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resampler: round up when estimating input/output sizes

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This commit is contained in:
Lennart Poettering 2009-08-14 04:21:09 +02:00
parent 9e21182e01
commit fecd0dc801
1 changed files with 6 additions and 2 deletions
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8
src/pulsecore/resampler.c
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@ -347,13 +347,17 @@ void pa_resampler_set_output_rate(pa_resampler *r, uint32_t rate) {
size_t pa_resampler_request(pa_resampler *r, size_t out_length) { size_t pa_resampler_request(pa_resampler *r, size_t out_length) {
pa_assert(r); pa_assert(r);
return (((out_length / r->o_fz)*r->i_ss.rate)/r->o_ss.rate) * r->i_fz; /* Let's round up here */
return (((((out_length + r->o_fz-1) / r->o_fz) * r->i_ss.rate) + r->o_ss.rate-1) / r->o_ss.rate) * r->i_fz;
} }
size_t pa_resampler_result(pa_resampler *r, size_t in_length) { size_t pa_resampler_result(pa_resampler *r, size_t in_length) {
pa_assert(r); pa_assert(r);
return (((in_length / r->i_fz)*r->o_ss.rate)/r->i_ss.rate) * r->o_fz; /* Let's round up here */
return (((((in_length + r->i_fz-1) / r->i_fz) * r->o_ss.rate) + r->i_ss.rate-1) / r->i_ss.rate) * r->o_fz;
} }
size_t pa_resampler_max_block_size(pa_resampler *r) { size_t pa_resampler_max_block_size(pa_resampler *r) {