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lavu: add a way to query hwcontext frame constraints

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Mark Thompson
2016-02-18 23:25:52 +00:00
committed by Anton Khirnov
parent 1098f5c049
commit b1f01e85a9
5 changed files with 128 additions and 1 deletions
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10
libavutil/hwcontext_internal.h
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@ -47,6 +47,12 @@ typedef struct HWContextType {
*/
size_t device_priv_size;
/**
* Size of the hardware-specific device configuration.
* (Used to query hwframe constraints.)
*/
size_t device_hwconfig_size;
/**
* size of the public frame pool hardware-specific context,
* i.e. AVHWFramesContext.hwctx
@ -61,6 +67,10 @@ typedef struct HWContextType {
int (*device_init)(AVHWDeviceContext *ctx);
void (*device_uninit)(AVHWDeviceContext *ctx);
int (*frames_get_constraints)(AVHWDeviceContext *ctx,
const void *hwconfig,
AVHWFramesConstraints *constraints);
int (*frames_init)(AVHWFramesContext *ctx);
void (*frames_uninit)(AVHWFramesContext *ctx);