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decoder/dsdiff: use integer seek times

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This commit is contained in:
Max Kellermann 2014-08-26 21:53:50 +02:00
parent 93858bf262
commit 6bf8d5b936
1 changed files with 4 additions and 11 deletions
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15
src/decoder/plugins/DsdiffDecoderPlugin.cxx
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@ -351,15 +351,9 @@ bit_reverse_buffer(uint8_t *p, uint8_t *end)
} }
static offset_type static offset_type
TimeToFrame(double t, unsigned sample_rate) FrameToOffset(uint64_t frame, unsigned channels)
{ {
return offset_type(t * sample_rate / 8); return frame * channels;
}
static offset_type
TimeToOffset(double t, unsigned channels, unsigned sample_rate)
{
return TimeToFrame(t, sample_rate) * channels;
} }
/** /**
@ -383,9 +377,8 @@ dsdiff_decode_chunk(Decoder &decoder, InputStream &is,
for (offset_type remaining_bytes = total_bytes; for (offset_type remaining_bytes = total_bytes;
remaining_bytes >= frame_size && cmd != DecoderCommand::STOP;) { remaining_bytes >= frame_size && cmd != DecoderCommand::STOP;) {
if (cmd == DecoderCommand::SEEK) { if (cmd == DecoderCommand::SEEK) {
double t = decoder_seek_where(decoder); uint64_t frame = decoder_seek_where_frame(decoder);
offset_type offset = TimeToOffset(t, channels, offset_type offset = FrameToOffset(frame, channels);
sample_rate);
if (offset >= total_bytes) { if (offset >= total_bytes) {
decoder_command_finished(decoder); decoder_command_finished(decoder);
break; break;