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Patch by Mohamed Tarek from FS#10182 - convert codec to fixed-point using patches submitted to the ffmpeg mailing list in 2007 by Ian Braithwaite.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20901 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2009-05-10 22:26:02 +00:00
parent 3a0a9915eb
commit fc28cb4ed5
7 changed files with 1313 additions and 123 deletions
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24
apps/codecs/libcook/cook.h
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@ -19,7 +19,6 @@
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _COOK_H
#define _COOK_H
@ -29,6 +28,7 @@
#include "dsputil.h"
#include "bytestream.h"
#include "rm2wav.h"
#include "cookdata_fixpoint.h"
typedef struct {
int *now;
@ -42,18 +42,18 @@ typedef struct cook {
*/
void (* scalar_dequant)(struct cook *q, int index, int quant_index,
int* subband_coef_index, int* subband_coef_sign,
float* mlt_p);
REAL_T* mlt_p);
void (* decouple) (struct cook *q,
int subband,
float f1, float f2,
float *decode_buffer,
float *mlt_buffer1, float *mlt_buffer2);
REAL_T f1, REAL_T f2,
REAL_T *decode_buffer,
REAL_T *mlt_buffer1, REAL_T *mlt_buffer2);
void (* imlt_window) (struct cook *q, float *buffer1,
cook_gains *gains_ptr, float *previous_buffer);
void (* interpolate) (struct cook *q, float* buffer,
void (* interpolate) (struct cook *q, REAL_T* buffer,
int gain_index, int gain_index_next);
void (* saturate_output) (struct cook *q, int chan, int16_t *out);
@ -104,12 +104,12 @@ typedef struct cook {
/* data buffers */
uint8_t* decoded_bytes_buffer;
float mono_mdct_output[2048] __attribute__ ((aligned(16))); //DECLARE_ALIGNED_16(float,mono_mdct_output[2048]);
float mono_previous_buffer1[1024];
float mono_previous_buffer2[1024];
float decode_buffer_1[1024];
float decode_buffer_2[1024];
float decode_buffer_0[1060]; /* static allocation for joint decode */
REAL_T mono_mdct_output[2048] __attribute__ ((aligned(16))); //DECLARE_ALIGNED_16(float,mono_mdct_output[2048]);
REAL_T mono_previous_buffer1[1024];
REAL_T mono_previous_buffer2[1024];
REAL_T decode_buffer_1[1024];
REAL_T decode_buffer_2[1024];
REAL_T decode_buffer_0[1060]; /* static allocation for joint decode */
const float *cplscales[5];
} COOKContext;