diff options
| -rw-r--r-- | gst/videofilter/gstvideoflip.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/gst/videofilter/gstvideoflip.c b/gst/videofilter/gstvideoflip.c index 713705751..3c03a09fc 100644 --- a/gst/videofilter/gstvideoflip.c +++ b/gst/videofilter/gstvideoflip.c @@ -78,6 +78,7 @@ static GstStaticPadTemplate gst_video_flip_src_template = GST_VIDEO_CAPS_YUV ("I420") ";" GST_VIDEO_CAPS_YUV ("YV12") ";" GST_VIDEO_CAPS_YUV ("IYUV") ";" GST_VIDEO_CAPS_YUV ("YUY2") ";" GST_VIDEO_CAPS_YUV ("UYVY") ";" + GST_VIDEO_CAPS_YUV ("NV12") ";" GST_VIDEO_CAPS_YUV ("NV21") ";" GST_VIDEO_CAPS_YUV ("YVYU") ) @@ -97,6 +98,7 @@ static GstStaticPadTemplate gst_video_flip_sink_template = GST_VIDEO_CAPS_YUV ("I420") ";" GST_VIDEO_CAPS_YUV ("YV12") ";" GST_VIDEO_CAPS_YUV ("IYUV") ";" GST_VIDEO_CAPS_YUV ("YUY2") ";" GST_VIDEO_CAPS_YUV ("UYVY") ";" + GST_VIDEO_CAPS_YUV ("NV12") ";" GST_VIDEO_CAPS_YUV ("NV21") ";" GST_VIDEO_CAPS_YUV ("YVYU") ) ); @@ -471,6 +473,216 @@ gst_video_flip_planar_yuv (GstVideoFlip * videoflip, guint8 * dest, } static void +gst_video_flip_semi_planar_yuv (GstVideoFlip * videoflip, guint8 * dest, + const guint8 * src) +{ + gint x, y; + guint8 const *s; + guint8 *d; + gint s_off, d_off; + GstVideoFormat format = videoflip->format; + gint sw = videoflip->from_width; + gint sh = videoflip->from_height; + gint dw = videoflip->to_width; + gint dh = videoflip->to_height; + gint src_y_stride, src_uv_stride; + gint src_y_offset, src_uv_offset; + gint src_y_height, src_uv_height; + gint src_y_width, src_uv_width; + gint dest_y_stride, dest_uv_stride; + gint dest_y_offset, dest_uv_offset; + gint dest_y_height, dest_uv_height; + gint dest_y_width, dest_uv_width; + + src_y_stride = gst_video_format_get_row_stride (format, 0, sw); + src_uv_stride = gst_video_format_get_row_stride (format, 1, sw); + + dest_y_stride = gst_video_format_get_row_stride (format, 0, dw); + dest_uv_stride = gst_video_format_get_row_stride (format, 1, dw); + + src_y_offset = gst_video_format_get_component_offset (format, 0, sw, sh); + src_uv_offset = gst_video_format_get_component_offset (format, 1, sw, sh); + + dest_y_offset = gst_video_format_get_component_offset (format, 0, dw, dh); + dest_uv_offset = gst_video_format_get_component_offset (format, 1, dw, dh); + + src_y_width = gst_video_format_get_component_width (format, 0, sw); + src_uv_width = gst_video_format_get_component_width (format, 1, sw); + + dest_y_width = gst_video_format_get_component_width (format, 0, dw); + dest_uv_width = gst_video_format_get_component_width (format, 1, dw); + + src_y_height = gst_video_format_get_component_height (format, 0, sh); + src_uv_height = gst_video_format_get_component_height (format, 1, sh); + + dest_y_height = gst_video_format_get_component_height (format, 0, dh); + dest_uv_height = gst_video_format_get_component_height (format, 1, dh); + + switch (videoflip->method) { + case GST_VIDEO_FLIP_METHOD_90R: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[(src_y_height - 1 - x) * src_y_stride + y]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = (src_uv_height - 1 - x) * src_uv_stride + y * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_90L: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[x * src_y_stride + (src_y_width - 1 - y)]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = x * src_uv_stride + (src_uv_width - 1 - y) * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_180: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[(src_y_height - 1 - y) * src_y_stride + (src_y_width - 1 - x)]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = (src_uv_height - 1 - y) * src_uv_stride + (src_uv_width - 1 - + x) * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_HORIZ: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[y * src_y_stride + (src_y_width - 1 - x)]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = y * src_uv_stride + (src_uv_width - 1 - x) * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_VERT: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[(src_y_height - 1 - y) * src_y_stride + x]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = (src_uv_height - 1 - y) * src_uv_stride + x * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_TRANS: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = s[x * src_y_stride + y]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = x * src_uv_stride + y * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + case GST_VIDEO_FLIP_METHOD_OTHER: + /* Flip Y */ + s = src + src_y_offset; + d = dest + dest_y_offset; + for (y = 0; y < dest_y_height; y++) { + for (x = 0; x < dest_y_width; x++) { + d[y * dest_y_stride + x] = + s[(src_y_height - 1 - x) * src_y_stride + (src_y_width - 1 - y)]; + } + } + /* Flip UV */ + s = src + src_uv_offset; + d = dest + dest_uv_offset; + for (y = 0; y < dest_uv_height; y++) { + for (x = 0; x < dest_uv_width; x++) { + d_off = y * dest_uv_stride + x * 2; + s_off = (src_uv_height - 1 - x) * src_uv_stride + (src_uv_width - 1 - + y) * 2; + d[d_off] = s[s_off]; + d[d_off + 1] = s[s_off + 1]; + } + } + break; + case GST_VIDEO_FLIP_METHOD_IDENTITY: + g_assert_not_reached (); + break; + default: + g_assert_not_reached (); + break; + } +} + +static void gst_video_flip_packed_simple (GstVideoFlip * videoflip, guint8 * dest, const guint8 * src) { @@ -863,6 +1075,10 @@ gst_video_flip_set_caps (GstBaseTransform * btrans, GstCaps * incaps, case GST_VIDEO_FORMAT_BGR: vf->process = gst_video_flip_packed_simple; break; + case GST_VIDEO_FORMAT_NV12: + case GST_VIDEO_FORMAT_NV21: + vf->process = gst_video_flip_semi_planar_yuv; + break; default: break; } |