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

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
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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