FFmpeg: Omxdec: Fix omx decoder fill frames pts incorrect

Signed-off-by: Som Qin <som.qin@starfivetech.com>

package/ffmpeg/0024-Fix-omx-decoder-fill-frames-pts-incorrect.patch

@@ -0,0 +1,34 @@
+From e0e6de3a210675444850c826bf5611b8d29228bf Mon Sep 17 00:00:00 2001
+From: Som Qin <som.qin@starfivetech.com>
+Date: Fri, 4 Aug 2023 13:47:48 +0800
+Subject: [PATCH 3/8] Fix omx decoder fill frames pts incorrect
+
+Signed-off-by: Som Qin <som.qin@starfivetech.com>
+---
+ libavcodec/omxdec.c | 10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/libavcodec/omxdec.c b/libavcodec/omxdec.c
+index afcba9b..f71e4bf 100755
+--- a/libavcodec/omxdec.c
++++ b/libavcodec/omxdec.c
+@@ -1217,7 +1217,15 @@ static int omx_decode_frame(AVCodecContext *avctx, void *data,
+                                      pkt->size, pkt->pts, pkt->dts, pkt->duration);
+     av_log(avctx, AV_LOG_VERBOSE, "avctx->pts_correction_last_pts: %ld avctx->pts_correction_last_dts: %ld\n",
+                                      avctx->pts_correction_last_pts, avctx->pts_correction_last_dts);
+-    OMXDecodeQueuePush(&s->decode_pts_queue, pkt->dts);
++    if (pkt->dts != AV_NOPTS_VALUE) {
++        OMXDecodeQueuePush(&s->decode_pts_queue, pkt->dts);
++    } else {
++        if (OMXDecodeQueueEmpty(&s->decode_pts_queue)) {
++            OMXDecodeQueuePush(&s->decode_pts_queue, 0);
++        } else {
++            OMXDecodeQueuePush(&s->decode_pts_queue, s->decode_pts_queue.tail->val + pkt->duration);
++        }
++    }
+     if (pkt->size) {
+ 
+         //VPU init and fill buffer slow, so empty buf sleep to send before get vpu fill buf.
+-- 
+2.25.1
+