claude-noether/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/context.c
+28 -19
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@@ -50,18 +50,27 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
struct object_config *config_object;
struct object_surface *surface_object;
struct object_context *context_object = NULL;
struct video_format *video_format;
unsigned int length;
unsigned int offset;
void *source_data = MAP_FAILED;
VASurfaceID *ids = NULL;
VAContextID id;
VAStatus status;
unsigned int output_type, capture_type;
unsigned int pixelformat;
unsigned int index_base;
unsigned int index;
unsigned int i;
int rc;
video_format = driver_data->video_format;
if (video_format == NULL)
return VA_STATUS_ERROR_OPERATION_FAILED;
output_type = v4l2_type_video_output(video_format->v4l2_mplane);
capture_type = v4l2_type_video_capture(video_format->v4l2_mplane);
config_object = CONFIG(driver_data, config_id);
if (config_object == NULL) {
status = VA_STATUS_ERROR_INVALID_CONFIG;
@@ -99,16 +108,14 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
goto error;
}
rc = v4l2_set_format(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, pixelformat,
rc = v4l2_set_format(driver_data->video_fd, output_type, pixelformat,
picture_width, picture_height);
if (rc < 0) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
}
rc = v4l2_create_buffers(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
rc = v4l2_create_buffers(driver_data->video_fd, output_type,
surfaces_count, &index_base);
if (rc < 0) {
status = VA_STATUS_ERROR_ALLOCATION_FAILED;
@@ -137,9 +144,8 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
goto error;
}
rc = v4l2_query_buffer(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, index,
&length, &offset, 1);
rc = v4l2_query_buffer(driver_data->video_fd, output_type,
index, &length, &offset, 1);
if (rc < 0) {
status = VA_STATUS_ERROR_ALLOCATION_FAILED;
goto error;
@@ -157,15 +163,13 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
surface_object->source_size = length;
}
rc = v4l2_set_stream(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, true);
rc = v4l2_set_stream(driver_data->video_fd, output_type, true);
if (rc < 0) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
}
rc = v4l2_set_stream(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, true);
rc = v4l2_set_stream(driver_data->video_fd, capture_type, true);
if (rc < 0) {
status = VA_STATUS_ERROR_OPERATION_FAILED;
goto error;
@@ -203,20 +207,27 @@ VAStatus RequestDestroyContext(VADriverContextP context, VAContextID context_id)
{
struct request_data *driver_data = context->pDriverData;
struct object_context *context_object;
struct video_format *video_format;
unsigned int output_type, capture_type;
VAStatus status;
int rc;
video_format = driver_data->video_format;
if (video_format == NULL)
return VA_STATUS_ERROR_OPERATION_FAILED;
output_type = v4l2_type_video_output(video_format->v4l2_mplane);
capture_type = v4l2_type_video_capture(video_format->v4l2_mplane);
context_object = CONTEXT(driver_data, context_id);
if (context_object == NULL)
return VA_STATUS_ERROR_INVALID_CONTEXT;
rc = v4l2_set_stream(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, false);
rc = v4l2_set_stream(driver_data->video_fd, output_type, false);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
rc = v4l2_set_stream(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, false);
rc = v4l2_set_stream(driver_data->video_fd, capture_type, false);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
@@ -232,13 +243,11 @@ VAStatus RequestDestroyContext(VADriverContextP context, VAContextID context_id)
object_heap_free(&driver_data->context_heap,
(struct object_base *)context_object);
rc = v4l2_request_buffers(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, 0);
rc = v4l2_request_buffers(driver_data->video_fd, output_type, 0);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;
rc = v4l2_request_buffers(driver_data->video_fd,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, 0);
rc = v4l2_request_buffers(driver_data->video_fd, capture_type, 0);
if (rc < 0)
return VA_STATUS_ERROR_OPERATION_FAILED;