From a598be44dff810b41c07547cc897b60b8fed9f9e Mon Sep 17 00:00:00 2001 From: Zhao Zhili Date: Sat, 7 Jan 2023 00:07:05 +0800 Subject: [PATCH] avcodec/mediacodecenc: enable B frames only with -strict experimental Signed-off-by: Zhao Zhili --- libavcodec/mediacodecenc.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/libavcodec/mediacodecenc.c b/libavcodec/mediacodecenc.c index 4c1809093c..a92a8dc5a9 100644 --- a/libavcodec/mediacodecenc.c +++ b/libavcodec/mediacodecenc.c @@ -276,8 +276,16 @@ static av_cold int mediacodec_init(AVCodecContext *avctx) av_log(avctx, AV_LOG_DEBUG, "set level to 0x%x\n", s->level); ff_AMediaFormat_setInt32(format, "level", s->level); } - if (avctx->max_b_frames > 0) + if (avctx->max_b_frames > 0) { + if (avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { + av_log(avctx, AV_LOG_ERROR, + "Enabling B frames will produce packets with no DTS. " + "Use -strict experimental to use it anyway.\n"); + ret = AVERROR(EINVAL); + goto bailout; + } ff_AMediaFormat_setInt32(format, "max-bframes", avctx->max_b_frames); + } if (s->pts_as_dts == -1) s->pts_as_dts = avctx->max_b_frames <= 0;