Version: 20 Mar 2024

ml_media_extractor.h

Classes

	Name
struct	MLMediaExtractorDRMSchemeInitData

Types

	Name
typedef MLPSSHEntry	MLMediaExtractorPSSHEntry
typedef struct MLMediaExtractorDRMSchemeInitData	MLMediaExtractorDRMSchemeInitData

Enums

	Name
enum	MLMediaExtractorSampleFlag { MLMediaExtractorSampleFlag_Sync = 1, MLMediaExtractorSampleFlag_Encrypted = 2, MLMediaExtractorSampleFlag_Ensure32Bits = 0x7FFFFFFF }
enum	MLMediaExtractorSeekPosition { MLMediaExtractorSeekPosition_Previous_Sync, MLMediaExtractorSeekPosition_Next_Sync, MLMediaExtractorSeekPosition_Closest_Sync, MLMediaExtractorSeekPosition_Ensure32Bits = 0x7FFFFFFF }

Functions

	Name
MLResult	MLMediaExtractorCreate(MLHandle * out_handle) Create a new MLMediaExtractor.
MLResult	MLMediaExtractorDestroy(MLHandle handle) Destroy a MLMediaExtractor.
MLResult	MLMediaExtractorSetDataSourceForPath(MLHandle handle, const char * path) Set a local file path as the data source.
MLResult	MLMediaExtractorSetDataSourceForURI(MLHandle handle, const char * uri) Set a URI string as the data source.
MLResult	MLMediaExtractorSetDataSourceForURIWithHeaders(MLHandle handle, const char * uri, const char ** headers, size_t len) Set a URI string as the data source.
MLResult	MLMediaExtractorSetDataSourceForFD(MLHandle handle, int fd, int64_t offset, int64_t length) Set the data source as the file-descriptor to use.
MLResult	MLMediaExtractorSetMediaDataSource(MLHandle handle, MLHandle media_data_source) Sets the data source as user defined media data source.
MLResult	MLMediaExtractorGetDRMInitData(MLHandle handle, MLUUID drm_uuid, MLMediaExtractorDRMSchemeInitData * out_drm_init_data) Extract DRM initialization data for a given DRM Scheme if it exists.
MLResult	MLMediaExtractorReleaseDRMInitData(MLHandle handle, MLMediaExtractorDRMSchemeInitData * drm_init_data) Release DRM initialization data which was previously retrieved.
MLResult	MLMediaExtractorGetTrackCount(MLHandle handle, uint64_t * out_track_count) Count the number of tracks found in the data source.
MLResult	MLMediaExtractorGetTrackFormat(MLHandle handle, size_t index, MLHandle * out_track_handle) Get the track format at the specified index.
MLResult	MLMediaExtractorSelectTrack(MLHandle handle, size_t index) Select a track for the subsequent operations.
MLResult	MLMediaExtractorUnselectTrack(MLHandle handle, size_t index) Unselect a track for the subsequent operations.
MLResult	MLMediaExtractorSeekTo(MLHandle handle, int64_t time_us, MLMediaSeekMode mode) All selected tracks seek near the requested time according to the specified mode.
MLResult	MLMediaExtractorAdvance(MLHandle handle) Advance to the next sample.
MLResult	MLMediaExtractorReadSampleData(MLHandle handle, uint8_t byte_buf, size_t buf_size, size_t offset, int64_t out_data_size) Retrieve the current encoded sample and store it in the byte buffer starting at the given offset.
MLResult	MLMediaExtractorGetSampleTrackIndex(MLHandle handle, int64_t * out_track_index) Return the track index the current sample originates from.
MLResult	MLMediaExtractorGetSampleTime(MLHandle handle, int64_t * out_sample_time) Return the current sample's presentation time in microseconds.
MLResult	MLMediaExtractorGetSampleFlags(MLHandle handle, int * out_sample_flags) Return the current sample's flags.
MLResult	MLMediaExtractorGetSampleCryptoInfo(MLHandle handle, MLHandle * out_info_handle) Return the current sample's Crypto info if has encrypted sample.
MLResult	MLMediaExtractorReleaseCryptoInfo(MLHandle handle, MLHandle * inout_info_handle) Release the Crypto Info.
MLResult	MLMediaExtractorGetCachedDuration(MLHandle handle, int64_t * out_cached_duration) Return an estimate of how much data is presently cached in memoryexpressed in microseconds.
MLResult	MLMediaExtractorHasCacheReachedEOS(MLHandle handle) Return `true` if we are caching data and the cache has reached the end of the data stream (for now, a future seek may of course restart the fetching of data).
MLResult	MLMediaExtractorGetPSSHInfoCount(MLHandle handle, size_t * out_index) Get the Number of PSSH info if present.
MLResult	MLMediaExtractorGetPSSHInfo(MLHandle handle, size_t index, MLMediaExtractorPSSHEntry * out_pssh_entry) Get the PSSH info if present. The PSSH(Protection System Specific Header) contains a UUID representing a DRM scheme along with opaque data blob used for creating crypto session, which in turn used to configure codec.
MLResult	MLMediaExtractorReleasePSSHInfo(MLHandle handle, MLMediaExtractorPSSHEntry * pssh_entry) Clear the PSSH info data.

Enums Documentation

MLMediaExtractorSampleFlag

Enumerator	Value	Description
MLMediaExtractorSampleFlag_Sync	1
MLMediaExtractorSampleFlag_Encrypted	2
MLMediaExtractorSampleFlag_Ensure32Bits	0x7FFFFFFF	Ensure enum is represented as 32 bits.

Sample flag output from MLMediaExtractorGetSampleFlags.

MLMediaExtractorSeekPosition

Enumerator	Value	Description
MLMediaExtractorSeekPosition_Previous_Sync
MLMediaExtractorSeekPosition_Next_Sync
MLMediaExtractorSeekPosition_Closest_Sync
MLMediaExtractorSeekPosition_Ensure32Bits	0x7FFFFFFF	Ensure enum is represented as 32 bits.

Seek mode used by MLMediaExtractorSeekTo.

Types Documentation

MLMediaExtractorPSSHEntry

typedef MLPSSHEntry MLMediaExtractorPSSHEntry;

More Info

MLMediaExtractorDRMSchemeInitData

typedef struct MLMediaExtractorDRMSchemeInitData MLMediaExtractorDRMSchemeInitData;

DRM Scheme initialization data.

More Info

Functions Documentation

MLMediaExtractorCreate

MLResult MLMediaExtractorCreate(
    MLHandle * out_handle
)

Create a new MLMediaExtractor.

Parameters


MLHandle *	out_handle	A handle to the created MLMediaExtractor. If there is an error during creation, it will return ML_INVALID_HANDLE.

Returns


MLResult	MLResult_AllocFailed	If MediaExtractor handle cannot be allocated.
MLResult	MLResult_InvalidParam	If out_handle is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorDestroy

MLResult MLMediaExtractorDestroy(
    MLHandle handle
)

Destroy a MLMediaExtractor.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor object.

Returns


MLResult	MLResult_InvalidParam	If handle is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSetDataSourceForPath

MLResult MLMediaExtractorSetDataSourceForPath(
    MLHandle handle,
    const char * path
)

Set a local file path as the data source.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
const char *	path	Content path of the file.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

The path should be an absolute path and should reference a world-readable file.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSetDataSourceForURI

MLResult MLMediaExtractorSetDataSourceForURI(
    MLHandle handle,
    const char * uri
)

Set a URI string as the data source.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
const char *	uri	C-style string representing the URI complete string.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_PermissionDenied	Necessary permission is missing.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

android.permission.INTERNET (protection level: normal)

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSetDataSourceForURIWithHeaders

MLResult MLMediaExtractorSetDataSourceForURIWithHeaders(
    MLHandle handle,
    const char * uri,
    const char ** headers,
    size_t len
)

Set a URI string as the data source.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
const char *	uri	C-style string representing the complete URL.
const char **	headers	Array of char * headers to be sent.
size_t	len	Number of headers passed-in.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_PermissionDenied	Necessary permission is missing.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

android.permission.INTERNET (protection level: normal)

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSetDataSourceForFD

MLResult MLMediaExtractorSetDataSourceForFD(
    MLHandle handle,
    int fd,
    int64_t offset,
    int64_t length
)

Set the data source as the file-descriptor to use.

Parameters


MLHandle	handle	MLHandle to the MediaExtractor.
int	fd	File-descriptor for the file to extract from.
int64_t	offset	Offset in bytes into the file where the data to be extracted starts.
int64_t	length	Length in bytes of the data to be extracted.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

It is the caller's responsibility to close the file descriptor. It is safe to do so as soon as this call returns.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSetMediaDataSource

MLResult MLMediaExtractorSetMediaDataSource(
    MLHandle handle,
    MLHandle media_data_source
)

Sets the data source as user defined media data source.

Parameters


MLHandle	handle	MLHandle to the MediaExtractor.
MLHandle	media_data_source	MLHandle returned by MLMediaDataSourceCreate().

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.
MLResult	MLMediaGenericResult_NameNotFound	If media_data_source cannot be found.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetDRMInitData

MLResult MLMediaExtractorGetDRMInitData(
    MLHandle handle,
    MLUUID drm_uuid,
    MLMediaExtractorDRMSchemeInitData * out_drm_init_data
)

Extract DRM initialization data for a given DRM Scheme if it exists.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
MLUUID	drm_uuid	UUID of the DRM scheme.
MLMediaExtractorDRMSchemeInitData *	out_drm_init_data	DRM initialization data pointer. To release the DRM initialization data upon successful return, call MLMediaExtractorReleaseDRMInitData().

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorReleaseDRMInitData

MLResult MLMediaExtractorReleaseDRMInitData(
    MLHandle handle,
    MLMediaExtractorDRMSchemeInitData * drm_init_data
)

Release DRM initialization data which was previously retrieved.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
MLMediaExtractorDRMSchemeInitData *	drm_init_data	DRM initialization data that needs to be released.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetTrackCount

MLResult MLMediaExtractorGetTrackCount(
    MLHandle handle,
    uint64_t * out_track_count
)

Count the number of tracks found in the data source.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
uint64_t *	out_track_count	Number of tracks found in data source.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetTrackFormat

MLResult MLMediaExtractorGetTrackFormat(
    MLHandle handle,
    size_t index,
    MLHandle * out_track_handle
)

Get the track format at the specified index.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
size_t	index	Index of the track.
MLHandle *	out_track_handle	MLMediaFormat handle that represents track format.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSelectTrack

MLResult MLMediaExtractorSelectTrack(
    MLHandle handle,
    size_t index
)

Select a track for the subsequent operations.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
size_t	index	Index of the track.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Subsequent calls to MLMediaExtractorReadSampleData(), MLMediaExtractorGetSampleTrackIndex() 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.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorUnselectTrack

MLResult MLMediaExtractorUnselectTrack(
    MLHandle handle,
    size_t index
)

Unselect a track for the subsequent operations.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
size_t	index	Index of the track.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Subsequent calls to MLMediaExtractorReadSampleData(), MLMediaExtractorGetSampleTrackIndex() and getSampleTime() only retrieve information for the subset of tracks selected.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorSeekTo

MLResult MLMediaExtractorSeekTo(
    MLHandle handle,
    int64_t time_us,
    MLMediaSeekMode mode
)

All selected tracks seek near the requested time according to the specified mode.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
int64_t	time_us	Seek time.
MLMediaSeekMode	mode	Seek mode defined by MLMediaSeekMode.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorAdvance

MLResult MLMediaExtractorAdvance(
    MLHandle handle
)

Advance to the next sample.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.

Returns


MLResult	MLResult_InvalidParam	If handle is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.
MLResult	MLMediaGenericResult_FailedTransaction	If Advance operation failed, no more sample data is available (end of stream).

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorReadSampleData

MLResult MLMediaExtractorReadSampleData(
    MLHandle handle,
    uint8_t * byte_buf,
    size_t buf_size,
    size_t offset,
    int64_t * out_data_size
)

Retrieve the current encoded sample and store it in the byte buffer starting at the given offset.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
uint8_t *	byte_buf	Destination byte buffer.
size_t	buf_size	Size of the destination buffer.
size_t	offset	Offset within the buffer.
int64_t *	out_data_size	Sample size or -1 if no more samples are available.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetSampleTrackIndex

MLResult MLMediaExtractorGetSampleTrackIndex(
    MLHandle handle,
    int64_t * out_track_index
)

Return the track index the current sample originates from.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
int64_t *	out_track_index	Track index or -1 if no more samples are available.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetSampleTime

MLResult MLMediaExtractorGetSampleTime(
    MLHandle handle,
    int64_t * out_sample_time
)

Return the current sample's presentation time in microseconds.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
int64_t *	out_sample_time	Sample time or -1 if no more samples are available.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetSampleFlags

MLResult MLMediaExtractorGetSampleFlags(
    MLHandle handle,
    int * out_sample_flags
)

Return the current sample's flags.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
int *	out_sample_flags	Sample flag defined by MLMediaExtractorSampleFlag, or -1 if on failure.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetSampleCryptoInfo

MLResult MLMediaExtractorGetSampleCryptoInfo(
    MLHandle handle,
    MLHandle * out_info_handle
)

Return the current sample's Crypto info if has encrypted sample.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
MLHandle *	out_info_handle	On success it returns handle to Crypto info of the sample.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorReleaseCryptoInfo

MLResult MLMediaExtractorReleaseCryptoInfo(
    MLHandle handle,
    MLHandle * inout_info_handle
)

Release the Crypto Info.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
MLHandle *	inout_info_handle	handle to Crypto info that needs to be released.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetCachedDuration

MLResult MLMediaExtractorGetCachedDuration(
    MLHandle handle,
    int64_t * out_cached_duration
)

Return an estimate of how much data is presently cached in memoryexpressed in microseconds.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor.
int64_t *	out_cached_duration	Cached amount or -1 if that information is unavailable or not applicable (no cache).

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorHasCacheReachedEOS

MLResult MLMediaExtractorHasCacheReachedEOS(
    MLHandle handle
)

Return true if we are caching data and the cache has reached the end of the data stream (for now, a future seek may of course restart the fetching of data).

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

This API only returns a meaningful result if getCachedDuration() indicates the presence of a cache, i.e. does NOT return -1.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetPSSHInfoCount

MLResult MLMediaExtractorGetPSSHInfoCount(
    MLHandle handle,
    size_t * out_index
)

Get the Number of PSSH info if present.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
size_t *	out_index	On successful return contains number of PSSH entries.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

The PSSH(Protection System Specific Header) contains a UUID representing a DRM scheme along with opaque data blob used for creating crypto session, which in turn used to configure codec.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorGetPSSHInfo

MLResult MLMediaExtractorGetPSSHInfo(
    MLHandle handle,
    size_t index,
    MLMediaExtractorPSSHEntry * out_pssh_entry
)

Get the PSSH info if present. The PSSH(Protection System Specific Header) contains a UUID representing a DRM scheme along with opaque data blob used for creating crypto session, which in turn used to configure codec.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
size_t	index	Index of the PSSH info data element being retrieved.
MLMediaExtractorPSSHEntry *	out_pssh_entry	Pointer to the PSSH info data element being retrieved.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Upon successful return, if a MLMediaExtractorPSSHEntry is returned, same should be released by calling MLMediaExtractorReleasePSSHInfo().

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

MLMediaExtractorReleasePSSHInfo

MLResult MLMediaExtractorReleasePSSHInfo(
    MLHandle handle,
    MLMediaExtractorPSSHEntry * pssh_entry
)

Clear the PSSH info data.

Parameters


MLHandle	handle	MLHandle to the MLMediaExtractor instance.
MLMediaExtractorPSSHEntry *	pssh_entry	Pointer to the PSSH info data element that needs to be released.

Returns


MLResult	MLResult_InvalidParam	If one of parameters is invalid.
MLResult	MLResult_Ok	If operation succeeded.
MLResult	MLResult_UnspecifiedFailure	The operation failed with an unspecified error.

Required Permissions:

None

Clears the entire cached PSSH info data in the library.

Deprecated

Deprecated since 1.4.0. Scheduled for removal.

Source code

// %BANNER_BEGIN%
// ---------------------------------------------------------------------
// %COPYRIGHT_BEGIN%
// Copyright (c) 2017 Magic Leap, Inc. All Rights Reserved.
// Use of this file is governed by the Software License Agreement,
// located here: https://www.magicleap.com/software-license-agreement-ml2
// Terms and conditions applicable to third-party materials accompanying
// this distribution may also be found in the top-level NOTICE file
// appearing herein.
// %COPYRIGHT_END%
// ---------------------------------------------------------------------
// %BANNER_END%

#pragma once

#include "ml_api.h"
#include "ml_types.h"
#include "ml_media_common.h"
#include "ml_media_data_source.h"
#include "ml_media_error.h"
#include "ml_media_types.h"

ML_EXTERN_C_BEGIN

typedef enum MLMediaExtractorSampleFlag {
  MLMediaExtractorSampleFlag_Sync         = 1,
  MLMediaExtractorSampleFlag_Encrypted    = 2,
  MLMediaExtractorSampleFlag_Ensure32Bits = 0x7FFFFFFF
} MLMediaExtractorSampleFlag;

typedef enum MLMediaExtractorSeekPosition {
  MLMediaExtractorSeekPosition_Previous_Sync,
  MLMediaExtractorSeekPosition_Next_Sync,
  MLMediaExtractorSeekPosition_Closest_Sync,
  MLMediaExtractorSeekPosition_Ensure32Bits = 0x7FFFFFFF
} MLMediaExtractorSeekPosition;

typedef MLPSSHEntry MLMediaExtractorPSSHEntry;

typedef ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.") struct MLMediaExtractorDRMSchemeInitData {
  char *mime_type;
  size_t size;
  uint8_t *data;
} MLMediaExtractorDRMSchemeInitData;

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorCreate(MLHandle *out_handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorDestroy(MLHandle handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSetDataSourceForPath(MLHandle handle, const char *path);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSetDataSourceForURI(MLHandle handle, const char *uri);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSetDataSourceForURIWithHeaders(MLHandle handle, const char *uri, const char **headers, size_t len);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSetDataSourceForFD(MLHandle handle, int fd, int64_t offset, int64_t length);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSetMediaDataSource(MLHandle handle, MLHandle media_data_source);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetDRMInitData(MLHandle handle, MLUUID drm_uuid, MLMediaExtractorDRMSchemeInitData *out_drm_init_data);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorReleaseDRMInitData(MLHandle handle, MLMediaExtractorDRMSchemeInitData *drm_init_data);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetTrackCount(MLHandle handle, uint64_t *out_track_count);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetTrackFormat(MLHandle handle, size_t index, MLHandle *out_track_handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSelectTrack(MLHandle handle, size_t index);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorUnselectTrack(MLHandle handle, size_t index);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorSeekTo(MLHandle handle, int64_t time_us, MLMediaSeekMode mode);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorAdvance(MLHandle handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorReadSampleData(MLHandle handle, uint8_t *byte_buf, size_t buf_size, size_t offset, int64_t *out_data_size);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetSampleTrackIndex(MLHandle handle, int64_t *out_track_index);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetSampleTime(MLHandle handle, int64_t *out_sample_time);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetSampleFlags(MLHandle handle, int *out_sample_flags);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetSampleCryptoInfo(MLHandle handle, MLHandle *out_info_handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorReleaseCryptoInfo(MLHandle handle, MLHandle *inout_info_handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetCachedDuration(MLHandle handle, int64_t *out_cached_duration);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorHasCacheReachedEOS(MLHandle handle);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetPSSHInfoCount(MLHandle handle, size_t *out_index);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorGetPSSHInfo(MLHandle handle, size_t index, MLMediaExtractorPSSHEntry *out_pssh_entry);

ML_DEPRECATED_MSG("Use standard Android SDK and NDK APIs.")
ML_API MLResult ML_CALL MLMediaExtractorReleasePSSHInfo(MLHandle handle, MLMediaExtractorPSSHEntry *pssh_entry);

ML_EXTERN_C_END

ml_media_extractor.h

Classes​

Types​

Enums​

Functions​

Enums Documentation​

MLMediaExtractorSampleFlag​

MLMediaExtractorSeekPosition​

Types Documentation​

MLMediaExtractorPSSHEntry​

MLMediaExtractorDRMSchemeInitData​

Functions Documentation​

MLMediaExtractorCreate​

MLMediaExtractorDestroy​

MLMediaExtractorSetDataSourceForPath​

MLMediaExtractorSetDataSourceForURI​

MLMediaExtractorSetDataSourceForURIWithHeaders​

MLMediaExtractorSetDataSourceForFD​

MLMediaExtractorSetMediaDataSource​

MLMediaExtractorGetDRMInitData​

MLMediaExtractorReleaseDRMInitData​

MLMediaExtractorGetTrackCount​

MLMediaExtractorGetTrackFormat​

MLMediaExtractorSelectTrack​

MLMediaExtractorUnselectTrack​

MLMediaExtractorSeekTo​

MLMediaExtractorAdvance​

MLMediaExtractorReadSampleData​

MLMediaExtractorGetSampleTrackIndex​

MLMediaExtractorGetSampleTime​

MLMediaExtractorGetSampleFlags​

MLMediaExtractorGetSampleCryptoInfo​

MLMediaExtractorReleaseCryptoInfo​

MLMediaExtractorGetCachedDuration​

MLMediaExtractorHasCacheReachedEOS​

MLMediaExtractorGetPSSHInfoCount​

MLMediaExtractorGetPSSHInfo​

MLMediaExtractorReleasePSSHInfo​

Source code​

Classes

Types

Enums

Functions

Enums Documentation

MLMediaExtractorSampleFlag

MLMediaExtractorSeekPosition

Types Documentation

MLMediaExtractorPSSHEntry

MLMediaExtractorDRMSchemeInitData

Functions Documentation

MLMediaExtractorCreate

MLMediaExtractorDestroy

MLMediaExtractorSetDataSourceForPath

MLMediaExtractorSetDataSourceForURI

MLMediaExtractorSetDataSourceForURIWithHeaders

MLMediaExtractorSetDataSourceForFD

MLMediaExtractorSetMediaDataSource

MLMediaExtractorGetDRMInitData

MLMediaExtractorReleaseDRMInitData

MLMediaExtractorGetTrackCount

MLMediaExtractorGetTrackFormat

MLMediaExtractorSelectTrack

MLMediaExtractorUnselectTrack

MLMediaExtractorSeekTo

MLMediaExtractorAdvance

MLMediaExtractorReadSampleData

MLMediaExtractorGetSampleTrackIndex

MLMediaExtractorGetSampleTime

MLMediaExtractorGetSampleFlags

MLMediaExtractorGetSampleCryptoInfo

MLMediaExtractorReleaseCryptoInfo

MLMediaExtractorGetCachedDuration

MLMediaExtractorHasCacheReachedEOS

MLMediaExtractorGetPSSHInfoCount

MLMediaExtractorGetPSSHInfo

MLMediaExtractorReleasePSSHInfo

Source code