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avcodec/hevcdec: fix stat_coeff save/load for persistent_rice_adaptation_enabled_flag 

It's required by the 9.3.1 TableStatCoeff* section.

Following clips have this feature:
WPP_HIGH_TP_444_8BIT_RExt_Apple_2.bit
Bitdepth_A_RExt_Sony_1.bin
Bitdepth_B_RExt_Sony_1.bin
EXTPREC_HIGHTHROUGHPUT_444_16_INTRA_10BIT_RExt_Sony_1.bit
EXTPREC_HIGHTHROUGHPUT_444_16_INTRA_12BIT_RExt_Sony_1.bit
EXTPREC_HIGHTHROUGHPUT_444_16_INTRA_8BIT_RExt_Sony_1.bit
EXTPREC_MAIN_444_16_INTRA_10BIT_RExt_Sony_1.bit
EXTPREC_MAIN_444_16_INTRA_12BIT_RExt_Sony_1.bit
EXTPREC_MAIN_444_16_INTRA_8BIT_RExt_Sony_1.bit
WPP_AND_TILE_10Bit422Test_HIGH_TP_444_10BIT_RExt_Apple_2.bit
WPP_AND_TILE_AND_CABAC_BYPASS_ALIGN_0_HIGH_TP_444_14BIT_RExt_Apple_2.bit
WPP_AND_TILE_AND_CABAC_BYPASS_ALIGN_1_HIGH_TP_444_14BIT_RExt_Apple_2.bit
WPP_AND_TILE_HIGH_TP_444_8BIT_RExt_Apple_2.bit

you can download them from:
https://www.itu.int/wftp3/av-arch/jctvc-site/bitstream_exchange/draft_conformance/RExt/

Signed-off-by: Xu Guangxin <oddstone@gmail.com>
Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>
This commit is contained in:
Xu Guangxin 2020-11-15 10:36:22 +08:00 committed by Linjie Fu
parent 89c9c42c5b
commit c8bc0f66a8
3 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
libavcodec/hevc_cabac.c
View File

@ -454,12 +454,19 @@ void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts)
(s->ps.sps->ctb_width == 2 &&
ctb_addr_ts % s->ps.sps->ctb_width == 0))) {
memcpy(s->cabac_state, s->HEVClc->cabac_state, HEVC_CONTEXTS);
if (s->ps.sps->persistent_rice_adaptation_enabled_flag) {
memcpy(s->stat_coeff, s->HEVClc->stat_coeff, HEVC_STAT_COEFFS);
}
}
}
static void load_states(HEVCContext *s)
static void load_states(HEVCContext *s, int thread)
{
memcpy(s->HEVClc->cabac_state, s->cabac_state, HEVC_CONTEXTS);
if (s->ps.sps->persistent_rice_adaptation_enabled_flag) {
const HEVCContext *prev = s->sList[(thread + s->threads_number - 1) % s->threads_number];
memcpy(s->HEVClc->stat_coeff, prev->stat_coeff, HEVC_STAT_COEFFS);
}
}
static int cabac_reinit(HEVCLocalContext *lc)
@ -501,7 +508,7 @@ static void cabac_init_state(HEVCContext *s)
s->HEVClc->stat_coeff[i] = 0;
}
int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts, int thread)
{
if (ctb_addr_ts == s->ps.pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]) {
int ret = cabac_init_decoder(s);
@ -518,7 +525,7 @@ int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
if (s->ps.sps->ctb_width == 1)
cabac_init_state(s);
else if (s->sh.dependent_slice_segment_flag == 1)
load_states(s);
load_states(s, thread);
}
}
} else {
@ -549,7 +556,7 @@ int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts)
if (s->ps.sps->ctb_width == 1)
cabac_init_state(s);
else
load_states(s);
load_states(s, thread);
}
}
}

4
libavcodec/hevcdec.c
View File

@ -2473,7 +2473,7 @@ static int hls_decode_entry(AVCodecContext *avctxt, void *isFilterThread)
y_ctb = (ctb_addr_rs / ((s->ps.sps->width + ctb_size - 1) >> s->ps.sps->log2_ctb_size)) << s->ps.sps->log2_ctb_size;
hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts);
ret = ff_hevc_cabac_init(s, ctb_addr_ts);
ret = ff_hevc_cabac_init(s, ctb_addr_ts, 0);
if (ret < 0) {
s->tab_slice_address[ctb_addr_rs] = -1;
return ret;
@ -2551,7 +2551,7 @@ static int hls_decode_entry_wpp(AVCodecContext *avctxt, void *input_ctb_row, int
return 0;
}
ret = ff_hevc_cabac_init(s, ctb_addr_ts);
ret = ff_hevc_cabac_init(s, ctb_addr_ts, thread);
if (ret < 0)
goto error;
hls_sao_param(s, x_ctb >> s->ps.sps->log2_ctb_size, y_ctb >> s->ps.sps->log2_ctb_size);

6
libavcodec/hevcdec.h
View File

@ -53,6 +53,7 @@
#define DEFAULT_INTRA_TC_OFFSET 2
#define HEVC_CONTEXTS 199
#define HEVC_STAT_COEFFS 4
#define MRG_MAX_NUM_CANDS 5
@ -424,7 +425,7 @@ typedef struct HEVCFrame {
typedef struct HEVCLocalContext {
uint8_t cabac_state[HEVC_CONTEXTS];
uint8_t stat_coeff[4];
uint8_t stat_coeff[HEVC_STAT_COEFFS];
uint8_t first_qp_group;
@ -480,6 +481,7 @@ typedef struct HEVCContext {
int height;
uint8_t *cabac_state;
uint8_t stat_coeff[HEVC_STAT_COEFFS];
/** 1 if the independent slice segment header was successfully parsed */
uint8_t slice_initialized;
@ -594,7 +596,7 @@ int ff_hevc_frame_rps(HEVCContext *s);
int ff_hevc_slice_rpl(HEVCContext *s);
void ff_hevc_save_states(HEVCContext *s, int ctb_addr_ts);
int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts);
int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts, int thread);
int ff_hevc_sao_merge_flag_decode(HEVCContext *s);
int ff_hevc_sao_type_idx_decode(HEVCContext *s);
int ff_hevc_sao_band_position_decode(HEVCContext *s);