diff options
Diffstat (limited to 'drivers/media/video/zoran/zoran_card.c')
| -rw-r--r-- | drivers/media/video/zoran/zoran_card.c | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c index 18834b18435b..774717bf43cc 100644 --- a/drivers/media/video/zoran/zoran_card.c +++ b/drivers/media/video/zoran/zoran_card.c @@ -835,7 +835,8 @@ zoran_unregister_i2c (struct zoran *zr) int zoran_check_jpg_settings (struct zoran *zr, - struct zoran_jpg_settings *settings) + struct zoran_jpg_settings *settings, + int try) { int err = 0, err0 = 0; @@ -900,35 +901,61 @@ zoran_check_jpg_settings (struct zoran *zr, /* We have to check the data the user has set */ if (settings->HorDcm != 1 && settings->HorDcm != 2 && - (zr->card.type == DC10_new || settings->HorDcm != 4)) + (zr->card.type == DC10_new || settings->HorDcm != 4)) { + settings->HorDcm = clamp(settings->HorDcm, 1, 2); err0++; - if (settings->VerDcm != 1 && settings->VerDcm != 2) + } + if (settings->VerDcm != 1 && settings->VerDcm != 2) { + settings->VerDcm = clamp(settings->VerDcm, 1, 2); err0++; - if (settings->TmpDcm != 1 && settings->TmpDcm != 2) + } + if (settings->TmpDcm != 1 && settings->TmpDcm != 2) { + settings->TmpDcm = clamp(settings->TmpDcm, 1, 2); err0++; + } if (settings->field_per_buff != 1 && - settings->field_per_buff != 2) + settings->field_per_buff != 2) { + settings->field_per_buff = clamp(settings->field_per_buff, 1, 2); err0++; - if (settings->img_x < 0) + } + if (settings->img_x < 0) { + settings->img_x = 0; err0++; - if (settings->img_y < 0) + } + if (settings->img_y < 0) { + settings->img_y = 0; err0++; - if (settings->img_width < 0) + } + if (settings->img_width < 0 || settings->img_width > BUZ_MAX_WIDTH) { + settings->img_width = clamp(settings->img_width, 0, (int)BUZ_MAX_WIDTH); err0++; - if (settings->img_height < 0) + } + if (settings->img_height < 0 || settings->img_height > BUZ_MAX_HEIGHT / 2) { + settings->img_height = clamp(settings->img_height, 0, BUZ_MAX_HEIGHT / 2); err0++; - if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) + } + if (settings->img_x + settings->img_width > BUZ_MAX_WIDTH) { + settings->img_x = BUZ_MAX_WIDTH - settings->img_width; + err0++; + } + if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) { + settings->img_y = BUZ_MAX_HEIGHT / 2 - settings->img_height; err0++; - if (settings->img_y + settings->img_height > BUZ_MAX_HEIGHT / 2) + } + if (settings->img_width % (16 * settings->HorDcm) != 0) { + settings->img_width -= settings->img_width % (16 * settings->HorDcm); + if (settings->img_width == 0) + settings->img_width = 16 * settings->HorDcm; + err0++; + } + if (settings->img_height % (8 * settings->VerDcm) != 0) { + settings->img_height -= settings->img_height % (8 * settings->VerDcm); + if (settings->img_height == 0) + settings->img_height = 8 * settings->VerDcm; err0++; - if (settings->HorDcm && settings->VerDcm) { - if (settings->img_width % (16 * settings->HorDcm) != 0) - err0++; - if (settings->img_height % (8 * settings->VerDcm) != 0) - err0++; } - if (err0) { + if (!try && err0) { dprintk(1, KERN_ERR "%s: check_jpg_settings() - error in params for decimation = 0\n", @@ -1018,7 +1045,7 @@ zoran_open_init_params (struct zoran *zr) sizeof(zr->jpg_settings.jpg_comp.COM_data)); zr->jpg_settings.jpg_comp.jpeg_markers = JPEG_MARKER_DHT | JPEG_MARKER_DQT; - i = zoran_check_jpg_settings(zr, &zr->jpg_settings); + i = zoran_check_jpg_settings(zr, &zr->jpg_settings, 0); if (i) dprintk(1, KERN_ERR |