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decoder/Bridge: make many attributes private

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This commit is contained in:
Max Kellermann 2019-04-05 08:38:40 +02:00
parent 6be3c99876
commit a19eee78c6
2 changed files with 25 additions and 10 deletions
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18
src/decoder/Bridge.hxx
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@ -40,6 +40,7 @@ class DecoderBridge final : public DecoderClient {
public:
DecoderControl &dc;
private:
/**
* For converting input data to the configured audio format.
* nullptr means no conversion necessary.
@ -83,12 +84,14 @@ public:
*/
std::unique_ptr<Tag> song_tag;
public:
/** the last tag received from the stream */
std::unique_ptr<Tag> stream_tag;
/** the last tag received from the decoder plugin */
std::unique_ptr<Tag> decoder_tag;
private:
/** the chunk currently being written to */
MusicChunkPtr current_chunk;
@ -106,11 +109,16 @@ public:
*/
std::exception_ptr error;
public:
DecoderBridge(DecoderControl &_dc, bool _initial_seek_pending,
std::unique_ptr<Tag> _tag) noexcept;
~DecoderBridge() noexcept;
void Reset() noexcept {
error = {};
}
/**
* Should be read operation be cancelled? That is the case when the
* player thread has sent a command such as "STOP".
@ -135,6 +143,16 @@ public:
*/
void FlushChunk() noexcept;
void CheckFlushChunk() {
if (current_chunk != nullptr)
FlushChunk();
}
void CheckRethrowError() {
if (error)
std::rethrow_exception(error);
}
/* virtual methods from DecoderClient */
void Ready(AudioFormat audio_format,
bool seekable, SignedSongTime duration) override;

17
src/decoder/Thread.cxx
View File

@ -210,7 +210,7 @@ decoder_run_stream_plugin(DecoderBridge &bridge, InputStream &is,
if (!decoder_check_plugin(plugin, is, suffix))
return false;
bridge.error = std::exception_ptr();
bridge.Reset();
tried_r = true;
return decoder_stream_decode(plugin, bridge, is);
@ -316,7 +316,7 @@ TryDecoderFile(DecoderBridge &bridge, Path path_fs, const char *suffix,
if (!plugin.SupportsSuffix(suffix))
return false;
bridge.error = std::exception_ptr();
bridge.Reset();
DecoderControl &dc = bridge.dc;
@ -344,7 +344,7 @@ TryContainerDecoder(DecoderBridge &bridge, Path path_fs, const char *suffix,
!plugin.SupportsSuffix(suffix))
return false;
bridge.error = nullptr;
bridge.Reset();
DecoderControl &dc = bridge.dc;
const std::lock_guard<Mutex> protect(dc.mutex);
@ -472,19 +472,16 @@ decoder_run_song(DecoderControl &dc,
AtScopeExit(&bridge) {
/* flush the last chunk */
if (bridge.current_chunk != nullptr)
bridge.FlushChunk();
bridge.CheckFlushChunk();
};
success = DecoderUnlockedRunUri(bridge, uri, path_fs);
}
if (bridge.error) {
/* copy the Error from struct Decoder to
DecoderControl */
std::rethrow_exception(bridge.error);
} else if (success)
bridge.CheckRethrowError();
if (success)
dc.state = DecoderState::STOP;
else {
const char *error_uri = song.GetURI();