aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/rv34.c
diff options
context:
space:
mode:
authorKostya Shishkov <kostya.shishkov@gmail.com>2011-08-09 11:19:55 +0200
committerDiego Biurrun <diego@biurrun.de>2011-08-09 12:06:38 +0200
commit7351eb14151602fa924ab3d5e374b7d60f32aff9 (patch)
treea001333c02cf1fab293c740e02299d945a0eac4b /libavcodec/rv34.c
parent9791c027336dcf60347881bb5c15e57920c769a4 (diff)
downloadffmpeg-7351eb14151602fa924ab3d5e374b7d60f32aff9.tar.gz
Pretty-print RV3/4 decoder source
Signed-off-by: Diego Biurrun <diego@biurrun.de>
Diffstat (limited to 'libavcodec/rv34.c')
-rw-r--r--libavcodec/rv34.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/libavcodec/rv34.c b/libavcodec/rv34.c
index 1aec571ad3..f9773cdc45 100644
--- a/libavcodec/rv34.c
+++ b/libavcodec/rv34.c
@@ -181,16 +181,16 @@ static av_always_inline void rv34_row_transform(int temp[16], DCTELEM *block)
{
int i;
- for(i=0; i<4; i++){
- const int z0= 13*(block[i+8*0] + block[i+8*2]);
- const int z1= 13*(block[i+8*0] - block[i+8*2]);
- const int z2= 7* block[i+8*1] - 17*block[i+8*3];
- const int z3= 17* block[i+8*1] + 7*block[i+8*3];
-
- temp[4*i+0]= z0+z3;
- temp[4*i+1]= z1+z2;
- temp[4*i+2]= z1-z2;
- temp[4*i+3]= z0-z3;
+ for(i = 0; i < 4; i++){
+ const int z0 = 13*(block[i+8*0] + block[i+8*2]);
+ const int z1 = 13*(block[i+8*0] - block[i+8*2]);
+ const int z2 = 7* block[i+8*1] - 17*block[i+8*3];
+ const int z3 = 17* block[i+8*1] + 7*block[i+8*3];
+
+ temp[4*i+0] = z0 + z3;
+ temp[4*i+1] = z1 + z2;
+ temp[4*i+2] = z1 - z2;
+ temp[4*i+3] = z0 - z3;
}
}
@@ -204,16 +204,16 @@ static void rv34_inv_transform(DCTELEM *block){
rv34_row_transform(temp, block);
- for(i=0; i<4; i++){
- const int z0= 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
- const int z1= 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
- const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
- const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
-
- block[i*8+0]= (z0 + z3)>>10;
- block[i*8+1]= (z1 + z2)>>10;
- block[i*8+2]= (z1 - z2)>>10;
- block[i*8+3]= (z0 - z3)>>10;
+ for(i = 0; i < 4; i++){
+ const int z0 = 13*(temp[4*0+i] + temp[4*2+i]) + 0x200;
+ const int z1 = 13*(temp[4*0+i] - temp[4*2+i]) + 0x200;
+ const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
+ const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
+
+ block[i*8+0] = (z0 + z3) >> 10;
+ block[i*8+1] = (z1 + z2) >> 10;
+ block[i*8+2] = (z1 - z2) >> 10;
+ block[i*8+3] = (z0 - z3) >> 10;
}
}
@@ -230,16 +230,16 @@ static void rv34_inv_transform_noround(DCTELEM *block){
rv34_row_transform(temp, block);
- for(i=0; i<4; i++){
- const int z0= 13*(temp[4*0+i] + temp[4*2+i]);
- const int z1= 13*(temp[4*0+i] - temp[4*2+i]);
- const int z2= 7* temp[4*1+i] - 17*temp[4*3+i];
- const int z3= 17* temp[4*1+i] + 7*temp[4*3+i];
-
- block[i*8+0]= ((z0 + z3)*3)>>11;
- block[i*8+1]= ((z1 + z2)*3)>>11;
- block[i*8+2]= ((z1 - z2)*3)>>11;
- block[i*8+3]= ((z0 - z3)*3)>>11;
+ for(i = 0; i < 4; i++){
+ const int z0 = 13*(temp[4*0+i] + temp[4*2+i]);
+ const int z1 = 13*(temp[4*0+i] - temp[4*2+i]);
+ const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
+ const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
+
+ block[i*8+0] = ((z0 + z3) * 3) >> 11;
+ block[i*8+1] = ((z1 + z2) * 3) >> 11;
+ block[i*8+2] = ((z1 - z2) * 3) >> 11;
+ block[i*8+3] = ((z0 - z3) * 3) >> 11;
}
}
@@ -772,7 +772,7 @@ static inline void rv34_mc(RV34DecContext *r, const int block_type,
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
if( (unsigned)(src_x - !!lx*2) > s->h_edge_pos - !!lx*2 - (width <<3) - 4
|| (unsigned)(src_y - !!ly*2) > s->v_edge_pos - !!ly*2 - (height<<3) - 4){
- uint8_t *uvbuf= s->edge_emu_buffer + 22 * s->linesize;
+ uint8_t *uvbuf = s->edge_emu_buffer + 22 * s->linesize;
srcY -= 2 + 2*s->linesize;
s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, (width<<3)+6, (height<<3)+6,
@@ -1301,8 +1301,8 @@ static int rv34_decode_slice(RV34DecContext *r, int end, const uint8_t* buf, int
}
memset(r->intra_types_hist, -1, r->intra_types_stride * 4 * 2 * sizeof(*r->intra_types_hist));
s->first_slice_line = 1;
- s->resync_mb_x= s->mb_x;
- s->resync_mb_y= s->mb_y;
+ s->resync_mb_x = s->mb_x;
+ s->resync_mb_y = s->mb_y;
ff_init_block_index(s);
while(!check_slice_end(r, s)) {
@@ -1344,11 +1344,11 @@ av_cold int ff_rv34_decode_init(AVCodecContext *avctx)
MpegEncContext *s = &r->s;
MPV_decode_defaults(s);
- s->avctx= avctx;
+ s->avctx = avctx;
s->out_format = FMT_H263;
- s->codec_id= avctx->codec_id;
+ s->codec_id = avctx->codec_id;
- s->width = avctx->width;
+ s->width = avctx->width;
s->height = avctx->height;
r->s.avctx = avctx;
@@ -1404,8 +1404,8 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
if (buf_size == 0) {
/* special case for last picture */
if (s->low_delay==0 && s->next_picture_ptr) {
- *pict= *(AVFrame*)s->next_picture_ptr;
- s->next_picture_ptr= NULL;
+ *pict = *(AVFrame*)s->next_picture_ptr;
+ s->next_picture_ptr = NULL;
*data_size = sizeof(AVFrame);
}
@@ -1436,13 +1436,13 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
|| avctx->skip_frame >= AVDISCARD_ALL)
return buf_size;
- for(i=0; i<slice_count; i++){
- int offset= get_slice_offset(avctx, slices_hdr, i);
+ for(i = 0; i < slice_count; i++){
+ int offset = get_slice_offset(avctx, slices_hdr, i);
int size;
if(i+1 == slice_count)
- size= buf_size - offset;
+ size = buf_size - offset;
else
- size= get_slice_offset(avctx, slices_hdr, i+1) - offset;
+ size = get_slice_offset(avctx, slices_hdr, i+1) - offset;
if(offset > buf_size){
av_log(avctx, AV_LOG_ERROR, "Slice offset is greater than frame size\n");
@@ -1472,16 +1472,16 @@ int ff_rv34_decode_frame(AVCodecContext *avctx,
ff_er_frame_end(s);
MPV_frame_end(s);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
- *pict= *(AVFrame*)s->current_picture_ptr;
+ *pict = *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
- *pict= *(AVFrame*)s->last_picture_ptr;
+ *pict = *(AVFrame*)s->last_picture_ptr;
}
if(s->last_picture_ptr || s->low_delay){
*data_size = sizeof(AVFrame);
ff_print_debug_info(s, pict);
}
- s->current_picture_ptr= NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
+ s->current_picture_ptr = NULL; //so we can detect if frame_end wasnt called (find some nicer solution...)
}
return buf_size;
}