- const enum PixelFormat inout_pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
- const enum PixelFormat blend_pix_fmts[] = { PIX_FMT_YUVA420P, PIX_FMT_NONE };
- AVFilterFormats *inout_formats = avfilter_make_format_list(inout_pix_fmts);
- AVFilterFormats *blend_formats = avfilter_make_format_list(blend_pix_fmts);
+ OverlayContext *over = ctx->priv;
+
+ /* overlay formats contains alpha, for avoiding conversion with alpha information loss */
+ const enum PixelFormat main_pix_fmts_yuv[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
+ const enum PixelFormat overlay_pix_fmts_yuv[] = { PIX_FMT_YUVA420P, PIX_FMT_NONE };
+ const enum PixelFormat main_pix_fmts_rgb[] = {
+ PIX_FMT_ARGB, PIX_FMT_RGBA,
+ PIX_FMT_ABGR, PIX_FMT_BGRA,
+ PIX_FMT_RGB24, PIX_FMT_BGR24,
+ PIX_FMT_NONE
+ };
+ const enum PixelFormat overlay_pix_fmts_rgb[] = {
+ PIX_FMT_ARGB, PIX_FMT_RGBA,
+ PIX_FMT_ABGR, PIX_FMT_BGRA,
+ PIX_FMT_NONE
+ };
+
+ AVFilterFormats *main_formats;
+ AVFilterFormats *overlay_formats;
+
+ if (over->allow_packed_rgb) {
+ main_formats = avfilter_make_format_list(main_pix_fmts_rgb);
+ overlay_formats = avfilter_make_format_list(overlay_pix_fmts_rgb);
+ } else {
+ main_formats = avfilter_make_format_list(main_pix_fmts_yuv);
+ overlay_formats = avfilter_make_format_list(overlay_pix_fmts_yuv);
+ }