From e8ca390be85138225e97ab4ba78da1c7a2d10989 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Sebastian=20Dr=C3=B6ge?= Date: Sun, 18 Apr 2010 14:29:30 +0200 Subject: [PATCH] videoflip: Make processing more general and use libgstvideo for all format specific things --- gst/videofilter/gstvideoflip.c | 506 +++++++++++++++++++++++------------------ gst/videofilter/gstvideoflip.h | 3 + 2 files changed, 290 insertions(+), 219 deletions(-) diff --git a/gst/videofilter/gstvideoflip.c b/gst/videofilter/gstvideoflip.c index 0b7c8ae..6341576 100644 --- a/gst/videofilter/gstvideoflip.c +++ b/gst/videofilter/gstvideoflip.c @@ -1,6 +1,7 @@ /* GStreamer * Copyright (C) <1999> Erik Walthinsen * Copyright (C) <2003> David Schleef + * Copyright (C) <2010> Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -108,61 +109,6 @@ gst_video_flip_method_get_type (void) GST_BOILERPLATE (GstVideoFlip, gst_video_flip, GstVideoFilter, GST_TYPE_VIDEO_FILTER); -static gboolean -gst_video_flip_set_caps (GstBaseTransform * btrans, GstCaps * incaps, - GstCaps * outcaps) -{ - GstVideoFlip *vf = GST_VIDEO_FLIP (btrans); - GstStructure *in_s, *out_s; - gboolean ret = FALSE; - - in_s = gst_caps_get_structure (incaps, 0); - out_s = gst_caps_get_structure (outcaps, 0); - - if (gst_structure_get_int (in_s, "width", &vf->from_width) && - gst_structure_get_int (in_s, "height", &vf->from_height) && - gst_structure_get_int (out_s, "width", &vf->to_width) && - gst_structure_get_int (out_s, "height", &vf->to_height)) { - /* Check that they are correct */ - switch (vf->method) { - case GST_VIDEO_FLIP_METHOD_90R: - case GST_VIDEO_FLIP_METHOD_90L: - case GST_VIDEO_FLIP_METHOD_TRANS: - case GST_VIDEO_FLIP_METHOD_OTHER: - if ((vf->from_width != vf->to_height) || - (vf->from_height != vf->to_width)) { - GST_DEBUG_OBJECT (vf, "we are inverting width and height but caps " - "are not correct : %dx%d to %dx%d", vf->from_width, - vf->from_height, vf->to_width, vf->to_height); - goto beach; - } - break; - case GST_VIDEO_FLIP_METHOD_IDENTITY: - - break; - case GST_VIDEO_FLIP_METHOD_180: - case GST_VIDEO_FLIP_METHOD_HORIZ: - case GST_VIDEO_FLIP_METHOD_VERT: - if ((vf->from_width != vf->to_width) || - (vf->from_height != vf->to_height)) { - GST_DEBUG_OBJECT (vf, "we are keeping width and height but caps " - "are not correct : %dx%d to %dx%d", vf->from_width, - vf->from_height, vf->to_width, vf->to_height); - goto beach; - } - break; - default: - g_assert_not_reached (); - break; - } - } - - ret = TRUE; - -beach: - return ret; -} - static GstCaps * gst_video_flip_transform_caps (GstBaseTransform * trans, GstPadDirection direction, GstCaps * caps) @@ -207,265 +153,369 @@ gst_video_flip_transform_caps (GstBaseTransform * trans, return ret; } -/* Useful macros */ -#define GST_VIDEO_I420_Y_ROWSTRIDE(width) (GST_ROUND_UP_4(width)) -#define GST_VIDEO_I420_U_ROWSTRIDE(width) (GST_ROUND_UP_8(width)/2) -#define GST_VIDEO_I420_V_ROWSTRIDE(width) ((GST_ROUND_UP_8(GST_VIDEO_I420_Y_ROWSTRIDE(width)))/2) - -#define GST_VIDEO_I420_Y_OFFSET(w,h) (0) -#define GST_VIDEO_I420_U_OFFSET(w,h) (GST_VIDEO_I420_Y_OFFSET(w,h)+(GST_VIDEO_I420_Y_ROWSTRIDE(w)*GST_ROUND_UP_2(h))) -#define GST_VIDEO_I420_V_OFFSET(w,h) (GST_VIDEO_I420_U_OFFSET(w,h)+(GST_VIDEO_I420_U_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2)) - -#define GST_VIDEO_I420_SIZE(w,h) (GST_VIDEO_I420_V_OFFSET(w,h)+(GST_VIDEO_I420_V_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2)) - static gboolean gst_video_flip_get_unit_size (GstBaseTransform * btrans, GstCaps * caps, guint * size) { GstVideoFlip *videoflip = GST_VIDEO_FLIP (btrans); - GstStructure *structure; - gboolean ret = FALSE; + GstVideoFormat format; gint width, height; - structure = gst_caps_get_structure (caps, 0); - if (gst_structure_get_int (structure, "width", &width) && - gst_structure_get_int (structure, "height", &height)) { - *size = GST_VIDEO_I420_SIZE (width, height); - ret = TRUE; - GST_DEBUG_OBJECT (videoflip, "our frame size is %d bytes (%dx%d)", *size, - width, height); - } + if (!gst_video_format_parse_caps (caps, &format, &width, &height)) + return FALSE; - return ret; + *size = gst_video_format_get_size (format, width, height); + + GST_DEBUG_OBJECT (videoflip, "our frame size is %d bytes (%dx%d)", *size, + width, height); + + return TRUE; } -static GstFlowReturn -gst_video_flip_flip (GstVideoFlip * videoflip, guint8 * dest, - const guint8 * src, int sw, int sh, int dw, int dh) +static void +gst_video_flip_planar_yuv (GstVideoFlip * videoflip, guint8 * dest, + const guint8 * src) { - GstFlowReturn ret = GST_FLOW_OK; - int x, y; - guint8 const *s = src; - guint8 *d = dest; + gint x, y; + guint8 const *s; + guint8 *d; + 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_u_stride, src_v_stride; + gint src_y_offset, src_u_offset, src_v_offset; + gint src_y_height, src_u_height, src_v_height; + gint src_y_width, src_u_width, src_v_width; + gint dest_y_stride, dest_u_stride, dest_v_stride; + gint dest_y_offset, dest_u_offset, dest_v_offset; + gint dest_y_height, dest_u_height, dest_v_height; + gint dest_y_width, dest_u_width, dest_v_width; + + src_y_stride = gst_video_format_get_row_stride (format, 0, sw); + src_u_stride = gst_video_format_get_row_stride (format, 1, sw); + src_v_stride = gst_video_format_get_row_stride (format, 2, sw); + + dest_y_stride = gst_video_format_get_row_stride (format, 0, dw); + dest_u_stride = gst_video_format_get_row_stride (format, 1, dw); + dest_v_stride = gst_video_format_get_row_stride (format, 2, dw); + + src_y_offset = gst_video_format_get_component_offset (format, 0, sw, sh); + src_u_offset = gst_video_format_get_component_offset (format, 1, sw, sh); + src_v_offset = gst_video_format_get_component_offset (format, 2, sw, sh); + + dest_y_offset = gst_video_format_get_component_offset (format, 0, dw, dh); + dest_u_offset = gst_video_format_get_component_offset (format, 1, dw, dh); + dest_v_offset = gst_video_format_get_component_offset (format, 2, dw, dh); + + src_y_width = gst_video_format_get_component_width (format, 0, sw); + src_u_width = gst_video_format_get_component_width (format, 1, sw); + src_v_width = gst_video_format_get_component_width (format, 2, sw); + + dest_y_width = gst_video_format_get_component_width (format, 0, dw); + dest_u_width = gst_video_format_get_component_width (format, 1, dw); + dest_v_width = gst_video_format_get_component_width (format, 2, dw); + + src_y_height = gst_video_format_get_component_height (format, 0, sh); + src_u_height = gst_video_format_get_component_height (format, 1, sh); + src_v_height = gst_video_format_get_component_height (format, 2, sh); + + dest_y_height = gst_video_format_get_component_height (format, 0, dh); + dest_u_height = gst_video_format_get_component_height (format, 1, dh); + dest_v_height = gst_video_format_get_component_height (format, 2, dh); switch (videoflip->method) { case GST_VIDEO_FLIP_METHOD_90R: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[(sh - 1 - x) * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - x) * GST_VIDEO_I420_U_ROWSTRIDE (sw) + y]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[(src_u_height - 1 - x) * src_u_stride + y]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - x) * GST_VIDEO_I420_V_ROWSTRIDE (sw) + y]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[(src_v_height - 1 - x) * src_v_stride + y]; } } break; case GST_VIDEO_FLIP_METHOD_90L: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + (sw - 1 - 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_U_ROWSTRIDE (sw) + (sw / 2 - 1 - y)]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[x * src_u_stride + (src_u_width - 1 - y)]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_V_ROWSTRIDE (sw) + (sw / 2 - 1 - y)]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[x * src_v_stride + (src_v_width - 1 - y)]; } } break; case GST_VIDEO_FLIP_METHOD_180: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[(sh - 1 - y) * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + (sw - 1 - x)]; + 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - y) * GST_VIDEO_I420_U_ROWSTRIDE (sw) + (sw / 2 - - 1 - x)]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[(src_u_height - 1 - y) * src_u_stride + (src_u_width - 1 - x)]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - y) * GST_VIDEO_I420_V_ROWSTRIDE (sw) + (sw / 2 - - 1 - x)]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[(src_v_height - 1 - y) * src_v_stride + (src_v_width - 1 - x)]; } } break; case GST_VIDEO_FLIP_METHOD_HORIZ: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[y * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + (sw - 1 - x)]; + 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[y * GST_VIDEO_I420_U_ROWSTRIDE (sw) + (sw / 2 - 1 - x)]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[y * src_u_stride + (src_u_width - 1 - x)]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[y * GST_VIDEO_I420_V_ROWSTRIDE (sw) + (sw / 2 - 1 - x)]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[y * src_v_stride + (src_v_width - 1 - x)]; } } break; case GST_VIDEO_FLIP_METHOD_VERT: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[(sh - 1 - y) * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + x]; + 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - y) * GST_VIDEO_I420_U_ROWSTRIDE (sw) + x]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[(src_u_height - 1 - y) * src_u_stride + x]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - y) * GST_VIDEO_I420_V_ROWSTRIDE (sw) + x]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[(src_v_height - 1 - y) * src_v_stride + x]; } } break; case GST_VIDEO_FLIP_METHOD_TRANS: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_U_ROWSTRIDE (sw) + y]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = s[x * src_u_stride + y]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[x * GST_VIDEO_I420_V_ROWSTRIDE (sw) + y]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_v_stride + x] = s[x * src_v_stride + y]; } } break; case GST_VIDEO_FLIP_METHOD_OTHER: /* Flip Y */ - for (y = 0; y < dh; y++) { - for (x = 0; x < dw; x++) { - d[y * GST_VIDEO_I420_Y_ROWSTRIDE (dw) + x] = - s[(sh - 1 - x) * GST_VIDEO_I420_Y_ROWSTRIDE (sw) + (sw - 1 - 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 U */ - s = src + GST_VIDEO_I420_U_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_U_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_U_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - x) * GST_VIDEO_I420_U_ROWSTRIDE (sw) + (sw / 2 - - 1 - y)]; + s = src + src_u_offset; + d = dest + dest_u_offset; + for (y = 0; y < dest_u_height; y++) { + for (x = 0; x < dest_u_width; x++) { + d[y * dest_u_stride + x] = + s[(src_u_height - 1 - x) * src_u_stride + (src_u_width - 1 - y)]; } } /* Flip V */ - s = src + GST_VIDEO_I420_V_OFFSET (sw, sh); - d = dest + GST_VIDEO_I420_V_OFFSET (dw, dh); - for (y = 0; y < dh / 2; y++) { - for (x = 0; x < dw / 2; x++) { - d[y * GST_VIDEO_I420_V_ROWSTRIDE (dw) + x] = - s[(sh / 2 - 1 - x) * GST_VIDEO_I420_V_ROWSTRIDE (sw) + (sw / 2 - - 1 - y)]; + s = src + src_v_offset; + d = dest + dest_v_offset; + for (y = 0; y < dest_v_height; y++) { + for (x = 0; x < dest_v_width; x++) { + d[y * dest_v_stride + x] = + s[(src_v_height - 1 - x) * src_v_stride + (src_v_width - 1 - y)]; } } break; case GST_VIDEO_FLIP_METHOD_IDENTITY: - memcpy (d, s, GST_VIDEO_I420_SIZE (dw, dh)); + g_assert_not_reached (); break; default: - ret = GST_FLOW_ERROR; + g_assert_not_reached (); break; } +} - return ret; +static gboolean +gst_video_flip_set_caps (GstBaseTransform * btrans, GstCaps * incaps, + GstCaps * outcaps) +{ + GstVideoFlip *vf = GST_VIDEO_FLIP (btrans); + GstVideoFormat in_format, out_format; + gboolean ret = FALSE; + + vf->process = NULL; + + if (!gst_video_format_parse_caps (incaps, &in_format, &vf->from_width, + &vf->from_height) + || !gst_video_format_parse_caps (outcaps, &out_format, &vf->to_width, + &vf->to_height)) + goto invalid_caps; + + if (in_format != out_format) + goto invalid_caps; + vf->format = in_format; + + /* Check that they are correct */ + switch (vf->method) { + case GST_VIDEO_FLIP_METHOD_90R: + case GST_VIDEO_FLIP_METHOD_90L: + case GST_VIDEO_FLIP_METHOD_TRANS: + case GST_VIDEO_FLIP_METHOD_OTHER: + if ((vf->from_width != vf->to_height) || + (vf->from_height != vf->to_width)) { + GST_ERROR_OBJECT (vf, "we are inverting width and height but caps " + "are not correct : %dx%d to %dx%d", vf->from_width, + vf->from_height, vf->to_width, vf->to_height); + goto beach; + } + break; + case GST_VIDEO_FLIP_METHOD_IDENTITY: + + break; + case GST_VIDEO_FLIP_METHOD_180: + case GST_VIDEO_FLIP_METHOD_HORIZ: + case GST_VIDEO_FLIP_METHOD_VERT: + if ((vf->from_width != vf->to_width) || + (vf->from_height != vf->to_height)) { + GST_ERROR_OBJECT (vf, "we are keeping width and height but caps " + "are not correct : %dx%d to %dx%d", vf->from_width, + vf->from_height, vf->to_width, vf->to_height); + goto beach; + } + break; + default: + g_assert_not_reached (); + break; + } + + ret = TRUE; + + switch (vf->format) { + case GST_VIDEO_FORMAT_I420: + case GST_VIDEO_FORMAT_YV12: + vf->process = gst_video_flip_planar_yuv; + break; + default: + break; + } + +beach: + return ret && (vf->process != NULL); + +invalid_caps: + GST_ERROR_OBJECT (vf, "Invalid caps: %" GST_PTR_FORMAT " -> %" GST_PTR_FORMAT, + incaps, outcaps); + return FALSE; } -static GstFlowReturn -gst_video_flip_transform (GstBaseTransform * trans, GstBuffer * in, - GstBuffer * out) +static void +gst_video_flip_before_transform (GstBaseTransform * trans, GstBuffer * in) { GstVideoFlip *videoflip = GST_VIDEO_FLIP (trans); - gpointer dest; - gconstpointer src; - int sw, sh, dw, dh; - GstFlowReturn ret = GST_FLOW_OK; GstClockTime timestamp, stream_time; - timestamp = GST_BUFFER_TIMESTAMP (out); + timestamp = GST_BUFFER_TIMESTAMP (in); stream_time = gst_segment_to_stream_time (&trans->segment, GST_FORMAT_TIME, timestamp); @@ -474,20 +524,33 @@ gst_video_flip_transform (GstBaseTransform * trans, GstBuffer * in, if (GST_CLOCK_TIME_IS_VALID (stream_time)) gst_object_sync_values (G_OBJECT (videoflip), stream_time); +} + +static GstFlowReturn +gst_video_flip_transform (GstBaseTransform * trans, GstBuffer * in, + GstBuffer * out) +{ + GstVideoFlip *videoflip = GST_VIDEO_FLIP (trans); + guint8 *dest; + const guint8 *src; + + if (G_UNLIKELY (videoflip->process == NULL)) + goto not_negotiated; src = GST_BUFFER_DATA (in); dest = GST_BUFFER_DATA (out); - sw = videoflip->from_width; - sh = videoflip->from_height; - dw = videoflip->to_width; - dh = videoflip->to_height; GST_LOG_OBJECT (videoflip, "videoflip: flipping %dx%d to %dx%d (%s)", - sw, sh, dw, dh, video_flip_methods[videoflip->method].value_nick); + videoflip->from_width, videoflip->from_height, videoflip->to_width, + videoflip->to_height, video_flip_methods[videoflip->method].value_nick); - ret = gst_video_flip_flip (videoflip, dest, src, sw, sh, dw, dh); + videoflip->process (videoflip, dest, src); - return ret; + return GST_FLOW_OK; + +not_negotiated: + GST_ERROR_OBJECT (videoflip, "Not negotiated yet"); + return GST_FLOW_NOT_NEGOTIATED; } static gboolean @@ -542,7 +605,7 @@ gst_video_flip_src_event (GstBaseTransform * trans, GstEvent * event) new_y = y; break; } - GST_DEBUG_OBJECT (vf, "to %fx%f", x, y); + GST_DEBUG_OBJECT (vf, "to %fx%f", new_x, new_y); gst_structure_set (structure, "pointer_x", G_TYPE_DOUBLE, new_x, "pointer_y", G_TYPE_DOUBLE, new_y, NULL); } @@ -569,6 +632,9 @@ gst_video_flip_set_property (GObject * object, guint prop_id, if (method != videoflip->method) { GstBaseTransform *btrans = GST_BASE_TRANSFORM (videoflip); + gst_base_transform_set_passthrough (btrans, + method == GST_VIDEO_FLIP_METHOD_IDENTITY); + GST_DEBUG_OBJECT (videoflip, "Changing method from %s to %s", video_flip_methods[videoflip->method].value_nick, video_flip_methods[method].value_nick); @@ -636,6 +702,8 @@ gst_video_flip_class_init (GstVideoFlipClass * klass) trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_flip_set_caps); trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_video_flip_get_unit_size); trans_class->transform = GST_DEBUG_FUNCPTR (gst_video_flip_transform); + trans_class->before_transform = + GST_DEBUG_FUNCPTR (gst_video_flip_before_transform); trans_class->src_event = GST_DEBUG_FUNCPTR (gst_video_flip_src_event); } diff --git a/gst/videofilter/gstvideoflip.h b/gst/videofilter/gstvideoflip.h index 42f8283..a998fa7 100644 --- a/gst/videofilter/gstvideoflip.h +++ b/gst/videofilter/gstvideoflip.h @@ -21,6 +21,7 @@ #define __GST_VIDEO_FLIP_H__ #include +#include #include G_BEGIN_DECLS @@ -72,10 +73,12 @@ struct _GstVideoFlip { GstVideoFilter videofilter; /* < private > */ + GstVideoFormat format; gint from_width, from_height; gint to_width, to_height; GstVideoFlipMethod method; + void (*process) (GstVideoFlip *videoflip, guint8 *dest, const guint8 *src); }; struct _GstVideoFlipClass { -- 2.7.4