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ffmpeg.wasm-core
Commit 47f9a5b7 authored by Carl Eugen Hoyos's avatar Carl Eugen Hoyos
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Warn the user if a pix_fmt != yuv420p was chosen for MPEG-2 video encoding. 

Fixes ticket #2870.
parent 63c0e907
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ffmpeg.c
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...@@ -2355,6 +2355,13 @@ static int transcode_init(void) ...@@ -2355,6 +2355,13 @@ static int transcode_init(void)
"No pixel format specified, %s for H.264 encoding chosen.\n" "No pixel format specified, %s for H.264 encoding chosen.\n"
"Use -pix_fmt yuv420p for compatibility with outdated media players.\n", "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); 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"Use -pix_fmt yuv420p for compatibility with outdated media players.\n",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; codec->pix_fmt = ost->filter->filter->inputs[0]->format;
if (!icodec || if (!icodec ||
......
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