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Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  vf_drawtext: Replace FFmpeg by Libav in license boilerplate.
  mpegaudiodec: remove unusued code and variables
  improved 'edts' atom writing support
  mpegaudio: clean up compute_antialias() definition
  vp8: fix segmentation race during frame-threading.

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-05-31 23:16:26 +02:00
parent 0abbd3adb6 5ac4952a58
commit f6a8ce98a7
4 changed files with 80 additions and 106 deletions
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39
libavcodec/mpegaudiodec_float.c
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@ -22,45 +22,6 @@
#define CONFIG_FLOAT 1
#include "mpegaudiodec.c"
static void compute_antialias_float(MPADecodeContext *s,
GranuleDef *g)
{
float *ptr;
int n, i;
/* we antialias only "long" bands */
if (g->block_type == 2) {
if (!g->switch_point)
return;
/* XXX: check this for 8000Hz case */
n = 1;
} else {
n = SBLIMIT - 1;
}
ptr = g->sb_hybrid + 18;
for(i = n;i > 0;i--) {
float tmp0, tmp1;
float *csa = &csa_table_float[0][0];
#define FLOAT_AA(j)\
tmp0= ptr[-1-j];\
tmp1= ptr[ j];\
ptr[-1-j] = tmp0 * csa[0+4*j] - tmp1 * csa[1+4*j];\
ptr[ j] = tmp0 * csa[1+4*j] + tmp1 * csa[0+4*j];
FLOAT_AA(0)
FLOAT_AA(1)
FLOAT_AA(2)
FLOAT_AA(3)
FLOAT_AA(4)
FLOAT_AA(5)
FLOAT_AA(6)
FLOAT_AA(7)
ptr += 18;
}
}
#if CONFIG_MP1FLOAT_DECODER
AVCodec ff_mp1float_decoder =
{