From: "jianfeng.zheng" <ggjogh@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: "jianfeng.zheng" <jianfeng.zheng@mthreads.com>
Subject: [FFmpeg-devel] [vaapi-cavs 3/7] cavs: time code debug
Date: Sun, 21 Jan 2024 22:18:42 +0800
Message-ID: <20240121141846.4077778-3-jianfeng.zheng@mthreads.com> (raw)
In-Reply-To: <20240121141846.4077778-1-jianfeng.zheng@mthreads.com>
Signed-off-by: jianfeng.zheng <jianfeng.zheng@mthreads.com>
---
libavcodec/cavsdec.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c
index 9742bd1011..9ad0f29b01 100644
--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -1061,6 +1061,7 @@ static int decode_pic(AVSContext *h)
int ret;
int skip_count = -1;
enum cavs_mb mb_type;
+ char tc[4];
if (!h->top_qp) {
av_log(h->avctx, AV_LOG_ERROR, "No sequence header decoded yet\n");
@@ -1082,8 +1083,16 @@ static int decode_pic(AVSContext *h)
return AVERROR_INVALIDDATA;
} else {
h->cur.f->pict_type = AV_PICTURE_TYPE_I;
- if (get_bits1(&h->gb))
- skip_bits(&h->gb, 24);//time_code
+ if (get_bits1(&h->gb)) { //time_code
+ skip_bits(&h->gb, 1);
+ tc[0] = get_bits(&h->gb, 5);
+ tc[1] = get_bits(&h->gb, 6);
+ tc[2] = get_bits(&h->gb, 6);
+ tc[3] = get_bits(&h->gb, 6);
+ av_log(h->avctx, AV_LOG_DEBUG, "timecode: %d:%d:%d.%d\n",
+ tc[0], tc[1], tc[2], tc[3]);
+ }
+
/* old sample clips were all progressive and no low_delay,
bump stream revision if detected otherwise */
if (h->low_delay || !(show_bits(&h->gb, 9) & 1))
--
2.25.1
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next prev parent reply other threads:[~2024-01-21 14:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-21 14:18 [FFmpeg-devel] [vaapi-cavs 1/7] cavs: add cavs profile defs jianfeng.zheng
2024-01-21 14:18 ` [FFmpeg-devel] [vaapi-cavs 2/7] cavs: skip bits between pic header and slc header jianfeng.zheng
2024-01-21 14:18 ` jianfeng.zheng [this message]
2024-01-21 14:18 ` [FFmpeg-devel] [vaapi-cavs 4/7] cavs: fix dpb reorder issues when 'low_delay' is varied jianfeng.zheng
2024-01-21 14:18 ` [FFmpeg-devel] [vaapi-cavs 5/7] cavs: decode wqm and slice weighting for future usage jianfeng.zheng
2024-01-21 14:18 ` [FFmpeg-devel] [vaapi-cavs 6/7] cavs: set profile & level for AVCodecContext jianfeng.zheng
2024-01-21 14:18 ` [FFmpeg-devel] [vaapi-cavs 7/7] cavs: support vaapi hwaccel decoding jianfeng.zheng
2024-01-22 21:24 ` Mark Thompson
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