@@ -1583,6 +1583,7 @@ static int mkv_write_stereo_mode(AVFormatContext *s, EbmlWriter *writer,
const AVStream *st, int is_webm,
int *h_width, int *h_height)
{
+ const char *error_message_addendum = "";
const AVDictionaryEntry *tag;
MatroskaVideoStereoModeType format = MATROSKA_VIDEO_STEREOMODE_TYPE_NB;
@@ -1656,6 +1657,7 @@ static int mkv_write_stereo_mode(AVFormatContext *s, EbmlWriter *writer,
// if webm, do not write unsupported modes
if (is_webm && !(webm_bitfield >> format)) {
+ error_message_addendum = " for WebM";
goto fail;
}
@@ -1668,7 +1670,8 @@ static int mkv_write_stereo_mode(AVFormatContext *s, EbmlWriter *writer,
return 0;
fail:
av_log(s, AV_LOG_ERROR,
- "The specified stereo mode is not valid.\n");
+ "The specified stereo mode is not valid%s.\n",
+ error_message_addendum);
return AVERROR(EINVAL);
}
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> --- libavformat/matroskaenc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)