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intrax8: Keep a reference to the context idctdsp

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Use it instead of the embedded mpegvideo one. Update init function
signature to load it directly from the callers.
This commit is contained in:
Vittorio Giovara 2016-02-19 18:12:06 -05:00
parent 65127450ad
commit 68127e1bf8
5 changed files with 16 additions and 9 deletions
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1
configure vendored
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@ -1863,6 +1863,7 @@ error_resilience_select="me_cmp"
faandct_deps="faan fdctdsp"
faanidct_deps="faan idctdsp"
h264dsp_select="startcode"
intrax8_select="idctdsp"
mdct_select="fft"
rdft_select="fft"
me_cmp_select="fdctdsp idctdsp pixblockdsp"

14
libavcodec/intrax8.c
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@ -492,7 +492,7 @@ static void x8_ac_compensation(IntraX8Context *const w, const int direction,
{
MpegEncContext *const s = w->s;
int t;
#define B(x, y) s->block[0][s->idsp.idct_permutation[(x) + (y) * 8]]
#define B(x, y) s->block[0][w->idsp.idct_permutation[(x) + (y) * 8]]
#define T(x) ((x) * dc_level + 0x8000) >> 16;
switch (direction) {
case 0:
@ -704,7 +704,7 @@ static int x8_decode_intra_mb(IntraX8Context *const w, const int chroma)
s->current_picture.f->linesize[!!chroma]);
}
if (!zeros_only)
s->idsp.idct_add(w->dest[chroma],
w->idsp.idct_add(w->dest[chroma],
s->current_picture.f->linesize[!!chroma],
s->block[0]);
@ -743,12 +743,14 @@ static void x8_init_block_index(IntraX8Context *w, AVFrame *frame, int mb_y)
w->dest[2] += (mb_y & (~1)) * uvlinesize << 2;
}
av_cold int ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
av_cold int ff_intrax8_common_init(IntraX8Context *w, IDCTDSPContext *idsp,
MpegEncContext *const s)
{
int ret = x8_vlc_init();
if (ret < 0)
return ret;
w->idsp = *idsp;
w->s = s;
// two rows, 2 blocks per cannon mb
@ -756,11 +758,11 @@ av_cold int ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s)
if (!w->prediction_table)
return AVERROR(ENOMEM);
ff_init_scantable(s->idsp.idct_permutation, &w->scantable[0],
ff_init_scantable(w->idsp.idct_permutation, &w->scantable[0],
ff_wmv1_scantable[0]);
ff_init_scantable(s->idsp.idct_permutation, &w->scantable[1],
ff_init_scantable(w->idsp.idct_permutation, &w->scantable[1],
ff_wmv1_scantable[2]);
ff_init_scantable(s->idsp.idct_permutation, &w->scantable[2],
ff_init_scantable(w->idsp.idct_permutation, &w->scantable[2],
ff_wmv1_scantable[3]);
ff_intrax8dsp_init(&w->dsp);

6
libavcodec/intrax8.h
View File

@ -21,6 +21,7 @@
#include "get_bits.h"
#include "mpegvideo.h"
#include "idctdsp.h"
#include "intrax8dsp.h"
typedef struct IntraX8Context {
@ -37,6 +38,7 @@ typedef struct IntraX8Context {
// set by the caller codec
MpegEncContext *s;
IntraX8DSPContext dsp;
IDCTDSPContext idsp;
int quant;
int dquant;
int qsum;
@ -61,10 +63,12 @@ typedef struct IntraX8Context {
* Initialize IntraX8 frame decoder.
* Requires valid MpegEncContext with valid s->mb_width before calling.
* @param w pointer to IntraX8Context
* @param idsp pointer to IDCTDSPContext
* @param s pointer to MpegEncContext of the parent codec
* @return 0 on success, a negative AVERROR value on error
*/
int ff_intrax8_common_init(IntraX8Context *w, MpegEncContext *const s);
int ff_intrax8_common_init(IntraX8Context *w, IDCTDSPContext *idsp,
MpegEncContext *const s);
/**
* Destroy IntraX8 frame structure.

2
libavcodec/vc1dec.c
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@ -379,7 +379,7 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
}
}
ret = ff_intrax8_common_init(&v->x8, s);
ret = ff_intrax8_common_init(&v->x8, &s->idsp, s);
if (ret < 0)
goto error;

2
libavcodec/wmv2dec.c
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@ -471,7 +471,7 @@ static av_cold int wmv2_decode_init(AVCodecContext *avctx)
ff_wmv2_common_init(w);
return ff_intrax8_common_init(&w->x8, &w->s);
return ff_intrax8_common_init(&w->x8, &w->s.idsp, &w->s);
}
static av_cold int wmv2_decode_end(AVCodecContext *avctx)