#include "cabac.h"
#include "error_resilience.h"
#include "h264_parse.h"
+#include "h264_ps.h"
#include "h264_sei.h"
#include "h2645_parse.h"
#include "h264chroma.h"
#define H264_MAX_PICTURE_COUNT 32
-#define MAX_SPS_COUNT 32
-#define MAX_PPS_COUNT 256
-
#define MAX_MMCO_COUNT 66
#define MAX_DELAYED_PIC_COUNT 16
#define CHROMA422(h) (h->ps.sps->chroma_format_idc == 2)
#define CHROMA444(h) (h->ps.sps->chroma_format_idc == 3)
-#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)
-#define QP_MAX_NUM (51 + 2 * 6) // The maximum supported qp
-
-/* NAL unit types */
-enum {
- NAL_SLICE = 1,
- NAL_DPA = 2,
- NAL_DPB = 3,
- NAL_DPC = 4,
- NAL_IDR_SLICE = 5,
- NAL_SEI = 6,
- NAL_SPS = 7,
- NAL_PPS = 8,
- NAL_AUD = 9,
- NAL_END_SEQUENCE = 10,
- NAL_END_STREAM = 11,
- NAL_FILLER_DATA = 12,
- NAL_SPS_EXT = 13,
- NAL_AUXILIARY_SLICE = 19,
-};
-
-/**
- * Sequence parameter set
- */
-typedef struct SPS {
- unsigned int sps_id;
- 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 log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4
- int delta_pic_order_always_zero_flag;
- int offset_for_non_ref_pic;
- int offset_for_top_to_bottom_field;
- int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle
- int ref_frame_count; ///< num_ref_frames
- int gaps_in_frame_num_allowed_flag;
- int mb_width; ///< pic_width_in_mbs_minus1 + 1
- int mb_height; ///< pic_height_in_map_units_minus1 + 1
- int frame_mbs_only_flag;
- int mb_aff; ///< mb_adaptive_frame_field_flag
- int direct_8x8_inference_flag;
- int crop; ///< frame_cropping_flag
-
- /* those 4 are already in luma samples */
- 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 video_signal_type_present_flag;
- int full_range;
- int colour_description_present_flag;
- enum AVColorPrimaries color_primaries;
- enum AVColorTransferCharacteristic color_trc;
- enum AVColorSpace colorspace;
- int timing_info_present_flag;
- uint32_t num_units_in_tick;
- uint32_t time_scale;
- int fixed_frame_rate_flag;
- short offset_for_ref_frame[256]; // FIXME dyn aloc?
- int bitstream_restriction_flag;
- int num_reorder_frames;
- int scaling_matrix_present;
- uint8_t scaling_matrix4[6][16];
- uint8_t scaling_matrix8[6][64];
- int nal_hrd_parameters_present_flag;
- int vcl_hrd_parameters_present_flag;
- int pic_struct_present_flag;
- int time_offset_length;
- int cpb_cnt; ///< See H.264 E.1.2
- 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
- int bit_depth_luma; ///< bit_depth_luma_minus8 + 8
- int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8
- int residual_color_transform_flag; ///< residual_colour_transform_flag
- int constraint_set_flags; ///< constraint_set[0-3]_flag
-} SPS;
-
-/**
- * Picture parameter set
- */
-typedef struct PPS {
- unsigned int sps_id;
- int cabac; ///< entropy_coding_mode_flag
- int pic_order_present; ///< pic_order_present_flag
- int slice_group_count; ///< num_slice_groups_minus1 + 1
- int mb_slice_group_map_type;
- unsigned int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1
- int weighted_pred; ///< weighted_pred_flag
- int weighted_bipred_idc;
- int init_qp; ///< pic_init_qp_minus26 + 26
- int init_qs; ///< pic_init_qs_minus26 + 26
- int chroma_qp_index_offset[2];
- int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
- int constrained_intra_pred; ///< constrained_intra_pred_flag
- int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
- int transform_8x8_mode; ///< transform_8x8_mode_flag
- uint8_t scaling_matrix4[6][16];
- uint8_t scaling_matrix8[6][64];
- uint8_t chroma_qp_table[2][64]; ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
- int chroma_qp_diff;
-
- uint32_t dequant4_buffer[6][QP_MAX_NUM + 1][16];
- uint32_t dequant8_buffer[6][QP_MAX_NUM + 1][64];
- uint32_t(*dequant4_coeff[6])[16];
- uint32_t(*dequant8_coeff[6])[64];
-} PPS;
-
-typedef struct H264ParamSets {
- AVBufferRef *sps_list[MAX_SPS_COUNT];
- AVBufferRef *pps_list[MAX_PPS_COUNT];
-
- /* currently active parameters sets */
- const PPS *pps;
- // FIXME this should properly be const
- SPS *sps;
-} H264ParamSets;
-
/**
* Memory management control operation opcode.
*/
H264SliceContext *slice_ctx;
int nb_slice_ctx;
+ int nb_slice_ctx_queued;
H2645Packet pkt;
*/
int postpone_filter;
+ /*
+ * Set to 1 when the current picture is IDR, 0 otherwise.
+ */
+ int picture_idr;
+
+ int crop_left;
+ int crop_right;
+ int crop_top;
+ int crop_bottom;
+
int8_t(*intra4x4_pred_mode);
H264PredContext hpc;
H264Picture *long_ref[32];
H264Picture *delayed_pic[MAX_DELAYED_PIC_COUNT + 2]; // FIXME size?
int last_pocs[MAX_DELAYED_PIC_COUNT];
- H264Picture *next_output_pic;
int next_outputed_poc;
/**
* slices) anymore */
int setup_finished;
+ /* This is set to 1 if h264_field_start() has been called successfully,
+ * so all per-field state is properly initialized and we can decode
+ * the slice data */
+ int field_started;
+
+ /* original AVCodecContext dimensions, used to handle container
+ * cropping */
+ int width_from_caller;
+ int height_from_caller;
+
+ AVFrame *output_frame;
+
int enable_er;
H264SEIContext sei;
extern const uint16_t ff_h264_mb_sizes[4];
-/**
- * Decode SPS
- */
-int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
- H264ParamSets *ps);
-
-/**
- * Decode PPS
- */
-int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
- H264ParamSets *ps, int bit_length);
-
/**
* Reconstruct bitstream slice_type.
*/
*/
int ff_h264_alloc_tables(H264Context *h);
-int ff_h264_decode_ref_pic_list_reordering(const H264Context *h, H264SliceContext *sl);
+int ff_h264_decode_ref_pic_list_reordering(H264SliceContext *sl, void *logctx);
int ff_h264_build_ref_list(const H264Context *h, H264SliceContext *sl);
void ff_h264_remove_all_refs(H264Context *h);
*/
int ff_h264_execute_ref_pic_marking(H264Context *h);
-int ff_h264_decode_ref_pic_marking(const H264Context *h, H264SliceContext *sl,
- GetBitContext *gb);
+int ff_h264_decode_ref_pic_marking(H264SliceContext *sl, GetBitContext *gb,
+ const H2645NAL *nal, void *logctx);
void ff_h264_hl_decode_mb(const H264Context *h, H264SliceContext *sl);
-int ff_h264_decode_init(AVCodecContext *avctx);
void ff_h264_decode_init_vlc(void);
/**
void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, int y, int height);
-int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl,
- const H2645NAL *nal);
-int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count);
+/**
+ * Submit a slice for decoding.
+ *
+ * Parse the slice header, starting a new field/frame if necessary. If any
+ * slices are queued for the previous field, they are decoded.
+ */
+int ff_h264_queue_decode_slice(H264Context *h, const H2645NAL *nal);
+int ff_h264_execute_decode_slices(H264Context *h);
int ff_h264_update_thread_context(AVCodecContext *dst,
const AVCodecContext *src);
projects / ffmpeg / blobdiff