videolan/ffmpeg
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Remove useless () from lcldec for more consistency with "normal" FFmpeg coding style.

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Originally committed as revision 18995 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-05-30 09:07:10 +00:00
parent b157e3e56b
commit c40f366372
1 changed files with 30 additions and 30 deletions
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60
libavcodec/lcldec.c
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@ -115,9 +115,9 @@ static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned cha
unsigned char maskbit = 0; unsigned char maskbit = 0;
unsigned int ofs, cnt; unsigned int ofs, cnt;
while ((srclen > 0) && (destptr < destptr_end)) { while (srclen > 0 && destptr < destptr_end) {
if (maskbit == 0) { if (maskbit == 0) {
mask = *(srcptr++); mask = *srcptr++;
maskbit = 8; maskbit = 8;
srclen--; srclen--;
continue; continue;
@ -130,8 +130,8 @@ static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned cha
destptr += 4; destptr += 4;
srcptr += 4; srcptr += 4;
} else { } else {
ofs = *(srcptr++); ofs = *srcptr++;
cnt = *(srcptr++); cnt = *srcptr++;
ofs += cnt * 256; ofs += cnt * 256;
cnt = ((cnt >> 3) & 0x1f) + 1; cnt = ((cnt >> 3) & 0x1f) + 1;
ofs &= 0x7ff; ofs &= 0x7ff;
@ -141,13 +141,13 @@ static unsigned int mszh_decomp(unsigned char * srcptr, int srclen, unsigned cha
cnt = destptr_end - destptr; cnt = destptr_end - destptr;
} }
for (; cnt > 0; cnt--) { for (; cnt > 0; cnt--) {
*(destptr) = *(destptr - ofs); *destptr = *(destptr - ofs);
destptr++; destptr++;
} }
} }
} }
return (destptr - destptr_bak); return destptr - destptr_bak;
} }
@ -195,8 +195,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
switch (c->compression) { switch (c->compression) {
case COMP_MSZH: case COMP_MSZH:
if (c->flags & FLAG_MULTITHREAD) { if (c->flags & FLAG_MULTITHREAD) {
mthread_inlen = *((unsigned int*)encoded); mthread_inlen = *(unsigned int*)encoded;
mthread_outlen = *((unsigned int*)(encoded+4)); mthread_outlen = *(unsigned int*)(encoded+4);
if (mthread_outlen > c->decomp_size) // this should not happen if (mthread_outlen > c->decomp_size) // this should not happen
mthread_outlen = c->decomp_size; mthread_outlen = c->decomp_size;
mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size); mszh_dlen = mszh_decomp(encoded + 8, mthread_inlen, c->decomp_buf, c->decomp_size);
@ -237,34 +237,34 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
/* Using the original dll with normal compression (-1) and RGB format /* Using the original dll with normal compression (-1) and RGB format
* gives a file with ZLIB fourcc, but frame is really uncompressed. * gives a file with ZLIB fourcc, but frame is really uncompressed.
* To be sure that's true check also frame size */ * To be sure that's true check also frame size */
if ((c->compression == COMP_ZLIB_NORMAL) && (c->imgtype == IMGTYPE_RGB24) && if (c->compression == COMP_ZLIB_NORMAL && c->imgtype == IMGTYPE_RGB24 &&
(len == width * height * 3)) len == width * height * 3)
break; break;
zret = inflateReset(&(c->zstream)); zret = inflateReset(&c->zstream);
if (zret != Z_OK) { if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
return -1; return -1;
} }
if (c->flags & FLAG_MULTITHREAD) { if (c->flags & FLAG_MULTITHREAD) {
mthread_inlen = *((unsigned int*)encoded); mthread_inlen = *(unsigned int*)encoded;
mthread_outlen = *((unsigned int*)(encoded+4)); mthread_outlen = *(unsigned int*)(encoded+4);
if (mthread_outlen > c->decomp_size) if (mthread_outlen > c->decomp_size)
mthread_outlen = c->decomp_size; mthread_outlen = c->decomp_size;
c->zstream.next_in = encoded + 8; c->zstream.next_in = encoded + 8;
c->zstream.avail_in = mthread_inlen; c->zstream.avail_in = mthread_inlen;
c->zstream.next_out = c->decomp_buf; c->zstream.next_out = c->decomp_buf;
c->zstream.avail_out = c->decomp_size; c->zstream.avail_out = c->decomp_size;
zret = inflate(&(c->zstream), Z_FINISH); zret = inflate(&c->zstream, Z_FINISH);
if ((zret != Z_OK) && (zret != Z_STREAM_END)) { if (zret != Z_OK && zret != Z_STREAM_END) {
av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Mthread1 inflate error: %d\n", zret);
return -1; return -1;
} }
if (mthread_outlen != (unsigned int)(c->zstream.total_out)) { if (mthread_outlen != (unsigned int)c->zstream.total_out) {
av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n", av_log(avctx, AV_LOG_ERROR, "Mthread1 decoded size differs (%u != %lu)\n",
mthread_outlen, c->zstream.total_out); mthread_outlen, c->zstream.total_out);
return -1; return -1;
} }
zret = inflateReset(&(c->zstream)); zret = inflateReset(&c->zstream);
if (zret != Z_OK) { if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate reset error: %d\n", zret);
return -1; return -1;
@ -273,12 +273,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
c->zstream.avail_in = len - mthread_inlen; c->zstream.avail_in = len - mthread_inlen;
c->zstream.next_out = c->decomp_buf + mthread_outlen; c->zstream.next_out = c->decomp_buf + mthread_outlen;
c->zstream.avail_out = c->decomp_size - mthread_outlen; c->zstream.avail_out = c->decomp_size - mthread_outlen;
zret = inflate(&(c->zstream), Z_FINISH); zret = inflate(&c->zstream, Z_FINISH);
if ((zret != Z_OK) && (zret != Z_STREAM_END)) { if (zret != Z_OK && zret != Z_STREAM_END) {
av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Mthread2 inflate error: %d\n", zret);
return -1; return -1;
} }
if (mthread_outlen != (unsigned int)(c->zstream.total_out)) { if (mthread_outlen != (unsigned int)c->zstream.total_out) {
av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n", av_log(avctx, AV_LOG_ERROR, "Mthread2 decoded size differs (%d != %lu)\n",
mthread_outlen, c->zstream.total_out); mthread_outlen, c->zstream.total_out);
return -1; return -1;
@ -288,12 +288,12 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
c->zstream.avail_in = len; c->zstream.avail_in = len;
c->zstream.next_out = c->decomp_buf; c->zstream.next_out = c->decomp_buf;
c->zstream.avail_out = c->decomp_size; c->zstream.avail_out = c->decomp_size;
zret = inflate(&(c->zstream), Z_FINISH); zret = inflate(&c->zstream, Z_FINISH);
if ((zret != Z_OK) && (zret != Z_STREAM_END)) { if (zret != Z_OK && zret != Z_STREAM_END) {
av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
return -1; return -1;
} }
if (c->decomp_size != (unsigned int)(c->zstream.total_out)) { if (c->decomp_size != (unsigned int)c->zstream.total_out) {
av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n", av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n",
c->decomp_size, c->zstream.total_out); c->decomp_size, c->zstream.total_out);
return -1; return -1;
@ -313,7 +313,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
/* Apply PNG filter */ /* Apply PNG filter */
if ((avctx->codec_id == CODEC_ID_ZLIB) && (c->flags & FLAG_PNGFILTER)) { if (avctx->codec_id == CODEC_ID_ZLIB && (c->flags & FLAG_PNGFILTER)) {
switch (c->imgtype) { switch (c->imgtype) {
case IMGTYPE_YUV111: case IMGTYPE_YUV111:
case IMGTYPE_RGB24: case IMGTYPE_RGB24:
@ -524,7 +524,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
#if CONFIG_ZLIB #if CONFIG_ZLIB
// Needed if zlib unused or init aborted before inflateInit // Needed if zlib unused or init aborted before inflateInit
memset(&(c->zstream), 0, sizeof(z_stream)); memset(&c->zstream, 0, sizeof(z_stream));
#endif #endif
if (avctx->extradata_size < 8) { if (avctx->extradata_size < 8) {
@ -537,8 +537,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
} }
/* Check codec type */ /* Check codec type */
if (((avctx->codec_id == CODEC_ID_MSZH) && (*((char *)avctx->extradata + 7) != CODEC_MSZH)) || if ((avctx->codec_id == CODEC_ID_MSZH && *((char *)avctx->extradata + 7) != CODEC_MSZH) ||
((avctx->codec_id == CODEC_ID_ZLIB) && (*((char *)avctx->extradata + 7) != CODEC_ZLIB))) { (avctx->codec_id == CODEC_ID_ZLIB && *((char *)avctx->extradata + 7) != CODEC_ZLIB)) {
av_log(avctx, AV_LOG_ERROR, "Codec id and codec type mismatch. This should not happen.\n"); av_log(avctx, AV_LOG_ERROR, "Codec id and codec type mismatch. This should not happen.\n");
} }
@ -609,7 +609,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_INFO, "Normal compression.\n"); av_log(avctx, AV_LOG_INFO, "Normal compression.\n");
break; break;
default: default:
if ((c->compression < Z_NO_COMPRESSION) || (c->compression > Z_BEST_COMPRESSION)) { if (c->compression < Z_NO_COMPRESSION || c->compression > Z_BEST_COMPRESSION) {
av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression); av_log(avctx, AV_LOG_ERROR, "Unsupported compression level for ZLIB: (%d).\n", c->compression);
return 1; return 1;
} }
@ -650,7 +650,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
c->zstream.zalloc = Z_NULL; c->zstream.zalloc = Z_NULL;
c->zstream.zfree = Z_NULL; c->zstream.zfree = Z_NULL;
c->zstream.opaque = Z_NULL; c->zstream.opaque = Z_NULL;
zret = inflateInit(&(c->zstream)); zret = inflateInit(&c->zstream);
if (zret != Z_OK) { if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret); av_log(avctx, AV_LOG_ERROR, "Inflate init error: %d\n", zret);
return 1; return 1;
@ -678,7 +678,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
if (c->pic.data[0]) if (c->pic.data[0])
avctx->release_buffer(avctx, &c->pic); avctx->release_buffer(avctx, &c->pic);
#if CONFIG_ZLIB #if CONFIG_ZLIB
inflateEnd(&(c->zstream)); inflateEnd(&c->zstream);
#endif #endif
return 0; return 0;