amidi, aaudio, and mediandk done

media/NdkMediaExtractor.odin

@@ -0,0 +1,213 @@
+//+build android
+package mediandk
+
+import "../"
+
+foreign import mediandk "system:mediandk"
+
+SeekMode :: enum {
+	PREVIOUS_SYNC,
+	NEXT_SYNC,
+	CLOSEST_SYNC
+}
+
+SampleFlags :: enum u32 {
+	SYNC = 1,
+	ENCRYPTED = 2,
+}
+
+AMediaExtractor :: struct{}
+
+/**
+* mapping of crypto scheme uuid to the scheme specific data for that scheme
+*/
+PsshEntry :: struct {
+	uuid: AMediaUUID,
+	datalen: uint,
+	data: rawptr,
+}
+
+/**
+* list of crypto schemes and their data
+*/
+PsshInfo :: struct {
+	numentries: uint,
+	entries: [0]PsshEntry,
+}
+
+foreign mediandk {
+	/**
+	 * Create new media extractor.
+	 *
+	 * Available since API level 21.
+	 */
+	AMediaExtractor_new :: proc() -> ^AMediaExtractor ---
+
+	/**
+	* Delete a previously created media extractor.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_delete :: proc(extractor: ^AMediaExtractor) -> media_status_t ---
+
+	/**
+	* Set the file descriptor from which the extractor will read.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_setDataSourceFd :: proc(extractor: ^AMediaExtractor, fd: i32, offset: android.off64_t, length: android.off64_t) -> media_status_t ---
+
+	/**
+	* Set the URI from which the extractor will read.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_setDataSource :: proc(extractor: ^AMediaExtractor, location: cstring) -> media_status_t ---
+
+	/**
+	* Set the custom data source implementation from which the extractor will read.
+	*
+	* Available since API level 28.
+	*/
+	AMediaExtractor_setDataSourceCustom :: proc(extractor: ^AMediaExtractor, src: ^AMediaDataSource) -> media_status_t ---
+
+	/**
+	* Return the number of tracks in the previously specified media file
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getTrackCount :: proc(extractor: ^AMediaExtractor) -> uint ---
+
+	/**
+	* Return the format of the specified track. The caller must free the returned format
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getTrackFormat :: proc(extractor: ^AMediaExtractor, idx: uint) -> ^AMediaFormat ---
+
+	/**
+	* Select the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+	* getSampleTime only retrieve information for the subset of tracks selected.
+	* Selecting the same track multiple times has no effect, the track is
+	* only selected once.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_selectTrack :: proc(extractor: ^AMediaExtractor, idx: uint) -> media_status_t ---
+
+	/**
+	* Unselect the specified track. Subsequent calls to readSampleData, getSampleTrackIndex and
+	* getSampleTime only retrieve information for the subset of tracks selected.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_unselectTrack :: proc(extractor: ^AMediaExtractor, idx: uint) -> media_status_t ---
+
+	/**
+	* Read the current sample.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_readSampleData :: proc(extractor: ^AMediaExtractor, buffer: [^]u8, capacity: uint) -> int ---
+
+	/**
+	* Read the current sample's flags.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getSampleFlags :: proc(extractor: ^AMediaExtractor) -> SampleFlags ---
+
+	/**
+	* Returns the track index the current sample originates from (or -1
+	* if no more samples are available)
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getSampleTrackIndex :: proc(extractor: ^AMediaExtractor) -> i32 ---
+
+	/**
+	* Returns the current sample's presentation time in microseconds.
+	* or -1 if no more samples are available.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getSampleTime :: proc(extractor: ^AMediaExtractor) -> i64 ---
+
+	/**
+	* Advance to the next sample. Returns false if no more sample data
+	* is available (end of stream).
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_advance :: proc(extractor: ^AMediaExtractor) -> bool ---
+
+
+	/**
+	* Available since API level 21.
+	*/
+	AMediaExtractor_seekTo :: proc(extractor: ^AMediaExtractor, seekPosUs: i64, mode: SeekMode) -> media_status_t ---
+
+	/**
+	* Get the PSSH info if present.
+	*
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getPsshInfo :: proc(extractor: ^AMediaExtractor) -> ^PsshInfo ---
+
+	/**
+	* Available since API level 21.
+	*/
+	AMediaExtractor_getSampleCryptoInfo :: proc(extractor: ^AMediaExtractor) -> ^AMediaCodecCryptoInfo ---
+
+	/**
+	* Returns the format of the extractor. The caller must free the returned format
+	* using AMediaFormat_delete(format).
+	*
+	* This function will always return a format however, the format could be empty
+	* (no key-value pairs) if the media container does not provide format information.
+	*
+	* Available since API level 28.
+	*/
+	AMediaExtractor_getFileFormat :: proc(extractor: ^AMediaExtractor) -> ^AMediaFormat ---
+
+	/**
+	* Returns the size of the current sample in bytes, or -1 when no samples are
+	* available (end of stream). This API can be used in in conjunction with
+	* AMediaExtractor_readSampleData:
+	*
+	* ssize_t sampleSize = AMediaExtractor_getSampleSize(ex)
+	* uint8_t *buf = new uint8_t[sampleSize]
+	* AMediaExtractor_readSampleData(ex, buf, sampleSize)
+	*
+	* Available since API level 28.
+	*/
+	AMediaExtractor_getSampleSize :: proc(extractor: ^AMediaExtractor) -> int ---
+
+	/**
+	* Returns the duration of cached media samples downloaded from a network data source
+	* (AMediaExtractor_setDataSource with a "http(s)" URI) in microseconds.
+	*
+	* This information is calculated using total bitrate if total bitrate is not in the
+	* media container it is calculated using total duration and file size.
+	*
+	* Returns -1 when the extractor is not reading from a network data source, or when the
+	* cached duration cannot be calculated (bitrate, duration, and file size information
+	* not available).
+	*
+	* Available since API level 28.
+	*/
+	AMediaExtractor_getCachedDuration :: proc(extractor: ^AMediaExtractor) -> i64 ---
+
+	/**
+	* Read the current sample's metadata format into |fmt|. Examples of sample metadata are
+	* SEI (supplemental enhancement information) and MPEG user data, both of which can embed
+	* closed-caption data.
+	*
+	* Returns AMEDIA_OK on success or AMEDIA_ERROR_* to indicate failure reason.
+	* Existing key-value pairs in |fmt| would be removed if this API returns AMEDIA_OK.
+	* The contents of |fmt| is undefined if this API returns AMEDIA_ERROR_*.
+	*
+	* Available since API level 28.
+	*/
+	AMediaExtractor_getSampleFormat :: proc(ex: ^AMediaExtractor, fmt: ^AMediaFormat) -> media_status_t ---
+}