FFmpeg
2.6.9
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H.264 / AVC / MPEG4 part10 codec. More...
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/timer.h"
#include "internal.h"
#include "cabac.h"
#include "cabac_functions.h"
#include "error_resilience.h"
#include "avcodec.h"
#include "h264.h"
#include "h264data.h"
#include "h264chroma.h"
#include "h264_mvpred.h"
#include "golomb.h"
#include "mathops.h"
#include "mpegutils.h"
#include "rectangle.h"
#include "thread.h"
Go to the source code of this file.
Macros | |
#define | IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size)))) |
#define | REBASE_PICTURE(pic, new_ctx, old_ctx) |
#define | copy_fields(to, from, start_field, end_field) |
#define | TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF) |
#define | TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3) |
#define | HWACCEL_MAX |
Variables | |
static const uint8_t | rem6 [QP_MAX_NUM+1] |
static const uint8_t | div6 [QP_MAX_NUM+1] |
static const uint8_t | field_scan [16+1] |
static const uint8_t | field_scan8x8 [64+1] |
static const uint8_t | field_scan8x8_cavlc [64+1] |
static const uint8_t | zigzag_scan8x8_cavlc [64+1] |
static const uint8_t | dequant4_coeff_init [6][3] |
static const uint8_t | dequant8_coeff_init_scan [16] |
static const uint8_t | dequant8_coeff_init [6][6] |
H.264 / AVC / MPEG4 part10 codec.
Definition in file h264_slice.c.
Definition at line 409 of file h264_slice.c.
Referenced by copy_picture_range().
#define REBASE_PICTURE | ( | pic, | |
new_ctx, | |||
old_ctx | |||
) |
Definition at line 411 of file h264_slice.c.
Referenced by copy_picture_range(), and ff_h264_update_thread_context().
#define TRANSPOSE | ( | x | ) | ((x) >> 2) | (((x) << 2) & 0xF) |
Referenced by avfilter_register_all(), and init_scan_tables().
#define TRANSPOSE | ( | x | ) | ((x) >> 3) | (((x) & 7) << 3) |
#define HWACCEL_MAX |
Referenced by get_pixel_format().
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Definition at line 151 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header(), and h264_frame_start().
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Definition at line 164 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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Definition at line 185 of file h264_slice.c.
Referenced by alloc_picture().
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Definition at line 212 of file h264_slice.c.
Referenced by h264_frame_start().
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inlinestatic |
Definition at line 283 of file h264_slice.c.
Referenced by find_unused_picture().
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Definition at line 292 of file h264_slice.c.
Referenced by h264_frame_start().
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Definition at line 312 of file h264_slice.c.
Referenced by ff_h264_init_dequant_tables().
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Definition at line 339 of file h264_slice.c.
Referenced by ff_h264_init_dequant_tables().
void ff_h264_init_dequant_tables | ( | H264Context * | h | ) |
Definition at line 365 of file h264_slice.c.
Referenced by ff_h264_alloc_tables(), and ff_h264_decode_slice_header().
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Mimic alloc_tables(), but for every context thread.
Definition at line 387 of file h264_slice.c.
Referenced by h264_slice_header_init().
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Definition at line 416 of file h264_slice.c.
Referenced by ff_h264_update_thread_context().
Definition at line 431 of file h264_slice.c.
Referenced by ff_h264_update_thread_context().
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Definition at line 1155 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header(), and ff_h264_update_thread_context().
int ff_h264_update_thread_context | ( | AVCodecContext * | dst, |
const AVCodecContext * | src | ||
) |
Definition at line 457 of file h264_slice.c.
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Definition at line 688 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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Definition at line 779 of file h264_slice.c.
Referenced by loop_filter().
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Initialize implicit_weight table.
field | 0/1 initialize the weight for interlaced MBAFF -1 initializes the rest |
Definition at line 880 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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initialize scan tables
Definition at line 944 of file h264_slice.c.
Referenced by h264_slice_header_init().
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Replicate H264 "master" context to thread contexts.
Definition at line 981 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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Definition at line 1006 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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Definition at line 1113 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
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Definition at line 1260 of file h264_slice.c.
Referenced by ff_h264_decode_slice_header().
int ff_h264_decode_slice_header | ( | H264Context * | h, |
H264Context * | h0 | ||
) |
Decode a slice header.
This will (re)intialize the decoder and call h264_frame_start() as needed.
h | h264context |
h0 | h264 master context (differs from 'h' when doing sliced based parallel decoding) |
Definition at line 1281 of file h264_slice.c.
Referenced by decode_nal_units().
int ff_h264_get_slice_type | ( | const H264Context * | h | ) |
Reconstruct bitstream slice_type.
Definition at line 2031 of file h264_slice.c.
Referenced by fill_slice_long(), and vaapi_h264_decode_slice().
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Definition at line 2049 of file h264_slice.c.
Referenced by fill_filter_caches().
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Definition at line 2133 of file h264_slice.c.
Referenced by loop_filter().
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Definition at line 2278 of file h264_slice.c.
Referenced by decode_slice(), and xmv_read_extradata().
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Definition at line 2347 of file h264_slice.c.
Referenced by decode_slice().
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Draw edges and report progress for the last MB row.
Definition at line 2360 of file h264_slice.c.
Referenced by decode_slice().
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Definition at line 2391 of file h264_slice.c.
Referenced by decode_slice().
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Definition at line 2401 of file h264_slice.c.
Referenced by ff_h264_execute_decode_slices().
int ff_h264_execute_decode_slices | ( | H264Context * | h, |
unsigned | context_count | ||
) |
Call decode_slice() for each context.
h | h264 master context |
context_count | number of contexts to execute |
Definition at line 2602 of file h264_slice.c.
Referenced by decode_nal_units().
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Definition at line 47 of file h264_slice.c.
Referenced by ff_hevc_hls_residual_coding(), init_dequant4_coeff_table(), and init_dequant8_coeff_table().
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Definition at line 55 of file h264_slice.c.
Referenced by ff_hevc_hls_residual_coding(), init_dequant4_coeff_table(), and init_dequant8_coeff_table().
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Definition at line 63 of file h264_slice.c.
Referenced by init_scan_tables().
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Definition at line 70 of file h264_slice.c.
Referenced by init_scan_tables().
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Definition at line 89 of file h264_slice.c.
Referenced by init_scan_tables().
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Definition at line 109 of file h264_slice.c.
Referenced by init_scan_tables().
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Definition at line 128 of file h264_slice.c.
Referenced by init_dequant4_coeff_table().
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Definition at line 137 of file h264_slice.c.
Referenced by init_dequant8_coeff_table().
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Definition at line 141 of file h264_slice.c.
Referenced by init_dequant8_coeff_table().