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[34.83.118.50]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-748900cbf58sm5274640b3a.148.2025.06.15.09.57.30 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 15 Jun 2025 09:57:30 -0700 (PDT) From: Andreas Rheinhardt X-Google-Original-From: Andreas Rheinhardt Message-Id: In-Reply-To: References: Date: Sun, 15 Jun 2025 16:54:20 +0000 Fcc: Sent MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH 29/47] avcodec/flvenc: Combine writing bits 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: , Reply-To: FFmpeg development discussions and patches Cc: Andreas Rheinhardt 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: From: Andreas Rheinhardt Signed-off-by: Andreas Rheinhardt --- libavcodec/flvenc.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/libavcodec/flvenc.c b/libavcodec/flvenc.c index 8f07c3c778..184e688ebd 100644 --- a/libavcodec/flvenc.c +++ b/libavcodec/flvenc.c @@ -70,20 +70,23 @@ int ff_flv_encode_picture_header(MPVMainEncContext *const m) void ff_flv2_encode_ac_esc(PutBitContext *pb, int slevel, int level, int run, int last) { + unsigned code; + int bits; if (level < 64) { // 7-bit level - put_bits(pb, 1, 0); - put_bits(pb, 1, last); - put_bits(pb, 6, run); - - put_sbits(pb, 7, slevel); + bits = 1 + 1 + 6 + 7; + code = (0 << (1 + 6 + 7)) | + (last << (6 + 7)) | + (run << 7) | + (slevel & 0x7f); } else { /* 11-bit level */ - put_bits(pb, 1, 1); - put_bits(pb, 1, last); - put_bits(pb, 6, run); - - put_sbits(pb, 11, slevel); + bits = 1 + 1 + 6 + 11; + code = (1 << (1 + 6 + 11)) | + (last << (6 + 11)) | + (run << 11) | + (slevel & 0x7ff); } + put_bits(pb, bits, code); } const FFCodec ff_flv_encoder = { -- ffmpeg-codebot _______________________________________________ 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".