diff --git a/ext-codec/SPSParser.c b/ext-codec/SPSParser.c
index de90a0d2..0ece4c8a 100644
--- a/ext-codec/SPSParser.c
+++ b/ext-codec/SPSParser.c
@@ -2284,3 +2284,36 @@ void h265GeFramerate(T_HEVCVPS *ptVps, T_HEVCSPS *ptSps,float *pfFramerate)
     }
 }
 
+int h265ParsePps(T_GetBitContext *ptGetBitContext, T_HEVC_PPS *ptPps)
+{
+    int iRet = 0;
+
+    ptPps->pps_pic_parameter_set_id = parseUe(ptGetBitContext);
+    ptPps->pps_seq_parameter_set_id = parseUe(ptGetBitContext);
+    ptPps->dependent_slice_segments_enabled_flag = getOneBit(ptGetBitContext);
+    ptPps->output_flag_present_flag = getOneBit(ptGetBitContext);
+    ptPps->num_extra_slice_header_bits = getBits(ptGetBitContext, 3);
+    ptPps->sign_data_hiding_enabled_flag = getOneBit(ptGetBitContext);
+    ptPps->cabac_init_present_flag = getOneBit(ptGetBitContext);
+
+    ptPps->num_ref_idx_l0_default_active_minus1 = parseUe(ptGetBitContext);
+    ptPps->num_ref_idx_l1_default_active_minus1 = parseUe(ptGetBitContext);
+    ptPps->init_qp_minus26 = parseSe(ptGetBitContext);
+
+    ptPps->constrained_intra_pred_flag = getOneBit(ptGetBitContext);
+    ptPps->transform_skip_enabled_flag = getOneBit(ptGetBitContext);
+    ptPps->cu_qp_delta_enabled_flag = getOneBit(ptGetBitContext);
+
+    if (ptPps->cu_qp_delta_enabled_flag) {
+        ptPps->diff_cu_qp_delta_depth = parseUe(ptGetBitContext);
+    }
+    ptPps->pps_cb_qp_offset = parseSe(ptGetBitContext);
+    ptPps->pps_cr_qp_offset = parseSe(ptGetBitContext);
+    ptPps->pps_slice_chroma_qp_offsets_present_flag = getOneBit(ptGetBitContext);
+    ptPps->weighted_pred_flag = getOneBit(ptGetBitContext);
+    ptPps->weighted_bipred_flag = getOneBit(ptGetBitContext);
+    ptPps->transquant_bypass_enabled_flag = getOneBit(ptGetBitContext);
+    ptPps->tiles_enabled_flag = getOneBit(ptGetBitContext);
+    ptPps->entropy_coding_sync_enabled_flag = getOneBit(ptGetBitContext);
+    return iRet;
+}
\ No newline at end of file
diff --git a/ext-codec/SPSParser.h b/ext-codec/SPSParser.h
index 1943b757..16aae37f 100644
--- a/ext-codec/SPSParser.h
+++ b/ext-codec/SPSParser.h
@@ -437,6 +437,61 @@ typedef struct T_HEVCSPS {
     int iVuiPresent;
 }T_HEVCSPS;
 
+typedef struct {
+    int pps_pic_parameter_set_id;
+    int pps_seq_parameter_set_id;
+    int dependent_slice_segments_enabled_flag;
+    int output_flag_present_flag;
+    int num_extra_slice_header_bits;
+    int sign_data_hiding_enabled_flag;
+    int cabac_init_present_flag;
+    int num_ref_idx_l0_default_active_minus1;
+    int num_ref_idx_l1_default_active_minus1;
+    int init_qp_minus26;
+    int constrained_intra_pred_flag;
+    int transform_skip_enabled_flag;
+    int cu_qp_delta_enabled_flag;
+    int diff_cu_qp_delta_depth;
+    int pps_cb_qp_offset;
+    int pps_cr_qp_offset;
+    int pps_slice_chroma_qp_offsets_present_flag;
+    int weighted_pred_flag;
+    int weighted_bipred_flag;
+    int transquant_bypass_enabled_flag;
+    int tiles_enabled_flag;
+    int entropy_coding_sync_enabled_flag;
+    int uniform_spacing_flag;
+    int loop_filter_across_tiles_enabled_flag;
+    int pps_loop_filter_across_slices_enabled_flag;
+    int deblocking_filter_control_present_flag;
+    int deblocking_filter_override_enabled_flag;
+    int pps_deblocking_filter_disabled_flag;
+    int pps_beta_offset_div2;
+    int pps_tc_offset_div2;
+    int pps_scaling_list_data_present_flag;
+    int lists_modification_present_flag;
+    int log2_parallel_merge_level_minus2;
+    int slice_segment_header_extension_present_flag;
+    int pps_extension_present_flag;
+    int pps_range_extension_flag;
+    int pps_multilayer_extension_flag;
+    int pps_3d_extension_flag;
+    int pps_scc_extension_flag;
+    int pps_extension_4bits;
+
+    // PPS range extension fields
+    int log2_max_transform_skip_block_size_minus2;
+    int cross_component_prediction_enabled_flag;
+    int chroma_qp_offset_list_enabled_flag;
+    int diff_cu_chroma_qp_offset_depth;
+    int chroma_qp_offset_list_len_minus1;
+    int cb_qp_offset_list[6];
+    int cr_qp_offset_list[6];
+    int log2_sao_offset_scale_luma;
+    int log2_sao_offset_scale_chroma;
+
+    // 可以根据需要添加更多字段
+} T_HEVC_PPS;
 
 typedef struct T_GetBitContext{
     uint8_t *pu8Buf;       // buf 
@@ -446,7 +501,7 @@ typedef struct T_GetBitContext{
     int     iCurBitPos;  // current bit position
 }T_GetBitContext;
 
-
+int h265ParsePps(T_GetBitContext *ptGetBitContext, T_HEVC_PPS *ptPps);
 int h264DecSeqParameterSet(void *pvBuf, T_SPS *ptSps);
 int h265DecSeqParameterSet( void *pvBufSrc, T_HEVCSPS *ptSps );
 int h265DecVideoParameterSet( void *pvBufSrc, T_HEVCVPS *ptVps );