-static void output_end_frame(AVFilterLink *link)
-{
-}
-
-static int output_query_formats(AVFilterContext *ctx)
-{
- enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
-
- avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
- return 0;
-}
-
-static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
- int64_t *pts, int64_t *pos)
-{
- AVFilterBufferRef *pic;
-
- if(avfilter_request_frame(ctx->inputs[0]))
- return -1;
- if(!(pic = ctx->inputs[0]->cur_buf))
- return -1;
- ctx->inputs[0]->cur_buf = NULL;
-
- frame->opaque = pic;
- *pts = pic->pts;
- *pos = pic->pos;
-
- memcpy(frame->data, pic->data, sizeof(frame->data));
- memcpy(frame->linesize, pic->linesize, sizeof(frame->linesize));
-
- return 1;
-}
-
-static AVFilter output_filter =
-{
- .name = "ffplay_output",
-
- .query_formats = output_query_formats,
-
- .inputs = (AVFilterPad[]) {{ .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- .end_frame = output_end_frame,
- .min_perms = AV_PERM_READ, },
- { .name = NULL }},
- .outputs = (AVFilterPad[]) {{ .name = NULL }},
-};