amidi, aaudio, and mediandk done

media/NdkMediaMuxer.odin

@@ -0,0 +1,146 @@
+//+build android
+package mediandk
+
+foreign import mediandk "system:mediandk"
+
+OutputFormat :: enum i32 {
+    MPEG_4 = 0,
+    WEBM   = 1,
+    THREE_GPP   = 2,
+}
+
+AppendMode :: enum i32 {
+    /* Last group of pictures(GOP) of video track can be incomplete, so it would be safe to
+     * scrap that and rewrite.  If both audio and video tracks are present in a file, then
+     * samples of audio track after last GOP of video would be scrapped too.
+     * If only audio track is present, then no sample would be discarded.
+     */
+    IGNORE_LAST_VIDEO_GOP = 0,
+    // Keep all existing samples as it is and append new samples after that only.
+    TO_EXISTING_DATA = 1,
+}
+
+AMediaMuxer :: struct{}
+
+foreign mediandk {
+	/**
+	 * Create new media muxer.
+	 *
+	 * Available since API level 21.
+	 */
+	AMediaMuxer_new :: proc(fd: i32, format: OutputFormat) -> ^AMediaMuxer ---
+
+	/**
+	* Delete a previously created media muxer.
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_delete :: proc(muxer: ^AMediaMuxer) -> media_status_t ---
+
+	/**
+	* Set and store the geodata (latitude and longitude) in the output file.
+	* This method should be called before AMediaMuxer_start. The geodata is stored
+	* in udta box if the output format is AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4, and is
+	* ignored for other output formats.
+	* The geodata is stored according to ISO-6709 standard.
+	*
+	* Both values are specified in degrees.
+	* Latitude must be in the range [-90, 90].
+	* Longitude must be in the range [-180, 180].
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_setLocation :: proc(muxer: ^AMediaMuxer, latitude: f32, longitude: f32) -> media_status_t ---
+
+	/**
+	* Sets the orientation hint for output video playback.
+	* This method should be called before AMediaMuxer_start. Calling this
+	* method will not rotate the video frame when muxer is generating the file,
+	* but add a composition matrix containing the rotation angle in the output
+	* video if the output format is AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4, so that a
+	* video player can choose the proper orientation for playback.
+	* Note that some video players may choose to ignore the composition matrix
+	* during playback.
+	* The angle is specified in degrees, clockwise.
+	* The supported angles are 0, 90, 180, and 270 degrees.
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_setOrientationHint :: proc(muxer: ^AMediaMuxer, degrees: i32) -> media_status_t ---
+
+	/**
+	* Adds a track with the specified format.
+	* Returns the index of the new track or a negative value in case of failure,
+	* which can be interpreted as a media_status_t.
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_addTrack :: proc(muxer: ^AMediaMuxer, format: ^AMediaFormat) -> int ---
+
+	/**
+	* Start the muxer. Should be called after AMediaMuxer_addTrack and
+	* before AMediaMuxer_writeSampleData.
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_start :: proc(muxer: ^AMediaMuxer) -> media_status_t ---
+
+	/**
+	* Stops the muxer.
+	* Once the muxer stops, it can not be restarted.
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_stop :: proc(muxer: ^AMediaMuxer) -> media_status_t ---
+
+	/**
+	* Writes an encoded sample into the muxer.
+	* The application needs to make sure that the samples are written into
+	* the right tracks. Also, it needs to make sure the samples for each track
+	* are written in chronological order (e.g. in the order they are provided
+	* by the encoder.)
+	*
+	* Available since API level 21.
+	*/
+	AMediaMuxer_writeSampleData :: proc(muxer: ^AMediaMuxer, trackIdx: uint, data: [^]u8, info: ^AMediaCodecBufferInfo) -> media_status_t ---
+
+	/**
+	* Creates a new media muxer for appending data to an existing MPEG4 file.
+	* This is a synchronous API call and could take a while to return if the existing file is large.
+	* Only works for MPEG4 files matching one of the following characteristics:
+	* <ul>
+	*    <li>a single audio track.</li>
+	*    <li>a single video track.</li>
+	*    <li>a single audio and a single video track.</li>
+	* </ul>
+	* @param fd Must be opened with read and write permission. Does not take ownership of
+	* this fd i.e., caller is responsible for closing fd.
+	* @param mode Specifies how data will be appended the AppendMode enum describes
+	*             the possible methods for appending..
+	* @return Pointer to AMediaMuxer if the file(fd) has tracks already, otherwise, nullptr.
+	* {@link AMediaMuxer_delete} should be used to free the returned pointer.
+	*
+	* Available since API level 31.
+	*/
+	AMediaMuxer_append :: proc(fd: i32, mode: AppendMode) -> ^AMediaMuxer ---
+
+	/**
+	* Returns the number of tracks added in the file passed to {@link AMediaMuxer_new} or
+	* the number of existing tracks in the file passed to {@link AMediaMuxer_append}.
+	* Should be called in INITIALIZED or STARTED state, otherwise returns -1.
+	*
+	* Available since API level 31.
+	*/
+	AMediaMuxer_getTrackCount :: proc(muxer: ^AMediaMuxer) -> int ---
+
+	/**
+	* Returns AMediaFormat of the added track with index idx in the file passed to
+	* {@link AMediaMuxer_new} or the AMediaFormat of the existing track with index idx
+	* in the file passed to {@link AMediaMuxer_append}.
+	* Should be called in INITIALIZED or STARTED state, otherwise returns nullptr.
+	* {@link AMediaFormat_delete} should be used to free the returned pointer.
+	*
+	* Available since API level 31.
+	*/
+	AMediaMuxer_getTrackFormat :: proc(muxer: ^AMediaMuxer, idx: uint) -> ^AMediaFormat ---
+}