h264_ps: expose bit rate and CPB size fields

libavcodec/h264_ps.c

@@ -113,12 +113,13 @@ static inline int decode_hrd_parameters(GetBitContext *gb, void *logctx,
         return AVERROR_INVALIDDATA;
     }
 
-    get_bits(gb, 4); /* bit_rate_scale */
+    sps->cpr_flag = 0x0;
+    sps->bit_rate_scale = get_bits(gb, 4);
     get_bits(gb, 4); /* cpb_size_scale */
     for (i = 0; i < cpb_count; i++) {
-        get_ue_golomb_long(gb); /* bit_rate_value_minus1 */
-        get_ue_golomb_long(gb); /* cpb_size_value_minus1 */
-        get_bits1(gb);          /* cbr_flag */
+        sps->bit_rate_value[i] = get_ue_golomb_long(gb) + 1; /* bit_rate_value_minus1 + 1 */
+        sps->cpb_size_value[i] = get_ue_golomb_long(gb) + 1; /* cpb_size_value_minus1 + 1 */
+        sps->cpr_flag         |= get_bits1(gb) << i;
     }
     sps->initial_cpb_removal_delay_length = get_bits(gb, 5) + 1;
     sps->cpb_removal_delay_length         = get_bits(gb, 5) + 1;

libavcodec/h264_ps.h

@@ -89,6 +89,10 @@ typedef struct SPS {
     int pic_struct_present_flag;
     int time_offset_length;
     int cpb_cnt;                          ///< See H.264 E.1.2
+    int bit_rate_scale;
+    uint32_t bit_rate_value[32];          ///< bit_rate_value_minus1 + 1
+    uint32_t cpb_size_value[32];          ///< cpb_size_value_minus1 + 1
+    uint32_t cpr_flag;
     int initial_cpb_removal_delay_length; ///< initial_cpb_removal_delay_length_minus1 + 1
     int cpb_removal_delay_length;         ///< cpb_removal_delay_length_minus1 + 1
     int dpb_output_delay_length;          ///< dpb_output_delay_length_minus1 + 1