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([198.58.151.12]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7d3b8dc92c3sm175279985a.22.2025.06.13.07.06.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Jun 2025 07:06:18 -0700 (PDT) From: Tristan Matthews To: ffmpeg-devel@ffmpeg.org Date: Fri, 13 Jun 2025 10:04:46 -0400 Message-ID: <20250613140600.2875509-2-tmatth@videolan.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250613140600.2875509-1-tmatth@videolan.org> References: <20250613140600.2875509-1-tmatth@videolan.org> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 2/2] checkasm: h264dsp: test luma_dc_dequant 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: Tristan Matthews 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: --- tests/checkasm/h264dsp.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/tests/checkasm/h264dsp.c b/tests/checkasm/h264dsp.c index d1228ed985..f5f9650224 100644 --- a/tests/checkasm/h264dsp.c +++ b/tests/checkasm/h264dsp.c @@ -22,6 +22,7 @@ #include "checkasm.h" #include "libavcodec/h264dsp.h" #include "libavcodec/h264data.h" +#include "libavcodec/h264idct.h" #include "libavcodec/h264_parse.h" #include "libavutil/common.h" #include "libavutil/intreadwrite.h" @@ -324,6 +325,41 @@ static void check_idct_multiple(void) } } +static void check_idct_dequant(void) +{ + static const int depths[5] = { 8, 9, 10, 12, 14 }; + LOCAL_ALIGNED_16(int16_t, src, [16]); + /* Ensure dst buffers are large enough to hold dctcoefs of all bit-depths. */ + LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * sizeof(int32_t)]); + LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * sizeof(int32_t)]); + int16_t *dst_ref = (int16_t *)dst0; + int16_t *dst_new = (int16_t *)dst1; + H264DSPContext h; + int bit_depth, i, qmul; + declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_SSE2, void, int16_t *output, int16_t *input, int qmul); + + for (int j = 0; j < 16; j++) + src[j] = (rnd() % 512) - 256; + + qmul = rnd() % 4096; + + for (i = 0; i < FF_ARRAY_ELEMS(depths); i++) { + bit_depth = depths[i]; + ff_h264dsp_init(&h, bit_depth, 1); + + memset(dst0, 0, 16 * 16 * SIZEOF_COEF); + memset(dst1, 0, 16 * 16 * SIZEOF_COEF); + + if (check_func(h.h264_luma_dc_dequant_idct, "h264_luma_dc_dequant_idct_%d", bit_depth)) { + + call_ref(dst_ref, src, qmul); + call_new(dst_new, src, qmul); + checkasm_check_dctcoef(dst_ref, 16*SIZEOF_COEF, dst_new, 16*SIZEOF_COEF, 16, 16, "dst"); + bench_new(dst_new, src, qmul); + } + } +} + static void check_loop_filter(void) { @@ -453,6 +489,7 @@ void checkasm_check_h264dsp(void) { check_idct(); check_idct_multiple(); + check_idct_dequant(); report("idct"); check_loop_filter(); -- 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".