summaryrefslogtreecommitdiff
path: root/libavcodec/wnv1.c
diff options
context:
space:
mode:
authorAnton Khirnov <anton@khirnov.net>2012-11-16 18:42:16 +0100
committerAnton Khirnov <anton@khirnov.net>2012-12-24 09:18:19 +0100
commit0a9132b84c0590500bb3d6b358219323805993fc (patch)
tree7deb1ffaaae7654763e48277733c14136adc706c /libavcodec/wnv1.c
parent51648da4dc7ab9f3d04960c13a4db5c1975e5fc6 (diff)
wnv1: cosmetics, reformat
Diffstat (limited to 'libavcodec/wnv1.c')
-rw-r--r--libavcodec/wnv1.c42
1 files changed, 22 insertions, 20 deletions
diff --git a/libavcodec/wnv1.c b/libavcodec/wnv1.c
index 9021ec6a62..1636f16510 100644
--- a/libavcodec/wnv1.c
+++ b/libavcodec/wnv1.c
@@ -30,7 +30,7 @@
#include "mathops.h"
-typedef struct WNV1Context{
+typedef struct WNV1Context {
AVCodecContext *avctx;
AVFrame pic;
@@ -38,10 +38,10 @@ typedef struct WNV1Context{
GetBitContext gb;
} WNV1Context;
-static const uint16_t code_tab[16][2]={
-{0x1FD,9}, {0xFD,8}, {0x7D,7}, {0x3D,6}, {0x1D,5}, {0x0D,4}, {0x005,3},
-{0x000,1},
-{0x004,3}, {0x0C,4}, {0x1C,5}, {0x3C,6}, {0x7C,7}, {0xFC,8}, {0x1FC,9}, {0xFF,8}
+static const uint16_t code_tab[16][2] = {
+ { 0x1FD, 9 }, { 0xFD, 8 }, { 0x7D, 7 }, { 0x3D, 6 }, { 0x1D, 5 }, { 0x0D, 4 }, { 0x005, 3 },
+ { 0x000, 1 },
+ { 0x004, 3 }, { 0x0C, 4 }, { 0x1C, 5 }, { 0x3C, 6 }, { 0x7C, 7 }, { 0xFC, 8 }, { 0x1FC, 9 }, { 0xFF, 8 }
};
#define CODE_VLC_BITS 9
@@ -52,32 +52,32 @@ static inline int wnv1_get_code(WNV1Context *w, int base_value)
{
int v = get_vlc2(&w->gb, code_vlc.table, CODE_VLC_BITS, 1);
- if(v==15)
- return ff_reverse[ get_bits(&w->gb, 8 - w->shift) ];
+ if (v == 15)
+ return ff_reverse[get_bits(&w->gb, 8 - w->shift)];
else
- return base_value + ((v - 7)<<w->shift);
+ return base_value + ((v - 7) << w->shift);
}
static int decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
- const uint8_t *buf = avpkt->data;
- int buf_size = avpkt->size;
WNV1Context * const l = avctx->priv_data;
- AVFrame * const p = &l->pic;
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
+ AVFrame * const p = &l->pic;
unsigned char *Y,*U,*V;
int i, j;
int prev_y = 0, prev_u = 0, prev_v = 0;
uint8_t *rbuf;
rbuf = av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
- if(!rbuf){
+ if (!rbuf) {
av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");
return -1;
}
- if(p->data[0])
+ if (p->data[0])
avctx->release_buffer(avctx, p);
p->reference = 0;
@@ -88,9 +88,9 @@ static int decode_frame(AVCodecContext *avctx,
}
p->key_frame = 1;
- for(i=8; i<buf_size; i++)
- rbuf[i]= ff_reverse[ buf[i] ];
- init_get_bits(&l->gb, rbuf+8, (buf_size-8)*8);
+ for (i = 8; i < buf_size; i++)
+ rbuf[i] = ff_reverse[buf[i]];
+ init_get_bits(&l->gb, rbuf + 8, (buf_size - 8) * 8);
if (buf[2] >> 4 == 6)
l->shift = 2;
@@ -131,14 +131,15 @@ static int decode_frame(AVCodecContext *avctx,
return buf_size;
}
-static av_cold int decode_init(AVCodecContext *avctx){
+static av_cold int decode_init(AVCodecContext *avctx)
+{
WNV1Context * const l = avctx->priv_data;
static VLC_TYPE code_table[1 << CODE_VLC_BITS][2];
- l->avctx = avctx;
+ l->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_YUV422P;
- code_vlc.table = code_table;
+ code_vlc.table = code_table;
code_vlc.table_allocated = 1 << CODE_VLC_BITS;
init_vlc(&code_vlc, CODE_VLC_BITS, 16,
&code_tab[0][1], 4, 2,
@@ -147,7 +148,8 @@ static av_cold int decode_init(AVCodecContext *avctx){
return 0;
}
-static av_cold int decode_end(AVCodecContext *avctx){
+static av_cold int decode_end(AVCodecContext *avctx)
+{
WNV1Context * const l = avctx->priv_data;
AVFrame *pic = &l->pic;