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mpegaudiodec, mpc and qdm2 all use the same mpa_synth window, so make

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them use the same variable/global storage.
Saves 4 kB in .bss.

Originally committed as revision 20314 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-10-19 17:21:02 +00:00
parent 8767fb4cad
commit 9adcccde0c
4 changed files with 8 additions and 11 deletions
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6
libavcodec/qdm2.c
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@ -219,8 +219,6 @@ static uint8_t random_dequant_index[256][5];
static uint8_t random_dequant_type24[128][3];
static float noise_samples[128];
static DECLARE_ALIGNED_16(MPA_INT, mpa_window[512]);
static av_cold void softclip_table_init(void) {
int i;
@ -1684,7 +1682,7 @@ static void qdm2_synthesis_filter (QDM2Context *q, int index)
for (i = 0; i < 8; i++) {
ff_mpa_synth_filter(q->synth_buf[ch], &(q->synth_buf_offset[ch]),
mpa_window, &dither_state,
ff_mpa_synth_window, &dither_state,
samples_ptr, q->nb_channels,
q->sb_samples[ch][(8 * index) + i]);
samples_ptr += 32 * q->nb_channels;
@ -1713,7 +1711,7 @@ static av_cold void qdm2_init(QDM2Context *q) {
initialized = 1;
qdm2_init_vlc();
ff_mpa_synth_init(mpa_window);
ff_mpa_synth_init(ff_mpa_synth_window);
softclip_table_init();
rnd_table_init();
init_noise_samples();