Add missing files after 60cf735 .

mythtv/filters/vflip/filter_vflip.c

@@ -0,0 +1,153 @@
+/*
+ *  filter_vflip
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "filter.h"
+#include "frame.h"
+
+typedef struct ThisFilter
+{
+    VideoFilter vf;
+    TF_STRUCT;
+} ThisFilter;
+
+static void reverse_memcpy(unsigned char *dst, const unsigned char *src, int n)
+{
+    int i;
+    for (i = 0; i < n; ++i)
+        dst[n - 1 - i] = src[i];
+}
+
+static int swap(VideoFrame *frame, int datasize, int offset, int shift)
+{
+    int i, j;
+    int oldoffset;
+    int newoffset;
+    unsigned char *temp = malloc(datasize);
+    if (temp == NULL)
+    {
+        fprintf(stderr, "Couldn't allocate memory for temp\n");
+        return 0;
+    }
+    for (i = 0, j = (frame->height - 1); i < frame->height / 2; i++, j--)
+    {
+        newoffset = i * datasize + offset;
+        if (shift)
+            newoffset += datasize;
+        oldoffset = j * datasize + offset;
+        if (!shift || i != frame->height - 1)
+        {
+            memcpy(temp, frame->buf + newoffset,
+                   datasize); // new -> temp
+            reverse_memcpy(frame->buf + newoffset, frame->buf + oldoffset,
+                           datasize); // old -> new
+            reverse_memcpy(frame->buf + oldoffset, temp,
+                           datasize); // temp -> old
+        }
+    }
+    if (temp)
+        free(temp);
+
+    return 1;
+}
+
+static int comp(const void *va, const void *vb)
+{
+    int *a = (int *) va;
+    int *b = (int *) vb;
+    if (*a == *b)
+        return 0;
+    else if (*a < *b)
+        return -1;
+    else
+        return 1;
+}
+
+static int vflip(VideoFilter *vf, VideoFrame *frame, int field)
+{
+    (void)field;
+
+    if (frame->codec != FMT_YV12)
+    {
+        fprintf(stderr, "codec %d unsupported for vflip, skipping\n",
+                frame->codec);
+        return 0;
+    }
+
+    TF_VARS;
+
+    (void)vf;
+
+    TF_START;
+
+    int ouroffsets[3];
+    memcpy(ouroffsets, frame->offsets, 3 * sizeof(int));
+    qsort(ouroffsets, 3, sizeof(int), comp);
+
+    int datasize;
+    datasize = (ouroffsets[1] - ouroffsets[0]) / frame->height;
+    if (!swap(frame, datasize, ouroffsets[0], 0))
+        return 0;
+    datasize = (ouroffsets[2] - ouroffsets[1]) / frame->height;
+    if (!swap(frame, datasize, ouroffsets[1], 0))
+        return 0;
+    datasize = (frame->size - ouroffsets[2]) / frame->height;
+    if (!swap(frame, datasize, ouroffsets[2], 0))
+        return 0;
+
+    TF_END((ThisFilter *)vf, "VFlip");
+
+    return 1;
+}
+
+static VideoFilter *new_filter(VideoFrameType inpixfmt,
+                               VideoFrameType outpixfmt,
+                               int *width, int *height, char *options,
+                               int threads)
+{
+    ThisFilter *filter;
+
+    (void)width;
+    (void)height;
+    (void)options;
+    (void)threads;
+
+    if ((inpixfmt != outpixfmt) ||
+        (inpixfmt != FMT_YV12 && inpixfmt != FMT_RGB24 &&
+         inpixfmt != FMT_YUV422P) )
+        return NULL;
+
+    filter = malloc(sizeof(ThisFilter));
+
+    if (filter == NULL)
+    {
+        fprintf(stderr, "Couldn't allocate memory for filter\n");
+        return NULL;
+    }
+    filter->vf.filter = &vflip;
+    filter->vf.cleanup = NULL;
+    TF_INIT(filter)
+    return (VideoFilter *) filter;
+}
+
+static FmtConv FmtList[] =
+{
+    { FMT_YV12, FMT_YV12 },
+    FMT_NULL
+};
+
+const FilterInfo filter_table[] =
+{
+    {
+        filter_init: &new_filter,
+        name:       "vflip",
+        descript:   "flips the video image vertically",
+        formats:    FmtList,
+        libname:    NULL
+    },
+    FILT_NULL
+};

mythtv/filters/vflip/vflip.pro

@@ -0,0 +1,8 @@
+include ( ../filter-common.pro )
+include ( ../filter-avcodec.pro )
+INCLUDEPATH += ../../libs/libmythtv \
+    ../../libs/libavcodec \
+    ../..
+
+# Input
+SOURCES += filter_vflip.c