The low-latency decoding mode has available in Android api 30.
See
https://developer.android.google.cn/reference/android/media/MediaCodec?hl=en#PARAMETER_KEY_LOW_LATENCY
Signed-off-by: xufuji456 <839789...@qq.com>
---
libavcodec/mediacodecdec.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavcodec/mediacodecdec.c b/libavcodec/mediacodecdec.c
index 21464900d1..52c30e1173 100644
--- a/libavcodec/mediacodecdec.c
+++ b/libavcodec/mediacodecdec.c
@@ -395,6 +395,12 @@ static av_cold int mediacodec_decode_init(AVCodecContext
*avctx)
ff_AMediaFormat_setInt32(format, "width", avctx->width);
ff_AMediaFormat_setInt32(format, "height", avctx->height);
+ sdk_int = ff_Build_SDK_INT(avctx);
+ // low-latency mode: available in Android api 30
+ if (sdk_int >= 30 && (avctx->flags & AV_CODEC_FLAG_LOW_DELAY)) {
+ ff_AMediaFormat_setInt32(format, "low-latency", 1);
+ }
+
s->ctx = av_mallocz(sizeof(*s->ctx));
if (!s->ctx) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate
MediaCodecDecContext\n");
@@ -414,7 +420,6 @@ static av_cold int mediacodec_decode_init(AVCodecContext
*avctx)
"MediaCodec started successfully: codec = %s, ret = %d\n",
s->ctx->codec_name, ret);
- sdk_int = ff_Build_SDK_INT(avctx);
/* ff_Build_SDK_INT can fail when target API < 24 and JVM isn't available.
* If we don't check sdk_int > 0, the workaround might be enabled by
* mistake.
--
2.32.0 (Apple Git-132)
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