#define AVCODEC_H264_PARSE_H
#include "get_bits.h"
+#include "h264_ps.h"
typedef struct H264PredWeightTable {
int use_weight;
int chroma_log2_weight_denom;
int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag
int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag
- // The following 2 can be changed to int8_t but that causes 10cpu cycles speedloss
+ // The following 2 can be changed to int8_t but that causes a 10 CPU cycles speed loss
int luma_weight[48][2][2];
int chroma_weight[48][2][2][2];
int implicit_weight[48][48][2];
} H264PredWeightTable;
-struct SPS;
+typedef struct H264POCContext {
+ int poc_lsb;
+ int poc_msb;
+ int delta_poc_bottom;
+ int delta_poc[2];
+ int frame_num;
+ int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
+ int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
+ int frame_num_offset; ///< for POC type 2
+ int prev_frame_num_offset; ///< for POC type 2
+ int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
+} H264POCContext;
-int ff_h264_pred_weight_table(GetBitContext *gb, const struct SPS *sps,
+int ff_h264_pred_weight_table(GetBitContext *gb, const SPS *sps,
const int *ref_count, int slice_type_nos,
H264PredWeightTable *pwt);
+/**
+ * Check if the top & left blocks are available if needed & change the
+ * dc mode so it only uses the available blocks.
+ */
+int ff_h264_check_intra4x4_pred_mode(int8_t *pred_mode_cache, void *logctx,
+ int top_samples_available, int left_samples_available);
+
+/**
+ * Check if the top & left blocks are available if needed & change the
+ * dc mode so it only uses the available blocks.
+ */
+int ff_h264_check_intra_pred_mode(void *logctx, int top_samples_available,
+ int left_samples_available,
+ int mode, int is_chroma);
+
+int ff_h264_parse_ref_count(int *plist_count, int ref_count[2],
+ GetBitContext *gb, const PPS *pps,
+ int slice_type_nos, int picture_structure);
+
+int ff_h264_init_poc(int pic_field_poc[2], int *pic_poc,
+ const SPS *sps, H264POCContext *poc,
+ int picture_structure, int nal_ref_idc);
+
+int ff_h264_decode_extradata(const uint8_t *data, int size, H264ParamSets *ps,
+ int *is_avc, int *nal_length_size,
+ int err_recognition, void *logctx);
+
+/**
+ * compute profile from sps
+ */
+int ff_h264_get_profile(const SPS *sps);
+
#endif /* AVCODEC_H264_PARSE_H */