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decoder/flac: don't use float to calculate song duration 

Simple (up-rounding) integer division is good enough.  We're casting
the result back to an integer anyway.
This commit is contained in:
Max Kellermann 2009-11-10 22:03:58 +01:00
parent e51d9fc6a9
commit c1a999c492
3 changed files with 10 additions and 8 deletions
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7
src/decoder/_flac_common.h
View File

@ -159,6 +159,13 @@ struct flac_data {
struct tag *tag;
};
static inline unsigned
flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info)
{
return (stream_info->total_samples + stream_info->sample_rate - 1) /
stream_info->sample_rate;
}
/* initializes a given FlacData struct */
void
flac_data_init(struct flac_data *data, struct decoder * decoder,

7
src/decoder/flac_plugin.c
View File

@ -272,8 +272,7 @@ flac_tag_load(const char *file, const char *char_tnum)
flac_vorbis_comments_to_tag(tag, char_tnum,
&block->data.vorbis_comment);
} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
tag->time = ((float)block->data.stream_info.total_samples) /
block->data.stream_info.sample_rate + 0.5;
tag->time = flac_duration(&block->data.stream_info);
}
FLAC__metadata_object_delete(block);
} while (FLAC__metadata_simple_iterator_next(it));
@ -853,9 +852,7 @@ oggflac_tag_dup(const char *file)
flac_vorbis_comments_to_tag(ret, NULL,
&block->data.vorbis_comment);
} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
ret->time = ((float)block->data.stream_info.
total_samples) /
block->data.stream_info.sample_rate + 0.5;
ret->time = flac_duration(&block->data.stream_info);
}
} while (FLAC__metadata_iterator_next(it));
FLAC__metadata_iterator_delete(it);

4
src/decoder/oggflac_plugin.c
View File

@ -172,9 +172,7 @@ static void of_metadata_dup_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecode
switch (block->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
data->tag->time = ((float)block->data.stream_info.
total_samples) /
block->data.stream_info.sample_rate + 0.5;
data->tag->time = flac_duration(&block->data.stream_info);
return;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
flac_vorbis_comments_to_tag(data->tag, NULL,