/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This file defines an NDK API.
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* Do not remove methods.
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* Do not change method signatures.
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* Do not change the value of constants.
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* Do not change the size of any of the classes defined in here.
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* Do not reference types that are not part of the NDK.
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* Do not #include files that aren't part of the NDK.
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*/
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#ifndef _NDK_MEDIA_MUXER_H
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#define _NDK_MEDIA_MUXER_H
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#include <sys/types.h>
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#include "NdkMediaCodec.h"
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#include "NdkMediaError.h"
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#include "NdkMediaFormat.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct AMediaMuxer;
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typedef struct AMediaMuxer AMediaMuxer;
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typedef enum {
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AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4 = 0,
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AMEDIAMUXER_OUTPUT_FORMAT_WEBM = 1,
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} OutputFormat;
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/**
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* Create new media muxer
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*/
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AMediaMuxer* AMediaMuxer_new(int fd, OutputFormat format);
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/**
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* Delete a previously created media muxer
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*/
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media_status_t AMediaMuxer_delete(AMediaMuxer*);
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/**
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* Set and store the geodata (latitude and longitude) in the output file.
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* This method should be called before AMediaMuxer_start. The geodata is stored
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* in udta box if the output format is AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4, and is
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* ignored for other output formats.
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* The geodata is stored according to ISO-6709 standard.
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*
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* Both values are specified in degrees.
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* Latitude must be in the range [-90, 90].
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* Longitude must be in the range [-180, 180].
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*/
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media_status_t AMediaMuxer_setLocation(AMediaMuxer*, float latitude, float longitude);
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/**
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* Sets the orientation hint for output video playback.
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* This method should be called before AMediaMuxer_start. Calling this
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* method will not rotate the video frame when muxer is generating the file,
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* but add a composition matrix containing the rotation angle in the output
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* video if the output format is AMEDIAMUXER_OUTPUT_FORMAT_MPEG_4, so that a
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* video player can choose the proper orientation for playback.
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* Note that some video players may choose to ignore the composition matrix
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* during playback.
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* The angle is specified in degrees, clockwise.
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* The supported angles are 0, 90, 180, and 270 degrees.
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*/
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media_status_t AMediaMuxer_setOrientationHint(AMediaMuxer*, int degrees);
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/**
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* Adds a track with the specified format.
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* Returns the index of the new track or a negative value in case of failure,
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* which can be interpreted as a media_status_t.
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*/
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ssize_t AMediaMuxer_addTrack(AMediaMuxer*, const AMediaFormat* format);
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/**
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* Start the muxer. Should be called after AMediaMuxer_addTrack and
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* before AMediaMuxer_writeSampleData.
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*/
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media_status_t AMediaMuxer_start(AMediaMuxer*);
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/**
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* Stops the muxer.
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* Once the muxer stops, it can not be restarted.
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*/
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media_status_t AMediaMuxer_stop(AMediaMuxer*);
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/**
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* Writes an encoded sample into the muxer.
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* The application needs to make sure that the samples are written into
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* the right tracks. Also, it needs to make sure the samples for each track
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* are written in chronological order (e.g. in the order they are provided
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* by the encoder.)
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*/
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media_status_t AMediaMuxer_writeSampleData(AMediaMuxer *muxer,
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size_t trackIdx, const uint8_t *data, const AMediaCodecBufferInfo *info);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // _NDK_MEDIA_MUXER_H
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