Tizen Native API
|
Functions | |
int | mediacodec_create (mediacodec_h *mediacodec) |
Creates a mediacodec handle for decoding/encoding. | |
int | mediacodec_destroy (mediacodec_h mediacodec) |
Destroys the mediacodec handle and releases all its resources. | |
int | mediacodec_set_codec (mediacodec_h mediacodec, mediacodec_codec_type_e codec_type, mediacodec_support_type_e flags) |
Sets the codec type and decoder/encoder. | |
int | mediacodec_set_vdec_info (mediacodec_h mediacodec, int width, int height) |
Sets the default info for the video decoder. | |
int | mediacodec_set_venc_info (mediacodec_h mediacodec, int width, int height, int fps, int target_bits) |
Sets the default info for the video encoder. | |
int | mediacodec_set_adec_info (mediacodec_h mediacodec, int samplerate, int channel, int bit) |
Sets the default info for the audio decoder. | |
int | mediacodec_set_aenc_info (mediacodec_h mediacodec, int samplerate, int channel, int bit, int bitrate) |
Sets the default info for the audio encdoer. | |
int | mediacodec_prepare (mediacodec_h mediacodec) |
Prepares mediacodec for encoding/decoding. | |
int | mediacodec_unprepare (mediacodec_h mediacodec) |
Unprepares mediacodec for encoding/decoding. | |
int | mediacodec_process_input (mediacodec_h mediacodec, media_packet_h inbuf, uint64_t timeOutUs) |
Decodes/Encodes a packet. The function passed undecoded/unencoded packet to the input queue and decode/encode a frame sequentially. | |
int | mediacodec_get_output (mediacodec_h mediacodec, media_packet_h *outbuf, uint64_t timeOutUs) |
Gets the decoded or encoded packet from the output queue. | |
int | mediacodec_flush_buffers (mediacodec_h mediacodec) |
Flushes both input and output buffers. | |
int | mediacodec_set_input_buffer_used_cb (mediacodec_h mediacodec, mediacodec_input_buffer_used_cb callback, void *user_data) |
set empty buffer callback the media codec for process, asynchronously. | |
int | mediacodec_unset_input_buffer_used_cb (mediacodec_h mediacodec) |
unset input buffer used callback the media codec for process, asynchronously. | |
int | mediacodec_set_output_buffer_available_cb (mediacodec_h mediacodec, mediacodec_output_buffer_available_cb callback, void *user_data) |
set output buffer available callback the media codec for process, asynchronously. | |
int | mediacodec_unset_output_buffer_available_cb (mediacodec_h mediacodec) |
unset output buffer available callback the media codec for process, asynchronously. | |
int | mediacodec_set_error_cb (mediacodec_h mediacodec, mediacodec_error_cb callback, void *user_data) |
set error callback the media codec for process, asynchronously. | |
int | mediacodec_unset_error_cb (mediacodec_h mediacodec) |
unset error callback the media codec for process, asynchronously. | |
int | mediacodec_set_eos_cb (mediacodec_h mediacodec, mediacodec_eos_cb callback, void *user_data) |
set eos callback the media codec for process, asynchronously. | |
int | mediacodec_unset_eos_cb (mediacodec_h mediacodec) |
unset eos callback the media codec for process, asynchronously. | |
int | mediacodec_set_buffer_status_cb (mediacodec_h mediacodec, mediacodec_buffer_status_cb callback, void *user_data) |
Registers a callback function to be invoked when the mediacodec needs more data or has enough data. | |
int | mediacodec_unset_buffer_status_cb (mediacodec_h mediacodec) |
Unregisters the callback function. | |
int | mediacodec_foreach_supported_codec (mediacodec_h mediacodec, mediacodec_supported_codec_cb callback, void *user_data) |
Retrieves all supported codecs by invoking callback function once for each supported codecs. | |
int | mediacodec_get_supported_type (mediacodec_h mediacodec, mediacodec_codec_type_e codec_type, bool encoder, int *support_type) |
Verifies whether encoding can be performed with codec_type or not. | |
Typedefs | |
typedef struct mediacodec_s * | mediacodec_h |
Media Codec type handle. | |
typedef void(* | mediacodec_input_buffer_used_cb )(media_packet_h pkt, void *user_data) |
Called when the input buffer(pkt) used up. | |
typedef void(* | mediacodec_output_buffer_available_cb )(media_packet_h pkt, void *user_data) |
Called when the output buffer is available. | |
typedef void(* | mediacodec_error_cb )(mediacodec_error_e error, void *user_data) |
Called when the error has occured. | |
typedef void(* | mediacodec_eos_cb )(void *user_data) |
Called when there is no data to decode/encode. | |
typedef void(* | mediacodec_buffer_status_cb )(mediacodec_status_e status, void *user_data) |
Called when the mediacodec needs more data or has enough data. | |
typedef bool(* | mediacodec_supported_codec_cb )(mediacodec_codec_type_e codec_type, void *user_data) |
Called once for each supported codec types. |
The Media Codec APIs provides functions for encodinging and decoding using media data.
Required Header
#include <media_codec.h>
Overview
MEDIA CODEC API allows : The API allows you to direct access to the media codec on device. It operates on "raw" data, so any file headers must be stripped off. media_packet is used for zero-copy.
Typedef Documentation
typedef void(* mediacodec_buffer_status_cb)(mediacodec_status_e status, void *user_data) |
Called when the mediacodec needs more data or has enough data.
- Since :
- 2.4
It is recommended that the application stops calling mediacodec_process_input() when MEDIACODEC_ENOUGH_DATA is invoked.
- Parameters:
-
[in] user_data The user data passed from the callback registration function
typedef void(* mediacodec_eos_cb)(void *user_data) |
Called when there is no data to decode/encode.
- Since :
- 2.3
It will be invoked when the end-of-stream is reached.
- Parameters:
-
[in] user_data The user data passed from the callback registration function
- Precondition:
- It will be invoked when the eos event generate if you register this callback using mediacodec_set_eos_cb().
typedef void(* mediacodec_error_cb)(mediacodec_error_e error, void *user_data) |
Called when the error has occured.
- Since :
- 2.3
It will be invoked when the error has occured.
- Parameters:
-
[in] error_code The error code [in] user_data The user data passed from the callback registration function
- Precondition:
- It will be invoked when the error has occured if you register this callback using mediacodec_set_error_cb().
typedef struct mediacodec_s* mediacodec_h |
Media Codec type handle.
- Since :
- 2.3
typedef void(* mediacodec_input_buffer_used_cb)(media_packet_h pkt, void *user_data) |
Called when the input buffer(pkt) used up.
- Since :
- 2.3
It will be invoked when mediacodec has used input buffer.
- Parameters:
-
[in] pkt The media packet handle [in] user_data The user data passed from the callback registration function
- Precondition:
- It will be invoked when input buffer process completed if you register this callback using mediacodec_set_input_buffer_used_cb().
typedef void(* mediacodec_output_buffer_available_cb)(media_packet_h pkt, void *user_data) |
Called when the output buffer is available.
- Since :
- 2.3
It will be invoked when mediacodec has output buffer.
- Parameters:
-
[in] pkt The media packet handle [in] user_data The user data passed from the callback registration function
- Precondition:
- It will be invoked when mediacodec process completed(had output buffer) if you register this callback using mediacodec_set_fill_buffer_cb().
typedef bool(* mediacodec_supported_codec_cb)(mediacodec_codec_type_e codec_type, void *user_data) |
Called once for each supported codec types.
- Since :
- 2.4
- Parameters:
-
[in] codec_type The codec type [in] user_data The user data passed from the foreach function
- Returns:
true
to continue with the next iteration of the loop,false
to break out of the loop.
- Precondition:
- mediacodec_foreach_supported_codec() will invoke this callback.
- See also:
- mediacodec_foreach_supported_codec()
Enumeration Type Documentation
Enumerations of media codec type.
- Since :
- 2.3
- Enumerator:
enum mediacodec_error_e |
Enumeration of media codec error.
- Since :
- 2.3
- Enumerator:
enum mediacodec_status_e |
Enumeration of buffer status.
- Since :
- 2.4
Enumeration of media codec support type.
- Since :
- 2.3
- Remarks:
- If this codec is to be used as an encoder or decoder, the codec flag must be set to MEDIACODEC_ENCODER or MEDIACODEC_DECODER. If user doesn't set optional flag, default flags will be set to MEDIACODEC_SUPPORT_TYPE_SW.
Function Documentation
int mediacodec_create | ( | mediacodec_h * | mediacodec | ) |
Creates a mediacodec handle for decoding/encoding.
- Since :
- 2.3
- Remarks:
- you must release mediacodec using mediacodec_destroy().
Although you can create multiple mediacodec handles at the same time, the mediacodec cannot guarantee proper operation because of limited resources, like audio or display device.
- Parameters:
-
[out] mediacodec A new handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation
int mediacodec_destroy | ( | mediacodec_h | mediacodec | ) |
Destroys the mediacodec handle and releases all its resources.
- Since :
- 2.3
- Remarks:
- To completely shutdown the mediacodec operation, call this function with a valid player handle from any mediacodec
- Parameters:
-
[in] mediacodec The handle to mediacodec to be destroyed.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec);
int mediacodec_flush_buffers | ( | mediacodec_h | mediacodec | ) |
Flushes both input and output buffers.
- Since :
- 2.4
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter #include <media_codec.h> mediacodec_h mediacodec; media_packet_h pkt; media_packet_h out_pkt; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_prepare(mediacodec); mediacodec_process_input(pkt); mediacodec_flush_buffers(mediacodec);
int mediacodec_foreach_supported_codec | ( | mediacodec_h | mediacodec, |
mediacodec_supported_codec_cb | callback, | ||
void * | user_data | ||
) |
Retrieves all supported codecs by invoking callback function once for each supported codecs.
- Since :
- 2.4
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to invoke [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- See also:
- mediacodec_foreach_supported_codec()
int mediacodec_get_output | ( | mediacodec_h | mediacodec, |
media_packet_h * | outbuf, | ||
uint64_t | timeOutUs | ||
) |
Gets the decoded or encoded packet from the output queue.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [out] outbuf The current output of the decoder/encoder. this function passed decoded/encoded frame to output queue. [in] timeOutUs The timeout in microseconds.
The input buffer wait up to "timeOutUs" microseconds.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; media_packet_h pkt; media_packet_h out_pkt; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_prepare(mediacodec); mediacodec_process_input(pkt); mediacodec_get_output(mediacodec, &out_pkt, 1000);
int mediacodec_get_supported_type | ( | mediacodec_h | mediacodec, |
mediacodec_codec_type_e | codec_type, | ||
bool | encoder, | ||
int * | support_type | ||
) |
Verifies whether encoding can be performed with codec_type or not.
- Since :
- 2.4
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] codec_type The identifier of the codec type of the encoder. [in] encoder Whether the encoder or decoder : ( true
= encoder,false
= decoder).[out] support_type ( MEDIACODEC_SUPPORT_TYPE_HW
= mediacodec can be performed with hardware codec,MEDIACODEC_SUPPORT_TYPE_SW
= mediacodec can be performed with software codec)
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter #include <media_codec.h> mediacodec_h mediacodec; mediacodec_support_type_e type; mediacodec_codec_type_e codec_type = MEDIACODEC_H264; mediacodec_create(&mediacodec); mediacodec_get_supported_type(mediacodec, codec_type, 1, &type); if(type == MEDIACODEC_SUPPORT_TYPE_HW) // only h/w supported else if (type == MEDIACODEC_SUPPORT_TYPE_SW) // only s/w supported else if (type == (MEDIACODEC_SUPPORT_TYPE_HW|MEDIACODEC_SUPPORT_TYPE_SW) // both supported mediacodec_set_codec(mediacodec, codec_type, MEDIACODEC_ENCODER | MEDIACODEC_SUPPORT_TYPE_HW);
int mediacodec_prepare | ( | mediacodec_h | mediacodec | ) |
Prepares mediacodec for encoding/decoding.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation
- Precondition:
- The mediacodec should call mediacodec_set_codec()and mediacodec_set_vdec_info()/mediacodec_set_venc_info() before calling mediacodec_prepare() If the decoder is set by mediacodec_set_codec(), mediacodec_set_vdec_info() should be called. If the encoder is set by mediacodec_set_codec(), mediacodec_set_venc_info() should be called.
#include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_prepare(mediacodec);
int mediacodec_process_input | ( | mediacodec_h | mediacodec, |
media_packet_h | inbuf, | ||
uint64_t | timeOutUs | ||
) |
Decodes/Encodes a packet. The function passed undecoded/unencoded packet to the input queue and decode/encode a frame sequentially.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] inbuf The current input format for the decoder/encoder [in] timeOutUs The timeout in microseconds.
The input buffer wait up to "timeOutUs" microseconds.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation MEDIACODEC_ERROR_OVERFLOW_INBUFFER Overflow inputbuffer #include <media_codec.h> mediacodec_h mediacodec; media_packet_h pkt; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_prepare(mediacodec); mediacodec_process_input(pkt);
int mediacodec_set_adec_info | ( | mediacodec_h | mediacodec, |
int | samplerate, | ||
int | channel, | ||
int | bit | ||
) |
Sets the default info for the audio decoder.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] samplerate The samplerate for audio decoding. [in] channel The channels for audio decoding. [in] bit The bits resolution for audio decoding.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_AAC, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_SW); mediacodec_set_adec_info(mediacodec, 44100, 2, 16);
int mediacodec_set_aenc_info | ( | mediacodec_h | mediacodec, |
int | samplerate, | ||
int | channel, | ||
int | bit, | ||
int | bitrate | ||
) |
Sets the default info for the audio encdoer.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] samplerate The samplerate for audio encoding. [in] channel The channels for audio encoding. [in] bit The bits resolution for audio encoding. [in] bitrate The bitrate for audio encoding.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_AAC, MEDIACODEC_ENCODER | MEDIACODEC_SUPPORT_TYPE_SW); mediacodec_set_aenc_info(mediacodec, 44100, 2, 16, 128);
int mediacodec_set_buffer_status_cb | ( | mediacodec_h | mediacodec, |
mediacodec_buffer_status_cb | callback, | ||
void * | user_data | ||
) |
Registers a callback function to be invoked when the mediacodec needs more data or has enough data.
- Since :
- 2.4
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to register [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- Precondition:
- mediacodec_set_buffer_status_cb should be called before mediacodec_preare().
- Postcondition:
- mediacodec_buffer_status_cb will be invoked.
int mediacodec_set_codec | ( | mediacodec_h | mediacodec, |
mediacodec_codec_type_e | codec_type, | ||
mediacodec_support_type_e | flags | ||
) |
Sets the codec type and decoder/encoder.
- Since :
- 2.3
- Remarks:
- If this codec is to be used as a decoder, pass the MEDIACODEC_DECODER flag. If this codec is to be used as an encoder, pass the MEDIACODEC_ENCODER flag. By default, It is used software default setting. If user want software setting, pass the MEDIACODEC_SUPPORT_TYPE_SW flags.
- Parameters:
-
[in] mediacodec The handle of mediacodec [in] codec_type The identifier of the codec type of the decoder/encoder [in] flags The encoding/decoding scheme.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation MEDIACODEC_ERROR_CODEC_NOT_FOUND Codec not found #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_destroy(mediacodec);
int mediacodec_set_eos_cb | ( | mediacodec_h | mediacodec, |
mediacodec_eos_cb | callback, | ||
void * | user_data | ||
) |
set eos callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to register [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- Precondition:
- mediacodec_set_eos_cb should be called before mediacodec_preare().
- Postcondition:
- mediacodec_eos_cb will be invoked.
int mediacodec_set_error_cb | ( | mediacodec_h | mediacodec, |
mediacodec_error_cb | callback, | ||
void * | user_data | ||
) |
set error callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to register [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- Precondition:
- mediacodec_set_error_cb should be called before mediacodec_preare().
- Postcondition:
- mediacodec_error_cb will be invoked.
int mediacodec_set_input_buffer_used_cb | ( | mediacodec_h | mediacodec, |
mediacodec_input_buffer_used_cb | callback, | ||
void * | user_data | ||
) |
set empty buffer callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to register [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- Precondition:
- mediacodec_set_input_buffer_used_cb should be called before mediacodec_preare().
- Postcondition:
- mediacodec_input_buffer_used_cb will be invoked.
int mediacodec_set_output_buffer_available_cb | ( | mediacodec_h | mediacodec, |
mediacodec_output_buffer_available_cb | callback, | ||
void * | user_data | ||
) |
set output buffer available callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] callback The callback function to register [in] user_data The user data to be passed to the callback function
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- Precondition:
- mediacodec_set_output_buffer_available_cb should be called before mediacodec_preare().
- Postcondition:
- mediacodec_output_buffer_available_cb will be invoked.
int mediacodec_set_vdec_info | ( | mediacodec_h | mediacodec, |
int | width, | ||
int | height | ||
) |
Sets the default info for the video decoder.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] width The width for video decoding. [in] height The height for video decoding.
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW);
int mediacodec_set_venc_info | ( | mediacodec_h | mediacodec, |
int | width, | ||
int | height, | ||
int | fps, | ||
int | target_bits | ||
) |
Sets the default info for the video encoder.
- Since :
- 2.3
- Remarks:
- The frame rate is the speed of recording and the speed of playback. If user wants the default setting for ratecontrol, set target_bits to
0
.
- Parameters:
-
[in] mediacodec The handle to mediacodec [in] width The width for video encoding. [in] height The height for video encoding. [in] fps The frame rate in frames per second. [in] target_bits The target bitrates in bits per second.(a unit of kbit)
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_ENCODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_set_venc_info(mediacodec, 640, 480, 30, 1000);
int mediacodec_unprepare | ( | mediacodec_h | mediacodec | ) |
Unprepares mediacodec for encoding/decoding.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter MEDIACODEC_ERROR_OUT_OF_MEMORY Out of memory MEDIACODEC_ERROR_INVALID_OPERATION Invalid operation #include <media_codec.h> mediacodec_h mediacodec; mediacodec_create(&mediacodec); mediacodec_set_codec(mediacodec, MEDIACODEC_H264, MEDIACODEC_DECODER | MEDIACODEC_SUPPORT_TYPE_HW); mediacodec_prepare(mediacodec); mediacodec_unprepare(mediacodec);
int mediacodec_unset_buffer_status_cb | ( | mediacodec_h | mediacodec | ) |
Unregisters the callback function.
- Since :
- 2.4
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
int mediacodec_unset_eos_cb | ( | mediacodec_h | mediacodec | ) |
unset eos callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- See also:
- mediacodec_set_event_handler_cb()
int mediacodec_unset_error_cb | ( | mediacodec_h | mediacodec | ) |
unset error callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
- See also:
- mediacodec_set_error_cb()
int mediacodec_unset_input_buffer_used_cb | ( | mediacodec_h | mediacodec | ) |
unset input buffer used callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter
int mediacodec_unset_output_buffer_available_cb | ( | mediacodec_h | mediacodec | ) |
unset output buffer available callback the media codec for process, asynchronously.
- Since :
- 2.3
- Parameters:
-
[in] mediacodec The handle to mediacodec
- Returns:
0
on success, otherwise a negative error value
- Return values:
-
MEDIACODEC_ERROR_NONE Successful MEDIACODEC_ERROR_INVALID_PARAMETER Invalid parameter