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[client] transport: split video provider operations

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This commit is contained in:
Geoffrey McRae
2026-08-11 15:05:00 +10:00
parent eb6bb78db9
commit 96a5cf4ce8
6 changed files with 177 additions and 98 deletions
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76
client/include/interface/transport.h
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@@ -236,31 +236,9 @@ LG_TransportControl;
typedef uint64_t LG_TransportControlToken;
typedef struct LG_TransportOps
typedef struct LG_FrameOps
{
const char * name;
void (*setup)(void);
bool (*create)(LG_Transport ** transport);
void (*destroy)(LG_Transport ** transport);
LG_TransportStatus (*connect)(LG_Transport * transport,
LG_TransportSession * session);
void (*disconnect)(LG_Transport * transport);
bool (*sessionValid)(LG_Transport * transport);
bool (*supportsDMA)(LG_Transport * transport);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no input. */
const LG_InputOps *(*getInputOps)(LG_Transport * transport,
void ** opaque);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no audio. */
const LG_AudioOps *(*getAudioOps)(LG_Transport * transport,
void ** opaque);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no
* clipboard. */
const LG_ClipboardOps *(*getClipboardOps)(LG_Transport * transport,
void ** opaque);
bool (*attachRenderer)(LG_Transport * transport,
const LG_RendererInterop * interop);
void (*detachRenderer)(LG_Transport * transport);
@@ -274,16 +252,62 @@ typedef struct LG_TransportOps
const LG_TransportFrame * frame, LG_TransportFrameTiming * timing);
void (*releaseFrame)(LG_Transport * transport, LG_TransportFrame * frame);
/* Called by the frame consumer as it exits. A backend may release transient
* stream resources; nextFrame must reacquire them when the consumer restarts. */
* stream resources; nextFrame must reacquire them when the consumer
* restarts. */
void (*stopFrame)(LG_Transport * transport);
LG_TransportStatus (*nextPointer)(LG_Transport * transport,
LG_TransportPointer * pointer);
void (*releasePointer)(LG_Transport * transport,
LG_TransportPointer * pointer);
/* Called by the pointer consumer as it exits. A backend may release transient
* stream resources; nextPointer must reacquire them when the consumer restarts. */
/* Called by the pointer consumer as it exits. A backend may release
* transient stream resources; nextPointer must reacquire them when the
* consumer restarts. */
void (*stopPointer)(LG_Transport * transport);
}
LG_FrameOps;
typedef enum LG_VideoType
{
LG_VIDEO_TYPE_FRAME,
}
LG_VideoType;
typedef struct LG_VideoOps
{
const char * name;
LG_VideoType type;
const LG_FrameOps * frame;
}
LG_VideoOps;
typedef struct LG_TransportOps
{
const char * name;
void (*setup)(void);
bool (*create)(LG_Transport ** transport);
void (*destroy)(LG_Transport ** transport);
LG_TransportStatus (*connect)(LG_Transport * transport,
LG_TransportSession * session);
void (*disconnect)(LG_Transport * transport);
bool (*sessionValid)(LG_Transport * transport);
/* Queried after create. The returned operations remain valid until the
* transport is destroyed. NULL indicates that this transport has no video. */
const LG_VideoOps *(*getVideoOps)(LG_Transport * transport);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no input. */
const LG_InputOps *(*getInputOps)(LG_Transport * transport,
void ** opaque);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no audio. */
const LG_AudioOps *(*getAudioOps)(LG_Transport * transport,
void ** opaque);
/* Queried after connect. The returned operations and opaque value remain
* valid until disconnect; NULL indicates that this session has no
* clipboard. */
const LG_ClipboardOps *(*getClipboardOps)(LG_Transport * transport,
void ** opaque);
LG_TransportStatus (*sendControl)(LG_Transport * transport,
const LG_TransportControl * control, LG_TransportControlToken * token);