diff options
Diffstat (limited to 'gstreamer_ti_dm81xx/opensource_build/patchfiles/gst-plugins-base-0.10.32/0012-add-support-to-convert-to-YUY2-YUYV-color-format.patch')
| -rw-r--r-- | gstreamer_ti_dm81xx/opensource_build/patchfiles/gst-plugins-base-0.10.32/0012-add-support-to-convert-to-YUY2-YUYV-color-format.patch | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/gstreamer_ti_dm81xx/opensource_build/patchfiles/gst-plugins-base-0.10.32/0012-add-support-to-convert-to-YUY2-YUYV-color-format.patch b/gstreamer_ti_dm81xx/opensource_build/patchfiles/gst-plugins-base-0.10.32/0012-add-support-to-convert-to-YUY2-YUYV-color-format.patch new file mode 100644 index 0000000..d2c565c --- /dev/null +++ b/gstreamer_ti_dm81xx/opensource_build/patchfiles/gst-plugins-base-0.10.32/0012-add-support-to-convert-to-YUY2-YUYV-color-format.patch @@ -0,0 +1,197 @@ +From 2f3ab39353cb9dde02ba64ab89b7c7725b25ae3b Mon Sep 17 00:00:00 2001 +From: Rob Clark <rob@ti.com> +Date: Tue, 1 Dec 2009 22:42:43 -0600 +Subject: [PATCH 12/24] add support to convert to YUY2/YUYV color format + +--- + gst/stride/armv7.s | 63 ++++++++++++++++++++++++++++++++++++++++++ + gst/stride/convert.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++--- + 2 files changed, 133 insertions(+), 4 deletions(-) + +diff --git a/gst/stride/armv7.s b/gst/stride/armv7.s +index ed636f7..2697a14 100644 +--- a/gst/stride/armv7.s ++++ b/gst/stride/armv7.s +@@ -69,6 +69,69 @@ stride_copy_zip2_3: + bx lr + @} + ++ ++ .align ++ .global stride_copy_zip3a ++ .type stride_copy_zip3a, %function ++@void ++@stride_copy_zip3a (guchar *new_buf, ++@ guchar *orig_buf1, guchar *orig_buf2, guchar *orig_buf3, gint sz) ++@{ ++@@@@ note: r0-r3, q0-3, and q8-q15 do not need to be preserved ++stride_copy_zip3a: ++ pld [r1, #64] ++ pld [r2, #64] ++ pld [r3, #64] ++ ldr ip, [sp] @ the sz arg ++@ interleave remaining >= 32 bytes: ++ cmp ip, #32 ++ blt stride_copy_zip3a_2 ++stride_copy_zip3a_1: ++ vld1.8 {q8}, [r1]! @ Y ++ vld1.8 {q10}, [r1]! @ Y ++ vld1.8 {q9}, [r2]! @ U ++ vld1.8 {q11}, [r3]! @ V ++ ++ pld [r1, #64] ++ pld [r2, #64] ++ pld [r3, #64] ++ ++ vzip.8 q9, q11 @ interleave U&V ++ vzip.8 q8, q9 @ interleave Y1UV1 ++ vzip.8 q10, q11 @ interleave Y2UV2 ++ ++ vst1.8 {q8,q9}, [r0]! ++ vst1.8 {q10,q11}, [r0]! ++ ++ sub ip, ip, #32 ++ ++ cmp ip, #32 ++ bge stride_copy_zip3a_1 ++@ interleave remaining >= 16 bytes: ++stride_copy_zip3a_2: ++ cmp ip, #16 ++ blt stride_copy_zip3a_3 ++ ++ vld1.8 {d16}, [r1]! @ Y ++ vld1.8 {d18}, [r1]! @ Y ++ vld1.8 {d17}, [r2]! @ U ++ vld1.8 {d19}, [r3]! @ V ++ ++ vzip.8 d17, d19 @ interleave U&V ++ vzip.8 d16, d17 @ interleave Y1UV1 ++ vzip.8 d18, d19 @ interleave Y2UV2 ++ ++ vst1.8 {d16,d17}, [r0]! ++ vst1.8 {d18,d19}, [r0]! ++ ++ sub ip, ip, #16 ++@ copy remaining >= 8 bytes: ++stride_copy_zip3a_3: ++@XXX ++ bx lr ++@} ++ ++ + .align + .global stride_copy + .type stride_copy, %function +diff --git a/gst/stride/convert.c b/gst/stride/convert.c +index a15063b..0f59e78 100644 +--- a/gst/stride/convert.c ++++ b/gst/stride/convert.c +@@ -58,6 +58,19 @@ stride_copy_zip2 (guchar *new_buf, guchar *orig_buf1, guchar *orig_buf2, gint sz + } + + WEAK void ++stride_copy_zip3a (guchar *new_buf, ++ guchar *orig_buf1, guchar *orig_buf2, guchar *orig_buf3, gint sz) ++{ ++ while (sz > 1) { ++ *new_buf++ = *orig_buf1++; ++ *new_buf++ = *orig_buf2++; ++ *new_buf++ = *orig_buf1++; ++ *new_buf++ = *orig_buf3++; ++ sz -= 2; ++ } ++} ++ ++WEAK void + stride_copy (guchar *new_buf, guchar *orig_buf, gint sz) + { + memcpy (new_buf, orig_buf, sz); +@@ -99,6 +112,36 @@ stridemove_zip2 (guchar *new_buf, guchar *orig_buf1, guchar *orig_buf2, gint new + } + + /** ++ * move to strided buffer, interleaving three planes, where the first plane ++ * (orig_buf1) has 2x as many samples.. Ie. ABACABAC.. ++ */ ++static void ++stridemove_zip3a (guchar *new_buf, ++ guchar *orig_buf1, guchar *orig_buf2, guchar *orig_buf3, ++ guint new_width, gint orig_width, gint height) ++{ ++ gint copy_width = (new_width < orig_width) ? new_width : orig_width; ++ ++ while (height > 0) { ++ ++ /* even row */ ++ stride_copy_zip3a (new_buf, orig_buf1, orig_buf2, orig_buf3, copy_width); ++ new_buf += new_width; ++ orig_buf1 += orig_width; ++ ++ /* odd row, recycles same U & V */ ++ stride_copy_zip3a (new_buf, orig_buf1, orig_buf2, orig_buf3, copy_width); ++ new_buf += new_width; ++ orig_buf1 += orig_width; ++ ++ orig_buf2 += orig_width/2; ++ orig_buf3 += orig_width/2; ++ ++ height -= 2; ++ } ++} ++ ++/** + * Convert from one stride to another... like memmove, but can convert stride in + * the process. This function is not aware of pixels, only of bytes. So widths + * are given in bytes, not pixels. The new_buf and orig_buf can point to the +@@ -250,14 +293,36 @@ stridify_i420_nv12 (GstStrideTransform *self, guchar *strided, guchar *unstrided + /* XXX widths/heights/strides that are not multiple of four??: */ + stridemove_zip2 ( + strided + (height*stride), +- unstrided + (height*width), +- unstrided + (int)(height*width*1.25), +- stride, width/2, height/2); /* interleave U&V */ +- stridemove (strided, unstrided, stride, width, height); /* move Y */ ++ unstrided + (height*width), /* U */ ++ unstrided + (int)(height*width*1.25), /* V */ ++ stride, width/2, height/2); ++ stridemove (strided, unstrided, stride, width, height); /* Y */ ++ ++ return GST_FLOW_OK; ++} ++ ++/** convert I420 unstrided to YUY2 strided */ ++static GstFlowReturn ++stridify_i420_yuy2 (GstStrideTransform *self, guchar *strided, guchar *unstrided) ++{ ++ gint width = self->width; ++ gint height = self->height; ++ gint stride = self->out_rowstride; ++ ++ g_return_val_if_fail (stride >= width, GST_FLOW_ERROR); ++ ++ /* XXX widths/heights/strides that are not multiple of four??: */ ++ stridemove_zip3a ( ++ strided, ++ unstrided, /* Y */ ++ unstrided + (height*width), /* U */ ++ unstrided + (int)(height*width*1.25), /* V */ ++ stride, width, height); + + return GST_FLOW_OK; + } + ++ + /* last entry has GST_VIDEO_FORMAT_UNKNOWN for in/out formats */ + Conversion stride_conversions[] = { + { { GST_VIDEO_FORMAT_NV12, GST_VIDEO_FORMAT_NV12 }, stridify_420sp_420sp, unstridify_420sp_420sp }, +@@ -266,6 +331,7 @@ Conversion stride_conversions[] = { + { { GST_VIDEO_FORMAT_YUY2, GST_VIDEO_FORMAT_YUY2 }, stridify_422i_422i, unstridify_422i_422i }, + { { GST_VIDEO_FORMAT_UYVY, GST_VIDEO_FORMAT_UYVY }, stridify_422i_422i, unstridify_422i_422i }, + { { GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_NV12 }, stridify_i420_nv12, NULL }, ++ { { GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_YUY2 }, stridify_i420_yuy2, NULL }, + /* add new entries before here */ + { { GST_VIDEO_FORMAT_UNKNOWN } } + }; +-- +1.7.0.4 + |