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cosmetics: K&R coding style, prettyprinting

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Originally committed as revision 20115 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2009-10-01 09:11:07 +00:00
parent a8b95021e5
commit 37a4269d70
1 changed files with 53 additions and 52 deletions
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105
libavcodec/sgienc.c
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@ -31,7 +31,8 @@ typedef struct SgiContext {
AVFrame picture;
} SgiContext;
static av_cold int encode_init(AVCodecContext *avctx){
static av_cold int encode_init(AVCodecContext *avctx)
{
SgiContext *s = avctx->priv_data;
avcodec_get_frame_defaults(&s->picture);
@ -41,7 +42,8 @@ static av_cold int encode_init(AVCodecContext *avctx){
}
static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
int buf_size, void *data) {
int buf_size, void *data)
{
SgiContext *s = avctx->priv_data;
AVFrame * const p = &s->picture;
uint8_t *offsettab, *lengthtab, *in_buf, *encode_buf;
@ -53,24 +55,24 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
p->pict_type = FF_I_TYPE;
p->key_frame = 1;
width = avctx->width;
width = avctx->width;
height = avctx->height;
switch (avctx->pix_fmt) {
case PIX_FMT_GRAY8:
dimension = SGI_SINGLE_CHAN;
depth = SGI_GRAYSCALE;
break;
case PIX_FMT_RGB24:
dimension = SGI_MULTI_CHAN;
depth = SGI_RGB;
break;
case PIX_FMT_RGBA:
dimension = SGI_MULTI_CHAN;
depth = SGI_RGBA;
break;
default:
return AVERROR_INVALIDDATA;
case PIX_FMT_GRAY8:
dimension = SGI_SINGLE_CHAN;
depth = SGI_GRAYSCALE;
break;
case PIX_FMT_RGB24:
dimension = SGI_MULTI_CHAN;
depth = SGI_RGB;
break;
case PIX_FMT_RGBA:
dimension = SGI_MULTI_CHAN;
depth = SGI_RGBA;
break;
default:
return AVERROR_INVALIDDATA;
}
tablesize = depth * height * 4;
@ -107,51 +109,51 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
offsettab = buf;
if (avctx->coder_type != FF_CODER_TYPE_RAW) {
/* Skip RLE offset table. */
buf += tablesize;
lengthtab = buf;
/* Skip RLE offset table. */
buf += tablesize;
lengthtab = buf;
/* Skip RLE length table. */
buf += tablesize;
/* Skip RLE length table. */
buf += tablesize;
/* Make an intermediate consecutive buffer. */
if ((encode_buf = av_malloc(width)) == NULL)
return -1;
/* Make an intermediate consecutive buffer. */
if ((encode_buf = av_malloc(width)) == NULL)
return -1;
for (z = 0; z < depth; z++) {
in_buf = p->data[0] + p->linesize[0] * (height - 1) + z;
for (y = 0; y < height; y++) {
bytestream_put_be32(&offsettab, buf - orig_buf);
for (x = 0; x < width; x++)
encode_buf[x] = in_buf[depth * x];
if((length = ff_rle_encode(buf, end_buf - buf - 1, encode_buf, 1, width, 0, 0, 0x80, 0)) < 1) {
av_free(encode_buf);
return -1;
}
buf += length;
bytestream_put_byte(&buf, 0);
bytestream_put_be32(&lengthtab, length + 1);
in_buf -= p->linesize[0];
}
}
av_free(encode_buf);
} else {
for (z = 0; z < depth; z++) {
in_buf = p->data[0] + p->linesize[0] * (height - 1) + z;
for (y = 0; y < height; y++) {
for (x = 0; x < width * depth; x += depth)
bytestream_put_byte(&buf, in_buf[x]);
bytestream_put_be32(&offsettab, buf - orig_buf);
for (x = 0; x < width; x++)
encode_buf[x] = in_buf[depth * x];
if ((length = ff_rle_encode(buf, end_buf - buf - 1, encode_buf, 1, width, 0, 0, 0x80, 0)) < 1) {
av_free(encode_buf);
return -1;
}
buf += length;
bytestream_put_byte(&buf, 0);
bytestream_put_be32(&lengthtab, length + 1);
in_buf -= p->linesize[0];
}
}
}
av_free(encode_buf);
} else {
for (z = 0; z < depth; z++) {
in_buf = p->data[0] + p->linesize[0] * (height - 1) + z;
for (y = 0; y < height; y++) {
for (x = 0; x < width * depth; x += depth)
bytestream_put_byte(&buf, in_buf[x]);
in_buf -= p->linesize[0];
}
}
}
/* total length */
return buf - orig_buf;
@ -168,4 +170,3 @@ AVCodec sgi_encoder = {
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_GRAY8, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("SGI image"),
};