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-rw-r--r--src/codecs/include/codec.hpp90
1 files changed, 46 insertions, 44 deletions
diff --git a/src/codecs/include/codec.hpp b/src/codecs/include/codec.hpp
index 99e786d5..8e82bd71 100644
--- a/src/codecs/include/codec.hpp
+++ b/src/codecs/include/codec.hpp
@@ -8,51 +8,53 @@
namespace codecs {
- enum CreateCodecError {
- UNKNOWN_EXTENSION
+enum CreateCodecError { UNKNOWN_EXTENSION };
+
+auto CreateCodecForFile(const std::string& extension)
+ -> cpp::result<std::unique_ptr<ICodec>, CreateCodecError>;
+
+class ICodec {
+ public:
+ virtual ~ICodec() {}
+
+ virtual auto CanHandleFile(const std::string& path) -> bool = 0;
+
+ struct OutputFormat {
+ uint8_t num_channels;
+ uint8_t bits_per_sample;
+ int sample_rate_hz;
};
- auto CreateCodecForExtension(std::string extension) -> cpp::result<std::unique_ptr<ICodec>, CreateCodecError>;
-
- class ICodec {
- public:
- virtual ~ICodec() {}
-
- virtual auto CanHandleExtension(std::string extension) -> bool = 0;
-
- struct OutputFormat {
- uint8_t num_channels;
- uint8_t bits_per_sample;
- int sample_rate_hz;
- };
-
- virtual auto GetOutputFormat() -> OutputFormat = 0;
-
- enum Error {};
-
- struct Result {
- bool need_more_input;
- /*
- * For need_more_input, this is how far we got in the input buffer
- * before we were unable to process more data. Any remaining data in the
- * buffer should be moved to the start before the next call.
- */
- std::size_t input_processed;
-
- bool flush_output;
- /*
- * For flush_output, this is how far we got in the output buffer before
- * we ran out of space for samples. The caller should flush this many
- * bytes downstream.
- */
- std::size_t output_written;
- };
-
- virtual auto Process(
- uint8_t *input,
- std::size_t input_len,
- uint8_t *output,
- std::size_t output_length) -> cpp::result<Result, Error> = 0;
+ virtual auto GetOutputFormat() -> OutputFormat = 0;
+
+ enum ProcessingError {};
+
+ struct Result {
+ bool need_more_input;
+ /*
+ * For need_more_input, this is how far we got in the input buffer
+ * before we were unable to process more data. Any remaining data in the
+ * buffer should be moved to the start before the next call.
+ */
+ std::size_t input_processed;
+
+ bool flush_output;
+ /*
+ * For flush_output, this is how far we got in the output buffer before
+ * we ran out of space for samples. The caller should flush this many
+ * bytes downstream.
+ */
+ std::size_t output_written;
};
-} // namespace codecs
+ virtual auto ResetForNewStream() -> void = 0;
+
+ virtual auto SetInput(uint8_t* buffer, std::size_t length) = 0;
+ virtual auto Process(uint8_t* output, std::size_t output_length)
+ -> cpp::result<size_t, Error> = 0;
+
+ virtual auto GetOutputProcessed() -> std::size_t;
+ = 0;
+};
+
+} // namespace codecs