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authorChristophe Gisquet <christophe.gisquet@gmail.com>2012-03-04 13:28:16 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-02-10 21:45:55 +0100
commitc3390fd56cf55259ea7665ecea6c8aeddf56e2fc (patch)
tree75bec46420b7d4a9eddbfa499af648922a8bc93c /libavcodec/ra144.h
parentdfc99ca04d7698b8f4101dd4f017c1b023ad95f8 (diff)
downloadffmpeg-c3390fd56cf55259ea7665ecea6c8aeddf56e2fc.tar.gz
ra144: use scalarproduct_int16
The buffer holding the coefficients must be padded with 0 so as to use DSP functions that may overread. Currently, the SSE2/3 versions is an example, as they process batches of 16 bytes. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ra144.h')
-rw-r--r--libavcodec/ra144.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/ra144.h b/libavcodec/ra144.h
index 763495dce7..c2ee59b2dc 100644
--- a/libavcodec/ra144.h
+++ b/libavcodec/ra144.h
@@ -25,6 +25,7 @@
#include <stdint.h>
#include "lpc.h"
#include "audio_frame_queue.h"
+#include "dsputil.h"
#define NBLOCKS 4 ///< number of subblocks within a block
#define BLOCKSIZE 40 ///< subblock size in 16-bit words
@@ -35,6 +36,7 @@
typedef struct RA144Context {
AVCodecContext *avctx;
+ DSPContext dsp;
LPCContext lpc_ctx;
AudioFrameQueue afq;
int last_frame;
@@ -57,6 +59,8 @@ typedef struct RA144Context {
/** Adaptive codebook, its size is two units bigger to avoid a
* buffer overflow. */
int16_t adapt_cb[146+2];
+
+ DECLARE_ALIGNED(16, int16_t, buffer_a)[FFALIGN(BLOCKSIZE,16)];
} RA144Context;
void ff_copy_and_dup(int16_t *target, const int16_t *source, int offset);
@@ -68,7 +72,7 @@ unsigned int ff_rms(const int *data);
int ff_interp(RA144Context *ractx, int16_t *out, int a, int copyold,
int energy);
unsigned int ff_rescale_rms(unsigned int rms, unsigned int energy);
-int ff_irms(const int16_t *data);
+int ff_irms(DSPContext *dsp, const int16_t *data/*align 16*/);
void ff_subblock_synthesis(RA144Context *ractx, const int16_t *lpc_coefs,
int cba_idx, int cb1_idx, int cb2_idx,
int gval, int gain);