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| author | Olivier Crête <olivier.crete@collabora.com> | 2013-03-18 17:22:48 -0400 |
|---|---|---|
| committer | Olivier Crête <olivier.crete@collabora.com> | 2013-03-22 13:39:14 -0400 |
| commit | 3359117536a062af9a0e946a603fd45e4c49560e (patch) | |
| tree | 4e181cf259f935397bb1ab6953c10b4493f3208a | |
| parent | f97c9d5213f14f12dc056b9eaa2253325bc3a18c (diff) | |
| download | gstreamer-plugins-base-3359117536a062af9a0e946a603fd45e4c49560e.tar.gz | |
ffmpegcolorspace: add d422 -> YUY2 converter
| -rw-r--r-- | gst/ffmpegcolorspace/imgconvert.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gst/ffmpegcolorspace/imgconvert.c b/gst/ffmpegcolorspace/imgconvert.c index 1bdf2d70a..c72ab0064 100644 --- a/gst/ffmpegcolorspace/imgconvert.c +++ b/gst/ffmpegcolorspace/imgconvert.c @@ -2476,6 +2476,67 @@ yuv422p10le_to_yuv444p (AVPicture * dst, const AVPicture * src, int width, } static void +yuv422p10le_to_yuv422 (AVPicture * dst, const AVPicture * src, int width, + int height) +{ + int w, h; + uint8_t *dst_pix, *dst_line = dst->data[0]; + uint16_t *lum1, *src_lum_line = (uint16_t *) src->data[0]; + uint16_t *src_cb1, *src_cb_line = (uint16_t *) src->data[1]; + uint16_t *src_cr1, *src_cr_line = (uint16_t *) src->data[2]; + uint16_t y1, y2, cb, cr; + + g_debug ("h: %d w: %d src ln0: %d ln1: %d ln2: %d dst ln0: %d", + height, width, src->linesize[0], src->linesize[1], src->linesize[2], + dst->linesize[0]); + + for (h = height; h--;) { + dst_pix = dst_line; + + lum1 = src_lum_line; + + src_cb1 = src_cb_line; + src_cr1 = src_cr_line; + + for (w = width / 2; w--;) { + cb = *src_cb1++; + cr = *src_cr1++; + y1 = *lum1++; + y2 = *lum1++; + + cb = GUINT16_FROM_LE (cb) >> 2; + cr = GUINT16_FROM_LE (cr) >> 2; + y1 = GUINT16_FROM_LE (y1) >> 2; + y2 = GUINT16_FROM_LE (y2) >> 2; + + *dst_pix++ = y1; + *dst_pix++ = cb; + *dst_pix++ = y2; + *dst_pix++ = cr; + } + /* odd width */ + if (width % 2 != 0) { + cb = *src_cb1++; + cr = *src_cr1++; + y1 = *lum1++; + cb = GUINT16_FROM_LE (cb) >> 2; + cr = GUINT16_FROM_LE (cr) >> 2; + y1 = GUINT16_FROM_LE (y1) >> 2; + + *dst_pix++ = y1; + *dst_pix++ = cb; + *dst_pix++ = y1; + *dst_pix++ = cr; + } + + src_lum_line += src->linesize[0] / 2; + src_cb_line += src->linesize[1] / 2; + src_cr_line += src->linesize[2] / 2; + dst_line += dst->linesize[0]; + } +} + +static void yuv444p_to_yuv422p10be (AVPicture * dst, const AVPicture * src, int width, int height) { @@ -4590,6 +4651,7 @@ static ConvertEntry convert_table[] = { {PIX_FMT_YUV420P10BE, PIX_FMT_YUV444P, yuv420p10be_to_yuv444p}, {PIX_FMT_YUV420P10LE, PIX_FMT_YUV444P, yuv420p10le_to_yuv444p}, {PIX_FMT_YUV422P10BE, PIX_FMT_YUV444P, yuv422p10be_to_yuv444p}, + {PIX_FMT_YUV422P10LE, PIX_FMT_YUV422, yuv422p10le_to_yuv422}, {PIX_FMT_YUV422P10LE, PIX_FMT_YUV444P, yuv422p10le_to_yuv444p}, {PIX_FMT_YUV444P10BE, PIX_FMT_YUV444P, yuv444p10be_to_yuv444p}, {PIX_FMT_YUV444P10LE, PIX_FMT_YUV444P, yuv444p10le_to_yuv444p}, |