lavfi: add spp filter.

1 files changed, 59 insertions, 0 deletions

diff --git a/libavfilter/vf_spp.h b/libavfilter/vf_spp.h
new file mode 100644
index 0000000000..c4293b6fc4
--- /dev/null
+++ b/libavfilter/vf_spp.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2013 Clément Bœsch
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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.
+ */
+
+#ifndef AVFILTER_SPP_H
+#define AVFILTER_SPP_H
+
+#include "libavcodec/avcodec.h"
+#include "libavcodec/dsputil.h"
+#include "avfilter.h"
+
+#define MAX_LEVEL 6 /* quality levels */
+
+typedef struct {
+    const AVClass *av_class;
+
+    int log2_count;
+    int qp;
+    int mode;
+    int qscale_type;
+    int temp_linesize;
+    uint8_t *src;
+    int16_t *temp;
+    AVCodecContext *avctx;
+    DSPContext dsp;
+    int8_t *non_b_qp_table;
+    int non_b_qp_alloc_size;
+    int use_bframe_qp;
+    int hsub, vsub;
+
+    void (*store_slice)(uint8_t *dst, const int16_t *src,
+                        int dst_stride, int src_stride,
+                        int width, int height, int log2_scale,
+                        const uint8_t dither[8][8]);
+
+    void (*requantize)(int16_t dst[64], const int16_t src[64],
+                       int qp, const uint8_t *permutation);
+} SPPContext;
+
+void ff_spp_init_x86(SPPContext *s);
+
+#endif /* AVFILTER_SPP_H */