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add support for decoding SEEKTABLE block

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This commit is contained in:
Josh Coalson
2001-04-05 21:32:54 +00:00
parent 5114dbd52f
commit c076ba51bf
2 changed files with 69 additions and 29 deletions
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5
src/libFLAC/file_decoder.c
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@@ -39,6 +39,7 @@ typedef struct FLAC__FileDecoderPrivate {
byte computed_md5sum[16]; /* this is the sum we computed from the decoded data */
/* the rest of these are only used for seeking: */
FLAC__StreamMetaData_StreamInfo stream_info; /* we keep this around so we can figure out how to seek quickly */
const FLAC__StreamMetaData_SeekTable *seek_table; /* we hold a pointer to the stream decoder's seek table for the same reason */
FLAC__Frame last_frame; /* holds the info of the last frame we seeked to */
uint64 target_sample;
} FLAC__FileDecoderPrivate;
@@ -105,6 +106,7 @@ FLAC__FileDecoderState FLAC__file_decoder_init(
decoder->guts->stream = 0;
decoder->guts->file = 0;
decoder->guts->filename = 0;
decoder->guts->seek_table = 0;
if(0 == strcmp(filename, "-")) {
decoder->guts->file = stdin;
@@ -373,6 +375,9 @@ void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMe
if(0 == memcmp(file_decoder->guts->stored_md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16))
file_decoder->check_md5 = false;
}
else if(metadata->type == FLAC__METADATA_TYPE_SEEKTABLE) {
file_decoder->guts->seek_table = &metadata->data.seek_table;
}
if(file_decoder->state != FLAC__FILE_DECODER_SEEKING)
file_decoder->guts->metadata_callback(file_decoder, metadata, file_decoder->guts->client_data);
}