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mp3: moved num_samples calculation out of the loop

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The previous patch removed all loop specific dependencies from the
num_samples formula; we can now calculate it before entering the loop.
This commit is contained in:
Max Kellermann 2008-08-26 08:27:13 +02:00
parent 3f55b5a1e4
commit 2a9608536c
1 changed files with 7 additions and 5 deletions
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12
src/inputPlugins/mp3_plugin.c
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@ -830,7 +830,7 @@ static int openMp3FromInputStream(InputStream * inStream, mp3DecodeData * data,
static int mp3Read(mp3DecodeData * data, struct decoder *decoder,
ReplayGainInfo ** replayGainInfo)
{
unsigned int pcm_length;
unsigned int pcm_length, max_samples;
unsigned int i;
int ret;
int skip;
@ -922,12 +922,14 @@ static int mp3Read(mp3DecodeData * data, struct decoder *decoder,
pcm_length -= data->dropSamplesAtEnd;
}
max_samples = sizeof(data->outputBuffer) /
(2 * MAD_NCHANNELS(&(data->frame).header));
while (i < pcm_length) {
enum decoder_command cmd;
unsigned int num_samples = sizeof(data->outputBuffer) /
(2 * MAD_NCHANNELS(&(data->frame).header));
if (num_samples > pcm_length - i)
num_samples = pcm_length - i;
unsigned int num_samples = pcm_length - i;
if (num_samples > max_samples)
num_samples = max_samples;
i += num_samples;