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idctdsp: Add global function pointers for {add|put}_pixels_clamped functions

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These function pointers already existed in the ARM code. Adding them globally
allows calls to the function pointers to access arch-optimized versions of the
functions transparently.
This commit is contained in:
Diego Biurrun 2014-08-31 11:45:15 -07:00
parent 91d305790e
commit 95c0cec03a
6 changed files with 32 additions and 23 deletions
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7
libavcodec/arm/idctdsp_init_arm.c
View File

@ -29,10 +29,6 @@
#include "idct.h"
#include "idctdsp_arm.h"
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
int line_size);
@ -67,9 +63,6 @@ av_cold void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,
{
int cpu_flags = av_get_cpu_flags();
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
if (!high_bit_depth) {
if (avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_ARM) {

2
libavcodec/dct.h
View File

@ -59,5 +59,7 @@ void ff_fdct248_islow_8(int16_t *data);
void ff_fdct248_islow_10(int16_t *data);
void ff_j_rev_dct(int16_t *data);
void ff_jref_idct_put(uint8_t *dest, int line_size, int16_t *block);
void ff_jref_idct_add(uint8_t *dest, int line_size, int16_t *block);
#endif /* AVCODEC_DCT_H */

22
libavcodec/idctdsp.c
View File

@ -79,6 +79,9 @@ av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation,
}
}
void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
static void put_pixels_clamped_c(const int16_t *block, uint8_t *restrict pixels,
int line_size)
{
@ -141,18 +144,6 @@ static void add_pixels_clamped_c(const int16_t *block, uint8_t *restrict pixels,
}
}
static void jref_idct_put(uint8_t *dest, int line_size, int16_t *block)
{
ff_j_rev_dct(block);
put_pixels_clamped_c(block, dest, line_size);
}
static void jref_idct_add(uint8_t *dest, int line_size, int16_t *block)
{
ff_j_rev_dct(block);
add_pixels_clamped_c(block, dest, line_size);
}
av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
{
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
@ -163,8 +154,8 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
c->idct = ff_simple_idct_10;
c->perm_type = FF_IDCT_PERM_NONE;
} else if (avctx->idct_algo == FF_IDCT_INT) {
c->idct_put = jref_idct_put;
c->idct_add = jref_idct_add;
c->idct_put = ff_jref_idct_put;
c->idct_add = ff_jref_idct_add;
c->idct = ff_j_rev_dct;
c->perm_type = FF_IDCT_PERM_LIBMPEG2;
} else if (avctx->idct_algo == FF_IDCT_FAAN) {
@ -183,6 +174,9 @@ av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx)
c->put_signed_pixels_clamped = put_signed_pixels_clamped_c;
c->add_pixels_clamped = add_pixels_clamped_c;
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
if (ARCH_ARM)
ff_idctdsp_init_arm(c, avctx, high_bit_depth);
if (ARCH_PPC)

3
libavcodec/idctdsp.h
View File

@ -95,6 +95,9 @@ typedef struct IDCTDSPContext {
enum idct_permutation_type perm_type;
} IDCTDSPContext;
extern void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
extern void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx);
void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,

14
libavcodec/jrevdct.c
View File

@ -63,7 +63,9 @@
*/
#include "libavutil/common.h"
#include "dct.h"
#include "idctdsp.h"
#define EIGHT_BIT_SAMPLES
@ -940,3 +942,15 @@ void ff_j_rev_dct(DCTBLOCK data)
dataptr++; /* advance pointer to next column */
}
}
void ff_jref_idct_put(uint8_t *dest, int line_size, int16_t *block)
{
ff_j_rev_dct(block);
ff_put_pixels_clamped(block, dest, line_size);
}
void ff_jref_idct_add(uint8_t *dest, int line_size, int16_t *block)
{
ff_j_rev_dct(block);
ff_add_pixels_clamped(block, dest, line_size);
}

7
libavcodec/x86/simple_idct.c
View File

@ -23,6 +23,9 @@
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/idctdsp.h"
#include "idctdsp.h"
#include "simple_idct.h"
@ -1159,12 +1162,12 @@ void ff_simple_idct_mmx(int16_t *block)
void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block)
{
idct(block);
ff_put_pixels_clamped_mmx(block, dest, line_size);
ff_put_pixels_clamped(block, dest, line_size);
}
void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block)
{
idct(block);
ff_add_pixels_clamped_mmx(block, dest, line_size);
ff_add_pixels_clamped(block, dest, line_size);
}
#endif /* HAVE_INLINE_ASM */