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h264: DSP'ize MBAFF loopfilter.

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This commit is contained in:
Ronald S. Bultje 2011-05-09 09:48:21 -04:00
parent cb48fdf67e
commit dd561441b1
3 changed files with 64 additions and 140 deletions
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144
libavcodec/h264_loopfilter.c
View File

@ -135,138 +135,38 @@ static void av_always_inline filter_mb_edgecv( uint8_t *pix, int stride, int16_t
}
}
static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
int i;
static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[7], int bsi, int qp ) {
int index_a = qp + h->slice_alpha_c0_offset;
int alpha = alpha_table[index_a];
int beta = beta_table[qp + h->slice_beta_offset];
for( i = 0; i < 8; i++, pix += stride) {
const int bS_index = (i >> 1) * bsi;
if (alpha ==0 || beta == 0) return;
if( bS[bS_index] == 0 ) {
continue;
}
if( bS[bS_index] < 4 ) {
const int tc0 = tc0_table[index_a][bS[bS_index]];
const int p0 = pix[-1];
const int p1 = pix[-2];
const int p2 = pix[-3];
const int q0 = pix[0];
const int q1 = pix[1];
const int q2 = pix[2];
if( FFABS( p0 - q0 ) < alpha &&
FFABS( p1 - p0 ) < beta &&
FFABS( q1 - q0 ) < beta ) {
int tc = tc0;
int i_delta;
if( FFABS( p2 - p0 ) < beta ) {
if(tc0)
pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
tc++;
}
if( FFABS( q2 - q0 ) < beta ) {
if(tc0)
pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
tc++;
}
i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
}
}else{
const int p0 = pix[-1];
const int p1 = pix[-2];
const int p2 = pix[-3];
const int q0 = pix[0];
const int q1 = pix[1];
const int q2 = pix[2];
if( FFABS( p0 - q0 ) < alpha &&
FFABS( p1 - p0 ) < beta &&
FFABS( q1 - q0 ) < beta ) {
if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
if( FFABS( p2 - p0 ) < beta)
{
const int p3 = pix[-4];
/* p0', p1', p2' */
pix[-1] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
pix[-2] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
pix[-3] = ( 2*p3 + 3*p2 + p1 + p0 + q0 + 4 ) >> 3;
} else {
/* p0' */
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
}
if( FFABS( q2 - q0 ) < beta)
{
const int q3 = pix[3];
/* q0', q1', q2' */
pix[0] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
pix[1] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
pix[2] = ( 2*q3 + 3*q2 + q1 + q0 + p0 + 4 ) >> 3;
} else {
/* q0' */
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
}
}else{
/* p0', q0' */
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
}
tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
}
}
if( bS[0] < 4 ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0*bsi]];
tc[1] = tc0_table[index_a][bS[1*bsi]];
tc[2] = tc0_table[index_a][bS[2*bsi]];
tc[3] = tc0_table[index_a][bS[3*bsi]];
h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
}
}
static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int bsi, int qp ) {
int i;
static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[7], int bsi, int qp ) {
int index_a = qp + h->slice_alpha_c0_offset;
int alpha = alpha_table[index_a];
int beta = beta_table[qp + h->slice_beta_offset];
for( i = 0; i < 4; i++, pix += stride) {
const int bS_index = i*bsi;
if (alpha ==0 || beta == 0) return;
if( bS[bS_index] == 0 ) {
continue;
}
if( bS[bS_index] < 4 ) {
const int tc = tc0_table[index_a][bS[bS_index]] + 1;
const int p0 = pix[-1];
const int p1 = pix[-2];
const int q0 = pix[0];
const int q1 = pix[1];
if( FFABS( p0 - q0 ) < alpha &&
FFABS( p1 - p0 ) < beta &&
FFABS( q1 - q0 ) < beta ) {
const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
pix[-1] = av_clip_uint8( p0 + i_delta ); /* p0' */
pix[0] = av_clip_uint8( q0 - i_delta ); /* q0' */
tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
}
}else{
const int p0 = pix[-1];
const int p1 = pix[-2];
const int q0 = pix[0];
const int q1 = pix[1];
if( FFABS( p0 - q0 ) < alpha &&
FFABS( p1 - p0 ) < beta &&
FFABS( q1 - q0 ) < beta ) {
pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
}
}
if( bS[0] < 4 ) {
int8_t tc[4];
tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
} else {
h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);
}
}

56
libavcodec/h264dsp.c
View File

@ -99,15 +99,15 @@ H264_WEIGHT(2,2)
#undef op_scale2
#undef H264_WEIGHT
static av_always_inline av_flatten void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
static av_always_inline av_flatten void h264_loop_filter_luma_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta, int8_t *tc0)
{
int i, d;
for( i = 0; i < 4; i++ ) {
if( tc0[i] < 0 ) {
pix += 4*ystride;
pix += inner_iters*ystride;
continue;
}
for( d = 0; d < 4; d++ ) {
for( d = 0; d < inner_iters; d++ ) {
const int p0 = pix[-1*xstride];
const int p1 = pix[-2*xstride];
const int p2 = pix[-3*xstride];
@ -143,17 +143,21 @@ static av_always_inline av_flatten void h264_loop_filter_luma_c(uint8_t *pix, in
}
static void h264_v_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_luma_c(pix, stride, 1, alpha, beta, tc0);
h264_loop_filter_luma_c(pix, stride, 1, 4, alpha, beta, tc0);
}
static void h264_h_loop_filter_luma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_luma_c(pix, 1, stride, alpha, beta, tc0);
h264_loop_filter_luma_c(pix, 1, stride, 4, alpha, beta, tc0);
}
static void h264_h_loop_filter_luma_mbaff_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_luma_c(pix, 1, stride, 2, alpha, beta, tc0);
}
static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta)
{
int d;
for( d = 0; d < 16; d++ ) {
for( d = 0; d < 4 * inner_iters; d++ ) {
const int p2 = pix[-3*xstride];
const int p1 = pix[-2*xstride];
const int p0 = pix[-1*xstride];
@ -200,23 +204,27 @@ static av_always_inline av_flatten void h264_loop_filter_luma_intra_c(uint8_t *p
}
static void h264_v_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_luma_intra_c(pix, stride, 1, alpha, beta);
h264_loop_filter_luma_intra_c(pix, stride, 1, 4, alpha, beta);
}
static void h264_h_loop_filter_luma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_luma_intra_c(pix, 1, stride, alpha, beta);
h264_loop_filter_luma_intra_c(pix, 1, stride, 4, alpha, beta);
}
static void h264_h_loop_filter_luma_mbaff_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_luma_intra_c(pix, 1, stride, 2, alpha, beta);
}
static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta, int8_t *tc0)
{
int i, d;
for( i = 0; i < 4; i++ ) {
const int tc = tc0[i];
if( tc <= 0 ) {
pix += 2*ystride;
pix += inner_iters*ystride;
continue;
}
for( d = 0; d < 2; d++ ) {
for( d = 0; d < inner_iters; d++ ) {
const int p0 = pix[-1*xstride];
const int p1 = pix[-2*xstride];
const int q0 = pix[0];
@ -237,17 +245,21 @@ static av_always_inline av_flatten void h264_loop_filter_chroma_c(uint8_t *pix,
}
static void h264_v_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_chroma_c(pix, stride, 1, alpha, beta, tc0);
h264_loop_filter_chroma_c(pix, stride, 1, 2, alpha, beta, tc0);
}
static void h264_h_loop_filter_chroma_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_chroma_c(pix, 1, stride, alpha, beta, tc0);
h264_loop_filter_chroma_c(pix, 1, stride, 2, alpha, beta, tc0);
}
static void h264_h_loop_filter_chroma_mbaff_c(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
{
h264_loop_filter_chroma_c(pix, 1, stride, 1, alpha, beta, tc0);
}
static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int alpha, int beta)
static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t *pix, int xstride, int ystride, int inner_iters, int alpha, int beta)
{
int d;
for( d = 0; d < 8; d++ ) {
for( d = 0; d < 4 * inner_iters; d++ ) {
const int p0 = pix[-1*xstride];
const int p1 = pix[-2*xstride];
const int q0 = pix[0];
@ -265,11 +277,15 @@ static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c(uint8_t
}
static void h264_v_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_chroma_intra_c(pix, stride, 1, alpha, beta);
h264_loop_filter_chroma_intra_c(pix, stride, 1, 2, alpha, beta);
}
static void h264_h_loop_filter_chroma_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_chroma_intra_c(pix, 1, stride, alpha, beta);
h264_loop_filter_chroma_intra_c(pix, 1, stride, 2, alpha, beta);
}
static void h264_h_loop_filter_chroma_mbaff_intra_c(uint8_t *pix, int stride, int alpha, int beta)
{
h264_loop_filter_chroma_intra_c(pix, 1, stride, 1, alpha, beta);
}
void ff_h264dsp_init(H264DSPContext *c)
@ -307,12 +323,16 @@ void ff_h264dsp_init(H264DSPContext *c)
c->h264_v_loop_filter_luma= h264_v_loop_filter_luma_c;
c->h264_h_loop_filter_luma= h264_h_loop_filter_luma_c;
c->h264_h_loop_filter_luma_mbaff= h264_h_loop_filter_luma_mbaff_c;
c->h264_v_loop_filter_luma_intra= h264_v_loop_filter_luma_intra_c;
c->h264_h_loop_filter_luma_intra= h264_h_loop_filter_luma_intra_c;
c->h264_h_loop_filter_luma_mbaff_intra= h264_h_loop_filter_luma_mbaff_intra_c;
c->h264_v_loop_filter_chroma= h264_v_loop_filter_chroma_c;
c->h264_h_loop_filter_chroma= h264_h_loop_filter_chroma_c;
c->h264_h_loop_filter_chroma_mbaff= h264_h_loop_filter_chroma_mbaff_c;
c->h264_v_loop_filter_chroma_intra= h264_v_loop_filter_chroma_intra_c;
c->h264_h_loop_filter_chroma_intra= h264_h_loop_filter_chroma_intra_c;
c->h264_h_loop_filter_chroma_mbaff_intra= h264_h_loop_filter_chroma_mbaff_intra_c;
c->h264_loop_filter_strength= NULL;
if (ARCH_ARM) ff_h264dsp_init_arm(c);

4
libavcodec/h264dsp.h
View File

@ -45,13 +45,17 @@ typedef struct H264DSPContext{
/* loop filter */
void (*h264_v_loop_filter_luma)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0);
void (*h264_h_loop_filter_luma)(uint8_t *pix/*align 4 */, int stride, int alpha, int beta, int8_t *tc0);
void (*h264_h_loop_filter_luma_mbaff)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0);
/* v/h_loop_filter_luma_intra: align 16 */
void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta);
void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta);
void (*h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta);
void (*h264_v_loop_filter_chroma)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0);
void (*h264_h_loop_filter_chroma)(uint8_t *pix/*align 4*/, int stride, int alpha, int beta, int8_t *tc0);
void (*h264_h_loop_filter_chroma_mbaff)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0);
void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta);
void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta);
void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta);
// h264_loop_filter_strength: simd only. the C version is inlined in h264.c
void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2],
int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field);