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authorPaul B Mahol <onemda@gmail.com>2016-04-13 21:36:26 +0300
committerPaul B Mahol <onemda@gmail.com>2016-04-13 23:56:53 +0300
commit56759f69a6015b3ce6bdf4b7ae441bb44b097e5e (patch)
tree08849c551b51e1646d9bc1dc41dcc96c9c12ce8b /libavcodec/wmalosslessdec.c
parent5ac71e9db84c83d5b52904c6910bb4a52d184931 (diff)
avcodec/wmalosslessdec: improve 24bit support
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/wmalosslessdec.c')
-rw-r--r--libavcodec/wmalosslessdec.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 4d50915615..f7f249bd42 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -135,8 +135,8 @@ typedef struct WmallDecodeCtx {
int8_t mclms_scaling;
int16_t mclms_coeffs[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS * 32];
int16_t mclms_coeffs_cur[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS];
- int16_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32];
- int16_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32];
+ int32_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32];
+ int32_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32];
int mclms_recent;
int movave_scaling;
@@ -147,9 +147,9 @@ typedef struct WmallDecodeCtx {
int scaling;
int coefsend;
int bitsend;
- DECLARE_ALIGNED(16, int16_t, coefs)[MAX_ORDER + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
- DECLARE_ALIGNED(16, int16_t, lms_prevvalues)[MAX_ORDER * 2 + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
- DECLARE_ALIGNED(16, int16_t, lms_updates)[MAX_ORDER * 2 + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
+ DECLARE_ALIGNED(16, int32_t, coefs)[MAX_ORDER + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
+ DECLARE_ALIGNED(16, int32_t, lms_prevvalues)[MAX_ORDER * 2 + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
+ DECLARE_ALIGNED(16, int32_t, lms_updates)[MAX_ORDER * 2 + WMALL_COEFF_PAD_SIZE/sizeof(int16_t)];
int recent;
} cdlms[WMALL_MAX_CHANNELS][9];
@@ -657,10 +657,10 @@ static void mclms_update(WmallDecodeCtx *s, int icoef, int *pred)
if (s->mclms_recent == 0) {
memcpy(&s->mclms_prevvalues[order * num_channels],
s->mclms_prevvalues,
- sizeof(int16_t) * order * num_channels);
+ sizeof(int32_t) * order * num_channels);
memcpy(&s->mclms_updates[order * num_channels],
s->mclms_updates,
- sizeof(int16_t) * order * num_channels);
+ sizeof(int32_t) * order * num_channels);
s->mclms_recent = num_channels * order;
}
}
@@ -719,7 +719,7 @@ static void lms_update(WmallDecodeCtx *s, int ich, int ilms, int input)
s->cdlms[ich][ilms].lms_updates[recent + (order >> 3)] >>= 1;
s->cdlms[ich][ilms].recent = recent;
memset(s->cdlms[ich][ilms].lms_updates + recent + order, 0,
- sizeof(s->cdlms[ich][ilms].lms_updates) - 2*(recent+order));
+ sizeof(s->cdlms[ich][ilms].lms_updates) - 4*(recent+order));
}
static void use_high_update_speed(WmallDecodeCtx *s, int ich)
@@ -767,7 +767,7 @@ static void revert_cdlms(WmallDecodeCtx *s, int ch,
for (icoef = coef_begin; icoef < coef_end; icoef++) {
pred = 1 << (s->cdlms[ch][ilms].scaling - 1);
residue = s->channel_residues[ch][icoef];
- pred += s->dsp.scalarproduct_and_madd_int16(s->cdlms[ch][ilms].coefs,
+ pred += s->dsp.scalarproduct_and_madd_int32(s->cdlms[ch][ilms].coefs,
s->cdlms[ch][ilms].lms_prevvalues
+ s->cdlms[ch][ilms].recent,
s->cdlms[ch][ilms].lms_updates