openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-23 19:30:05 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

mpegvideo: move the MpegEncContext fields used from arm asm to the beginning

Browse Source 
This should reduce the frequency with which the offsets need to be
updated.
This commit is contained in:
Anton Khirnov 2013-12-05 21:14:40 +01:00
parent 5a70a783f0
commit 6a13505c06
2 changed files with 21 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
libavcodec/arm/asm-offsets.h
View File

@ -22,11 +22,11 @@
#define AVCODEC_ARM_ASM_OFFSETS_H
/* MpegEncContext */
#define Y_DC_SCALE 0xa8
#define C_DC_SCALE 0xac
#define AC_PRED 0xb0
#define BLOCK_LAST_INDEX 0xb4
#define H263_AIC 0xe4
#define INTER_SCANTAB_RASTER_END 0x12c
#define Y_DC_SCALE 0x04
#define C_DC_SCALE 0x08
#define AC_PRED 0x0c
#define BLOCK_LAST_INDEX 0x10
#define H263_AIC 0x40
#define INTER_SCANTAB_RASTER_END 0x88
#endif /* AVCODEC_ARM_ASM_OFFSETS_H */

29
libavcodec/mpegvideo.h
View File

@ -197,6 +197,21 @@ typedef struct MotionEstContext{
*/
typedef struct MpegEncContext {
AVClass *class;
int y_dc_scale, c_dc_scale;
int ac_pred;
int block_last_index[12]; ///< last non zero coefficient in block
int h263_aic; ///< Advanded INTRA Coding (AIC)
/* scantables */
ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
ScanTable intra_scantable;
ScanTable intra_h_scantable;
ScanTable intra_v_scantable;
/* WARNING: changes above this line require updates to hardcoded
* offsets used in asm. */
struct AVCodecContext *avctx;
/* the following parameters must be initialized before encoding */
int width, height;///< picture size. must be a multiple of 16
@ -243,20 +258,6 @@ typedef struct MpegEncContext {
Picture **input_picture; ///< next pictures on display order for encoding
Picture **reordered_input_picture; ///< pointer to the next pictures in codedorder for encoding
int y_dc_scale, c_dc_scale;
int ac_pred;
int block_last_index[12]; ///< last non zero coefficient in block
int h263_aic; ///< Advanded INTRA Coding (AIC)
/* scantables */
ScanTable inter_scantable; ///< if inter == intra then intra should be used to reduce tha cache usage
ScanTable intra_scantable;
ScanTable intra_h_scantable;
ScanTable intra_v_scantable;
/* WARNING: changes above this line require updates to hardcoded
* offsets used in asm. */
int64_t user_specified_pts; ///< last non-zero pts from AVFrame which was passed into avcodec_encode_video2()
/**
* pts difference between the first and second input frame, used for