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indeo2: cosmetics, reformat

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This commit is contained in:
Anton Khirnov 2012-11-17 08:11:30 +01:00
parent 7b1fbd4729
commit c04c64c08e
1 changed files with 34 additions and 32 deletions

66
libavcodec/indeo2.c

@ -47,8 +47,8 @@ static inline int ir2_get_code(GetBitContext *gb)
return get_vlc2(gb, ir2_vlc.table, CODE_VLC_BITS, 1) + 1; return get_vlc2(gb, ir2_vlc.table, CODE_VLC_BITS, 1) + 1;
} }
static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst, int stride, static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst,
const uint8_t *table) int stride, const uint8_t *table)
{ {
int i; int i;
int j; int j;
@ -56,15 +56,15 @@ static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst
int c; int c;
int t; int t;
if(width&1) if (width & 1)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
/* first line contain absolute values, other lines contain deltas */ /* first line contain absolute values, other lines contain deltas */
while (out < width){ while (out < width) {
c = ir2_get_code(&ctx->gb); c = ir2_get_code(&ctx->gb);
if(c >= 0x80) { /* we have a run */ if (c >= 0x80) { /* we have a run */
c -= 0x7F; c -= 0x7F;
if(out + c*2 > width) if (out + c*2 > width)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
for (i = 0; i < c * 2; i++) for (i = 0; i < c * 2; i++)
dst[out++] = 0x80; dst[out++] = 0x80;
@ -75,25 +75,25 @@ static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst
} }
dst += stride; dst += stride;
for (j = 1; j < height; j++){ for (j = 1; j < height; j++) {
out = 0; out = 0;
while (out < width){ while (out < width) {
c = ir2_get_code(&ctx->gb); c = ir2_get_code(&ctx->gb);
if(c >= 0x80) { /* we have a skip */ if (c >= 0x80) { /* we have a skip */
c -= 0x7F; c -= 0x7F;
if(out + c*2 > width) if (out + c*2 > width)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
for (i = 0; i < c * 2; i++) { for (i = 0; i < c * 2; i++) {
dst[out] = dst[out - stride]; dst[out] = dst[out - stride];
out++; out++;
} }
} else { /* add two deltas from table */ } else { /* add two deltas from table */
t = dst[out - stride] + (table[c * 2] - 128); t = dst[out - stride] + (table[c * 2] - 128);
t= av_clip_uint8(t); t = av_clip_uint8(t);
dst[out] = t; dst[out] = t;
out++; out++;
t = dst[out - stride] + (table[(c * 2) + 1] - 128); t = dst[out - stride] + (table[(c * 2) + 1] - 128);
t= av_clip_uint8(t); t = av_clip_uint8(t);
dst[out] = t; dst[out] = t;
out++; out++;
} }
@ -103,31 +103,31 @@ static int ir2_decode_plane(Ir2Context *ctx, int width, int height, uint8_t *dst
return 0; return 0;
} }
static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_t *dst, int stride, static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_t *dst,
const uint8_t *table) int stride, const uint8_t *table)
{ {
int j; int j;
int out = 0; int out = 0;
int c; int c;
int t; int t;
if(width&1) if (width & 1)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
for (j = 0; j < height; j++){ for (j = 0; j < height; j++) {
out = 0; out = 0;
while (out < width){ while (out < width) {
c = ir2_get_code(&ctx->gb); c = ir2_get_code(&ctx->gb);
if(c >= 0x80) { /* we have a skip */ if (c >= 0x80) { /* we have a skip */
c -= 0x7F; c -= 0x7F;
out += c * 2; out += c * 2;
} else { /* add two deltas from table */ } else { /* add two deltas from table */
t = dst[out] + (((table[c * 2] - 128)*3) >> 2); t = dst[out] + (((table[c * 2] - 128)*3) >> 2);
t= av_clip_uint8(t); t = av_clip_uint8(t);
dst[out] = t; dst[out] = t;
out++; out++;
t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2); t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2);
t= av_clip_uint8(t); t = av_clip_uint8(t);
dst[out] = t; dst[out] = t;
out++; out++;
} }
@ -141,14 +141,14 @@ static int ir2_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame, void *data, int *got_frame,
AVPacket *avpkt) AVPacket *avpkt)
{ {
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Ir2Context * const s = avctx->priv_data; Ir2Context * const s = avctx->priv_data;
AVFrame *picture = data; const uint8_t *buf = avpkt->data;
AVFrame * const p = &s->picture; int buf_size = avpkt->size;
AVFrame *picture = data;
AVFrame * const p = &s->picture;
int start, ret; int start, ret;
if(p->data[0]) if (p->data[0])
avctx->release_buffer(avctx, p); avctx->release_buffer(avctx, p);
p->reference = 1; p->reference = 1;
@ -212,7 +212,8 @@ static int ir2_decode_frame(AVCodecContext *avctx,
return buf_size; return buf_size;
} }
static av_cold int ir2_decode_init(AVCodecContext *avctx){ static av_cold int ir2_decode_init(AVCodecContext *avctx)
{
Ir2Context * const ic = avctx->priv_data; Ir2Context * const ic = avctx->priv_data;
static VLC_TYPE vlc_tables[1 << CODE_VLC_BITS][2]; static VLC_TYPE vlc_tables[1 << CODE_VLC_BITS][2];
@ -235,7 +236,8 @@ static av_cold int ir2_decode_init(AVCodecContext *avctx){
return 0; return 0;
} }
static av_cold int ir2_decode_end(AVCodecContext *avctx){ static av_cold int ir2_decode_end(AVCodecContext *avctx)
{
Ir2Context * const ic = avctx->priv_data; Ir2Context * const ic = avctx->priv_data;
AVFrame *pic = &ic->picture; AVFrame *pic = &ic->picture;