Allow replacement of hevc headers

third-party/cbs/include/cbs/video_levels.h

@@ -22,6 +22,53 @@
 
 #include <stdint.h>
 
+#include "cbs_h265.h"
+
+typedef struct H265LevelDescriptor {
+  const char *name;
+  uint8_t level_idc;
+
+  // Table A.6.
+  uint32_t max_luma_ps;
+  uint32_t max_cpb_main;
+  uint32_t max_cpb_high;
+  uint16_t max_slice_segments_per_picture;
+  uint8_t max_tile_rows;
+  uint8_t max_tile_cols;
+
+  // Table A.7.
+  uint32_t max_luma_sr;
+  uint32_t max_br_main;
+  uint32_t max_br_high;
+  uint8_t min_cr_base_main;
+  uint8_t min_cr_base_high;
+} H265LevelDescriptor;
+
+typedef struct H265ProfileDescriptor {
+  const char *name;
+  uint8_t profile_idc;
+  uint8_t high_throughput;
+
+  // Tables A.2, A.3 and A.5.
+  uint8_t max_14bit;
+  uint8_t max_12bit;
+  uint8_t max_10bit;
+  uint8_t max_8bit;
+  uint8_t max_422chroma;
+  uint8_t max_420chroma;
+  uint8_t max_monochrome;
+  uint8_t intra;
+  uint8_t one_picture_only;
+  uint8_t lower_bit_rate;
+
+  // Table A.8.
+  uint16_t cpb_vcl_factor;
+  uint16_t cpb_nal_factor;
+  float format_capability_factor;
+  float min_cr_scale_factor;
+  uint8_t max_dpb_pic_buf;
+} H265ProfileDescriptor;
+
 typedef struct H264LevelDescriptor {
   const char *name;
   uint8_t level_idc;
@@ -36,6 +83,20 @@ typedef struct H264LevelDescriptor {
   uint8_t max_mvs_per_2mb;
 } H264LevelDescriptor;
 
+const H265ProfileDescriptor *ff_h265_get_profile(const H265RawProfileTierLevel *ptl);
+
+/**
+ * Guess the level of a stream from some parameters.
+ *
+ * Unknown parameters may be zero, in which case they are ignored.
+ */
+const H265LevelDescriptor *ff_h265_guess_level(const H265RawProfileTierLevel *ptl,
+  int64_t bitrate,
+  int width, int height,
+  int slice_segments,
+  int tile_rows, int tile_cols,
+  int max_dec_pic_buffering);
+
 /**
  * Guess the level of a stream from some parameters.
  *