*/
/**
- * @file h264.h
+ * @file libavcodec/h264.h
* H.264 / AVC / MPEG4 part10 codec.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
-#ifndef H264_H
-#define H264_H
+#ifndef AVCODEC_H264_H
+#define AVCODEC_H264_H
#include "dsputil.h"
#include "cabac.h"
#define MAX_MMCO_COUNT 66
+#define MAX_DELAYED_PIC_COUNT 16
+
/* Compiling in interlaced support reduces the speed
* of progressive decoding by about 2%. */
#define ALLOW_INTERLACE
+#define ALLOW_NOCHROMA
+
+/**
+ * The maximum number of slices supported by the decoder.
+ * must be a power of 2
+ */
+#define MAX_SLICES 16
+
#ifdef ALLOW_INTERLACE
#define MB_MBAFF h->mb_mbaff
#define MB_FIELD h->mb_field_decoding_flag
#define FRAME_MBAFF h->mb_aff_frame
-#define FIELD_PICTURE 0
+#define FIELD_PICTURE (s->picture_structure != PICT_FRAME)
#else
#define MB_MBAFF 0
#define MB_FIELD 0
#undef IS_INTERLACED
#define IS_INTERLACED(mb_type) 0
#endif
+#define FIELD_OR_MBAFF_PICTURE (FRAME_MBAFF || FIELD_PICTURE)
+
+#ifdef ALLOW_NOCHROMA
+#define CHROMA h->sps.chroma_format_idc
+#else
+#define CHROMA 1
+#endif
+
+#ifndef CONFIG_H264_ENCODER
+#define CONFIG_H264_ENCODER 0
+#endif
+
+#define EXTENDED_SAR 255
+
+#define MB_TYPE_REF0 MB_TYPE_ACPRED //dirty but it fits in 16 bit
+#define MB_TYPE_8x8DCT 0x01000000
+#define IS_REF0(a) ((a) & MB_TYPE_REF0)
+#define IS_8x8DCT(a) ((a) & MB_TYPE_8x8DCT)
+
+/* NAL unit types */
+enum {
+ NAL_SLICE=1,
+ NAL_DPA,
+ NAL_DPB,
+ NAL_DPC,
+ NAL_IDR_SLICE,
+ NAL_SEI,
+ NAL_SPS,
+ NAL_PPS,
+ NAL_AUD,
+ NAL_END_SEQUENCE,
+ NAL_END_STREAM,
+ NAL_FILLER_DATA,
+ NAL_SPS_EXT,
+ NAL_AUXILIARY_SLICE=19
+};
+
+/**
+ * pic_struct in picture timing SEI message
+ */
+typedef enum {
+ SEI_PIC_STRUCT_FRAME = 0, ///< 0: %frame
+ SEI_PIC_STRUCT_TOP_FIELD = 1, ///< 1: top field
+ SEI_PIC_STRUCT_BOTTOM_FIELD = 2, ///< 2: bottom field
+ SEI_PIC_STRUCT_TOP_BOTTOM = 3, ///< 3: top field, bottom field, in that order
+ SEI_PIC_STRUCT_BOTTOM_TOP = 4, ///< 4: bottom field, top field, in that order
+ SEI_PIC_STRUCT_TOP_BOTTOM_TOP = 5, ///< 5: top field, bottom field, top field repeated, in that order
+ SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM = 6, ///< 6: bottom field, top field, bottom field repeated, in that order
+ SEI_PIC_STRUCT_FRAME_DOUBLING = 7, ///< 7: %frame doubling
+ SEI_PIC_STRUCT_FRAME_TRIPLING = 8 ///< 8: %frame tripling
+} SEI_PicStructType;
/**
* Sequence parameter set
int profile_idc;
int level_idc;
+ int chroma_format_idc;
int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag
int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4
int poc_type; ///< pic_order_cnt_type
int mb_aff; ///<mb_adaptive_frame_field_flag
int direct_8x8_inference_flag;
int crop; ///< frame_cropping_flag
- int crop_left; ///< frame_cropping_rect_left_offset
- int crop_right; ///< frame_cropping_rect_right_offset
- int crop_top; ///< frame_cropping_rect_top_offset
- int crop_bottom; ///< frame_cropping_rect_bottom_offset
+ unsigned int crop_left; ///< frame_cropping_rect_left_offset
+ unsigned int crop_right; ///< frame_cropping_rect_right_offset
+ unsigned int crop_top; ///< frame_cropping_rect_top_offset
+ unsigned int crop_bottom; ///< frame_cropping_rect_bottom_offset
int vui_parameters_present_flag;
AVRational sar;
int timing_info_present_flag;
int scaling_matrix_present;
uint8_t scaling_matrix4[6][16];
uint8_t scaling_matrix8[2][64];
+ int nal_hrd_parameters_present_flag;
+ int vcl_hrd_parameters_present_flag;
+ int pic_struct_present_flag;
+ int time_offset_length;
+ int cpb_removal_delay_length; ///< cpb_removal_delay_length_minus1 + 1
+ int dpb_output_delay_length; ///< dpb_output_delay_length_minus1 + 1
}SPS;
/**
int transform_8x8_mode; ///< transform_8x8_mode_flag
uint8_t scaling_matrix4[6][16];
uint8_t scaling_matrix8[2][64];
- uint8_t chroma_qp_table[2][256]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
+ uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
int chroma_qp_diff;
}PPS;
int dequant_coeff_pps; ///< reinit tables when pps changes
int slice_num;
- uint8_t *slice_table_base;
- uint8_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
+ uint16_t *slice_table_base;
+ uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
int slice_type;
+ int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P)
int slice_type_fixed;
//interlacing specific flags
int mb_field_decoding_flag;
int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
- unsigned int sub_mb_type[4];
+ uint16_t sub_mb_type[4];
//POC stuff
int poc_lsb;
int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
/**
- * frame_num for frames or 2*frame_num for field pics.
+ * frame_num for frames or 2*frame_num+1 for field pics.
*/
int curr_pic_num;
int direct_spatial_mv_pred;
int dist_scale_factor[16];
- int dist_scale_factor_field[32];
- int map_col_to_list0[2][16];
- int map_col_to_list0_field[2][32];
+ int dist_scale_factor_field[2][32];
+ int map_col_to_list0[2][16+32];
+ int map_col_to_list0_field[2][2][16+32];
/**
* num_ref_idx_l0/1_active_minus1 + 1
Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
Reordered version of default_ref_list
according to picture reordering in slice header */
- Picture *delayed_pic[18]; //FIXME size?
- Picture *delayed_output_pic;
+ int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1
+ Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size?
+ int outputed_poc;
/**
* memory management control operations buffer.
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;
- DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
- DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
+ DECLARE_ALIGNED_16(DCTELEM, mb[16*24]);
+ DCTELEM mb_padding[256]; ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not too large or ensure that there is some unused stuff after mb
/**
* Cabac
int last_slice_type;
/** @} */
+ int mb_xy;
+
+ uint32_t svq3_watermark_key;
+
+ /**
+ * pic_struct in picture timing SEI message
+ */
+ SEI_PicStructType sei_pic_struct;
+
+ int is_complex;
}H264Context;
-#endif /* H264_H */
+#endif /* AVCODEC_H264_H */
projects / ffmpeg / blobdiff