Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
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

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240121141846.4077778-3-jianfeng.zheng@mthreads.com \
    --to=ggjogh@gmail.com \
    --cc=ffmpeg-devel@ffmpeg.org \
    --cc=jianfeng.zheng@mthreads.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git