forked from LeenkxTeam/LNXSDK
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
#pragma once
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#include <kinc/global.h>
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#include <stdbool.h>
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#include <stdint.h>
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/*! \file soundstream.h
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\brief Sound-Streams are decoded while playing and as such are useful for large audio-files like music or speech.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct stb_vorbis;
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typedef struct kinc_a1_sound_stream {
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struct stb_vorbis *vorbis;
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int chans;
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int rate;
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bool myLooping;
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float myVolume;
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bool rateDecodedHack;
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bool end;
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float samples[2];
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uint8_t *buffer;
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} kinc_a1_sound_stream_t;
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/// <summary>
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/// Create a sound-stream from a wav file.
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/// </summary>
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/// <param name="filename">A path to a wav file</param>
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/// <param name="looping">Defines whether the stream will be looped automatically</param>
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/// <returns>The newly created sound-stream</returns>
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KINC_FUNC kinc_a1_sound_stream_t *kinc_a1_sound_stream_create(const char *filename, bool looping);
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/// <summary>
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/// Gets the next audio-frame in the stream.
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/// </summary>
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/// <param name="stream">The stream to extract the frame from</param>
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/// <returns>The next sample</returns>
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KINC_FUNC float *kinc_a1_sound_stream_next_frame(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Gets the number of audio-channels the stream uses.
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/// </summary>
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/// <param name="stream">The stream to extract the number of channels from</param>
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/// <returns>The number of audio-channels</returns>
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KINC_FUNC int kinc_a1_sound_stream_channels(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Gets the sample-rate used by the stream.
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/// </summary>
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/// <param name="stream">The stream to extract the sample-rate from</param>
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/// <returns>The sample-rate of the stream</returns>
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KINC_FUNC int kinc_a1_sound_stream_sample_rate(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Returns whether the stream loops automatically.
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/// </summary>
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/// <param name="stream">The stream to extract the looping-information from</param>
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/// <returns>Whether the stream loops</returns>
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KINC_FUNC bool kinc_a1_sound_stream_looping(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Changes whether the stream is looped automatically.
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/// </summary>
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/// <param name="stream">The stream to change</param>
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/// <param name="loop">The new loop value to set</param>
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KINC_FUNC void kinc_a1_sound_stream_set_looping(kinc_a1_sound_stream_t *stream, bool loop);
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/// <summary>
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/// Returns whether the stream finished playing.
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/// </summary>
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/// <param name="stream">The stream to query</param>
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/// <returns>Whether the stream finished playing</returns>
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KINC_FUNC bool kinc_a1_sound_stream_ended(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Returns the length of the stream.
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/// </summary>
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/// <param name="stream">The stream to query</param>
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/// <returns>The length of the stream in seconds</returns>
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KINC_FUNC float kinc_a1_sound_stream_length(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Returns the current playing-position of the stream.
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/// </summary>
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/// <param name="stream">The stream to query</param>
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/// <returns>The current playing-position in seconds</returns>
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KINC_FUNC float kinc_a1_sound_stream_position(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Resets the stream to its start-position.
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/// </summary>
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/// <param name="stream">The stream to change</param>
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KINC_FUNC void kinc_a1_sound_stream_reset(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Gets the stream's volume-multiplicator.
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/// </summary>
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/// <param name="stream">The stream to query</param>
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/// <returns>The volume-multiplicator</returns>
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KINC_FUNC float kinc_a1_sound_stream_volume(kinc_a1_sound_stream_t *stream);
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/// <summary>
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/// Sets the stream's volume-multiplicator.
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/// </summary>
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/// <param name="stream">The stream to change</param>
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/// <param name="value">The volume-multiplicator</param>
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KINC_FUNC void kinc_a1_sound_stream_set_volume(kinc_a1_sound_stream_t *stream, float value);
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#ifdef __cplusplus
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}
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#endif
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