SH_SW(quant_m3, quant_m_r, quant_m_l);
+ mul_vec = block_l * qscale_l;
+ mul_vec *= quant_m_l;
+ block_l = mul_vec >> 4;
+ mul_vec = block_r * qscale_r;
+ mul_vec *= quant_m_r;
+ block_r = mul_vec >> 4;
+ mul = __msa_pckev_h((v8i16) block_l, (v8i16) block_r);
+ block_neg = - mul;
+ sum = (v8i16) __msa_bmnz_v((v16u8) mul, (v16u8) block_neg,
+ (v16u8) mask);
+ sum = (v8i16) __msa_bmnz_v((v16u8) sum, (v16u8) block_org3,
+ (v16u8) zero_mask);
+ ST_SH(sum, block);
+
+ block += 8;
+ quant_matrix += 8;
+ sad = __msa_hadd_s_w(sum, sum);
+ sum_res += HADD_SW_S32(sad);
+ }
+
+ return sum_res;
+}
+
+void ff_dct_unquantize_h263_intra_msa(MpegEncContext *s,
+ int16_t *block, int32_t index,
+ int32_t qscale)
+{
+ int32_t qmul, qadd;
+ int32_t nCoeffs;
+
+ av_assert2(s->block_last_index[index] >= 0 || s->h263_aic);
+
+ qmul = qscale << 1;
+
+ if (!s->h263_aic) {
+ block[0] *= index < 4 ? s->y_dc_scale : s->c_dc_scale;
+ qadd = (qscale - 1) | 1;
+ } else {
+ qadd = 0;
+ }
+ if (s->ac_pred)
+ nCoeffs = 63;
+ else
+ nCoeffs = s->inter_scantable.raster_end[s->block_last_index[index]];
+
+ h263_dct_unquantize_msa(block, qmul, qadd, nCoeffs, 1);
+}
+
+void ff_dct_unquantize_h263_inter_msa(MpegEncContext *s,
+ int16_t *block, int32_t index,
+ int32_t qscale)
+{
+ int32_t qmul, qadd;
+ int32_t nCoeffs;
+
+ av_assert2(s->block_last_index[index] >= 0);
+
+ qadd = (qscale - 1) | 1;
+ qmul = qscale << 1;
+
+ nCoeffs = s->inter_scantable.raster_end[s->block_last_index[index]];
+
+ h263_dct_unquantize_msa(block, qmul, qadd, nCoeffs, 0);
+}
+
+void ff_dct_unquantize_mpeg2_inter_msa(MpegEncContext *s,
+ int16_t *block, int32_t index,
+ int32_t qscale)
+{
+ const uint16_t *quant_matrix;
+ int32_t sum = -1;
+
+ quant_matrix = s->inter_matrix;
+
+ sum = mpeg2_dct_unquantize_inter_msa(block, qscale, quant_matrix);
+
+ block[63] ^= sum & 1;
+}
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