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add functionality to specify which metadata blocks are parsed and sent back through metadata_callback, and which are ignored

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This commit is contained in:
Josh Coalson
2002-05-07 05:30:27 +00:00
parent ce9459f4cb
commit bf9325f2f2
6 changed files with 510 additions and 19 deletions
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9
include/FLAC/file_decoder.h
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@@ -105,6 +105,15 @@ FLAC__bool FLAC__file_decoder_set_write_callback(const FLAC__FileDecoder *decode
FLAC__bool FLAC__file_decoder_set_metadata_callback(const FLAC__FileDecoder *decoder, void (*value)(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data));
FLAC__bool FLAC__file_decoder_set_error_callback(const FLAC__FileDecoder *decoder, void (*value)(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data));
FLAC__bool FLAC__file_decoder_set_client_data(const FLAC__FileDecoder *decoder, void *value);
/*
* See the comments for the equivalent functions in stream_decoder.h
*/
FLAC__bool FLAC__file_decoder_set_metadata_respond(const FLAC__FileDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__file_decoder_set_metadata_respond_application(const FLAC__FileDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__file_decoder_set_metadata_respond_all(const FLAC__FileDecoder *decoder);
FLAC__bool FLAC__file_decoder_set_metadata_ignore(const FLAC__FileDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__file_decoder_set_metadata_ignore_application(const FLAC__FileDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__file_decoder_set_metadata_ignore_all(const FLAC__FileDecoder *decoder);
/*
* Various "get" methods

9
include/FLAC/seekable_stream_decoder.h
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@@ -136,6 +136,15 @@ FLAC__bool FLAC__seekable_stream_decoder_set_write_callback(const FLAC__Seekable
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_callback(const FLAC__SeekableStreamDecoder *decoder, void (*value)(const FLAC__SeekableStreamDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data));
FLAC__bool FLAC__seekable_stream_decoder_set_error_callback(const FLAC__SeekableStreamDecoder *decoder, void (*value)(const FLAC__SeekableStreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data));
FLAC__bool FLAC__seekable_stream_decoder_set_client_data(const FLAC__SeekableStreamDecoder *decoder, void *value);
/*
* See the comments for the equivalent functions in stream_decoder.h
*/
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_respond(const FLAC__SeekableStreamDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_respond_application(const FLAC__SeekableStreamDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_respond_all(const FLAC__SeekableStreamDecoder *decoder);
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_ignore(const FLAC__SeekableStreamDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_ignore_application(const FLAC__SeekableStreamDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__seekable_stream_decoder_set_metadata_ignore_all(const FLAC__SeekableStreamDecoder *decoder);
/*
* Various "get" methods

20
include/FLAC/stream_decoder.h
View File

@@ -123,6 +123,26 @@ FLAC__bool FLAC__stream_decoder_set_write_callback(const FLAC__StreamDecoder *de
FLAC__bool FLAC__stream_decoder_set_metadata_callback(const FLAC__StreamDecoder *decoder, void (*value)(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data));
FLAC__bool FLAC__stream_decoder_set_error_callback(const FLAC__StreamDecoder *decoder, void (*value)(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data));
FLAC__bool FLAC__stream_decoder_set_client_data(const FLAC__StreamDecoder *decoder, void *value);
/*
* These deserve special attention. By default, the decoder only calls the
* metadata_callback for the STREAMINFO block. These functions allow you to
* tell the decoder explicitly which blocks to parse and return via the
* metadata_callback and/or which to skip. Use a _respond_all(), _ignore() ...
* or _ignore_all(), _respond() ... sequence to exactly specify which blocks
* to return. Remember that some metadata blocks can be big so filtering out
* the ones you don't use can reduce the memory requirements of the decoder.
* Also note the special forms _respond/_ignore_application(id) for filtering
* APPLICATION blocks based on the application ID.
*
* STREAMINFO and SEEKTABLE blocks are always parsed and used internally, but
* they still can legally be filtered from the metadata_callback here.
*/
FLAC__bool FLAC__stream_decoder_set_metadata_respond(const FLAC__StreamDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__stream_decoder_set_metadata_respond_application(const FLAC__StreamDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__stream_decoder_set_metadata_respond_all(const FLAC__StreamDecoder *decoder);
FLAC__bool FLAC__stream_decoder_set_metadata_ignore(const FLAC__StreamDecoder *decoder, FLAC__MetaDataType type);
FLAC__bool FLAC__stream_decoder_set_metadata_ignore_application(const FLAC__StreamDecoder *decoder, FLAC__byte id[4]);
FLAC__bool FLAC__stream_decoder_set_metadata_ignore_all(const FLAC__StreamDecoder *decoder);
/*
* Methods to return the current stream decoder state, number