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Code Issues Releases Activity

avfilter/af_surround: move upmix before irdft

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This commit is contained in:
Paul B Mahol 2022-11-16 20:06:45 +01:00
parent d770403cac
commit 404c2955b1
1 changed files with 7 additions and 5 deletions
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12
libavfilter/af_surround.c
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@ -121,7 +121,7 @@ typedef struct AudioSurroundContext {
float *window_func_lut;
void (*filter)(AVFilterContext *ctx);
int (*upmix)(AVFilterContext *ctx, void *arg, int ch, int nb_jobs);
int (*upmix)(AVFilterContext *ctx, int ch);
void (*upmix_2_1)(AVFilterContext *ctx,
float l_phase,
float r_phase,
@ -439,7 +439,7 @@ static inline void get_lfe(int output_lfe, int n, float lowcut, float highcut,
dst[2 * n ] = mag * cosf(ph); \
dst[2 * n + 1] = mag * sinf(ph);
static int stereo_upmix(AVFilterContext *ctx, void *arg, int ch, int nb_jobs)
static int stereo_upmix(AVFilterContext *ctx, int ch)
{
AudioSurroundContext *s = ctx->priv;
float *dst = (float *)s->output->extended_data[ch];
@ -1301,12 +1301,16 @@ static int ifft_channel(AVFilterContext *ctx, AVFrame *out, int ch)
static int ifft_channels(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
AudioSurroundContext *s = ctx->priv;
AVFrame *out = arg;
const int start = (out->ch_layout.nb_channels * jobnr) / nb_jobs;
const int end = (out->ch_layout.nb_channels * (jobnr+1)) / nb_jobs;
for (int ch = start; ch < end; ch++)
for (int ch = start; ch < end; ch++) {
if (s->upmix)
s->upmix(ctx, ch);
ifft_channel(ctx, out, ch);
}
return 0;
}
@ -1323,8 +1327,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
ff_filter_get_nb_threads(ctx)));
s->filter(ctx);
if (s->upmix)
ff_filter_execute(ctx, s->upmix, NULL, NULL, outlink->ch_layout.nb_channels);
out = ff_get_audio_buffer(outlink, s->hop_size);
if (!out)