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Code Issues Releases Activity

avformat/segafilmenc: Check early whether video is allowed

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The current code only checks when writing the trailer whether the video
format and Codec ID are actually compatible with the container. At this
point, a lot of data will already have been written (in vain, of
course), so check during the init function instead.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Andreas Rheinhardt 2020-01-14 04:13:32 +01:00 committed by Michael Niedermayer
parent 30859c270f
commit 56a04b7c38
1 changed files with 11 additions and 8 deletions
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19
libavformat/segafilmenc.c
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@ -181,6 +181,17 @@ static int film_init(AVFormatContext *format_context)
av_log(format_context, AV_LOG_ERROR, "Sega FILM allows a maximum of one video stream.\n");
return AVERROR(EINVAL);
}
if (st->codecpar->codec_id != AV_CODEC_ID_CINEPAK &&
st->codecpar->codec_id != AV_CODEC_ID_RAWVIDEO) {
av_log(format_context, AV_LOG_ERROR,
"Incompatible video stream format.\n");
return AVERROR(EINVAL);
}
if (st->codecpar->format != AV_PIX_FMT_RGB24) {
av_log(format_context, AV_LOG_ERROR,
"Pixel format must be rgb24.\n");
return AVERROR(EINVAL);
}
film->video_index = i;
}
}
@ -293,11 +304,6 @@ static int film_write_header(AVFormatContext *format_context)
}
}
if (video->codecpar->format != AV_PIX_FMT_RGB24) {
av_log(format_context, AV_LOG_ERROR, "Pixel format must be rgb24.\n");
return AVERROR(EINVAL);
}
/* First, write the FILM header; this is very simple */
ffio_wfourcc(pb, "FILM");
@ -320,9 +326,6 @@ static int film_write_header(AVFormatContext *format_context)
case AV_CODEC_ID_RAWVIDEO:
ffio_wfourcc(pb, "raw ");
break;
default:
av_log(format_context, AV_LOG_ERROR, "Incompatible video stream format.\n");
return AVERROR(EINVAL);
}
avio_wb32(pb, video->codecpar->height);