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Build system cleanup. Platform dependent plugins moved to "plugins" subdirectories.
This commit is contained in:
Grigory Chudov
126
CUETools.Codecs.HDCD/HDCDDLL.cs
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126
CUETools.Codecs.HDCD/HDCDDLL.cs
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using System;
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using System.Runtime.InteropServices;
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namespace CUETools.Codecs.HDCD
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{
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internal static class HDCDDLL
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{
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internal const string DllName = "hdcd";
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[DllImport("kernel32.dll")]
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private static extern IntPtr LoadLibrary(string dllToLoad);
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[DllImport("kernel32.dll")]
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public static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);
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internal delegate bool hdcd_decoder_write_callback(IntPtr decoder, IntPtr buffer, int samples, IntPtr client_data);
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[DllImport(DllName)]
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internal static extern IntPtr hdcd_decoder_new();
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[DllImport(DllName)]
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internal static extern void hdcd_decoder_delete(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern hdcd_decoder_state hdcd_decoder_get_state(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_set_num_channels(IntPtr decoder, Int16 num_channels);
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//HDCD_API uint16_t hdcd_decoder_get_num_channels(const hdcd_decoder *const _decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_set_sample_rate(IntPtr decoder, Int32 sample_rate);
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//HDCD_API uint32_t hdcd_decoder_get_sample_rate(const hdcd_decoder *const _decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_set_input_bps(IntPtr decoder, Int16 input_bps);
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//HDCD_API uint16_t hdcd_decoder_get_input_bps(const hdcd_decoder *const _decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_set_output_bps(IntPtr decoder, Int16 output_bps);
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//HDCD_API uint16_t hdcd_decoder_get_output_bps(const hdcd_decoder *const _decoder);
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[DllImport(DllName)]
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internal static extern hdcd_decoder_init_status hdcd_decoder_init(IntPtr decoder, IntPtr unused, hdcd_decoder_write_callback write_callback, IntPtr client_data);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_finish(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_process_buffer_interleaved(IntPtr decoder, [In, Out] int[,] input_buffer, Int32 samples);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_flush_buffer(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_reset(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern bool hdcd_decoder_detected_hdcd(IntPtr decoder);
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[DllImport(DllName)]
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internal static extern IntPtr hdcd_decoder_get_statistics(IntPtr decoder);
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static HDCDDLL()
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{
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var myPath = new Uri(typeof(HDCDDLL).Assembly.CodeBase).LocalPath;
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var myFolder = System.IO.Path.GetDirectoryName(myPath);
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var is64 = IntPtr.Size == 8;
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var subfolder = is64 ? "x64" : "win32";
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#if NET40
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IntPtr Dll = LoadLibrary(System.IO.Path.Combine(myFolder, subfolder, DllName + ".dll"));
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#else
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IntPtr Dll = LoadLibrary(System.IO.Path.Combine(System.IO.Path.Combine(myFolder, subfolder), DllName + ".dll"));
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#endif
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if (Dll == IntPtr.Zero)
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Dll = LoadLibrary(DllName + ".dll");
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if (Dll == IntPtr.Zero)
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throw new DllNotFoundException();
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}
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}
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/** \brief Statistics for decoding. */
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[StructLayout(LayoutKind.Sequential)]
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public struct hdcd_decoder_statistics
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{
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public UInt32 num_packets;
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/**<Total number of samples processed. */
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public bool enabled_peak_extend;
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/**< True if peak extend was enabled during decoding. */
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public bool disabled_peak_extend;
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/**< True if peak extend was disabled during decoding. */
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public double min_gain_adjustment;
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/**< Minimum dynamic gain used during decoding. */
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public double max_gain_adjustment;
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/**< Maximum dynamic gain used during decoding. */
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public bool enabled_transient_filter;
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/**< True if the transient filter was enabled during decoding. */
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public bool disabled_transient_filter;
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/**< True if the transient filter was disabled during decoding. */
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};
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/** \brief Return values from hdcd_decoder_init. */
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internal enum hdcd_decoder_init_status
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{
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HDCD_DECODER_INIT_STATUS_OK = 0,
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/**< Initialization was successful. */
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HDCD_DECODER_INIT_STATUS_INVALID_STATE,
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/**< The _decoder was already initialised. */
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HDCD_DECODER_INIT_STATUS_MEMORY_ALOCATION_ERROR,
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/**< Initialization failed due to a memory allocation error. */
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HDCD_DECODER_INIT_STATUS_INVALID_NUM_CHANNELS,
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/**< Initialization failed because the configured number of channels was invalid. */
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HDCD_DECODER_INIT_STATUS_INVALID_SAMPLE_RATE,
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/**< Initialization failed because the configured sample rate was invalid. */
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HDCD_DECODER_INIT_STATUS_INVALID_INPUT_BPS,
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/**< Initialization failed because the configured input bits per sample was invalid. */
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HDCD_DECODER_INIT_STATUS_INVALID_OUTPUT_BPS
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/**< Initialization failed because the configured output bits per sample was invalid. */
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}
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/** \brief State values for a decoder.
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*
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* The decoder's state can be obtained by calling hdcd_decoder_get_state().
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*/
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internal enum hdcd_decoder_state
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{
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HDCD_DECODER_STATE_UNINITIALISED = 1,
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/**< The decoder is uninitialised. */
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HDCD_DECODER_STATE_READY,
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/**< The decoder is initialised and ready to process data. */
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HDCD_DECODER_STATE_DIRTY,
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/**< The decoder has processed data, but has not yet been flushed. */
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HDCD_DECODER_STATE_FLUSHED,
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/**< The decoder has been flushed. */
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HDCD_DECODER_STATE_WRITE_ERROR,
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/**< An error was returned by the write callback. */
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HDCD_DECODER_STATE_MEMORY_ALOCATION_ERROR
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/**< Processing failed due to a memory allocation error. */
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};
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}
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