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mpc7/8: use planar sample format

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This commit is contained in:
Justin Ruggles
2012-08-28 09:11:45 -04:00
parent 3fca0d7210
commit 1a3459033d
4 changed files with 15 additions and 14 deletions
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libavcodec/mpc.c
+5 -9
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@@ -43,28 +43,24 @@ void ff_mpc_init(void)
/**
* Process decoded Musepack data and produce PCM
*/
static void mpc_synth(MPCContext *c, int16_t *out, int channels)
static void mpc_synth(MPCContext *c, int16_t **out, int channels)
{
int dither_state = 0;
int i, ch;
OUT_INT samples[MPA_MAX_CHANNELS * MPA_FRAME_SIZE], *samples_ptr;
for(ch = 0; ch < channels; ch++){
samples_ptr = samples + ch;
for(i = 0; i < SAMPLES_PER_BAND; i++) {
ff_mpa_synth_filter_fixed(&c->mpadsp,
c->synth_buf[ch], &(c->synth_buf_offset[ch]),
ff_mpa_synth_window_fixed, &dither_state,
samples_ptr, channels,
out[ch] + 32 * i, 1,
c->sb_samples[ch][i]);
samples_ptr += 32 * channels;
}
}
for(i = 0; i < MPC_FRAME_SIZE*channels; i++)
*out++=samples[i];
}
void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, void *data, int channels)
void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, int16_t **out,
int channels)
{
int i, j, ch;
Band *bands = c->bands;
@@ -100,5 +96,5 @@ void ff_mpc_dequantize_and_synth(MPCContext * c, int maxband, void *data, int ch
}
}
mpc_synth(c, data, channels);
mpc_synth(c, out, channels);
}