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Merge commit 'fcae3ff124ee97c9265e3b93f3d41238b2aee9bd'

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* commit 'fcae3ff124ee97c9265e3b93f3d41238b2aee9bd':
  dsicinav: K&R formatting cosmetics

Conflicts:
	libavcodec/dsicinav.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
pull/27/merge
Michael Niedermayer 11 years ago
parent 1f7acf3cff fcae3ff124
commit 75fbe41fc6
1 changed files with 59 additions and 49 deletions
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  1. 42
      libavcodec/dsicinav.c

42
libavcodec/dsicinav.c
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@ -127,13 +127,15 @@ static av_cold int cinvideo_decode_init(AVCodecContext *avctx)
return 0;
}
static void cin_apply_delta_data(const unsigned char *src, unsigned char *dst, int size)
static void cin_apply_delta_data(const unsigned char *src, unsigned char *dst,
int size)
{
while (size--)
*dst++ += *src++;
}
static int cin_decode_huffman(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
static int cin_decode_huffman(const unsigned char *src, int src_size,
unsigned char *dst, int dst_size)
{
int b, huff_code = 0;
unsigned char huff_code_table[15];
@ -141,7 +143,8 @@ static int cin_decode_huffman(const unsigned char *src, int src_size, unsigned c
unsigned char *dst_end = dst + dst_size;
const unsigned char *src_end = src + src_size;
memcpy(huff_code_table, src, 15); src += 15;
memcpy(huff_code_table, src, 15);
src += 15;
while (src < src_end) {
huff_code = *src++;
@ -166,7 +169,8 @@ static int cin_decode_huffman(const unsigned char *src, int src_size, unsigned c
return dst_cur - dst;
}
static int cin_decode_lzss(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
static int cin_decode_lzss(const unsigned char *src, int src_size,
unsigned char *dst, int dst_size)
{
uint16_t cmd;
int i, sz, offset, code;
@ -179,13 +183,15 @@ static int cin_decode_lzss(const unsigned char *src, int src_size, unsigned char
if (code & (1 << i)) {
*dst++ = *src++;
} else {
cmd = AV_RL16(src); src += 2;
cmd = AV_RL16(src);
src += 2;
offset = cmd >> 4;
if ((int) (dst - dst_start) < offset + 1)
if ((int)(dst - dst_start) < offset + 1)
return AVERROR_INVALIDDATA;
sz = (cmd & 0xF) + 2;
/* don't use memcpy/memmove here as the decoding routine (ab)uses */
/* buffer overlappings to repeat bytes in the destination */
/* don't use memcpy/memmove here as the decoding routine
* (ab)uses buffer overlappings to repeat bytes in the
* destination */
sz = FFMIN(sz, dst_end - dst);
while (sz--) {
*dst = *(dst - offset - 1);
@ -198,7 +204,8 @@ static int cin_decode_lzss(const unsigned char *src, int src_size, unsigned char
return 0;
}
static int cin_decode_rle(const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
static int cin_decode_rle(const unsigned char *src, int src_size,
unsigned char *dst, int dst_size)
{
int len, code;
unsigned char *dst_end = dst + dst_size;
@ -230,10 +237,11 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
CinVideoContext *cin = avctx->priv_data;
int i, y, palette_type, palette_colors_count, bitmap_frame_type, bitmap_frame_size, res = 0;
int i, y, palette_type, palette_colors_count,
bitmap_frame_type, bitmap_frame_size, res = 0;
palette_type = buf[0];
palette_colors_count = AV_RL16(buf+1);
palette_colors_count = AV_RL16(buf + 1);
bitmap_frame_type = buf[3];
buf += 4;
@ -251,13 +259,14 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
}
} else {
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[buf[0]] = 0xFFU << 24 | AV_RL24(buf+1);
cin->palette[buf[0]] = 0xFFU << 24 | AV_RL24(buf + 1);
buf += 4;
bitmap_frame_size -= 4;
}
}
/* note: the decoding routines below assumes that surface.width = surface.pitch */
/* note: the decoding routines below assumes that
* surface.width = surface.pitch */
switch (bitmap_frame_type) {
case 9:
cin_decode_rle(buf, bitmap_frame_size,
@ -277,7 +286,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
break;
case 36:
bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size);
cin->bitmap_table[CIN_INT_BMP],
cin->bitmap_size);
cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
@ -315,7 +325,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
cin->bitmap_table[CIN_CUR_BMP] + y * cin->avctx->width,
cin->avctx->width);
FFSWAP(uint8_t *, cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_table[CIN_PRE_BMP]);
FFSWAP(uint8_t *, cin->bitmap_table[CIN_CUR_BMP],
cin->bitmap_table[CIN_PRE_BMP]);
if ((res = av_frame_ref(data, &cin->frame)) < 0)
return res;
@ -384,7 +395,6 @@ static int cinaudio_decode_frame(AVCodecContext *avctx, void *data,
return avpkt->size;
}
AVCodec ff_dsicinvideo_decoder = {
.name = "dsicinvideo",
.type = AVMEDIA_TYPE_VIDEO,

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