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Fix warnings and simplify/reorder the code 

Originally committed as revision 7726 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato 2007-01-27 12:35:12 +00:00
parent de3ae9596b
commit 994fd8500d
1 changed files with 11 additions and 20 deletions
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31
libavcodec/mpegvideo.c
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@ -2260,15 +2260,6 @@ static int estimate_best_b_count(MpegEncContext *s){
int csize= (c->width/2)*(c->height/2);
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
if(pre_input_ptr)
pre_input= *pre_input_ptr;
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i){
pre_input.data[0]+=INPLACE_OFFSET;
pre_input.data[1]+=INPLACE_OFFSET;
pre_input.data[2]+=INPLACE_OFFSET;
}
avcodec_get_frame_defaults(&input[i]);
input[i].data[0]= av_malloc(ysize + 2*csize);
input[i].data[1]= input[i].data[0] + ysize;
@ -2277,7 +2268,15 @@ static int estimate_best_b_count(MpegEncContext *s){
input[i].linesize[1]=
input[i].linesize[2]= c->width/2;
if(!i || s->input_picture[i-1]){
if(pre_input_ptr && (!i || s->input_picture[i-1])) {
pre_input= *pre_input_ptr;
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
pre_input.data[0]+=INPLACE_OFFSET;
pre_input.data[1]+=INPLACE_OFFSET;
pre_input.data[2]+=INPLACE_OFFSET;
}
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1);
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.linesize[2], c->width>>1, c->height>>1);
@ -5358,7 +5357,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
MPV_decode_mb(s, s->block);
} else {
int motion_x, motion_y;
int motion_x = 0, motion_y = 0;
s->mv_type=MV_TYPE_16X16;
// only one MB-Type possible
@ -5384,7 +5383,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
}
motion_x = motion_y = 0;
break;
case CANDIDATE_MB_TYPE_INTER4V:
s->mv_dir = MV_DIR_FORWARD;
@ -5394,7 +5392,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
}
motion_x= motion_y= 0;
break;
case CANDIDATE_MB_TYPE_DIRECT:
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
@ -5411,8 +5408,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
case CANDIDATE_MB_TYPE_BIDIR:
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
s->mb_intra= 0;
motion_x=0;
motion_y=0;
s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
@ -5440,7 +5435,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
}
motion_x=motion_y=0;
break;
case CANDIDATE_MB_TYPE_BACKWARD_I:
s->mv_dir = MV_DIR_BACKWARD;
@ -5451,7 +5445,6 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
}
motion_x=motion_y=0;
break;
case CANDIDATE_MB_TYPE_BIDIR_I:
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
@ -5464,10 +5457,8 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
}
}
motion_x=motion_y=0;
break;
default:
motion_x=motion_y=0; //gcc warning fix
av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
}
@ -6170,7 +6161,7 @@ static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
uint8_t * length;
uint8_t * last_length;
int lambda;
int rle_index, run, q, sum;
int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
#ifdef REFINE_STATS
static int count=0;
static int after_last=0;