From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id BBDC74C75F for ; Sun, 9 Feb 2025 02:12:43 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 58C8668BA41; Sun, 9 Feb 2025 04:12:39 +0200 (EET) Received: from out162-62-57-137.mail.qq.com (out162-62-57-137.mail.qq.com [162.62.57.137]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 1919B68B5DB for ; Sun, 9 Feb 2025 04:12:31 +0200 (EET) Received: from localhost.localdomain ([42.234.83.135]) by newxmesmtplogicsvrsza29-0.qq.com (NewEsmtp) with SMTP id 2CDB8600; Sun, 09 Feb 2025 10:11:13 +0800 X-QQ-mid: xmsmtpt1739067073thuc8lnms Message-ID: X-QQ-XMAILINFO: MRw/zKT/0BpPVaxqKCo4lUdm8bSwkB/325r8X9cQrjMuvZSQ0tZhvnZtxawwnP BZE4W6whCzc2FUoDigJ9V8HvbNIbo72VCTMQ+sqor/ysS+ZkwmHMOW0TDLSdisipqQCu4RUSCv8E B65Yg24tfEcYMvukrXqQ1r4WVH4AiOeLIXJXsZGTbuJ7/CGu1oNspZbWOCv/LMNPTmow8wN+h18u yQ968vy9OIFC6CA658LyyfDjtXPFt9dggjgMjrxMEGCsUnD3uSg8URvmHHzt17rs3Ro9+k33cKt4 bUqjjN1KIx6vmQW/xJ1HX5+BBE4mnJNkZqyvICvei2edE3ULd/66jBBTWSLtWzfCQ7vwhXsXCynF 1Fe/121Ov/eK58dWr8+r5fIW7hTgbrfFVlVeDG9ZwCbNfWWzJCsEPhK8pqLp6IOhsOOq59+2+Sml 7sAIaLmGIYSRlhOQKEZNcYDZSaebWQfxLXMsEkNS7NzconXOqOP+MFCdSJNH8ZtE+uy3tI5XipRS sn63ZLFlqsRQw7OCeiFZYvpovYPWn2DVrWMFkWzNKN7ojWfx4jPNuOZLjfb6xEhYjUllkTbjob3r zqSd3IRGKihpyXqR7PNEoyEJk2QPpZ91CX7jB3A6UxkFYsx0M5VoZhzzvh+/qO7KJMCqpAMPgv/s bLWmgcD1TOkPU0cG61+Lc/rUiyf0oSUGM/uewW+s/AceCrwa+S96ujmiESPlrrD9+IqwyAiuBN45 vz0mmAxZ55tunWuWJWUTt/7FE7EA6BFjDGUFGZBacL6gwMKNhq0ydM7KyuFGNpjUtU+TXY3T5BIY Zv2bxH+drtuz3250mnWtjtjoq3RnOu5R825enJoCe0mKbBghGk0fLAuzXKjOpopt583PINk+ZrB6 kTxG0mG8Sahd82GRz/oY04gUTyd3UAylJVxElQRY3BY8WCyctiHbg= X-QQ-XMRINFO: OWPUhxQsoeAVDbp3OJHYyFg= To: ffmpeg-devel@ffmpeg.org Date: Sun, 9 Feb 2025 10:09:56 +0800 X-OQ-MSGID: <20250209020956.3623-1-jacklau1222@qq.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avformat/mpegenc: increase the default size of the VBV buffer X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Jack Lau via ffmpeg-devel Reply-To: FFmpeg development discussions and patches Cc: Jack Lau Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Increase the default buffer size to match more modern encoding scenarios. --- libavformat/mpegenc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c index 6b6763c30f..2b3b98b894 100644 --- a/libavformat/mpegenc.c +++ b/libavformat/mpegenc.c @@ -446,11 +446,10 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx) stream->max_buffer_size = 6 * 1024 + props->buffer_size / 8; else { av_log(ctx, AV_LOG_WARNING, - "VBV buffer size not set, using default size of 230KB\n" + "VBV buffer size not set, using default size of 2048KB\n" "If you want the mpeg file to be compliant to some specification\n" "Like DVD, VCD or others, make sure you set the correct buffer size\n"); - // FIXME: this is probably too small as default - stream->max_buffer_size = 230 * 1024; + stream->max_buffer_size = 2048 * 1024; } if (stream->max_buffer_size > 1024 * 8191) { av_log(ctx, AV_LOG_WARNING, "buffer size %d, too large\n", stream->max_buffer_size); -- 2.48.1 _______________________________________________ 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".