#ifndef AVCODEC_H264_H
#define AVCODEC_H264_H
+#include "libavutil/buffer.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/thread.h"
#include "cabac.h"
#include "error_resilience.h"
#include "get_bits.h"
#include "h264_parse.h"
+#include "h264_sei.h"
#include "h2645_parse.h"
#include "h264chroma.h"
#include "h264dsp.h"
#define FIELD_OR_MBAFF_PICTURE(h) (FRAME_MBAFF(h) || FIELD_PICTURE(h))
#ifndef CABAC
-#define CABAC(h) (h)->pps.cabac
+#define CABAC(h) (h)->ps.pps->cabac
#endif
-#define CHROMA(h) ((h)->sps.chroma_format_idc)
-#define CHROMA422(h) ((h)->sps.chroma_format_idc == 2)
-#define CHROMA444(h) ((h)->sps.chroma_format_idc == 3)
+#define CHROMA(h) ((h)->ps.sps->chroma_format_idc)
+#define CHROMA422(h) ((h)->ps.sps->chroma_format_idc == 2)
+#define CHROMA444(h) ((h)->ps.sps->chroma_format_idc == 3)
#define EXTENDED_SAR 255
NAL_FF_IGNORE = 0xff0f001,
};
-/**
- * SEI message types
- */
-typedef enum {
- SEI_TYPE_BUFFERING_PERIOD = 0, ///< buffering period (H.264, D.1.1)
- SEI_TYPE_PIC_TIMING = 1, ///< picture timing
- SEI_TYPE_USER_DATA_REGISTERED = 4, ///< registered user data as specified by Rec. ITU-T T.35
- SEI_TYPE_USER_DATA_UNREGISTERED = 5, ///< unregistered user data
- SEI_TYPE_RECOVERY_POINT = 6, ///< recovery point (frame # to decoder sync)
- SEI_TYPE_FRAME_PACKING = 45, ///< frame packing arrangement
- SEI_TYPE_DISPLAY_ORIENTATION = 47, ///< display orientation
- SEI_TYPE_GREEN_METADATA = 56 ///< GreenMPEG information
-} SEI_Type;
-
-/**
- * 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;
-
-/**
- * frame_packing_arrangement types
- */
-typedef enum {
- SEI_FPA_TYPE_CHECKERBOARD = 0,
- SEI_FPA_TYPE_INTERLEAVE_COLUMN = 1,
- SEI_FPA_TYPE_INTERLEAVE_ROW = 2,
- SEI_FPA_TYPE_SIDE_BY_SIDE = 3,
- SEI_FPA_TYPE_TOP_BOTTOM = 4,
- SEI_FPA_TYPE_INTERLEAVE_TEMPORAL = 5,
- SEI_FPA_TYPE_2D = 6,
-} SEI_FpaType;
-
/**
* Sequence parameter set
*/
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
- int new; ///< flag to keep track if the decoder context needs re-init due to changed SPS
uint8_t data[4096];
size_t data_size;
} SPS;
int chroma_qp_diff;
uint8_t data[4096];
size_t data_size;
+
+ 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;
-/**
- * Frame Packing Arrangement Type
- */
-typedef struct FPA {
- int frame_packing_arrangement_id;
- int frame_packing_arrangement_cancel_flag; ///< is previous arrangement canceled, -1 if never received
- SEI_FpaType frame_packing_arrangement_type;
- int frame_packing_arrangement_repetition_period;
- int content_interpretation_type;
- int quincunx_sampling_flag;
-} FPA;
+typedef struct H264ParamSets {
+ AVBufferRef *sps_list[MAX_SPS_COUNT];
+ AVBufferRef *pps_list[MAX_PPS_COUNT];
-/**
- * Green MetaData Information Type
- */
-typedef struct GreenMetaData {
- uint8_t green_metadata_type;
- uint8_t period_type;
- uint16_t num_seconds;
- uint16_t num_pictures;
- uint8_t percent_non_zero_macroblocks;
- uint8_t percent_intra_coded_macroblocks;
- uint8_t percent_six_tap_filtering;
- uint8_t percent_alpha_point_deblocking_instance;
- uint8_t xsd_metric_type;
- uint16_t xsd_metric_value;
-} GreenMetaData;
+ AVBufferRef *pps_ref;
+ AVBufferRef *sps_ref;
+ /* currently active parameters sets */
+ const PPS *pps;
+ // FIXME this should properly be const
+ SPS *sps;
+} H264ParamSets;
/**
* Memory management control operation opcode.
unsigned current_sps_id; ///< id of the current SPS
- SPS sps; ///< current sps
- PPS pps; ///< current pps
int au_pps_id; ///< pps_id of current access unit
- uint32_t dequant4_buffer[6][QP_MAX_NUM + 1][16]; // FIXME should these be moved down?
- uint32_t dequant8_buffer[6][QP_MAX_NUM + 1][64];
- uint32_t(*dequant4_coeff[6])[16];
- uint32_t(*dequant8_coeff[6])[64];
-
uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
// interlacing specific flags
uint8_t field_scan8x8_q0[64];
uint8_t field_scan8x8_cavlc_q0[64];
- int x264_build;
-
int mb_y;
int mb_height, mb_width;
int mb_stride;
int bit_depth_luma; ///< luma bit depth from sps to detect changes
int chroma_format_idc; ///< chroma format from sps to detect changes
- SPS *sps_buffers[MAX_SPS_COUNT];
- PPS *pps_buffers[MAX_PPS_COUNT];
-
- int dequant_coeff_pps; ///< reinit tables when pps changes
+ H264ParamSets ps;
uint16_t *slice_table_base;
- // POC stuff
- 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 poc;
/**
* frame_num for frames or 2 * frame_num + 1 for field pics.
/** @} */
- /**
- * pic_struct in picture timing SEI message
- */
- SEI_PicStructType sei_pic_struct;
-
/**
* Complement sei_pic_struct
* SEI_PIC_STRUCT_TOP_BOTTOM and SEI_PIC_STRUCT_BOTTOM_TOP indicate interlaced frames.
*/
int prev_interlaced_frame;
- /**
- * frame_packing_arrangment SEI message
- */
- int sei_frame_packing_present;
- int frame_packing_arrangement_type;
- int content_interpretation_type;
- int quincunx_subsampling;
-
- /**
- * display orientation SEI message
- */
- int sei_display_orientation_present;
- int sei_anticlockwise_rotation;
- int sei_hflip, sei_vflip;
-
- /**
- * User data registered by Rec. ITU-T T.35 SEI
- */
- int sei_reguserdata_afd_present;
- uint8_t active_format_description;
- int a53_caption_size;
- uint8_t *a53_caption;
-
- /**
- * Bit set of clock types for fields/frames in picture timing SEI message.
- * For each found ct_type, appropriate bit is set (e.g., bit 1 for
- * interlaced).
- */
- int sei_ct_type;
-
- /**
- * dpb_output_delay in picture timing SEI message, see H.264 C.2.2
- */
- int sei_dpb_output_delay;
-
- /**
- * cpb_removal_delay in picture timing SEI message, see H.264 C.1.2
- */
- int sei_cpb_removal_delay;
-
- /**
- * recovery_frame_cnt from SEI message
- *
- * Set to -1 if no recovery point SEI message found or to number of frames
- * before playback synchronizes. Frames having recovery point are key
- * frames.
- */
- int sei_recovery_frame_cnt;
-
/**
* Are the SEI recovery points looking valid.
*/
int valid_recovery_point;
- FPA sei_fpa;
-
/**
* recovery_frame is the frame_num at which the next frame should
* be fully constructed.
* slices) anymore */
int setup_finished;
- // Timestamp stuff
- int sei_buffering_period_present; ///< Buffering period SEI flag
- int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
-
int cur_chroma_format_idc;
int cur_bit_depth_luma;
int16_t slice_row[MAX_SLICES]; ///< to detect when MAX_SLICES is too low
- uint8_t parse_history[6];
- int parse_history_count;
- int parse_last_mb;
-
int enable_er;
+ H264SEIContext sei;
+
AVBufferPool *qscale_table_pool;
AVBufferPool *mb_type_pool;
AVBufferPool *motion_val_pool;
qpel_mc_func (*qpel_put)[16];
qpel_mc_func (*qpel_avg)[16];
- /*Green Metadata */
- GreenMetaData sei_green_metadata;
-
} H264Context;
extern const uint16_t ff_h264_mb_sizes[4];
-/**
- * Decode SEI
- */
-int ff_h264_decode_sei(H264Context *h);
-
/**
* Decode SPS
*/
-int ff_h264_decode_seq_parameter_set(H264Context *h, int ignore_truncation);
-
-/**
- * compute profile from sps
- */
-int ff_h264_get_profile(SPS *sps);
+int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
+ H264ParamSets *ps, int ignore_truncation);
/**
* Decode PPS
*/
-int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length);
-
-/**
- * Decode a network abstraction layer unit.
- * @param consumed is the number of bytes used as input
- * @param length is the length of the array
- * @param dst_length is the number of decoded bytes FIXME here
- * or a decode rbsp tailing?
- * @return decoded bytes, might be src+1 if no escapes
- */
-const uint8_t *ff_h264_decode_nal(H264Context *h, H264SliceContext *sl, const uint8_t *src,
- int *dst_length, int *consumed, int length);
+int ff_h264_decode_picture_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
+ H264ParamSets *ps, int bit_length);
/**
* Free any data that may have been allocated in the H264 context
int ff_generate_sliding_window_mmcos(H264Context *h, int first_slice);
void ff_h264_hl_decode_mb(const H264Context *h, H264SliceContext *sl);
-int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size);
int ff_h264_decode_init(AVCodecContext *avctx);
void ff_h264_decode_init_vlc(void);
void ff_h264_init_cabac_states(const H264Context *h, H264SliceContext *sl);
-void ff_h264_init_dequant_tables(H264Context *h);
-
void ff_h264_direct_dist_scale_factor(const H264Context *const h, H264SliceContext *sl);
void ff_h264_direct_ref_list_init(const H264Context *const h, H264SliceContext *sl);
void ff_h264_pred_direct_motion(const H264Context *const h, H264SliceContext *sl,
uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
unsigned int linesize, unsigned int uvlinesize);
-/**
- * Reset SEI values at the beginning of the frame.
- *
- * @param h H.264 context.
- */
-void ff_h264_reset_sei(H264Context *h);
-
-/**
- * Get stereo_mode string from the h264 frame_packing_arrangement
- * @param h H.264 context.
- */
-const char* ff_h264_sei_stereo_mode(H264Context *h);
-
/*
* o-o o-o
* / / /
*/
static av_always_inline int get_chroma_qp(const H264Context *h, int t, int qscale)
{
- return h->pps.chroma_qp_table[t][qscale];
+ return h->ps.pps->chroma_qp_table[t][qscale];
}
/**
static av_always_inline int get_dct8x8_allowed(const H264Context *h, H264SliceContext *sl)
{
- if (h->sps.direct_8x8_inference_flag)
+ if (h->ps.sps->direct_8x8_inference_flag)
return !(AV_RN64A(sl->sub_mb_type) &
((MB_TYPE_16x8 | MB_TYPE_8x16 | MB_TYPE_8x8) *
0x0001000100010001ULL));
return FFMIN(buf_index, buf_size);
}
-static inline int get_avc_nalsize(H264Context *h, const uint8_t *buf,
- int buf_size, int *buf_index)
-{
- int i, nalsize = 0;
-
- if (*buf_index >= buf_size - h->nal_length_size) {
- // the end of the buffer is reached, refill it.
- return AVERROR(EAGAIN);
- }
-
- for (i = 0; i < h->nal_length_size; i++)
- nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
- if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
- av_log(h->avctx, AV_LOG_ERROR,
- "AVC: nal size %d\n", nalsize);
- return AVERROR_INVALIDDATA;
- }
- return nalsize;
-}
-
int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup);
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src);
int ff_h264_slice_context_init(H264Context *h, H264SliceContext *sl);
void ff_h264_draw_horiz_band(const H264Context *h, H264SliceContext *sl, int y, int height);
-int ff_init_poc(H264Context *h, int pic_field_poc[2], int *pic_poc);
-int ff_set_ref_count(H264Context *h, H264SliceContext *sl);
int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl);
#define SLICE_SINGLETHREAD 1
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