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ffmpeg omxdec: add delay for decoding

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add delay for decoding

Signed-off-by: arvin.zhu <arvin.zhu@starfivetech.com>
This commit is contained in:
arvin.zhu
2022-09-08 15:08:28 +08:00
committed by Andy Hu
parent 67f02efb47
commit 7728f79619
1 changed files with 78 additions and 0 deletions
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package/ffmpeg/0011-omxdec-add-delay-for-decoding.patch
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+78
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@@ -0,0 +1,78 @@
From d98b2d573de97ba4ec6bf10bdea51d5fb2484d4a Mon Sep 17 00:00:00 2001
From: "arvin.zhu" <arvin.zhu@starfivetech.com>
Date: Thu, 8 Sep 2022 09:43:32 +0800
Subject: [PATCH] omxdec: add delay for decoding
add delay delay for decoding
Signed-off-by: arvin.zhu <arvin.zhu@starfivetech.com>
---
libavcodec/omxdec.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
mode change 100644 => 100755 libavcodec/omxdec.c
diff --git a/libavcodec/omxdec.c b/libavcodec/omxdec.c
old mode 100644
new mode 100755
index 32f39f3..5b63ede
--- a/libavcodec/omxdec.c
+++ b/libavcodec/omxdec.c
@@ -262,7 +262,7 @@ typedef struct OMXCodecContext {
int mutex_cond_inited;
- int eos_sent, got_eos, evnet_bufferflag;
+ int eos_sent, got_eos, evnet_bufferflag, first_get_outbuffer;
int extradata_sent;
@@ -791,7 +791,10 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
int linesize[4];
if (pkt->size) {
-
+ //VPU init and fill buffer slow, so empty buf sleep to send before get vpu fill buf.
+ if(!s->first_get_outbuffer)
+ av_usleep(100000);
+
buffer = get_buffer(&s->input_mutex, &s->input_cond,
&s->num_free_in_buffers, s->free_in_buffers, 1);
@@ -830,14 +833,16 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
return AVERROR_UNKNOWN;
}
} else if (!s->eos_sent) {
-
+ if(!s->first_get_outbuffer)
+ av_usleep(1000000);
+
buffer = get_buffer(&s->input_mutex, &s->input_cond,
&s->num_free_in_buffers, s->free_in_buffers, 1);
if(!buffer) {
av_log(avctx, AV_LOG_ERROR, "get_buffer NULL\n");
return AVERROR(ENOMEM);
- }
+ }
buffer->nFilledLen = 0;
buffer->nFlags = OMX_BUFFERFLAG_EOS;
@@ -869,10 +874,12 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
}
break;
}
- //if (!buffer)
- // break;
+ // if (!buffer)
+ // break;
+ if(!s->first_get_outbuffer)
+ s->first_get_outbuffer = 1;
- if(!buffer->nFilledLen){
+ if(!buffer->nFilledLen){
av_log(avctx, AV_LOG_ERROR, "buffer->nFilledLen %d\n",(int)buffer->nFilledLen);
goto end;
}
--
2.17.1