From 2d4d5f11ecf6df6974579c70461866932f0bd722 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Thu, 23 Aug 2007 21:15:24 -0300 Subject: [PATCH] V4L/DVB (6097): ivtv: set correct pixel format and alpha properties ivtv: set correct pixel format and alpha properties in VIDIOC_G_FBUF Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-driver.h | 1 - drivers/media/video/ivtv/ivtv-ioctl.c | 66 ++++++++++++++++++++------ 2 files changed, 52 insertions(+), 15 deletions(-) diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index 332d16415ebf..41f753c125da 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -672,7 +672,6 @@ struct ivtv { int osd_chroma_key_state; /* 1 = chroma-keying is on */ u8 osd_global_alpha; /* current global alpha */ u32 osd_chroma_key; /* current chroma key */ - u32 osd_pixelformat; /* current pixel format */ struct v4l2_rect osd_rect; /* current OSD position and size */ struct v4l2_rect main_rect; /* current Main window position and size */ struct osd_info *osd_info; /* ivtv-fb private OSD info */ diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c index 01215a1c4b82..6d24c6b9a45b 100644 --- a/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/drivers/media/video/ivtv/ivtv-ioctl.c @@ -699,6 +699,7 @@ static int ivtv_debug_ioctls(struct file *filp, unsigned int cmd, void *arg) int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg) { struct ivtv_open_id *id = NULL; + u32 data[CX2341X_MBOX_MAX_DATA]; if (filp) id = (struct ivtv_open_id *)filp->private_data; @@ -1183,22 +1184,59 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void case VIDIOC_G_FBUF: { struct v4l2_framebuffer *fb = arg; + int pixfmt; + static u32 pixel_format[16] = { + V4L2_PIX_FMT_RGB332, /* Really RGB Indexed */ + V4L2_PIX_FMT_RGB565, + V4L2_PIX_FMT_RGB555, + V4L2_PIX_FMT_RGB444, + V4L2_PIX_FMT_RGB32, + 0, + 0, + 0, + /* Really YUV variants */ + V4L2_PIX_FMT_RGB332, /* Really YUV Indexed */ + V4L2_PIX_FMT_RGB565, + V4L2_PIX_FMT_RGB555, + V4L2_PIX_FMT_RGB444, + V4L2_PIX_FMT_RGB32, + 0, + 0, + 0, + }; memset(fb, 0, sizeof(*fb)); if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY)) return -EINVAL; fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY | - V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA; - fb->fmt.pixelformat = itv->osd_pixelformat; + V4L2_FBUF_CAP_GLOBAL_ALPHA; + ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0); + data[0] |= (read_reg(0x2a00) >> 7) & 0x40; + pixfmt = (data[0] >> 3) & 0xf; + fb->fmt.pixelformat = pixel_format[pixfmt]; fb->fmt.width = itv->osd_rect.width; fb->fmt.height = itv->osd_rect.height; fb->base = (void *)itv->osd_video_pbase; - if (itv->osd_global_alpha_state) - fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA; - if (itv->osd_local_alpha_state) - fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA; if (itv->osd_chroma_key_state) fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY; + if (itv->osd_global_alpha_state) + fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA; + pixfmt &= 7; + /* no local alpha for RGB565 or unknown formats */ + if (pixfmt == 1 || pixfmt > 4) + break; + /* 16-bit formats have inverted local alpha */ + if (pixfmt == 2 || pixfmt == 3) + fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA; + else + fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA; + if (itv->osd_local_alpha_state) { + /* 16-bit formats have inverted local alpha */ + if (pixfmt == 2 || pixfmt == 3) + fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA; + else + fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA; + } break; } @@ -1208,7 +1246,8 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY)) return -EINVAL; itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0; - itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0; + itv->osd_local_alpha_state = + (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0; itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0; ivtv_set_osd_alpha(itv); break; @@ -1226,7 +1265,6 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void case VIDIOC_LOG_STATUS: { int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT; - u32 data[CX2341X_MBOX_MAX_DATA]; struct v4l2_input vidin; struct v4l2_audio audin; int i; @@ -1248,28 +1286,28 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void struct v4l2_output vidout; struct v4l2_audioout audout; int mode = itv->output_mode; - static const char * const output_modes[] = { + static const char * const output_modes[5] = { "None", "MPEG Streaming", "YUV Streaming", "YUV Frames", "Passthrough", }; - static const char * const audio_modes[] = { + static const char * const audio_modes[5] = { "Stereo", "Left", "Right", "Mono", "Swapped" }; - static const char * const alpha_mode[] = { + static const char * const alpha_mode[4] = { "None", "Global", "Local", "Global and Local" }; - static const char * const pixel_format[] = { - "RGB Indexed", + static const char * const pixel_format[16] = { + "ARGB Indexed", "RGB 5:6:5", "ARGB 1:5:5:5", "ARGB 1:4:4:4", @@ -1277,7 +1315,7 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void "5", "6", "7", - "YUV Indexed", + "AYUV Indexed", "YUV 5:6:5", "AYUV 1:5:5:5", "AYUV 1:4:4:4", -- 2.30.2