diff options
| -rw-r--r-- | libavcodec/hevc_cabac.c | 15 | ||||
| -rw-r--r-- | libavcodec/hevcdec.c | 4 | ||||
| -rw-r--r-- | libavcodec/hevcdec.h | 6 |
3 files changed, 17 insertions, 8 deletions
diff --git a/libavcodec/hevc_cabac.c b/libavcodec/hevc_cabac.c index 3635b16ca9..9b8c8e342d 100644 --- a/libavcodec/hevc_cabac.c +++ b/libavcodec/hevc_cabac.c @@ -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); } } } diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c index 305e32c450..92eb888033 100644 --- a/libavcodec/hevcdec.c +++ b/libavcodec/hevcdec.c @@ -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); diff --git a/libavcodec/hevcdec.h b/libavcodec/hevcdec.h index b2aa392b43..482638a8e5 100644 --- a/libavcodec/hevcdec.h +++ b/libavcodec/hevcdec.h @@ -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); |