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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-02-18 14:05:02 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-03-01 13:09:46 -0200 |
| commit | db6eb5b334a0f095290b99096f68ff24ab6df1aa (patch) | |
| tree | 234de6644e71d70f3544d32532d6aa026eb8ad75 | |
| parent | 1d1370a48ca285ebe197ecd3197a8d5f161bc291 (diff) | |
| download | op-kernel-dev-db6eb5b334a0f095290b99096f68ff24ab6df1aa.zip op-kernel-dev-db6eb5b334a0f095290b99096f68ff24ab6df1aa.tar.gz | |
V4L/DVB (5270): Add VIDIOC_G_ENC_INDEX ioctl
The VIDIOC_G_ENC_INDEX ioctl can obtain the MPEG index from an MPEG
encoder.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 9 | ||||
| -rw-r--r-- | drivers/media/video/videodev.c | 12 | ||||
| -rw-r--r-- | include/linux/videodev2.h | 30 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 2 |
4 files changed, 50 insertions, 3 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 3506cb6..2fe97c4 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -366,13 +366,16 @@ static const char *v4l2_ioctls[] = { [_IOC_NR(VIDIOC_ENUMAUDOUT)] = "VIDIOC_ENUMAUDOUT", [_IOC_NR(VIDIOC_G_PRIORITY)] = "VIDIOC_G_PRIORITY", [_IOC_NR(VIDIOC_S_PRIORITY)] = "VIDIOC_S_PRIORITY", -#if 1 [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP", -#endif [_IOC_NR(VIDIOC_LOG_STATUS)] = "VIDIOC_LOG_STATUS", [_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS", [_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS", - [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS" + [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS", +#if 1 + [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", + [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", + [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX" +#endif }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index dc9b1ef..cd13e610 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -1342,6 +1342,18 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, ret=vfd->vidioc_s_jpegcomp(file, fh, p); break; } + case VIDIOC_G_ENC_INDEX: + { + struct v4l2_enc_idx *p=arg; + + if (!vfd->vidioc_g_enc_index) + break; + ret=vfd->vidioc_g_enc_index(file, fh, p); + if (!ret) + dbgarg (cmd, "entries=%d, entries_cap=%d\n", + p->entries,p->entries_cap); + break; + } case VIDIOC_G_PARM: { struct v4l2_streamparm *p=arg; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index e3ab047..42cfdd2 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1193,6 +1193,35 @@ struct v4l2_audioout }; /* + * M P E G I N D E X + * + * NOTE: EXPERIMENTAL API + */ +#if 1 +#define V4L2_ENC_IDX_FRAME_I (0) +#define V4L2_ENC_IDX_FRAME_P (1) +#define V4L2_ENC_IDX_FRAME_B (2) +#define V4L2_ENC_IDX_FRAME_MASK (0xf) + +struct v4l2_enc_idx_entry { + __u64 offset; + __u64 pts; + __u32 length; + __u32 flags; + __u32 reserved[2]; +}; + +#define V4L2_ENC_IDX_ENTRIES (64) +struct v4l2_enc_idx { + __u32 entries; + __u32 entries_cap; + __u32 reserved[4]; + struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; +}; +#endif + + +/* * D A T A S E R V I C E S ( V B I ) * * Data services API by Michael Schimek @@ -1385,6 +1414,7 @@ struct v4l2_register { #if 1 #define VIDIOC_ENUM_FRAMESIZES _IOWR ('V', 74, struct v4l2_frmsizeenum) #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR ('V', 75, struct v4l2_frmivalenum) +#define VIDIOC_G_ENC_INDEX _IOR ('V', 76, struct v4l2_enc_idx) #endif /* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */ #define VIDIOC_DBG_S_REGISTER _IOW ('d', 100, struct v4l2_register) diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index aeec569..e5e87e4 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -271,6 +271,8 @@ struct video_device struct v4l2_jpegcompression *a); int (*vidioc_s_jpegcomp) (struct file *file, void *fh, struct v4l2_jpegcompression *a); + int (*vidioc_g_enc_index) (struct file *file, void *fh, + struct v4l2_enc_idx *a); /* Stream type-dependent parameter ioctls */ int (*vidioc_g_parm) (struct file *file, void *fh, |
