diff options
author | Diego Biurrun <diego@biurrun.de> | 2013-06-01 17:35:11 +0400 |
---|---|---|
committer | Diego Biurrun <diego@biurrun.de> | 2013-06-02 19:59:34 +0400 |
commit | 46ce9ded96ffcb798b03da894cdb5fdac376a6ee (patch) | |
tree | 06dd4b40eb83977381d2c7b83c57cc8a6d2098d7 /libavcodec/tiff.c | |
parent | f849a77e67959eb6a83eb59b784aeefdb98cb80a (diff) |
tiff: K&R formatting cosmetics
Diffstat (limited to 'libavcodec/tiff.c')
-rw-r--r-- | libavcodec/tiff.c | 114 |
1 files changed, 59 insertions, 55 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 79c93cbb8a..a2fae32590 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -25,19 +25,20 @@ * @author Konstantin Shishkov */ -#include "avcodec.h" #include "config.h" #if CONFIG_ZLIB #include <zlib.h> #endif -#include "lzw.h" -#include "tiff.h" -#include "faxcompr.h" -#include "internal.h" -#include "mathops.h" + #include "libavutil/attributes.h" #include "libavutil/intreadwrite.h" #include "libavutil/imgutils.h" +#include "avcodec.h" +#include "faxcompr.h" +#include "internal.h" +#include "lzw.h" +#include "mathops.h" +#include "tiff.h" typedef struct TiffContext { AVCodecContext *avctx; @@ -78,10 +79,14 @@ static unsigned tget_long(const uint8_t **p, int le) static unsigned tget(const uint8_t **p, int type, int le) { switch (type) { - case TIFF_BYTE : return *(*p)++; - case TIFF_SHORT: return tget_short(p, le); - case TIFF_LONG : return tget_long(p, le); - default : return UINT_MAX; + case TIFF_BYTE: + return *(*p)++; + case TIFF_SHORT: + return tget_short(p, le); + case TIFF_LONG: + return tget_long(p, le); + default: + return UINT_MAX; } } @@ -92,11 +97,11 @@ static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src, z_stream zstream = { 0 }; int zret; - zstream.next_in = src; - zstream.avail_in = size; - zstream.next_out = dst; + zstream.next_in = src; + zstream.avail_in = size; + zstream.next_out = dst; zstream.avail_out = *len; - zret = inflateInit(&zstream); + zret = inflateInit(&zstream); if (zret != Z_OK) { av_log(NULL, AV_LOG_ERROR, "Inflate init error: %d\n", zret); return zret; @@ -113,7 +118,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride, { int c, line, pixels, code, ret; const uint8_t *ssrc = src; - int width = ((s->width * s->bpp) + 7) >> 3; + int width = ((s->width * s->bpp) + 7) >> 3; if (size <= 0) return AVERROR_INVALIDDATA; @@ -124,7 +129,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride, unsigned long outlen; int ret; outlen = width * lines; - zbuf = av_malloc(outlen); + zbuf = av_malloc(outlen); if (!zbuf) return AVERROR(ENOMEM); ret = tiff_uncompress(zbuf, &outlen, src, size); @@ -151,8 +156,9 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride, return ret; } } - if (s->compr == TIFF_CCITT_RLE || s->compr == TIFF_G3 - || s->compr == TIFF_G4) { + if (s->compr == TIFF_CCITT_RLE || + s->compr == TIFF_G3 || + s->compr == TIFF_G4) { int i, ret = 0; uint8_t *src2 = av_malloc((unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE); @@ -206,7 +212,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride, break; case TIFF_PACKBITS: for (pixels = 0; pixels < width;) { - code = (int8_t) * src++; + code = (int8_t) *src++; if (code >= 0) { code++; if (pixels + code > width) { @@ -215,7 +221,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride, return AVERROR_INVALIDDATA; } memcpy(dst + pixels, src, code); - src += code; + src += code; pixels += code; } else if (code != -128) { // -127..-1 code = (-code) + 1; @@ -306,10 +312,10 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, if (end_buf - buf < 12) return AVERROR_INVALIDDATA; - tag = tget_short(&buf, s->le); - type = tget_short(&buf, s->le); + tag = tget_short(&buf, s->le); + type = tget_short(&buf, s->le); count = tget_long(&buf, s->le); - off = tget_long(&buf, s->le); + off = tget_long(&buf, s->le); if (type == 0 || type >= FF_ARRAY_ELEMS(type_sizes)) { av_log(s->avctx, AV_LOG_DEBUG, "Unknown tiff type (%u) encountered\n", @@ -321,13 +327,13 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, switch (type) { case TIFF_BYTE: case TIFF_SHORT: - buf -= 4; + buf -= 4; value = tget(&buf, type, s->le); - buf = NULL; + buf = NULL; break; case TIFF_LONG: value = off; - buf = NULL; + buf = NULL; break; case TIFF_STRING: if (count <= 4) { @@ -336,14 +342,13 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, } default: value = UINT_MAX; - buf = start + off; + buf = start + off; } } else { - if (count <= 4 && type_sizes[type] * count <= 4) { + if (count <= 4 && type_sizes[type] * count <= 4) buf -= 4; - } else { + else buf = start + off; - } } if (buf && (buf < start || buf > end_buf)) { @@ -397,7 +402,7 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, s->bppcount = value; break; case TIFF_COMPR: - s->compr = value; + s->compr = value; s->predictor = 0; switch (s->compr) { case TIFF_RAW: @@ -441,7 +446,7 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, case TIFF_STRIP_OFFS: if (count == 1) { s->stripdata = NULL; - s->stripoff = value; + s->stripoff = value; } else s->stripdata = start + off; s->strips = count; @@ -457,8 +462,8 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, case TIFF_STRIP_SIZE: if (count == 1) { s->stripsizes = NULL; - s->stripsize = value; - s->strips = 1; + s->stripsize = value; + s->strips = 1; } else { s->stripsizes = start + off; } @@ -503,14 +508,14 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, off = type_sizes[type]; if (count / 3 > 256 || end_buf - buf < count / 3 * off * 3) return AVERROR_INVALIDDATA; - rp = buf; - gp = buf + count / 3 * off; - bp = buf + count / 3 * off * 2; + rp = buf; + gp = buf + count / 3 * off; + bp = buf + count / 3 * off * 2; off = (type_sizes[type] - 1) << 3; for (i = 0; i < count / 3; i++) { - j = (tget(&rp, type, s->le) >> off) << 16; - j |= (tget(&gp, type, s->le) >> off) << 8; - j |= tget(&bp, type, s->le) >> off; + j = (tget(&rp, type, s->le) >> off) << 16; + j |= (tget(&gp, type, s->le) >> off) << 8; + j |= tget(&bp, type, s->le) >> off; pal[i] = j; } s->palette_is_set = 1; @@ -540,21 +545,20 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; + int buf_size = avpkt->size; TiffContext *const s = avctx->priv_data; AVFrame *const p = data; const uint8_t *orig_buf = buf, *end_buf = buf + buf_size; unsigned off; int id, le, ret; - int i, j, entries; - int stride; + int i, j, entries, stride; unsigned soff, ssize; uint8_t *dst; - //parse image header + // parse image header if (end_buf - buf < 8) return AVERROR_INVALIDDATA; - id = AV_RL16(buf); + id = AV_RL16(buf); buf += 2; if (id == 0x4949) le = 1; @@ -564,9 +568,9 @@ static int decode_frame(AVCodecContext *avctx, av_log(avctx, AV_LOG_ERROR, "TIFF header not found\n"); return AVERROR_INVALIDDATA; } - s->le = le; - s->invert = 0; - s->compr = TIFF_RAW; + s->le = le; + s->invert = 0; + s->compr = TIFF_RAW; s->fill_order = 0; // As TIFF 6.0 specification puts it "An arbitrary but carefully chosen number // that further identifies the file as a TIFF file" @@ -583,7 +587,7 @@ static int decode_frame(AVCodecContext *avctx, av_log(avctx, AV_LOG_ERROR, "IFD offset is greater than image size\n"); return AVERROR_INVALIDDATA; } - buf = orig_buf + off; + buf = orig_buf + off; entries = tget_short(&buf, le); for (i = 0; i < entries; i++) { if ((ret = tiff_decode_tag(s, orig_buf, buf, end_buf)) < 0) @@ -603,7 +607,7 @@ static int decode_frame(AVCodecContext *avctx, s->stripsize = buf_size - s->stripoff; } stride = p->linesize[0]; - dst = p->data[0]; + dst = p->data[0]; for (i = 0; i < s->height; i += s->rps) { if (s->stripsizes) { if (s->stripsizes >= end_buf) @@ -629,8 +633,8 @@ static int decode_frame(AVCodecContext *avctx, dst += s->rps * stride; } if (s->predictor == 2) { - dst = p->data[0]; - soff = s->bpp >> 3; + dst = p->data[0]; + soff = s->bpp >> 3; ssize = s->width * soff; for (i = 0; i < s->height; i++) { for (j = soff; j < ssize; j++) @@ -659,9 +663,9 @@ static av_cold int tiff_init(AVCodecContext *avctx) { TiffContext *s = avctx->priv_data; - s->width = 0; + s->width = 0; s->height = 0; - s->avctx = avctx; + s->avctx = avctx; ff_lzw_decode_open(&s->lzw); ff_ccitt_unpack_init(); @@ -678,6 +682,7 @@ static av_cold int tiff_end(AVCodecContext *avctx) AVCodec ff_tiff_decoder = { .name = "tiff", + .long_name = NULL_IF_CONFIG_SMALL("TIFF image"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_TIFF, .priv_data_size = sizeof(TiffContext), @@ -685,5 +690,4 @@ AVCodec ff_tiff_decoder = { .close = tiff_end, .decode = decode_frame, .capabilities = CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("TIFF image"), }; 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