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lavd: add control message enums

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Adds messages that allows to control (audio) buffer and play/pause state.

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
This commit is contained in:
Lukasz Marek 2014-04-10 00:47:32 +02:00
parent 6db42a2b6b
commit c02e3dca2d
2 changed files with 40 additions and 3 deletions
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41
libavdevice/avdevice.h
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@ -140,7 +140,20 @@ enum AVAppToDevMessageType {
* data: AVDeviceRect: area required to be repainted. * data: AVDeviceRect: area required to be repainted.
* NULL: whole area is required to be repainted. * NULL: whole area is required to be repainted.
*/ */
AV_APP_TO_DEV_WINDOW_REPAINT = MKBETAG('R','E','P','A') AV_APP_TO_DEV_WINDOW_REPAINT = MKBETAG('R','E','P','A'),
/**
* Request pause/play.
*
* Application requests pause/unpause playback.
* Mostly usable with devices that have internal buffer.
* By default devices are not paused.
*
* data: NULL
*/
AV_APP_TO_DEV_PAUSE = MKBETAG('P', 'A', 'U', ' '),
AV_APP_TO_DEV_PLAY = MKBETAG('P', 'L', 'A', 'Y'),
AV_APP_TO_DEV_TOGGLE_PAUSE = MKBETAG('P', 'A', 'U', 'T'),
}; };
/** /**
@ -199,7 +212,31 @@ enum AVDevToAppMessageType {
* *
* data: NULL. * data: NULL.
*/ */
AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER = MKBETAG('B','D','E','S') AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER = MKBETAG('B','D','E','S'),
/**
* Buffer fullness status messages.
*
* Device signals buffer overflow/underflow.
*
* data: NULL.
*/
AV_DEV_TO_APP_BUFFER_OVERFLOW = MKBETAG('B','O','F','L'),
AV_DEV_TO_APP_BUFFER_UNDERFLOW = MKBETAG('B','U','F','L'),
/**
* Buffer readable/writable.
*
* Device informs that buffer is readable/writable.
* When possible, device informs how many bytes can be read/write.
*
* @warning Device may not inform when number of bytes than can be read/write changes.
*
* data: int64_t: amount of bytes available to read/write.
* NULL: amount of bytes available to read/write is not known.
*/
AV_DEV_TO_APP_BUFFER_READABLE = MKBETAG('B','R','D',' '),
AV_DEV_TO_APP_BUFFER_WRITABLE = MKBETAG('B','W','R',' '),
}; };
/** /**

2
libavdevice/version.h
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@ -28,7 +28,7 @@
#include "libavutil/version.h" #include "libavutil/version.h"
#define LIBAVDEVICE_VERSION_MAJOR 55 #define LIBAVDEVICE_VERSION_MAJOR 55
#define LIBAVDEVICE_VERSION_MINOR 12 #define LIBAVDEVICE_VERSION_MINOR 13
#define LIBAVDEVICE_VERSION_MICRO 100 #define LIBAVDEVICE_VERSION_MICRO 100
#define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \ #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \