From 47f9a5b737c576069c26cc800ba9a2dd96441162 Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sun, 18 Aug 2013 22:00:35 +0200 Subject: [PATCH] Warn the user if a pix_fmt != yuv420p was chosen for MPEG-2 video encoding. Fixes ticket #2870. --- ffmpeg.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/ffmpeg.c b/ffmpeg.c index 3c7617a338..886b373e96 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -2355,6 +2355,13 @@ static int transcode_init(void) "No pixel format specified, %s for H.264 encoding chosen.\n" "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); + if (!strncmp(ost->enc->name, "mpeg2video", 10) && + codec->pix_fmt == AV_PIX_FMT_NONE && + ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) + av_log(NULL, AV_LOG_WARNING, + "No pixel format specified, %s for MPEG-2 encoding chosen.\n" + "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", + av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); codec->pix_fmt = ost->filter->filter->inputs[0]->format; if (!icodec ||