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Code Issues Releases Activity

xl: K&R formatting cosmetics

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This commit is contained in:
Luca Barbato 2013-07-27 20:01:03 +02:00
parent 270d7e3a18
commit e13a929314
1 changed files with 28 additions and 26 deletions
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54
libavcodec/xl.c
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@ -33,27 +33,28 @@ static const int xl_table[32] = {
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 12, 15, 20, 25, 34, 46,
64, 82, 94, 103, 108, 113, 116, 119,
120, 121, 122, 123, 124, 125, 126, 127};
120, 121, 122, 123, 124, 125, 126, 127
};
static int decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AVFrame * const p = data;
int buf_size = avpkt->size;
AVFrame *const p = data;
uint8_t *Y, *U, *V;
int i, j, ret;
int stride;
uint32_t val;
int y0, y1, y2, y3 = 0, c0 = 0, c1 = 0;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0){
if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
Y = p->data[0];
U = p->data[1];
@ -72,27 +73,27 @@ static int decode_frame(AVCodecContext *avctx,
for (j = 0; j < avctx->width; j += 4) {
/* value is stored in LE dword with word swapped */
val = AV_RL32(buf);
val = AV_RL32(buf);
buf -= 4;
val = ((val >> 16) & 0xFFFF) | ((val & 0xFFFF) << 16);
val = ((val >> 16) & 0xFFFF) | ((val & 0xFFFF) << 16);
if(!j)
if (!j)
y0 = (val & 0x1F) << 2;
else
y0 = y3 + xl_table[val & 0x1F];
val >>= 5;
y1 = y0 + xl_table[val & 0x1F];
y1 = y0 + xl_table[val & 0x1F];
val >>= 5;
y2 = y1 + xl_table[val & 0x1F];
y2 = y1 + xl_table[val & 0x1F];
val >>= 6; /* align to word */
y3 = y2 + xl_table[val & 0x1F];
y3 = y2 + xl_table[val & 0x1F];
val >>= 5;
if(!j)
if (!j)
c0 = (val & 0x1F) << 2;
else
c0 += xl_table[val & 0x1F];
val >>= 5;
if(!j)
if (!j)
c1 = (val & 0x1F) << 2;
else
c1 += xl_table[val & 0x1F];
@ -107,9 +108,9 @@ static int decode_frame(AVCodecContext *avctx,
}
buf += avctx->width + 4;
Y += p->linesize[0];
U += p->linesize[1];
V += p->linesize[2];
Y += p->linesize[0];
U += p->linesize[1];
V += p->linesize[2];
}
*got_frame = 1;
@ -117,18 +118,19 @@ static int decode_frame(AVCodecContext *avctx,
return buf_size;
}
static av_cold int decode_init(AVCodecContext *avctx){
avctx->pix_fmt= AV_PIX_FMT_YUV411P;
static av_cold int decode_init(AVCodecContext *avctx)
{
avctx->pix_fmt = AV_PIX_FMT_YUV411P;
return 0;
}
AVCodec ff_xl_decoder = {
.name = "xl",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VIXL,
.init = decode_init,
.decode = decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Miro VideoXL"),
.name = "xl",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VIXL,
.init = decode_init,
.decode = decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Miro VideoXL"),
};