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-rw-r--r--libavcodec/h264_mc_template.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/libavcodec/h264_mc_template.c b/libavcodec/h264_mc_template.c
new file mode 100644
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+++ b/libavcodec/h264_mc_template.c
@@ -0,0 +1,160 @@
+/*
+ * H.26L/H.264/AVC/JVT/14496-10/... decoder
+ * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#undef MCFUNC
+
+#if CHROMA_IDC == 1
+# define MCFUNC(n) FUNC(n ## _420)
+#elif CHROMA_IDC == 2
+# define MCFUNC(n) FUNC(n ## _422)
+#elif CHROMA_IDC == 3
+# define MCFUNC(n) FUNC(n ## _444)
+#endif
+
+#undef mc_part
+#define mc_part MCFUNC(mc_part)
+
+static void mc_part(H264Context *h, int n, int square,
+ int height, int delta,
+ uint8_t *dest_y, uint8_t *dest_cb,
+ uint8_t *dest_cr,
+ int x_offset, int y_offset,
+ qpel_mc_func *qpix_put,
+ h264_chroma_mc_func chroma_put,
+ qpel_mc_func *qpix_avg,
+ h264_chroma_mc_func chroma_avg,
+ h264_weight_func *weight_op,
+ h264_biweight_func *weight_avg,
+ int list0, int list1)
+{
+ if ((h->use_weight == 2 && list0 && list1 &&
+ (h->implicit_weight[h->ref_cache[0][scan8[n]]][h->ref_cache[1][scan8[n]]][h->s.mb_y & 1] != 32)) ||
+ h->use_weight == 1)
+ mc_part_weighted(h, n, square, height, delta, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset, qpix_put, chroma_put,
+ weight_op[0], weight_op[1], weight_avg[0],
+ weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC);
+ else
+ mc_part_std(h, n, square, height, delta, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
+ chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC);
+}
+
+static void MCFUNC(hl_motion)(H264Context *h, uint8_t *dest_y,
+ uint8_t *dest_cb, uint8_t *dest_cr,
+ qpel_mc_func(*qpix_put)[16],
+ h264_chroma_mc_func(*chroma_put),
+ qpel_mc_func(*qpix_avg)[16],
+ h264_chroma_mc_func(*chroma_avg),
+ h264_weight_func *weight_op,
+ h264_biweight_func *weight_avg)
+{
+ MpegEncContext *const s = &h->s;
+ const int mb_xy = h->mb_xy;
+ const int mb_type = s->current_picture.f.mb_type[mb_xy];
+
+ assert(IS_INTER(mb_type));
+
+ if (HAVE_THREADS && (s->avctx->active_thread_type & FF_THREAD_FRAME))
+ await_references(h);
+ prefetch_motion(h, 0, PIXEL_SHIFT, CHROMA_IDC);
+
+ if (IS_16X16(mb_type)) {
+ mc_part(h, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
+ weight_op, weight_avg,
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ } else if (IS_16X8(mb_type)) {
+ mc_part(h, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
+ weight_op, weight_avg,
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ mc_part(h, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,
+ qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
+ weight_op, weight_avg,
+ IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
+ } else if (IS_8X16(mb_type)) {
+ mc_part(h, 0, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
+ mc_part(h, 4, 0, 16, 8 * h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
+ } else {
+ int i;
+
+ assert(IS_8X8(mb_type));
+
+ for (i = 0; i < 4; i++) {
+ const int sub_mb_type = h->sub_mb_type[i];
+ const int n = 4 * i;
+ int x_offset = (i & 1) << 2;
+ int y_offset = (i & 2) << 1;
+
+ if (IS_SUB_8X8(sub_mb_type)) {
+ mc_part(h, n, 1, 8, 0, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset,
+ qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ } else if (IS_SUB_8X4(sub_mb_type)) {
+ mc_part(h, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,
+ x_offset, y_offset,
+ qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ mc_part(h, n + 2, 0, 4, 4 << PIXEL_SHIFT,
+ dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,
+ qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
+ &weight_op[1], &weight_avg[1],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ } else if (IS_SUB_4X8(sub_mb_type)) {
+ mc_part(h, n, 0, 8, 4 * h->mb_linesize,
+ dest_y, dest_cb, dest_cr, x_offset, y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[2], &weight_avg[2],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ mc_part(h, n + 1, 0, 8, 4 * h->mb_linesize,
+ dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[2], &weight_avg[2],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ } else {
+ int j;
+ assert(IS_SUB_4X4(sub_mb_type));
+ for (j = 0; j < 4; j++) {
+ int sub_x_offset = x_offset + 2 * (j & 1);
+ int sub_y_offset = y_offset + (j & 2);
+ mc_part(h, n + j, 1, 4, 0,
+ dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
+ qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
+ &weight_op[2], &weight_avg[2],
+ IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
+ }
+ }
+ }
+ }
+
+ prefetch_motion(h, 1, PIXEL_SHIFT, CHROMA_IDC);
+}
+