* V4L2_PIX_FMT_* and AV_PIX_FMT_*
*/
-#undef __STRICT_ANSI__ //workaround due to broken kernel headers
-#include "config.h"
-#include "libavformat/internal.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/time.h>
-#if HAVE_SYS_VIDEOIO_H
-#include <sys/videoio.h>
-#else
-#if HAVE_ASM_TYPES_H
-#include <asm/types.h>
-#endif
-#include <linux/videodev2.h>
-#endif
-#include "libavutil/atomic.h"
-#include "libavutil/avassert.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/log.h"
-#include "libavutil/opt.h"
-#include "avdevice.h"
-#include "timefilter.h"
-#include "libavutil/parseutils.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/time.h"
-#include "libavutil/avstring.h"
+#include "v4l2-common.h"
#if CONFIG_LIBV4L2
#include <libv4l2.h>
int index;
};
-struct fmt_map {
- enum AVPixelFormat ff_fmt;
- enum AVCodecID codec_id;
- uint32_t v4l2_fmt;
-};
-
-static struct fmt_map fmt_conversion_table[] = {
- //ff_fmt codec_id v4l2_fmt
- { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420 },
- { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420 },
- { AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P },
- { AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV },
- { AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY },
- { AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P },
- { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410 },
- { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410 },
- { AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555 },
- { AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X },
- { AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565 },
- { AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X },
- { AV_PIX_FMT_BGR24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24 },
- { AV_PIX_FMT_RGB24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24 },
- { AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 },
- { AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 },
- { AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY },
-#ifdef V4L2_PIX_FMT_Y16
- { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 },
-#endif
- { AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 },
- { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG },
- { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG },
-#ifdef V4L2_PIX_FMT_H264
- { AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 },
-#endif
-#ifdef V4L2_PIX_FMT_CPIA1
- { AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 },
-#endif
-};
-
static int device_open(AVFormatContext *ctx)
{
struct v4l2_capability cap;
return 1;
}
-static uint32_t fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
-{
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(fmt_conversion_table); i++) {
- if ((codec_id == AV_CODEC_ID_NONE ||
- fmt_conversion_table[i].codec_id == codec_id) &&
- (pix_fmt == AV_PIX_FMT_NONE ||
- fmt_conversion_table[i].ff_fmt == pix_fmt)) {
- return fmt_conversion_table[i].v4l2_fmt;
- }
- }
-
- return 0;
-}
-
-static enum AVPixelFormat fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
-{
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(fmt_conversion_table); i++) {
- if (fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
- fmt_conversion_table[i].codec_id == codec_id) {
- return fmt_conversion_table[i].ff_fmt;
- }
- }
-
- return AV_PIX_FMT_NONE;
-}
-
-static enum AVCodecID fmt_v4l2codec(uint32_t v4l2_fmt)
-{
- int i;
-
- for (i = 0; i < FF_ARRAY_ELEMS(fmt_conversion_table); i++) {
- if (fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
- return fmt_conversion_table[i].codec_id;
- }
- }
-
- return AV_CODEC_ID_NONE;
-}
-
#if HAVE_STRUCT_V4L2_FRMIVALENUM_DISCRETE
static void list_framesizes(AVFormatContext *ctx, int fd, uint32_t pixelformat)
{
struct v4l2_fmtdesc vfd = { .type = V4L2_BUF_TYPE_VIDEO_CAPTURE };
while(!v4l2_ioctl(fd, VIDIOC_ENUM_FMT, &vfd)) {
- enum AVCodecID codec_id = fmt_v4l2codec(vfd.pixelformat);
- enum AVPixelFormat pix_fmt = fmt_v4l2ff(vfd.pixelformat, codec_id);
+ enum AVCodecID codec_id = avpriv_fmt_v4l2codec(vfd.pixelformat);
+ enum AVPixelFormat pix_fmt = avpriv_fmt_v4l2ff(vfd.pixelformat, codec_id);
vfd.index++;
{
int ret, i;
- *desired_format = fmt_ff2v4l(pix_fmt, s1->video_codec_id);
+ *desired_format = avpriv_fmt_ff2v4l(pix_fmt, s1->video_codec_id);
if (*desired_format) {
ret = device_init(s1, width, height, *desired_format);
}
if (!*desired_format) {
- for (i = 0; i<FF_ARRAY_ELEMS(fmt_conversion_table); i++) {
+ for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
if (s1->video_codec_id == AV_CODEC_ID_NONE ||
- fmt_conversion_table[i].codec_id == s1->video_codec_id) {
+ avpriv_fmt_conversion_table[i].codec_id == s1->video_codec_id) {
av_log(s1, AV_LOG_DEBUG, "Trying to set codec:%s pix_fmt:%s\n",
- avcodec_get_name(fmt_conversion_table[i].codec_id),
- (char *)av_x_if_null(av_get_pix_fmt_name(fmt_conversion_table[i].ff_fmt), "none"));
+ avcodec_get_name(avpriv_fmt_conversion_table[i].codec_id),
+ (char *)av_x_if_null(av_get_pix_fmt_name(avpriv_fmt_conversion_table[i].ff_fmt), "none"));
- *desired_format = fmt_conversion_table[i].v4l2_fmt;
+ *desired_format = avpriv_fmt_conversion_table[i].v4l2_fmt;
ret = device_init(s1, width, height, *desired_format);
if (ret >= 0)
break;
}
}
- *codec_id = fmt_v4l2codec(*desired_format);
+ *codec_id = avpriv_fmt_v4l2codec(*desired_format);
av_assert0(*codec_id != AV_CODEC_ID_NONE);
return ret;
}
if ((res = v4l2_set_parameters(s1)) < 0)
return res;
- st->codec->pix_fmt = fmt_v4l2ff(desired_format, codec_id);
+ st->codec->pix_fmt = avpriv_fmt_v4l2ff(desired_format, codec_id);
s->frame_size =
avpicture_get_size(st->codec->pix_fmt, s->width, s->height);
projects / ffmpeg / blobdiff