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authorSebastian Vater <cdgs.basty@googlemail.com>2010-04-26 22:00:57 +0000
committerCarl Eugen Hoyos <cehoyos@rainbow.studorg.tuwien.ac.at>2010-04-26 22:00:57 +0000
commit687dc3555db2fef2d649374d421ea95eeab93078 (patch)
tree2c142ef5047bc1944bea7b2ae7f1c9b69f4f5642
parent90bc36b063878dfb6035cc71bb546c99d5f1df1c (diff)
downloadffmpeg-687dc3555db2fef2d649374d421ea95eeab93078.tar.gz
Make two functions out of #define hackery.
Patch by Sebastian Vater, cdgs D basty A googlemail Originally committed as revision 22970 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/iff.c45
1 files changed, 31 insertions, 14 deletions
diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index 4b2ef1f920..42e90a5c86 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -87,27 +87,44 @@ static av_cold int decode_init(AVCodecContext *avctx)
}
/**
- * Decode interleaved plane buffer
+ * Decode interleaved plane buffer up to 8bpp
+ * @param dst Destination buffer
+ * @param buf Source buffer
+ * @param buf_size
+ * @param bps bits_per_coded_sample (must be <= 8)
+ * @param plane plane number to decode as
+ */
+static void decodeplane8(uint8_t *dst, const uint8_t *const buf, int buf_size, int bps, int plane)
+{
+ GetBitContext gb;
+ int i, b;
+ init_get_bits(&gb, buf, buf_size * 8);
+ for(i = 0; i < (buf_size * 8 + bps - 1) / bps; i++) {
+ for (b = 0; b < bps; b++) {
+ dst[ i*bps + b ] |= get_bits1(&gb) << plane;
+ }
+ }
+}
+
+/**
+ * Decode interleaved plane buffer up to 24bpp
* @param dst Destination buffer
* @param buf Source buffer
* @param buf_size
* @param bps bits_per_coded_sample
* @param plane plane number to decode as
*/
-#define DECLARE_DECODEPLANE(suffix, type) \
-static void decodeplane##suffix(void *dst, const uint8_t *const buf, int buf_size, int bps, int plane) \
-{ \
- GetBitContext gb; \
- int i, b; \
- init_get_bits(&gb, buf, buf_size * 8); \
- for(i = 0; i < (buf_size * 8 + bps - 1) / bps; i++) { \
- for (b = 0; b < bps; b++) { \
- ((type *)dst)[ i*bps + b ] |= get_bits1(&gb) << plane; \
- } \
- } \
+static void decodeplane32(uint32_t *dst, const uint8_t *const buf, int buf_size, int bps, int plane)
+{
+ GetBitContext gb;
+ int i, b;
+ init_get_bits(&gb, buf, buf_size * 8);
+ for(i = 0; i < (buf_size * 8 + bps - 1) / bps; i++) {
+ for (b = 0; b < bps; b++) {
+ dst[ i*bps + b ] |= get_bits1(&gb) << plane;
+ }
+ }
}
-DECLARE_DECODEPLANE(8, uint8_t)
-DECLARE_DECODEPLANE(32, uint32_t)
static int decode_frame_ilbm(AVCodecContext *avctx,
void *data, int *data_size,