#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/channel_layout.h"
+#include "libavutil/display.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
return 0;
}
+static int insert_filter(AVFilterContext **last_filter, int *pad_idx,
+ const char *filter_name, const char *args)
+{
+ AVFilterGraph *graph = (*last_filter)->graph;
+ AVFilterContext *ctx;
+ int ret;
+
+ ret = avfilter_graph_create_filter(&ctx,
+ avfilter_get_by_name(filter_name),
+ filter_name, args, NULL, graph);
+ if (ret < 0)
+ return ret;
+
+ ret = avfilter_link(*last_filter, *pad_idx, ctx, 0);
+ if (ret < 0)
+ return ret;
+
+ *last_filter = ctx;
+ *pad_idx = 0;
+ return 0;
+}
+
static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
{
char *pix_fmts;
return ret;
last_filter = ifilter->filter;
+ if (ist->autorotate) {
+ double theta = get_rotation(ist->st);
+
+ if (fabs(theta - 90) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "transpose", "clock");
+ } else if (fabs(theta - 180) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL);
+ if (ret < 0)
+ return ret;
+ ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL);
+ } else if (fabs(theta - 270) < 1.0) {
+ ret = insert_filter(&last_filter, &pad_idx, "transpose", "cclock");
+ } else if (fabs(theta) > 1.0) {
+ char rotate_buf[64];
+ snprintf(rotate_buf, sizeof(rotate_buf), "%f*PI/180", theta);
+ ret = insert_filter(&last_filter, &pad_idx, "rotate", rotate_buf);
+ }
+ if (ret < 0)
+ return ret;
+ }
+
if (ist->framerate.num) {
AVFilterContext *setpts;