marfrit/libva-v4l2-request-fourier
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Introduce and use dedicated v4l2 helpers to replace inline ioctls

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Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
This commit is contained in:
Paul Kocialkowski
2018-04-24 15:38:23 +02:00
parent 5139aa6731
commit c7f0d7684a
7 changed files with 385 additions and 201 deletions
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src/config.c
+7 -20
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@@ -33,6 +33,8 @@
#include <linux/videodev2.h>
#include "v4l2.h"
VAStatus SunxiCedrusCreateConfig(VADriverContextP context, VAProfile profile,
VAEntrypoint entrypoint, VAConfigAttrib *attributes,
int attributes_count, VAConfigID *config_id)
@@ -100,28 +102,13 @@ VAStatus SunxiCedrusQueryConfigProfiles(VADriverContextP context,
{
struct sunxi_cedrus_driver_data *driver_data =
(struct sunxi_cedrus_driver_data *) context->pDriverData;
struct v4l2_fmtdesc format_description;
unsigned int index = 0;
int rc;
bool found;
memset(&format_description, 0, sizeof(format_description));
format_description.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
format_description.index = 0;
for (format_description.index = 0; index < SUNXI_CEDRUS_MAX_CONFIG_ATTRIBUTES ; format_description.index++) {
rc = ioctl(driver_data->mem2mem_fd, VIDIOC_ENUM_FMT, &format_description);
if (rc < 0)
break;
switch (format_description.pixelformat) {
case V4L2_PIX_FMT_MPEG2_FRAME:
if (index >= (SUNXI_CEDRUS_MAX_CONFIG_ATTRIBUTES - 2))
break;
profiles[index++] = VAProfileMPEG2Simple;
profiles[index++] = VAProfileMPEG2Main;
break;
}
found = v4l2_find_format(driver_data->mem2mem_fd, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, V4L2_PIX_FMT_MPEG2_FRAME);
if (found && index < (SUNXI_CEDRUS_MAX_CONFIG_ATTRIBUTES - 2)) {
profiles[index++] = VAProfileMPEG2Simple;
profiles[index++] = VAProfileMPEG2Main;
}
*profiles_count = index;