and driver table memory is allocated by driver if driver wants to support it.
Signed-off-by: Austin Yuan <shengquan.yuan@gmail.com>
}
-VAStatus dummy_CopySurfaceToBuffer(
+VAStatus dummy_BufferInfo(
+ VADriverContextP ctx,
+ VAContextID context, /* in */
+ VABufferID buf_id, /* in */
+ VABufferType *type, /* out */
+ unsigned int *size, /* out */
+ unsigned int *num_elements /* out */
+ )
+{
+ /* TODO */
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+
+
+VAStatus dummy_LockSurface(
VADriverContextP ctx,
VASurfaceID surface,
unsigned int *fourcc, /* following are output argument */
unsigned int *luma_offset,
unsigned int *chroma_u_offset,
unsigned int *chroma_v_offset,
+ unsigned int *buffer_name,
void **buffer
)
{
/* TODO */
- return VA_STATUS_ERROR_UNKNOWN;
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
+
+VAStatus dummy_UnlockSurface(
+ VADriverContextP ctx,
+ VASurfaceID surface
+ )
+{
+ /* TODO */
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
}
VAStatus dummy_Terminate( VADriverContextP ctx )
ctx->vtable.vaQueryDisplayAttributes = dummy_QueryDisplayAttributes;
ctx->vtable.vaGetDisplayAttributes = dummy_GetDisplayAttributes;
ctx->vtable.vaSetDisplayAttributes = dummy_SetDisplayAttributes;
-
- ctx->vtable.vaCopySurfaceToBuffer = dummy_CopySurfaceToBuffer;
+ ctx->vtable.vaLockSurface = dummy_LockSurface;
+ ctx->vtable.vaUnlockSurface = dummy_UnlockSurface;
+ ctx->vtable.vaBufferInfo = dummy_BufferInfo;
driver_data = (struct dummy_driver_data *) malloc( sizeof(*driver_data) );
ctx->pDriverData = (void *) driver_data;
lib_LTLIBRARIES = \
libva.la \
+ libva-tpi.la \
libva-x11.la
libva_ladir = $(libdir)
libva_la_LDFLAGS = $(LDADD) -no-undefined
libva_la_LIBADD = $(LIBVA_LIBS) -ldl
+libva_tpi_ladir = $(libdir)
+libva_tpi_la_LDFLAGS = $(LDADD) -no-undefined
+libva_tpi_la_LIBADD = $(libvacorelib) -ldl
+
libva_x11_la_SOURCES =
libva_x11_la_LIBADD = $(libvacorelib) x11/libva_x11.la $(LIBVA_LIBS) $(X11_LIBS) $(XEXT_LIBS) $(DRM_LIBS) $(XFIXES_LIBS)
libva_x11_la_LDFLAGS = $(LDADD)
endif
libva_la_SOURCES = va.c va_trace.c
+libva_tpi_la_SOURCES = va_tpi.c
libvaincludedir = ${includedir}/va
-libvainclude_HEADERS = va.h va_x11.h va_backend.h va_dummy.h va_version.h
+libvainclude_HEADERS = va.h va_tpi.h va_x11.h va_backend.h va_backend_tpi.h va_dummy.h va_version.h
DISTCLEANFILES = \
va_version.h
+++ /dev/null
-/*
- * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#define _GNU_SOURCE 1
-#include "va.h"
-#include "va_backend.h"
-#include "va_android.h"
-#include "va_dricommon.h" /* needs some helper functions from this file */
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <dlfcn.h>
-#include <errno.h>
-#ifndef ANDROID
-#include <libudev.h>
-#include "drm_test.h"
-#endif
-
-#define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
-#define DEVICE_NAME "/dev/card0"
-
-static VADisplayContextP pDisplayContexts = NULL;
-
-static int open_device (char *dev_name)
-{
- struct stat st;
- int fd;
-
- if (-1 == stat (dev_name, &st))
- {
- printf ("Cannot identify '%s': %d, %s\n",
- dev_name, errno, strerror (errno));
- return -1;
- }
-
- if (!S_ISCHR (st.st_mode))
- {
- printf ("%s is no device\n", dev_name);
- return -1;
- }
-
- fd = open (dev_name, O_RDWR);
-
- if (-1 == fd)
- {
- fprintf (stderr, "Cannot open '%s': %d, %s\n",
- dev_name, errno, strerror (errno));
- return -1;
- }
-
- return fd;
-}
-
-static int va_DisplayContextIsValid (
- VADisplayContextP pDisplayContext
-)
-{
- VADisplayContextP ctx = pDisplayContexts;
-
- while (ctx)
- {
- if (ctx == pDisplayContext && pDisplayContext->pDriverContext)
- return 1;
- ctx = ctx->pNext;
- }
- return 0;
-}
-
-static void va_DisplayContextDestroy (
- VADisplayContextP pDisplayContext
-)
-{
- VADisplayContextP *ctx = &pDisplayContexts;
-
- /* Throw away pDisplayContext */
- while (*ctx)
- {
- if (*ctx == pDisplayContext)
- {
- *ctx = pDisplayContext->pNext;
- pDisplayContext->pNext = NULL;
- break;
- }
- ctx = &((*ctx)->pNext);
- }
- free(pDisplayContext->pDriverContext->dri_state);
- free(pDisplayContext->pDriverContext);
- free(pDisplayContext);
-}
-
-#ifdef ANDROID
-static VAStatus va_DisplayContextGetDriverName (
- VADisplayContextP pDisplayContext,
- char **driver_name
-)
-{
- VADriverContextP ctx = pDisplayContext->pDriverContext;
- struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
- char *driver_name_env;
- int vendor_id, device_id;
-
- struct {
- int vendor_id;
- int device_id;
- char driver_name[64];
- } devices[] = {
- { 0x8086, 0x4100, "pvr" },
- { 0x8086, 0x0130, "pvr" },
- { 0x0, 0x0, "\0" },
- };
-
- memset(dri_state, 0, sizeof(*dri_state));
- dri_state->fd = open_device(DEVICE_NAME);
-
- if (dri_state->fd < 0) {
- fprintf(stderr,"can't open DRM devices\n");
- return VA_STATUS_ERROR_UNKNOWN;
- }
-
- if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL
- && geteuid() == getuid()) {
- /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
- *driver_name = strdup(driver_name_env);
- return VA_STATUS_SUCCESS;
- } else { /* TBD: other vendor driver names */
- vendor_id = devices[0].vendor_id;
- device_id = devices[0].device_id;
- *driver_name = strdup(devices[0].driver_name);
- }
-
- dri_state->driConnectedFlag = VA_DUMMY;
-
- return VA_STATUS_SUCCESS;
-}
-#else
-static VAStatus va_DisplayContextGetDriverName (
- VADisplayContextP pDisplayContext,
- char **driver_name
-)
-{
- VADriverContextP ctx = pDisplayContext->pDriverContext;
- struct dri_state *dri_state = (struct dri_state *)ctx->dri_state;
- char *driver_name_env;
- int vendor_id, device_id;
-
- struct {
- int vendor_id;
- int device_id;
- char driver_name[64];
- } devices[] = {
- { 0x8086, 0x4100, "pvr" },
- { 0x8086, 0x0130, "pvr" },
- { 0x0, 0x0, "\0" },
- };
-
- memset(dri_state, 0, sizeof(*dri_state));
- dri_state->fd = drm_open_any(&vendor_id, &device_id);
-
- if (dri_state->fd < 0) {
- fprintf(stderr,"can't open DRM devices\n");
- return VA_STATUS_ERROR_UNKNOWN;
- }
-
- if ((driver_name_env = getenv("LIBVA_DRIVER_NAME")) != NULL
- && geteuid() == getuid()) {
- /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
- *driver_name = strdup(driver_name_env);
- return VA_STATUS_SUCCESS;
- } else { /* TBD: other vendor driver names */
- int i = 0;
-
- while (devices[i].device_id != 0) {
- if ((devices[i].vendor_id == vendor_id) &&
- (devices[i].device_id == device_id))
- break;
- i++;
- }
-
- if (devices[i].device_id != 0)
- *driver_name = strdup(devices[i].driver_name);
- else {
- fprintf(stderr,"device (0x%04x:0x%04x) is not supported\n",
- vendor_id, device_id);
-
- return VA_STATUS_ERROR_UNKNOWN;
- }
- }
-
- printf("DRM device is opened, loading driver %s for device 0x%04x:0x%04x\n",
- driver_name, vendor_id, device_id);
-
- dri_state->driConnectedFlag = VA_DUMMY;
-
- return VA_STATUS_SUCCESS;
-}
-#endif
-
-VADisplay vaGetDisplay (
- void *native_dpy /* implementation specific */
-)
-{
- VADisplay dpy = NULL;
- VADisplayContextP pDisplayContext = pDisplayContexts;
-
- if (!native_dpy)
- return NULL;
-
- while (pDisplayContext)
- {
- if (pDisplayContext->pDriverContext &&
- pDisplayContext->pDriverContext->native_dpy == (void *)native_dpy)
- {
- dpy = (VADisplay)pDisplayContext;
- break;
- }
- pDisplayContext = pDisplayContext->pNext;
- }
-
-
- if (!dpy)
- {
- /* create new entry */
- VADriverContextP pDriverContext;
- struct dri_state *dri_state;
- pDisplayContext = (VADisplayContextP)calloc(1, sizeof(*pDisplayContext));
- pDriverContext = (VADriverContextP)calloc(1, sizeof(*pDriverContext));
- dri_state = calloc(1, sizeof(*dri_state));
- if (pDisplayContext && pDriverContext && dri_state)
- {
- pDisplayContext->vadpy_magic = VA_DISPLAY_MAGIC;
-
- pDriverContext->native_dpy = (void *)native_dpy;
- pDisplayContext->pNext = pDisplayContexts;
- pDisplayContext->pDriverContext = pDriverContext;
- pDisplayContext->vaIsValid = va_DisplayContextIsValid;
- pDisplayContext->vaDestroy = va_DisplayContextDestroy;
- pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
- pDisplayContexts = pDisplayContext;
- pDriverContext->dri_state = dri_state;
- dpy = (VADisplay)pDisplayContext;
- }
- else
- {
- if (pDisplayContext)
- free(pDisplayContext);
- if (pDriverContext)
- free(pDriverContext);
- if (dri_state)
- free(dri_state);
- }
- }
-
- return dpy;
-}
-
-#define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
-#define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
-
-static int vaDisplayIsValid(VADisplay dpy)
-{
- VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
- return pDisplayContext && (pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC) && pDisplayContext->vaIsValid(pDisplayContext);
-}
-
-#ifdef ANDROID
-VAStatus vaPutSurface (
- VADisplay dpy,
- VASurfaceID surface,
- Surface *draw, /* Android Surface/Window */
- short srcx,
- short srcy,
- unsigned short srcw,
- unsigned short srch,
- short destx,
- short desty,
- unsigned short destw,
- unsigned short desth,
- VARectangle *cliprects, /* client supplied clip list */
- unsigned int number_cliprects, /* number of clip rects in the clip list */
- unsigned int flags /* de-interlacing flags */
-)
-{
- VADriverContextP ctx;
-
- CHECK_DISPLAY(dpy);
- ctx = CTX(dpy);
- return ctx->vtable.vaPutSurface( ctx, surface, (void *)draw, srcx, srcy, srcw, srch,
- destx, desty, destw, desth,
- cliprects, number_cliprects, flags );
-}
-
-#endif
--- /dev/null
+va_android.cpp
\ No newline at end of file
#include <errno.h>
#ifndef ANDROID
#include <libudev.h>
-#include "drm_test.h"
+#include "drmtest.h"
#endif
#define CHECK_SYMBOL(func) { if (!func) printf("func %s not found\n", #func); return VA_STATUS_ERROR_UNKNOWN; }
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
- if (ctx->vtable.vaBufferInfo)
- return ctx->vtable.vaBufferInfo( ctx, context, buf_id, type, size, num_elements );
- else
- return VA_STATUS_ERROR_UNIMPLEMENTED;
+ return ctx->vtable.vaBufferInfo( ctx, context, buf_id, type, size, num_elements );
}
VAStatus vaBeginPicture (
return ctx->vtable.vaSetDisplayAttributes ( ctx, attr_list, num_attributes );
}
-/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
- * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
- * of the frame, and to determine if the frame can be wrapped as a VA surface
- *
- * Application should make sure the frame is idle before the frame is passed into VA stack
- * and also a vaSyncSurface should be called before application tries to access the frame
- * from CI stack
- */
-VAStatus vaCreateSurfaceFromCIFrame (
- VADisplay dpy,
- unsigned long frame_id,
- VASurfaceID *surface /* out */
-)
-{
- VADriverContextP ctx;
- CHECK_DISPLAY(dpy);
- ctx = CTX(dpy);
-
- if (ctx->vtable.vaCreateSurfaceFromCIFrame)
- return ctx->vtable.vaCreateSurfaceFromCIFrame( ctx, frame_id, surface );
- else
- return VA_STATUS_ERROR_UNIMPLEMENTED;
-}
-
-
-/* Wrap a V4L2 buffer as a VA surface, so that V4L2 camera, VA encode
- * can share the data without copy
- * The VA driver should query the camera device from v4l2_fd to see
- * if camera device memory/buffer can be wrapped into a VA surface
- * Buffer information is passed in by v4l2_fmt and v4l2_buf structure,
- * VA driver also needs do further check if the buffer can meet encode
- * hardware requirement, such as dimension, fourcc, stride, etc
- *
- * Application should make sure the buffer is idle before the frame into VA stack
- * and also a vaSyncSurface should be called before application tries to access the frame
- * from V4L2 stack
- */
-VAStatus vaCreateSurfaceFromV4L2Buf(
- VADisplay dpy,
- int v4l2_fd, /* file descriptor of V4L2 device */
- struct v4l2_format *v4l2_fmt, /* format of V4L2 */
- struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
- VASurfaceID *surface /* out */
-)
-{
- VADriverContextP ctx;
- CHECK_DISPLAY(dpy);
- ctx = CTX(dpy);
-
- if (ctx->vtable.vaCreateSurfaceFromV4L2Buf)
- return ctx->vtable.vaCreateSurfaceFromV4L2Buf( ctx, v4l2_fd, v4l2_fmt, v4l2_buf, surface );
- else
- return VA_STATUS_ERROR_UNKNOWN;
-}
-
-/* It is a debug interface, and isn't exported in core VAAPI
- * It is used to dump surface data into system memory
- * Application should explicitly call free to release the buffer memory
- */
-
-VAStatus vaCopySurfaceToBuffer(VADisplay dpy,
+VAStatus vaLockSurface(VADisplay dpy,
VASurfaceID surface,
unsigned int *fourcc, /* following are output argument */
unsigned int *luma_stride,
unsigned int *luma_offset,
unsigned int *chroma_u_offset,
unsigned int *chroma_v_offset,
+ unsigned int *buffer_name,
void **buffer
)
{
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
- if (ctx->vtable.vaCopySurfaceToBuffer)
- return ctx->vtable.vaCopySurfaceToBuffer( ctx, surface, fourcc, luma_stride, chroma_u_stride, chroma_v_stride, luma_offset, chroma_u_offset, chroma_v_offset, buffer);
- else
- return VA_STATUS_ERROR_UNIMPLEMENTED;
+ return ctx->vtable.vaLockSurface( ctx, surface, fourcc, luma_stride, chroma_u_stride, chroma_v_stride, luma_offset, chroma_u_offset, chroma_v_offset, buffer_name, buffer);
+}
+
+
+VAStatus vaUnlockSurface(VADisplay dpy,
+ VASurfaceID surface
+)
+{
+ VADriverContextP ctx;
+ CHECK_DISPLAY(dpy);
+ ctx = CTX(dpy);
+
+ return ctx->vtable.vaUnlockSurface( ctx, surface );
}
VASurfaceID *surfaces /* out */
);
-/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
- * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
- * of the frame, and to determine if the frame can be wrapped as a VA surface
- *
- * Application should make sure the frame is idle before the frame is passed into VA stack
- * and also a vaSyncSurface should be called before application tries to access the frame
- * from CI stack
- */
-VAStatus vaCreateSurfaceFromCIFrame (
- VADisplay dpy,
- unsigned long frame_id,
- VASurfaceID *surface /* out */
-);
-
/*
* vaDestroySurfaces - Destroy resources associated with surfaces.
int num_attributes
);
- /* device specific */
- VAStatus (*vaCreateSurfaceFromCIFrame) (
- VADriverContextP ctx,
- unsigned long frame_id,
- VASurfaceID *surface /* out */
- );
-
-
- VAStatus (*vaCreateSurfaceFromV4L2Buf) (
- VADriverContextP ctx,
- int v4l2_fd, /* file descriptor of V4L2 device */
- struct v4l2_format *v4l2_fmt, /* format of V4L2 */
- struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
- VASurfaceID *surface /* out */
- );
-
+ /* used by va trace */
VAStatus (*vaBufferInfo) (
VADriverContextP ctx,
VAContextID context, /* in */
unsigned int *num_elements /* out */
);
-
- VAStatus (*vaCopySurfaceToBuffer) (
+ /* lock/unlock surface for external access */
+ VAStatus (*vaLockSurface) (
VADriverContextP ctx,
VASurfaceID surface,
unsigned int *fourcc, /* out for follow argument */
unsigned int *luma_offset,
unsigned int *chroma_u_offset,
unsigned int *chroma_v_offset,
- void **buffer
+ unsigned int *buffer_name, /* if it is not NULL, assign the low lever
+ * surface buffer name
+ */
+ void **buffer /* if it is not NULL, map the surface buffer for
+ * CPU access
+ */
+ );
+
+ VAStatus (*vaUnlockSurface) (
+ VADriverContextP ctx,
+ VASurfaceID surface
);
};
{
void *pDriverData;
struct VADriverVTable vtable;
+ void *vtable_tpi; /* the structure is malloc-ed */
void *native_dpy;
int x11_screen;
--- /dev/null
+/*
+ * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Video Decode Acceleration -Backend API
+ */
+
+#ifndef _VA_BACKEND_TPI_H_
+#define _VA_BACKEND_TPI_H_
+
+#include <va/va.h>
+#include <va/va_backend.h>
+
+#include <linux/videodev2.h>
+
+struct VADriverVTableTPI
+{
+ /* device specific */
+ VAStatus (*vaCreateSurfaceFromCIFrame) (
+ VADriverContextP ctx,
+ unsigned long frame_id,
+ VASurfaceID *surface /* out */
+ );
+
+ VAStatus (*vaCreateSurfaceFromV4L2Buf) (
+ VADriverContextP ctx,
+ int v4l2_fd, /* file descriptor of V4L2 device */
+ struct v4l2_format *v4l2_fmt, /* format of V4L2 */
+ struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
+ VASurfaceID *surface /* out */
+ );
+};
+
+
+#endif /* _VA_BACKEND_TPI_H_ */
--- /dev/null
+/*
+ * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define _GNU_SOURCE 1
+#include "va.h"
+#include "va_backend.h"
+#include "va_backend_tpi.h"
+#include "config.h"
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+#include <unistd.h>
+
+#define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
+#define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
+
+/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
+ * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
+ * of the frame, and to determine if the frame can be wrapped as a VA surface
+ *
+ * Application should make sure the frame is idle before the frame is passed into VA stack
+ * and also a vaSyncSurface should be called before application tries to access the frame
+ * from CI stack
+ */
+VAStatus vaCreateSurfaceFromCIFrame (
+ VADisplay dpy,
+ unsigned long frame_id,
+ VASurfaceID *surface /* out */
+)
+{
+ VADriverContextP ctx;
+ struct VADriverVTableTPI *tpi;
+ CHECK_DISPLAY(dpy);
+ ctx = CTX(dpy);
+
+ tpi = ( struct VADriverVTableTPI *)ctx->vtable_tpi;
+ if (tpi && tpi->vaCreateSurfaceFromCIFrame) {
+ return tpi->vaCreateSurfaceFromCIFrame( ctx, frame_id, surface );
+ } else
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+
+}
+
+/* Wrap a V4L2 buffer as a VA surface, so that V4L2 camera, VA encode
+ * can share the data without copy
+ * The VA driver should query the camera device from v4l2_fd to see
+ * if camera device memory/buffer can be wrapped into a VA surface
+ * Buffer information is passed in by v4l2_fmt and v4l2_buf structure,
+ * VA driver also needs do further check if the buffer can meet encode
+ * hardware requirement, such as dimension, fourcc, stride, etc
+ *
+ * Application should make sure the buffer is idle before the frame into VA stack
+ * and also a vaSyncSurface should be called before application tries to access the frame
+ * from V4L2 stack
+ */
+VAStatus vaCreateSurfaceFromV4L2Buf(
+ VADisplay dpy,
+ int v4l2_fd, /* file descriptor of V4L2 device */
+ struct v4l2_format *v4l2_fmt, /* format of V4L2 */
+ struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
+ VASurfaceID *surface /* out */
+)
+{
+ VADriverContextP ctx;
+ struct VADriverVTableTPI *tpi;
+ CHECK_DISPLAY(dpy);
+ ctx = CTX(dpy);
+
+ tpi = ( struct VADriverVTableTPI *)ctx->vtable_tpi;
+ if (tpi && tpi->vaCreateSurfaceFromV4L2Buf) {
+ return tpi->vaCreateSurfaceFromV4L2Buf( ctx, v4l2_fd, v4l2_fmt, v4l2_buf, surface );
+ } else
+ return VA_STATUS_ERROR_UNIMPLEMENTED;
+}
--- /dev/null
+/*
+ * Copyright (c) 2007-2009 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Wrap a CI (camera imaging) frame as a VA surface to share captured video between camear
+ * and VA encode. With frame_id, VA driver need to call CI interfaces to get the information
+ * of the frame, and to determine if the frame can be wrapped as a VA surface
+ *
+ * Application should make sure the frame is idle before the frame is passed into VA stack
+ * and also a vaSyncSurface should be called before application tries to access the frame
+ * from CI stack
+ */
+
+#include <va/va.h>
+VAStatus vaCreateSurfaceFromCIFrame (
+ VADisplay dpy,
+ unsigned long frame_id,
+ VASurfaceID *surface /* out */
+);
+
+VAStatus vaCreateSurfaceFromV4L2Buf(
+ VADisplay dpy,
+ int v4l2_fd, /* file descriptor of V4L2 device */
+ struct v4l2_format *v4l2_fmt, /* format of V4L2 */
+ struct v4l2_buffer *v4l2_buf, /* V4L2 buffer */
+ VASurfaceID *surface /* out */
+);
+
+
unsigned int luma_offset;
unsigned int chroma_u_offset;
unsigned int chroma_v_offset;
+ unsigned int buffer_name;
void *buffer;
char *Y_data, *UV_data, *tmp;
va_TraceMsg("***dump surface data***\n", trace_rendertarget);
- va_status = vaCopySurfaceToBuffer(dpy, trace_rendertarget, &fourcc, &luma_stride, &chroma_u_stride, &chroma_v_stride,
- &luma_offset, &chroma_u_offset, &chroma_v_offset, &buffer);
+ va_status = vaLockSurface(dpy, trace_rendertarget, &fourcc, &luma_stride, &chroma_u_stride, &chroma_v_stride,
+ &luma_offset, &chroma_u_offset, &chroma_v_offset, &buffer_name, &buffer);
if (va_status != VA_STATUS_SUCCESS)
return va_status;
tmp = UV_data + i * chroma_u_stride;
}
}
- free((void *)buffer);
}
projects / profile / ivi / libva.git / commitdiff