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[LMCS] Initialize some m_reshapeCW values to avoid division by zero

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This commit is contained in:
Marko Viitanen 2021-05-24 18:57:37 +03:00
parent 1def1b3c52
commit dbc7fd48bf
5 changed files with 15 additions and 29 deletions
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7
src/encoderstate.c
View file

@ -1639,6 +1639,11 @@ static void encoder_state_init_new_frame(encoder_state_t * const state, kvz_pict
state->tile->frame->lmcs_aps = calloc(1, sizeof(lmcs_aps));
kvz_init_lmcs_aps(state->tile->frame->lmcs_aps, state->encoder_control->cfg.width, state->encoder_control->cfg.height, LCU_CU_WIDTH, LCU_CU_WIDTH, state->encoder_control->bitdepth);
state->tile->frame->lmcs_aps->m_reshapeCW.rspPicSize = state->tile->frame->width * state->tile->frame->height;
state->tile->frame->lmcs_aps->m_reshapeCW.rspBaseQP = state->encoder_control->cfg.qp;
state->tile->frame->lmcs_aps->m_reshapeCW.rspFpsToIp = 16;
// ToDo: support other signal types in LMCS
kvz_lmcs_preanalyzer(state, state->tile->frame, state->tile->frame->lmcs_aps, RESHAPE_SIGNAL_SDR);
kvz_construct_reshaper_lmcs(state->tile->frame->lmcs_aps);
@ -1647,7 +1652,7 @@ static void encoder_state_init_new_frame(encoder_state_t * const state, kvz_pict
kvz_pixel* luma_lmcs = state->tile->frame->source_lmcs->y;
for (int y = 0; y < state->tile->frame->source->height; y++) {
for (int x = 0; x < state->tile->frame->source->width; x++) {
//luma[x] = state->tile->frame->lmcs_aps->m_fwdLUT[luma[x]];
luma_lmcs[x] = state->tile->frame->lmcs_aps->m_fwdLUT[luma[x]];
}
luma += state->tile->frame->source->stride;
luma_lmcs += state->tile->frame->source->stride;

4
src/reshape.c
View file

@ -110,7 +110,7 @@ void kvz_calc_seq_stats(struct encoder_state_t* const state, const videoframe_t*
const encoder_control_t* const encoder = state->encoder_control;
int32_t m_binNum = PIC_CODE_CW_BINS;
kvz_pixel* picY = &frame->source->y[CU_TO_PIXEL(0, 0, 0, frame->source->stride)];
kvz_pixel* picY = &frame->source->y[0];
const int width = frame->source->width;
const int height = frame->source->height;
const int stride = frame->source->stride;
@ -831,7 +831,7 @@ void kvz_lmcs_preanalyzer(struct encoder_state_t* const state, const videoframe_
aps->m_sliceReshapeInfo.sliceReshaperModelPresentFlag = true;
aps->m_sliceReshapeInfo.sliceReshaperEnableFlag = true;
int modIP = 0;// state->frame->poc - state->frame->poc / aps->m_reshapeCW.rspFpsToIp * aps->m_reshapeCW.rspFpsToIp;
int modIP = state->frame->poc - state->frame->poc / aps->m_reshapeCW.rspFpsToIp * aps->m_reshapeCW.rspFpsToIp;
if (sliceType == KVZ_SLICE_I || (aps->m_reshapeCW.updateCtrl == 2 && modIP == 0))
{
if (aps->m_sliceReshapeInfo.sliceReshaperModelPresentFlag == true)

2
src/search.c
View file

@ -943,7 +943,7 @@ static void init_lcu_t(const encoder_state_t * const state, const int x, const i
int x_max_c = x_max / 2;
int y_max_c = y_max / 2;
kvz_pixels_blit(&frame->source->y[x + y * frame->source->stride], lcu->ref.y,
kvz_pixels_blit(&frame->source_lmcs->y[x + y * frame->source->stride], lcu->ref.y,
x_max, y_max, frame->source->stride, LCU_WIDTH);
if (state->encoder_control->chroma_format != KVZ_CSP_400) {
kvz_pixels_blit(&frame->source->u[x_c + y_c * frame->source->stride / 2], lcu->ref.u,

14
src/strategies/avx2/quant-avx2.c
View file

@ -665,18 +665,8 @@ int kvz_quantize_residual_avx2(encoder_state_t *const state,
assert(width <= TR_MAX_WIDTH);
assert(width >= TR_MIN_WIDTH);
int y, x;
// ToDo: do something with the LMCS for better performance
if (state->encoder_control->cfg.lmcs_enable && color == COLOR_Y) {
for (y = 0; y < width; ++y) {
for (x = 0; x < width; ++x) {
residual[x + y * width] = (int16_t)(state->tile->frame->lmcs_aps->m_fwdLUT[ref_in[x + y * in_stride]] - pred_in[x + y * in_stride]);
}
}
} else {
// Get residual. (ref_in - pred_in -> residual)
get_residual_avx2(ref_in, pred_in, residual, width, in_stride);
}
// Get residual. (ref_in - pred_in -> residual)
get_residual_avx2(ref_in, pred_in, residual, width, in_stride);
// Transform residual. (residual -> coeff)
if (use_trskip) {

15
src/strategies/generic/quant-generic.c
View file

@ -207,18 +207,9 @@ int kvz_quantize_residual_generic(encoder_state_t *const state,
// Get residual. (ref_in - pred_in -> residual)
{
int y, x;
if (state->encoder_control->cfg.lmcs_enable && color == COLOR_Y) {
for (y = 0; y < width; ++y) {
for (x = 0; x < width; ++x) {
residual[x + y * width] = (int16_t)(state->tile->frame->lmcs_aps->m_fwdLUT[ref_in[x + y * in_stride]] - pred_in[x + y * in_stride]);
}
}
}
else {
for (y = 0; y < width; ++y) {
for (x = 0; x < width; ++x) {
residual[x + y * width] = (int16_t)(ref_in[x + y * in_stride] - pred_in[x + y * in_stride]);
}
for (y = 0; y < width; ++y) {
for (x = 0; x < width; ++x) {
residual[x + y * width] = (int16_t)(ref_in[x + y * in_stride] - pred_in[x + y * in_stride]);
}
}
}