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avfilter/src_avsynctest: fix beep amplitude scaling

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This commit is contained in:
Paul B Mahol 2023-05-10 11:34:31 +02:00
parent b5af451901
commit 5e7042fa31
1 changed files with 4 additions and 3 deletions
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7
libavfilter/src_avsynctest.c
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@ -170,7 +170,7 @@ static av_cold int config_props(AVFilterLink *outlink)
#define FPI 0x8000 #define FPI 0x8000
static int32_t sin32(int32_t x, int shift) static int32_t sin32(int32_t x, AVRational scale)
{ {
const double pi = M_PI; const double pi = M_PI;
const int32_t a = ((2.0 * pi) * (1 << 24)); const int32_t a = ((2.0 * pi) * (1 << 24));
@ -194,7 +194,8 @@ static int32_t sin32(int32_t x, int shift)
result = a + t2; result = a + t2;
result *= x; result *= x;
result += (1U << 31); result += (1U << 31);
result >>= (32 - shift); result >>= 17;
result = av_rescale(result, scale.num, scale.den);
return result; return result;
} }
@ -203,7 +204,7 @@ static int audio_frame(AVFilterLink *outlink)
{ {
AVFilterContext *ctx = outlink->src; AVFilterContext *ctx = outlink->src;
AVSyncTestContext *s = ctx->priv; AVSyncTestContext *s = ctx->priv;
const int a = lrintf(s->amplitude * 15); const AVRational a = av_d2q(s->amplitude, 32768);
int64_t duration[2]; int64_t duration[2];
int64_t delta; int64_t delta;
AVFrame *out; AVFrame *out;