virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-03 05:10:03 +02:00
Code Issues Releases Activity

aacdec: duplicate table initialization

Browse Source 
Preparation to move all table init and support windowing functions.
This commit is contained in:
Lynne 2024-03-16 00:12:56 +01:00
parent e9fc7661da
commit a309aa4127
No known key found for this signature in database
GPG Key ID: A2FEA5F03F034464
5 changed files with 57 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/aac/aacdec.c
View File

@ -120,6 +120,8 @@ av_cold int ff_aac_decode_init_common(AVCodecContext *avctx)
ac->dsp = is_fixed ? aac_dsp_fixed : aac_dsp;
ac->dsp.init_tables();
return 0;
}

2
libavcodec/aac/aacdec_dsp_template.c
View File

@ -311,6 +311,8 @@ static void AAC_RENAME(update_ltp)(AACDecContext *ac, SingleChannelElement *sce)
}
const AACDecDSP AAC_RENAME(aac_dsp) = {
.init_tables = &AAC_RENAME(init_tables),
.dequant_scalefactors = &AAC_RENAME(dequant_scalefactors),
.apply_mid_side_stereo = &AAC_RENAME(apply_mid_side_stereo),
.apply_intensity_stereo = &AAC_RENAME(apply_intensity_stereo),

26
libavcodec/aac/aacdec_fixed.c
View File

@ -31,12 +31,34 @@
#define USE_FIXED 1
#include "libavutil/thread.h"
#include "libavcodec/aac_defines.h"
#include "libavcodec/aactab.h"
#include "libavcodec/sinewin_fixed_tablegen.h"
#include "libavcodec/kbdwin.h"
DECLARE_ALIGNED(32, extern int, AAC_RENAME2(aac_kbd_long_1024))[1024];
DECLARE_ALIGNED(32, extern int, AAC_RENAME2(aac_kbd_short_128))[128];
DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME2(aac_kbd_long_1024))[1024];
DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME2(aac_kbd_short_128))[128];
DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(aac_kbd_long_960))[960];
DECLARE_ALIGNED(32, static INTFLOAT, AAC_RENAME(aac_kbd_short_120))[120];
static void init_tables_fixed_fn(void)
{
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_long_1024), 4.0, 1024);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_short_128), 6.0, 128);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_long_960), 4.0, 960);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_short_120), 6.0, 120);
init_sine_windows_fixed();
}
static void init_tables_fixed(void)
{
static AVOnce init_fixed_once = AV_ONCE_INIT;
ff_thread_once(&init_fixed_once, init_tables_fixed_fn);
}
#include "aacdec_dsp_template.c"

27
libavcodec/aac/aacdec_float.c
View File

@ -31,9 +31,36 @@
#define USE_FIXED 0
#include "libavutil/thread.h"
#include "libavcodec/aac_defines.h"
#include "libavcodec/aactab.h"
#include "libavcodec/sinewin.h"
#include "libavcodec/kbdwin.h"
DECLARE_ALIGNED(32, static float, sine_120)[120];
DECLARE_ALIGNED(32, static float, sine_960)[960];
DECLARE_ALIGNED(32, static float, aac_kbd_long_960)[960];
DECLARE_ALIGNED(32, static float, aac_kbd_short_120)[120];
static void init_tables_float_fn(void)
{
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_long_1024), 4.0, 1024);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME2(aac_kbd_short_128), 6.0, 128);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_long_960), 4.0, 960);
AAC_RENAME(ff_kbd_window_init)(AAC_RENAME(aac_kbd_short_120), 6.0, 120);
AAC_RENAME(ff_sine_window_init)(AAC_RENAME(sine_960), 960);
AAC_RENAME(ff_sine_window_init)(AAC_RENAME(sine_120), 120);
AAC_RENAME(ff_init_ff_sine_windows)(9);
}
static void init_tables(void)
{
static AVOnce init_float_once = AV_ONCE_INIT;
ff_thread_once(&init_float_once, init_tables_float_fn);
}
#include "aacdec_dsp_template.c"

2
libavcodec/aacdec.h
View File

@ -204,6 +204,8 @@ typedef struct DynamicRangeControl {
* DSP-specific primitives
*/
typedef struct AACDecDSP {
void (*init_tables)(void);
void (*dequant_scalefactors)(SingleChannelElement *sce);
void (*apply_mid_side_stereo)(AACDecContext *ac, ChannelElement *cpe);