marfrit/libva-v4l2-request-fourier
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Add support for the single-planar V4L2 API

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Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
This commit is contained in:
Paul Kocialkowski
2018-09-07 16:43:13 +02:00
parent 25a8ac4d7e
commit 7ff2543e64
12 changed files with 267 additions and 92 deletions
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src/surface.c
+48 -25
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@@ -58,6 +58,8 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
unsigned int destination_sizes[VIDEO_MAX_PLANES];
unsigned int destination_bytesperlines[VIDEO_MAX_PLANES];
unsigned int destination_planes_count;
unsigned int format_width, format_height;
unsigned int capture_type;
unsigned int index_base;
unsigned int index;
unsigned int i, j;
@@ -69,13 +71,13 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
return VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT;
found = v4l2_find_format(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_PIX_FMT_SUNXI_TILED_NV12);
if (found)
video_format = video_format_find(V4L2_PIX_FMT_SUNXI_TILED_NV12);
found = v4l2_find_format(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_PIX_FMT_NV12);
if (found)
video_format = video_format_find(V4L2_PIX_FMT_NV12);
@@ -85,21 +87,22 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
driver_data->video_format = video_format;
rc = v4l2_set_format(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
capture_type = v4l2_type_video_capture(video_format->v4l2_mplane);
rc = v4l2_set_format(driver_data->video_fd, capture_type,
video_format->v4l2_format, width, height);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
rc = v4l2_get_format(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, NULL, NULL,
destination_bytesperlines, destination_sizes,
&destination_planes_count);
rc = v4l2_get_format(driver_data->video_fd, capture_type, &format_width,
&format_height, destination_bytesperlines,
destination_sizes, NULL);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
rc = v4l2_create_buffers(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
destination_planes_count = video_format->planes_count;
rc = v4l2_create_buffers(driver_data->video_fd, capture_type,
surfaces_count, &index_base);
if (rc < 0)
return VA_STATUS_ERROR_ALLOCATION_FAILED;
@@ -112,8 +115,7 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
if (surface_object == NULL)
return VA_STATUS_ERROR_ALLOCATION_FAILED;
rc = v4l2_query_buffer(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
rc = v4l2_query_buffer(driver_data->video_fd, capture_type,
index,
surface_object->destination_map_lengths,
surface_object->destination_map_offsets,
@@ -133,7 +135,19 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
return VA_STATUS_ERROR_ALLOCATION_FAILED;
}
/*
* FIXME: Handle this per-pixelformat, trying to generalize it
* is not a reasonable approach. The final description should be
* in terms of (logical) planes.
*/
if (video_format->v4l2_buffers_count == 1) {
destination_sizes[0] = destination_bytesperlines[0] *
format_height;
for (j = 1; j < destination_planes_count; j++)
destination_sizes[j] = destination_sizes[0] / 2;
for (j = 0; j < destination_planes_count; j++) {
surface_object->destination_offsets[j] =
j > 0 ? destination_sizes[j - 1] : 0;
@@ -143,7 +157,7 @@ VAStatus RequestCreateSurfaces2(VADriverContextP context, unsigned int format,
surface_object->destination_sizes[j] =
destination_sizes[j];
surface_object->destination_bytesperlines[j] =
destination_bytesperlines[j];
destination_bytesperlines[0];
}
} else if (video_format->v4l2_buffers_count == destination_planes_count) {
for (j = 0; j < destination_planes_count; j++) {
@@ -233,9 +247,20 @@ VAStatus RequestSyncSurface(VADriverContextP context, VASurfaceID surface_id)
struct request_data *driver_data = context->pDriverData;
struct object_surface *surface_object;
VAStatus status;
struct video_format *video_format;
unsigned int output_type, capture_type;
int request_fd = -1;
int rc;
video_format = driver_data->video_format;
if (video_format == NULL) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
}
output_type = v4l2_type_video_output(video_format->v4l2_mplane);
capture_type = v4l2_type_video_capture(video_format->v4l2_mplane);
surface_object = SURFACE(driver_data, surface_id);
if (surface_object == NULL) {
status = VA_STATUS_ERROR_INVALID_SURFACE;
@@ -271,16 +296,14 @@ VAStatus RequestSyncSurface(VADriverContextP context, VASurfaceID surface_id)
goto error;
}
rc = v4l2_dequeue_buffer(driver_data->video_fd, -1,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
rc = v4l2_dequeue_buffer(driver_data->video_fd, -1, output_type,
surface_object->source_index, 1);
if (rc < 0) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
}
rc = v4l2_dequeue_buffer(driver_data->video_fd, -1,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
rc = v4l2_dequeue_buffer(driver_data->video_fd, -1, capture_type,
surface_object->destination_index,
surface_object->destination_buffers_count);
if (rc < 0) {
@@ -433,11 +456,16 @@ VAStatus RequestExportSurfaceHandle(VADriverContextP context,
int *export_fds = NULL;
unsigned int export_fds_count;
unsigned int planes_count;
unsigned int capture_type;
unsigned int size;
unsigned int i;
VAStatus status;
int rc;
video_format = driver_data->video_format;
if (video_format == NULL)
return VA_STATUS_ERROR_OPERATION_FAILED;
if (mem_type != VA_SURFACE_ATTRIB_MEM_TYPE_DRM_PRIME_2)
return VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE;
@@ -448,8 +476,9 @@ VAStatus RequestExportSurfaceHandle(VADriverContextP context,
export_fds_count = surface_object->destination_buffers_count;
export_fds = malloc(export_fds_count * sizeof(*export_fds));
rc = v4l2_export_buffer(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
capture_type = v4l2_type_video_capture(video_format->v4l2_mplane);
rc = v4l2_export_buffer(driver_data->video_fd, capture_type,
surface_object->destination_index, O_RDONLY,
export_fds, export_fds_count);
if (rc < 0) {
@@ -459,12 +488,6 @@ VAStatus RequestExportSurfaceHandle(VADriverContextP context,
planes_count = surface_object->destination_planes_count;
video_format = driver_data->video_format;
if (video_format == NULL) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
}
surface_descriptor->fourcc = VA_FOURCC_NV12;
surface_descriptor->width = surface_object->width;
surface_descriptor->height = surface_object->height;