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add streaming input support for FLAC

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git-svn-id: https://svn.musicpd.org/mpd/trunk@2912 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Eric Wong 2005-01-29 23:46:06 +00:00
parent fc4dc6c229
commit 0cf6cc4ada
1 changed files with 33 additions and 45 deletions
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78
src/inputPlugins/flac_plugin.c
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@ -43,8 +43,7 @@ typedef struct {
FLAC__uint64 position;
OutputBuffer * cb;
DecoderControl * dc;
InputStream inStream;
char * path;
InputStream * inStream;
ReplayGainInfo * replayGainInfo;
} FlacData;
@ -53,7 +52,7 @@ typedef struct {
int flacSendChunk(FlacData * data);
void flacError(const FLAC__SeekableStreamDecoder *,
FLAC__StreamDecoderErrorStatus, void *);
void flacPrintErroredState(FLAC__SeekableStreamDecoderState state, char * file);
void flacPrintErroredState(FLAC__SeekableStreamDecoderState state);
void flacMetadata(const FLAC__SeekableStreamDecoder *,
const FLAC__StreamMetadata *, void *);
FLAC__StreamDecoderWriteStatus flacWrite(const FLAC__SeekableStreamDecoder *,
@ -69,12 +68,12 @@ FLAC__SeekableStreamDecoderLengthStatus flacLength(
const FLAC__SeekableStreamDecoder *, FLAC__uint64 *, void *);
FLAC__bool flacEOF(const FLAC__SeekableStreamDecoder *, void *);
int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
int flac_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
{
FLAC__SeekableStreamDecoder * flacDec = NULL;
FlacData data;
int status = 1;
int ret =0;
int streamOpen = 0;
data.chunk_length = 0;
data.time = 0;
@ -82,16 +81,9 @@ int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
data.bitRate = 0;
data.cb = cb;
data.dc = dc;
data.inStream = inStream;
data.replayGainInfo = NULL;
data.path = path;
if(openInputStream(&(data.inStream), path)<0) {
ERROR("unable to open flac: %s\n", path);
ret = -1;
goto fail;
}
streamOpen = 1;
if(!(flacDec = FLAC__seekable_stream_decoder_new())) {
ret = -1;
goto fail;
@ -117,10 +109,9 @@ int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
status&=FLAC__seekable_stream_decoder_set_client_data(flacDec,
(void *)&data);
if(!status) {
ERROR("flac problem before init(): %s\n", path);
ERROR("flac problem before init()\n");
flacPrintErroredState(
FLAC__seekable_stream_decoder_get_state(flacDec),
path);
FLAC__seekable_stream_decoder_get_state(flacDec));
ret = -1;
goto fail;
}
@ -128,19 +119,17 @@ int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
if(FLAC__seekable_stream_decoder_init(flacDec)!=
FLAC__STREAM_DECODER_SEARCH_FOR_METADATA)
{
ERROR("flac problem doing init(): %s\n", path);
ERROR("flac problem doing init()\n");
flacPrintErroredState(
FLAC__seekable_stream_decoder_get_state(flacDec),
path);
FLAC__seekable_stream_decoder_get_state(flacDec));
ret = -1;
goto fail;
}
if(!FLAC__seekable_stream_decoder_process_until_end_of_metadata(flacDec)) {
ERROR("flac problem reading metadata: %s\n", path);
ERROR("flac problem reading metadata\n");
flacPrintErroredState(
FLAC__seekable_stream_decoder_get_state(flacDec),
path);
FLAC__seekable_stream_decoder_get_state(flacDec));
ret = -1;
goto fail;
}
@ -173,8 +162,7 @@ int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
/*FLAC__file_decoder_process_until_end_of_file(flacDec);*/
if(!dc->stop) {
flacPrintErroredState(
FLAC__seekable_stream_decoder_get_state(flacDec),
path);
FLAC__seekable_stream_decoder_get_state(flacDec));
FLAC__seekable_stream_decoder_finish(flacDec);
}
/* send last little bit */
@ -197,8 +185,8 @@ int flac_decode(OutputBuffer * cb, DecoderControl *dc, char * path) {
fail:
if(data.replayGainInfo) freeReplayGainInfo(data.replayGainInfo);
if(streamOpen) closeInputStream(&(data.inStream));
closeInputStream(inStream);
if(flacDec) FLAC__seekable_stream_decoder_delete(flacDec);
return ret;
@ -209,7 +197,7 @@ FLAC__SeekableStreamDecoderReadStatus flacRead(
unsigned * bytes, void * fdata) {
FlacData * data = (FlacData *) fdata;
*bytes = readFromInputStream(&(data->inStream),(void *)buf,1,*bytes);
*bytes = readFromInputStream(data->inStream,(void *)buf,1,*bytes);
if(*bytes==0) return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR;
@ -222,7 +210,7 @@ FLAC__SeekableStreamDecoderSeekStatus flacSeek(
{
FlacData * data = (FlacData *) fdata;
if(seekInputStream(&(data->inStream),offset,SEEK_SET)<0) {
if(seekInputStream(data->inStream,offset,SEEK_SET)<0) {
return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
}
@ -235,7 +223,7 @@ FLAC__SeekableStreamDecoderTellStatus flacTell(
{
FlacData * data = (FlacData *) fdata;
*offset = data->inStream.offset;
*offset = (long)(data->inStream->offset);
return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK;
}
@ -246,7 +234,7 @@ FLAC__SeekableStreamDecoderLengthStatus flacLength(
{
FlacData * data = (FlacData *) fdata;
*length = data->inStream.size;
*length = (size_t)(data->inStream->size);
return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK;
}
@ -254,7 +242,7 @@ FLAC__SeekableStreamDecoderLengthStatus flacLength(
FLAC__bool flacEOF(const FLAC__SeekableStreamDecoder * flacDec, void * fdata) {
FlacData * data = (FlacData *) fdata;
switch(inputStreamAtEOF(&(data->inStream))) {
switch(inputStreamAtEOF(data->inStream)) {
case 1:
return true;
default:
@ -270,43 +258,42 @@ void flacError(const FLAC__SeekableStreamDecoder *dec,
switch(status) {
case FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC:
ERROR("flac lost sync: %s\n", data->path);
ERROR("flac lost sync\n");
break;
case FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER:
ERROR("bad header %s\n", data->path);
ERROR("bad header\n");
break;
case FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH:
ERROR("crc mismatch %s\n", data->path);
ERROR("crc mismatch\n");
break;
default:
ERROR("unknown flac error %s\n", data->path);
ERROR("unknown flac error\n");
}
}
void flacPrintErroredState(FLAC__SeekableStreamDecoderState state,
char * file)
void flacPrintErroredState(FLAC__SeekableStreamDecoderState state)
{
switch(state) {
case FLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
ERROR("flac allocation error\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_READ_ERROR:
ERROR("flac read error: %s\n",file);
ERROR("flac read error\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR:
ERROR("flac seek error: %s\n",file);
ERROR("flac seek error\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR:
ERROR("flac seekable stream error: %s\n",file);
ERROR("flac seekable stream error\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED:
ERROR("flac decoder already initialized: %s\n",file);
ERROR("flac decoder already initialized\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
ERROR("invalid flac callback\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
ERROR("flac decoder uninitialized: %s\n",file);
ERROR("flac decoder uninitialized\n");
break;
case FLAC__SEEKABLE_STREAM_DECODER_OK:
case FLAC__SEEKABLE_STREAM_DECODER_SEEKING:
@ -567,18 +554,19 @@ MpdTag * flacTagDup(char * file) {
}
char * flacSuffixes[] = {"flac", NULL};
char * flac_mime_types[] = {"application/x-flac", NULL};
InputPlugin flacPlugin =
{
"flac",
NULL,
NULL,
NULL,
flac_decode,
NULL,
flacTagDup,
INPUT_PLUGIN_STREAM_FILE,
INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
flacSuffixes,
NULL
flac_mime_types
};
#else