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authorJustin Ruggles <justin.ruggles@gmail.com>2010-12-30 22:13:30 +0000
committerJustin Ruggles <justin.ruggles@gmail.com>2010-12-30 22:13:30 +0000
commit14166a6d6cad8759642ef50a21b4e259d40fee95 (patch)
tree18de0f56708e9c047583f6e0c0f95081ced91148
parente0698e4bbd3b7e444f0f4347cd9fbf6b5b400fc0 (diff)
downloadffmpeg-14166a6d6cad8759642ef50a21b4e259d40fee95.tar.gz
Remove avctx from AC3MDCTContext and just pass it to mdct_init() instead.
Originally committed as revision 26170 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/ac3enc.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c
index c8fbeee40a..9218ca674f 100644
--- a/libavcodec/ac3enc.c
+++ b/libavcodec/ac3enc.c
@@ -56,7 +56,6 @@ typedef struct IComplex {
} IComplex;
typedef struct AC3MDCTContext {
- AVCodecContext *avctx; ///< parent context for av_log()
int nbits; ///< log2(transform size)
int16_t *costab; ///< FFT cos table
int16_t *sintab; ///< FFT sin table
@@ -222,7 +221,7 @@ static av_cold void mdct_end(AC3MDCTContext *mdct)
* Initialize FFT tables.
* @param ln log2(FFT size)
*/
-static av_cold int fft_init(AC3MDCTContext *mdct, int ln)
+static av_cold int fft_init(AVCodecContext *avctx, AC3MDCTContext *mdct, int ln)
{
int i, n, n2;
float alpha;
@@ -230,9 +229,9 @@ static av_cold int fft_init(AC3MDCTContext *mdct, int ln)
n = 1 << ln;
n2 = n >> 1;
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->costab, n2 * sizeof(*mdct->costab),
+ FF_ALLOC_OR_GOTO(avctx, mdct->costab, n2 * sizeof(*mdct->costab),
fft_alloc_fail);
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->sintab, n2 * sizeof(*mdct->sintab),
+ FF_ALLOC_OR_GOTO(avctx, mdct->sintab, n2 * sizeof(*mdct->sintab),
fft_alloc_fail);
for (i = 0; i < n2; i++) {
@@ -252,7 +251,7 @@ fft_alloc_fail:
* Initialize MDCT tables.
* @param nbits log2(MDCT size)
*/
-static av_cold int mdct_init(AC3MDCTContext *mdct, int nbits)
+static av_cold int mdct_init(AVCodecContext *avctx, AC3MDCTContext *mdct, int nbits)
{
int i, n, n4, ret;
@@ -261,17 +260,17 @@ static av_cold int mdct_init(AC3MDCTContext *mdct, int nbits)
mdct->nbits = nbits;
- ret = fft_init(mdct, nbits - 2);
+ ret = fft_init(avctx, mdct, nbits - 2);
if (ret)
return ret;
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->xcos1, n4 * sizeof(*mdct->xcos1),
+ FF_ALLOC_OR_GOTO(avctx, mdct->xcos1, n4 * sizeof(*mdct->xcos1),
mdct_alloc_fail);
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->xsin1 , n4 * sizeof(*mdct->xsin1),
+ FF_ALLOC_OR_GOTO(avctx, mdct->xsin1, n4 * sizeof(*mdct->xsin1),
mdct_alloc_fail);
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->rot_tmp, n * sizeof(*mdct->rot_tmp),
+ FF_ALLOC_OR_GOTO(avctx, mdct->rot_tmp, n * sizeof(*mdct->rot_tmp),
mdct_alloc_fail);
- FF_ALLOC_OR_GOTO(mdct->avctx, mdct->cplx_tmp, n4 * sizeof(*mdct->cplx_tmp),
+ FF_ALLOC_OR_GOTO(avctx, mdct->cplx_tmp, n4 * sizeof(*mdct->cplx_tmp),
mdct_alloc_fail);
for (i = 0; i < n4; i++) {
@@ -1935,8 +1934,7 @@ static av_cold int ac3_encode_init(AVCodecContext *avctx)
bit_alloc_init(s);
- s->mdct.avctx = avctx;
- ret = mdct_init(&s->mdct, 9);
+ ret = mdct_init(avctx, &s->mdct, 9);
if (ret)
goto init_fail;