mpegvideo: remove some unused variables from MpegEncContext.

libavcodec/arm/asm-offsets.h

@@ -29,11 +29,11 @@
 #endif
 
 /* MpegEncContext */
-#define Y_DC_SCALE               0xac
-#define C_DC_SCALE               0xb0
-#define AC_PRED                  0xb4
-#define BLOCK_LAST_INDEX         0xb8
-#define H263_AIC                 0xe8
-#define INTER_SCANTAB_RASTER_END 0x130
+#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
 
 #endif /* AVCODEC_ARM_ASM_OFFSETS_H */

libavcodec/h264.c

@@ -1033,7 +1033,6 @@ static av_cold void common_init(H264Context *h){
 
     h->dequant_coeff_pps= -1;
     s->unrestricted_mv=1;
-    s->decode=1; //FIXME
 
     dsputil_init(&s->dsp, s->avctx); // needed so that idct permutation is known early
 

libavcodec/mpeg4videoenc.c

@@ -1203,7 +1203,6 @@ static av_cold int encode_init(AVCodecContext *avctx)
     s->inter_ac_vlc_length     = uni_mpeg4_inter_rl_len;
     s->inter_ac_vlc_last_length= uni_mpeg4_inter_rl_len + 128*64;
     s->luma_dc_vlc_length= uni_DCtab_lum_len;
-    s->chroma_dc_vlc_length= uni_DCtab_chrom_len;
     s->ac_esc_length= 7+2+1+6+1+12+1;
     s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table;
     s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table;

libavcodec/mpegvideo.h

@@ -234,7 +234,6 @@ typedef struct MpegEncContext {
     int coded_picture_number;  ///< used to set pic->coded_picture_number, should not be used for/by anything else
     int picture_number;       //FIXME remove, unclear definition
     int picture_in_gop_number; ///< 0-> first pic in gop, ...
-    int b_frames_since_non_b;  ///< used for encoding, relative to not yet reordered input
     int mb_width, mb_height;   ///< number of MBs horizontally & vertically
     int mb_stride;             ///< mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11
     int b8_stride;             ///< 2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
@@ -303,7 +302,6 @@ typedef struct MpegEncContext {
     int last_dc[3];                ///< last DC values for MPEG1
     int16_t *dc_val_base;
     int16_t *dc_val[3];            ///< used for mpeg4 DC prediction, all 3 arrays must be continuous
-    int16_t dc_cache[4*5];
     const uint8_t *y_dc_scale_table;     ///< qscale -> y_dc_scale table
     const uint8_t *c_dc_scale_table;     ///< qscale -> c_dc_scale table
     const uint8_t *chroma_qscale_table;  ///< qscale -> chroma_qscale (h263)
@@ -343,7 +341,6 @@ typedef struct MpegEncContext {
     /* motion compensation */
     int unrestricted_mv;        ///< mv can point outside of the coded picture
     int h263_long_vectors;      ///< use horrible h263v1 long vector mode
-    int decode;                 ///< if 0 then decoding will be skipped (for encoding b frames for example)
 
     DSPContext dsp;             ///< pointers for accelerated dsp functions
     int f_code;                 ///< forward MV resolution
@@ -438,7 +435,6 @@ typedef struct MpegEncContext {
     uint8_t *inter_ac_vlc_length;
     uint8_t *inter_ac_vlc_last_length;
     uint8_t *luma_dc_vlc_length;
-    uint8_t *chroma_dc_vlc_length;
 #define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
 
     int coded_score[8];
@@ -458,7 +454,6 @@ typedef struct MpegEncContext {
     void *opaque;              ///< private data for the user
 
     /* bit rate control */
-    int64_t wanted_bits;
     int64_t total_bits;
     int frame_bits;                ///< bits used for the current frame
     int next_lambda;               ///< next lambda used for retrying to encode a frame