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video-format: handle unpack interlaced subsampled formats

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For interlaced vertically subsampled formats the check for even lines
needs to take into account the two fields.
This commit is contained in:
Wim Taymans 2014-11-19 09:40:05 +01:00
parent 588fdeb834
commit 5c043f3d50
1 changed files with 15 additions and 8 deletions
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23
gst-libs/gst/video/video-format.c
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@ -65,6 +65,13 @@
((line & ~7) >> 2) + (line & 1) : \
line >> 2)
#define IS_CHROMA_LINE_420(line, flags) \
(flags & GST_VIDEO_PACK_FLAG_INTERLACED ? \
!(line & 2) : !(line & 1))
#define IS_CHROMA_LINE_410(line, flags) \
(flags & GST_VIDEO_PACK_FLAG_INTERLACED ? \
!(line & 6) : !(line & 3))
#define IS_ALIGNED(x,n) ((((guintptr)(x)&((n)-1))) == 0)
#define PACK_420 GST_VIDEO_FORMAT_AYUV, unpack_planar_420, 1, pack_planar_420
@ -101,7 +108,7 @@ pack_planar_420 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint8 *v_line = GET_V_LINE (uv);
const guint8 *ayuv = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
g_return_if_fail (IS_ALIGNED (src, 8));
video_orc_pack_I420 (y_line, u_line, v_line, src, width / 2);
@ -1087,7 +1094,7 @@ pack_NV12 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint8 *uv_line = GET_PLANE_LINE (1, uv);
const guint8 *ayuv = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
g_return_if_fail (IS_ALIGNED (src, 8));
video_orc_pack_NV12 (y_line, uv_line, src, width / 2);
@ -1139,7 +1146,7 @@ pack_NV21 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint8 *uv_line = GET_PLANE_LINE (1, uv);
const guint8 *ayuv = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
g_return_if_fail (IS_ALIGNED (src, 8));
video_orc_pack_NV21 (y_line, uv_line, src, width / 2);
@ -1320,7 +1327,7 @@ pack_A420 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint8 *a_line = GET_A_LINE (y);
const guint8 *ayuv = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
g_return_if_fail (IS_ALIGNED (src, 8));
video_orc_pack_A420 (y_line, u_line, v_line, a_line, src, width / 2);
@ -1469,14 +1476,14 @@ pack_410 (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
destY[i + 1] = s[i * 4 + 5];
destY[i + 2] = s[i * 4 + 9];
destY[i + 3] = s[i * 4 + 13];
if (y % 4 == 0) {
if (IS_CHROMA_LINE_410 (y, flags)) {
destU[i >> 2] = s[i * 4 + 2];
destV[i >> 2] = s[i * 4 + 3];
}
}
if (i < width) {
destY[i] = s[i * 4 + 1];
if (y % 4 == 0) {
if (IS_CHROMA_LINE_410 (y, flags)) {
destU[i >> 2] = s[i * 4 + 2];
destV[i >> 2] = s[i * 4 + 3];
}
@ -1911,7 +1918,7 @@ pack_I420_10LE (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint16 Y0, Y1, U, V;
const guint16 *s = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
for (i = 0; i < width - 1; i += 2) {
Y0 = s[i * 4 + 1] >> 6;
Y1 = s[i * 4 + 5] >> 6;
@ -1985,7 +1992,7 @@ pack_I420_10BE (const GstVideoFormatInfo * info, GstVideoPackFlags flags,
guint16 Y0, Y1, U, V;
const guint16 *s = src;
if (!(y & 1)) {
if (IS_CHROMA_LINE_420 (y, flags)) {
for (i = 0; i < width - 1; i += 2) {
Y0 = s[i * 4 + 1] >> 6;
Y1 = s[i * 4 + 5] >> 6;