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fix status enum, more rigorous setting of defaults, add inherited get methods from stream decoder

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This commit is contained in:
Josh Coalson
2002-06-04 06:02:56 +00:00
parent a92f6005ef
commit 947065afe7
1 changed files with 110 additions and 28 deletions
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138
src/libFLAC/seekable_stream_decoder.c
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@@ -31,6 +31,7 @@
*
***********************************************************************/
static void seekable_stream_decoder_set_defaults_(FLAC__SeekableStreamDecoder *decoder);
static FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data);
static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *buffer[], void *client_data);
static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data);
@@ -84,23 +85,23 @@ const char *FLAC__SeekableStreamDecoderStateString[] = {
};
const char *FLAC__SeekableStreamDecoderReadStatusString[] = {
"FLAC__STREAM_DECODER_READ_STATUS_OK",
"FLAC__STREAM_DECODER_READ_STATUS_ERROR"
"FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK",
"FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR"
};
const char *FLAC__SeekableStreamDecoderSeekStatusString[] = {
"FLAC__STREAM_DECODER_SEEK_STATUS_OK",
"FLAC__STREAM_DECODER_SEEK_STATUS_ERROR"
"FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK",
"FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR"
};
const char *FLAC__SeekableStreamDecoderTellStatusString[] = {
"FLAC__STREAM_DECODER_TELL_STATUS_OK",
"FLAC__STREAM_DECODER_TELL_STATUS_ERROR"
"FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK",
"FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR"
};
const char *FLAC__SeekableStreamDecoderLengthStatusString[] = {
"FLAC__STREAM_DECODER_LENGTH_STATUS_OK",
"FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR"
"FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK",
"FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR"
};
/***********************************************************************
@@ -140,20 +141,10 @@ FLAC__SeekableStreamDecoder *FLAC__seekable_stream_decoder_new()
return 0;
}
seekable_stream_decoder_set_defaults_(decoder);
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED;
decoder->private_->read_callback = 0;
decoder->private_->seek_callback = 0;
decoder->private_->tell_callback = 0;
decoder->private_->length_callback = 0;
decoder->private_->eof_callback = 0;
decoder->private_->write_callback = 0;
decoder->private_->metadata_callback = 0;
decoder->private_->error_callback = 0;
decoder->private_->client_data = 0;
decoder->protected_->md5_checking = false;
return decoder;
}
@@ -239,6 +230,8 @@ FLAC__bool FLAC__seekable_stream_decoder_finish(FLAC__SeekableStreamDecoder *dec
md5_failed = true;
}
seekable_stream_decoder_set_defaults_(decoder);
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED;
return !md5_failed;
@@ -433,6 +426,80 @@ FLAC__bool FLAC__seekable_stream_decoder_get_md5_checking(const FLAC__SeekableSt
return decoder->protected_->md5_checking;
}
unsigned FLAC__seekable_stream_decoder_get_channels(const FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
return FLAC__stream_decoder_get_channels(decoder->private_->stream_decoder);
}
FLAC__ChannelAssignment FLAC__seekable_stream_decoder_get_channel_assignment(const FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
return FLAC__stream_decoder_get_channel_assignment(decoder->private_->stream_decoder);
}
unsigned FLAC__seekable_stream_decoder_get_bits_per_sample(const FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
return FLAC__stream_decoder_get_bits_per_sample(decoder->private_->stream_decoder);
}
unsigned FLAC__seekable_stream_decoder_get_sample_rate(const FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
return FLAC__stream_decoder_get_sample_rate(decoder->private_->stream_decoder);
}
unsigned FLAC__seekable_stream_decoder_get_blocksize(const FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
return FLAC__stream_decoder_get_blocksize(decoder->private_->stream_decoder);
}
FLAC__bool FLAC__seekable_stream_decoder_flush(FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
FLAC__ASSERT(decoder->protected_ != 0);
decoder->protected_->md5_checking = false;
if(!FLAC__stream_decoder_flush(decoder->private_->stream_decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
return true;
}
FLAC__bool FLAC__seekable_stream_decoder_reset(FLAC__SeekableStreamDecoder *decoder)
{
FLAC__ASSERT(decoder != 0);
FLAC__ASSERT(decoder->private_ != 0);
FLAC__ASSERT(decoder->protected_ != 0);
if(!FLAC__seekable_stream_decoder_flush(decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
if(!FLAC__stream_decoder_reset(decoder->private_->stream_decoder)) {
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR;
return false;
}
decoder->private_->seek_table = 0;
decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_OK;
return true;
}
FLAC__bool FLAC__seekable_stream_decoder_process_whole_stream(FLAC__SeekableStreamDecoder *decoder)
{
FLAC__bool ret;
@@ -557,35 +624,50 @@ FLAC__bool FLAC__seekable_stream_decoder_seek_absolute(FLAC__SeekableStreamDecod
*
***********************************************************************/
void seekable_stream_decoder_set_defaults_(FLAC__SeekableStreamDecoder *decoder)
{
decoder->private_->read_callback = 0;
decoder->private_->seek_callback = 0;
decoder->private_->tell_callback = 0;
decoder->private_->length_callback = 0;
decoder->private_->eof_callback = 0;
decoder->private_->write_callback = 0;
decoder->private_->metadata_callback = 0;
decoder->private_->error_callback = 0;
decoder->private_->client_data = 0;
decoder->protected_->md5_checking = false;
}
FLAC__StreamDecoderReadStatus read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
{
FLAC__SeekableStreamDecoder *seekable_stream_decoder = (FLAC__SeekableStreamDecoder *)client_data;
(void)decoder;
if(seekable_stream_decoder->private_->eof_callback(seekable_stream_decoder, seekable_stream_decoder->private_->client_data)) {
seekable_stream_decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM;
return FLAC__STREAM_DECODER_READ_END_OF_STREAM;
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
}
else if(*bytes > 0) {
unsigned bytes_read = *bytes;
if(seekable_stream_decoder->private_->read_callback(seekable_stream_decoder, buffer, &bytes_read, seekable_stream_decoder->private_->client_data) != FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK) {
seekable_stream_decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_READ_ERROR;
return FLAC__STREAM_DECODER_READ_ABORT;
return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
}
if(bytes_read == 0) {
if(seekable_stream_decoder->private_->eof_callback(seekable_stream_decoder, seekable_stream_decoder->private_->client_data)) {
seekable_stream_decoder->protected_->state = FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM;
return FLAC__STREAM_DECODER_READ_END_OF_STREAM;
return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
}
else
return FLAC__STREAM_DECODER_READ_CONTINUE;
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
else {
*bytes = bytes_read;
return FLAC__STREAM_DECODER_READ_CONTINUE;
return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
}
}
else
return FLAC__STREAM_DECODER_READ_ABORT; /* abort to avoid a deadlock */
return FLAC__STREAM_DECODER_READ_STATUS_ABORT; /* abort to avoid a deadlock */
}
FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 *buffer[], void *client_data)
@@ -622,13 +704,13 @@ FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decode
}
}
else {
return FLAC__STREAM_DECODER_WRITE_CONTINUE;
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
}
else {
if(seekable_stream_decoder->protected_->md5_checking) {
if(!FLAC__MD5Accumulate(&seekable_stream_decoder->private_->md5context, buffer, frame->header.channels, frame->header.blocksize, (frame->header.bits_per_sample+7) / 8))
return FLAC__STREAM_DECODER_WRITE_ABORT;
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
}
return seekable_stream_decoder->private_->write_callback(seekable_stream_decoder, frame, buffer, seekable_stream_decoder->private_->client_data);
}