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avcodec/mediacodecenc: workaround the alignment requirement only for H.264 

There is no bsf for other codecs to modify crop info except H.265.
For H.265, the assumption that FFALIGN(width, 16)xFFALIGN(height, 16)
is the video resolution can be wrong, since the encoder can use CTU
larger than 16x16. In that case, use FFALIGN(width, 16) - width
as crop_right is incorrect. So disable the workaround for H.265 now.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2024-05-23 15:08:55 +08:00
parent 680b3cee1f
commit 2a68b2d643
1 changed files with 2 additions and 1 deletions
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3
libavcodec/mediacodecenc.c
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@ -234,7 +234,8 @@ static av_cold int mediacodec_init(AVCodecContext *avctx)
ff_AMediaFormat_setString(format, "mime", codec_mime);
// Workaround the alignment requirement of mediacodec. We can't do it
// silently for AV_PIX_FMT_MEDIACODEC.
if (avctx->pix_fmt != AV_PIX_FMT_MEDIACODEC) {
if (avctx->pix_fmt != AV_PIX_FMT_MEDIACODEC &&
avctx->codec_id == AV_CODEC_ID_H264) {
s->width = FFALIGN(avctx->width, 16);
s->height = FFALIGN(avctx->height, 16);
} else {