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ffmpeg4.4_mlu300.patch
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ffmpeg4.4_mlu300.patch
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From 816c9a35c671d8cd0d4ffd00822cca044ba61bcc Mon Sep 17 00:00:00 2001
From: fanhairui <[email protected]>
Date: Fri, 13 Dec 2024 17:16:06 +0800
Subject: [PATCH] release mlu300
---
VERSION | 1 +
configure | 48 +
doc/examples/Makefile | 6 +
doc/examples/decode_mlu.c | 213 +++
doc/examples/encode_change_mlu.c | 284 ++++
doc/examples/encode_mlu.c | 252 ++++
doc/examples/hw_decode_mlu.c | 270 ++++
doc/examples/hw_encode_change_mlu.c | 286 ++++
doc/examples/hw_encode_mlu.c | 257 ++++
ffbuild/version.sh | 26 -
fftools/Makefile | 1 +
fftools/ffmpeg.h | 2 +
fftools/ffmpeg_mlu.c | 75 ++
fftools/ffmpeg_opt.c | 4 +
libavcodec/Makefile | 10 +
libavcodec/allcodecs.c | 10 +
libavcodec/hwconfig.h | 2 +
libavcodec/mlumpp_codec.h | 449 +++++++
libavcodec/mlumpp_dec.c | 1595 +++++++++++++++++++++++
libavcodec/mlumpp_enc_h264.c | 219 ++++
libavcodec/mlumpp_enc_hevc.c | 230 ++++
libavcodec/mlumpp_enc_jpeg.c | 123 ++
libavcodec/mlumpp_vid_enc.c | 1160 +++++++++++++++++
libavcodec/mlumpp_vid_enc.h | 130 ++
libavfilter/Makefile | 10 +
libavfilter/allfilters.c | 10 +
libavfilter/mlu_filter_common.h | 146 +++
libavfilter/vf_cvt_rgbx2rgbx_mlu.c | 413 ++++++
libavfilter/vf_cvt_rgbx2yuv_mlu.c | 429 ++++++
libavfilter/vf_cvt_yuv2rgbx_mlu.c | 425 ++++++
libavfilter/vf_hwdownload_mlu.c | 215 +++
libavfilter/vf_hwupload_mlu.c | 198 +++
libavfilter/vf_overlay_mlu.c | 702 ++++++++++
libavfilter/vf_rotate_mlu.c | 326 +++++
libavfilter/vf_scale_cvt_yuv2rgbx_mlu.c | 431 ++++++
libavfilter/vf_scale_rgbx2rgbx_mlu.c | 421 ++++++
libavfilter/vf_scale_yuv2yuv_mlu.c | 436 +++++++
libavutil/Makefile | 3 +
libavutil/hwcontext.c | 5 +
libavutil/hwcontext.h | 1 +
libavutil/hwcontext_internal.h | 1 +
libavutil/hwcontext_mlu.c | 436 +++++++
libavutil/hwcontext_mlu.h | 170 +++
libavutil/hwcontext_mlu_internal.h | 86 ++
libavutil/pixdesc.c | 5 +
libavutil/pixfmt.h | 7 +
46 files changed, 10503 insertions(+), 26 deletions(-)
create mode 100644 VERSION
create mode 100644 doc/examples/decode_mlu.c
create mode 100644 doc/examples/encode_change_mlu.c
create mode 100644 doc/examples/encode_mlu.c
create mode 100644 doc/examples/hw_decode_mlu.c
create mode 100644 doc/examples/hw_encode_change_mlu.c
create mode 100644 doc/examples/hw_encode_mlu.c
create mode 100644 fftools/ffmpeg_mlu.c
create mode 100644 libavcodec/mlumpp_codec.h
create mode 100755 libavcodec/mlumpp_dec.c
create mode 100644 libavcodec/mlumpp_enc_h264.c
create mode 100644 libavcodec/mlumpp_enc_hevc.c
create mode 100644 libavcodec/mlumpp_enc_jpeg.c
create mode 100644 libavcodec/mlumpp_vid_enc.c
create mode 100644 libavcodec/mlumpp_vid_enc.h
create mode 100644 libavfilter/mlu_filter_common.h
create mode 100644 libavfilter/vf_cvt_rgbx2rgbx_mlu.c
create mode 100644 libavfilter/vf_cvt_rgbx2yuv_mlu.c
create mode 100644 libavfilter/vf_cvt_yuv2rgbx_mlu.c
create mode 100644 libavfilter/vf_hwdownload_mlu.c
create mode 100644 libavfilter/vf_hwupload_mlu.c
create mode 100644 libavfilter/vf_overlay_mlu.c
create mode 100644 libavfilter/vf_rotate_mlu.c
create mode 100644 libavfilter/vf_scale_cvt_yuv2rgbx_mlu.c
create mode 100644 libavfilter/vf_scale_rgbx2rgbx_mlu.c
create mode 100644 libavfilter/vf_scale_yuv2yuv_mlu.c
create mode 100644 libavutil/hwcontext_mlu.c
create mode 100644 libavutil/hwcontext_mlu.h
create mode 100644 libavutil/hwcontext_mlu_internal.h
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000000..e2e7267064
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+4.4.4_v4.2.0_21214202
diff --git a/configure b/configure
index fb55e04ee7..791e63dd95 100755
--- a/configure
+++ b/configure
@@ -349,6 +349,9 @@ External library support:
--disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
--disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
--disable-videotoolbox disable VideoToolbox code [autodetect]
+ --enable-mlumpp enable Cambricon MLU Media Process Platform code (mlumpp) [no]
+ --enable-mlufilter enable Cambricon MLU Hardware filter code (mlufilter) [no]
+ --enable-mluaffinity enable Cambricon MLU Hardware affinity code (mluaffinity) [no]
Toolchain options:
--arch=ARCH select architecture [$arch]
@@ -1695,6 +1698,12 @@ EXAMPLE_LIST="
transcoding_example
vaapi_encode_example
vaapi_transcode_example
+ hw_decode_mlu_example
+ hw_encode_mlu_example
+ decode_mlu_example
+ encode_mlu_example
+ encode_change_mlu_example
+ hw_encode_change_mlu_example
"
EXTERNAL_AUTODETECT_LIBRARY_LIST="
@@ -1748,6 +1757,10 @@ EXTERNAL_LIBRARY_VERSION3_LIST="
libvo_amrwbenc
mbedtls
rkmpp
+ mlu
+ mlumpp
+ mlufilter
+ mluaffinity
"
EXTERNAL_LIBRARY_GPLV3_LIST="
@@ -3062,6 +3075,17 @@ transpose_npp_filter_deps="ffnvcodec libnpp"
overlay_cuda_filter_deps="ffnvcodec"
overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm"
+hwdownload_mlu_filter_deps="mlu"
+hwupload_mlu_filter_deps="mlu"
+cvt_yuv2rgbx_mlu_filter_deps="mlufilter"
+cvt_rgbx2yuv_mlu_filter_deps="mlufilter"
+cvt_rgbx2rgbx_mlu_filter_deps="mlufilter"
+scale_yuv2yuv_mlu_filter_deps="mlufilter"
+scale_rgbx2rgbx_mlu_filter_deps="mlufilter"
+scale_cvt_yuv2rgbx_mlu_filter_deps="mlufilter"
+overlay_mlu_filter_deps="mlufilter"
+rotate_mlu_filter_deps="mlufilter"
+
amf_deps_any="libdl LoadLibrary"
nvenc_deps="ffnvcodec"
nvenc_deps_any="libdl LoadLibrary"
@@ -3091,6 +3115,9 @@ h264_vaapi_encoder_select="cbs_h264 vaapi_encode"
h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"
h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"
h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"
+h264_mlumpp_decoder_deps="mlumpp"
+h264_mlumpp_decoder_select="h264_mp4toannexb_bsf"
+h264_mlumpp_encoder_deps="mlumpp"
hevc_amf_encoder_deps="amf"
hevc_cuvid_decoder_deps="cuvid"
hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
@@ -3108,12 +3135,17 @@ hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"
hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"
hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"
hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"
+hevc_mlumpp_decoder_deps="mlumpp"
+hevc_mlumpp_decoder_select="hevc_mp4toannexb_bsf"
+hevc_mlumpp_encoder_deps="mlumpp"
mjpeg_cuvid_decoder_deps="cuvid"
mjpeg_qsv_decoder_select="qsvdec"
mjpeg_qsv_encoder_deps="libmfx"
mjpeg_qsv_encoder_select="qsvenc"
mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"
+mjpeg_mlumpp_decoder_deps="mlumpp"
+mjpeg_mlumpp_encoder_deps="mlumpp"
mp3_mf_encoder_deps="mediafoundation"
mpeg1_cuvid_decoder_deps="cuvid"
mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"
@@ -3148,6 +3180,7 @@ vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
vp8_vaapi_encoder_select="vaapi_encode"
vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"
vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"
+vp8_mlumpp_decoder_deps="mlumpp"
vp9_cuvid_decoder_deps="cuvid"
vp9_mediacodec_decoder_deps="mediacodec"
vp9_qsv_decoder_select="qsvdec"
@@ -3157,8 +3190,11 @@ vp9_vaapi_encoder_select="vaapi_encode"
vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"
vp9_qsv_encoder_select="qsvenc"
vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"
+vp9_mlumpp_decoder_deps="mlumpp"
wmv3_crystalhd_decoder_select="crystalhd"
av1_qsv_decoder_select="qsvdec"
+avs_mlumpp_decoder_deps="mlumpp"
+avs2_mlumpp_decoder_deps="mlumpp"
# parsers
aac_parser_select="adts_header"
@@ -6546,6 +6582,18 @@ enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/r
}
enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
+if enabled mlu; then
+ require_headers "cnrt.h" || die "ERROR: cnrt header not found"
+fi
+if enabled mlumpp; then
+ require_headers "cncodec_v3_dec.h cncodec_v3_enc.h cncodec_v3_common.h" || die "ERROR: cncodec_v3 headers not found"
+fi
+if enabled mlufilter; then
+ require_headers "cncv.h" || die "ERROR: cncv header not found"
+fi
+if enabled mluaffinity; then
+ require_headers "cndev.h" || die "ERROR: cndev header not found"
+fi
if enabled gcrypt; then
GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"
diff --git a/doc/examples/Makefile b/doc/examples/Makefile
index 81bfd34d5d..4f3a281d26 100644
--- a/doc/examples/Makefile
+++ b/doc/examples/Makefile
@@ -21,6 +21,12 @@ EXAMPLES-$(CONFIG_TRANSCODE_AAC_EXAMPLE) += transcode_aac
EXAMPLES-$(CONFIG_TRANSCODING_EXAMPLE) += transcoding
EXAMPLES-$(CONFIG_VAAPI_ENCODE_EXAMPLE) += vaapi_encode
EXAMPLES-$(CONFIG_VAAPI_TRANSCODE_EXAMPLE) += vaapi_transcode
+EXAMPLES-$(CONFIG_HW_DECODE_MLU_EXAMPLE) += hw_decode_mlu
+EXAMPLES-$(CONFIG_HW_ENCODE_MLU_EXAMPLE) += hw_encode_mlu
+EXAMPLES-$(CONFIG_DECODE_MLU_EXAMPLE) += decode_mlu
+EXAMPLES-$(CONFIG_ENCODE_MLU_EXAMPLE) += encode_mlu
+EXAMPLES-$(CONFIG_ENCODE_CHANGE_MLU_EXAMPLE) += encode_change_mlu
+EXAMPLES-$(CONFIG_HW_ENCODE_CHANGE_MLU_EXAMPLE) += hw_encode_change_mlu
EXAMPLES := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)$(EXESUF))
EXAMPLES_G := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)_g$(EXESUF))
diff --git a/doc/examples/decode_mlu.c b/doc/examples/decode_mlu.c
new file mode 100644
index 0000000000..233bb81daf
--- /dev/null
+++ b/doc/examples/decode_mlu.c
@@ -0,0 +1,213 @@
+/*
+ * MLU MPP Video Acceleration API decode sample
+ * Copyright (C) [2019] by Cambricon, Inc. All rights reserved
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * @file
+ * Cambricon MLUMPP-HW-Accelerated decoding example.
+ *
+ * @example decode_mlu.c
+ * This example shows how to do mlumpp-HW-accelerated decoding with output
+ * frames from the video surfaces.
+ * Usage: decode_mlu input.mp4 output.yuv
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+
+static FILE *fp_yuv;
+static int video_stream_idx;
+static AVCodecContext *g_dec_ctx;
+static AVFormatContext *g_ifmt_ctx;
+
+static int init_decode(const char *in_file, const char *out_file, int dev_id) {
+ int ret;
+ AVStream *video = NULL;
+ AVCodec *p_codec = NULL;
+ AVDictionary *options = NULL;
+ AVDictionary *dec_opts = NULL;
+
+ if ((ret = avformat_network_init()) != 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "avformat_network_init failed, ret(%d)\n", ret);
+ return ret;
+ }
+ if (!strncmp(in_file, "rtsp", 4) || !strncmp(in_file, "rtmp", 4)) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "decode rtsp/rtmp stream\n");
+ av_dict_set(&options, "buffer_size", "1024000", 0);
+ av_dict_set(&options, "max_delay", "500000", 0);
+ av_dict_set(&options, "stimeout", "20000000", 0);
+ av_dict_set(&options, "rtsp_transport", "tcp", 0);
+ } else {
+ av_log(g_dec_ctx, AV_LOG_INFO, "decode local file stream\n");
+ av_dict_set(&options, "stimeout", "20000000", 0);
+ av_dict_set(&options, "vsync", "0", 0);
+ }
+
+ g_ifmt_ctx = avformat_alloc_context();
+ ret = avformat_open_input(&g_ifmt_ctx, in_file, NULL, &options);
+ av_dict_free(&options);
+ if (ret != 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "avformat_open_input failed, ret(%d)\n",ret);
+ return ret;
+ }
+ ret = avformat_find_stream_info(g_ifmt_ctx, NULL);
+ if (ret < 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "avformat_find_stream_info failed, ret(%d)\n", ret);
+ return ret;
+ }
+ for (size_t i = 0; i < g_ifmt_ctx->nb_streams; i++) {
+ if (g_ifmt_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ video = g_ifmt_ctx->streams[i];
+ video_stream_idx = i;
+ break;
+ }
+ }
+ if (NULL == video) {
+ av_log(g_dec_ctx, AV_LOG_ERROR, "video stream is NULL\n");
+ return -1;
+ }
+ switch(video->codecpar->codec_id) {
+ case AV_CODEC_ID_H264:
+ p_codec = avcodec_find_decoder_by_name("h264_mludec"); break;
+ case AV_CODEC_ID_HEVC:
+ p_codec = avcodec_find_decoder_by_name("hevc_mludec"); break;
+ case AV_CODEC_ID_VP8:
+ p_codec = avcodec_find_decoder_by_name("vp8_mludec"); break;
+ case AV_CODEC_ID_VP9:
+ p_codec = avcodec_find_decoder_by_name("vp9_mludec"); break;
+ case AV_CODEC_ID_MJPEG:
+ p_codec = avcodec_find_decoder_by_name("mjpeg_mludec"); break;
+ default:
+ p_codec = avcodec_find_decoder(video->codecpar->codec_id); break;
+ }
+ if(p_codec == NULL) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "Unsupported codec! \n");
+ return -1;
+ }
+ g_dec_ctx = avcodec_alloc_context3(p_codec);
+ if(avcodec_parameters_to_context(g_dec_ctx, video->codecpar) != 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "Could not copy codec context, ret(%d)\n", ret);
+ return -1;
+ }
+
+ av_dict_set_int(&dec_opts, "device_id", dev_id, 0);
+
+ if(avcodec_open2(g_dec_ctx, p_codec, &dec_opts) < 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "Could not open codec, ret(%d)\n", ret);
+ return -1;
+ }
+ av_dict_free(&dec_opts);
+
+ fp_yuv = fopen(out_file, "wb+");
+
+ return 0;
+}
+
+static void save_yuv_file(AVFrame *p_frame) {
+ fwrite(p_frame->data[0], 1, p_frame->width * p_frame->height, fp_yuv);
+ fwrite(p_frame->data[1], 1, (p_frame->width * p_frame->height) / 2, fp_yuv);
+}
+
+static int decode(AVCodecContext *dec_ctx) {
+ int ret;
+ AVPacket packet;
+ AVFrame *p_frame;
+ av_init_packet(&packet);
+ p_frame = av_frame_alloc();
+ while(1) {
+ ret = av_read_frame(g_ifmt_ctx, &packet);
+ if (ret == AVERROR_EOF) {
+ // av_log(g_dec_ctx, AV_LOG_INFO, "av_read_frame got eof\n");
+ } else if (ret < 0) {
+ av_log(g_dec_ctx, AV_LOG_ERROR, "av_read_frame failed, ret(%d)\n", ret);
+ return ret;
+ }
+ if (packet.stream_index != video_stream_idx) {
+ av_packet_unref(&packet);
+ continue;
+ }
+ ret = avcodec_send_packet(dec_ctx, &packet);
+ if (ret < 0) {
+ av_log(dec_ctx, AV_LOG_ERROR,
+ "send pkt failed, ret(%d), %s, %d\n", ret, __FILE__, __LINE__);
+ return ret;
+ }
+ while (ret >= 0) {
+ ret = avcodec_receive_frame(dec_ctx, p_frame);
+ if (ret == AVERROR_EOF) {
+ // av_log(g_dec_ctx, AV_LOG_INFO, "dec receive eof\n");
+ av_frame_unref(p_frame);
+ return 0;
+ } else if (ret == 0) {
+ save_yuv_file(p_frame);
+ av_frame_unref(p_frame);
+ } else if (ret < 0 && ret != AVERROR(EAGAIN)) {
+ av_log(dec_ctx, AV_LOG_ERROR, "receive frame failed\n");
+ return ret;
+ }
+ }
+ av_packet_unref(&packet);
+ }
+
+ av_frame_free(&p_frame);
+
+ return 0;
+}
+
+int main (int argc, char **argv) {
+ int ret = -1;
+ int dev_id = 0;
+ const char *in_file, *out_file;
+
+ if (argc <= 2) {
+ av_log(g_dec_ctx, AV_LOG_WARNING,
+ "Usage: %s <in file> <out file> [option dev_id]\n", argv[0]);
+ return -1;
+ }
+ in_file = argv[1];
+ out_file = argv[2];
+ if (argv[3]) {
+ dev_id = atoi(argv[3]);
+ }
+
+ ret = init_decode(in_file, out_file, dev_id);
+ if (ret < 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "init decode failed \n");
+ return -1;
+ }
+
+ ret = decode(g_dec_ctx);
+ if (ret < 0) {
+ av_log(g_dec_ctx, AV_LOG_INFO, "decode failed\n");
+ return -1;
+ }
+
+ av_log(g_dec_ctx, AV_LOG_INFO, "decode_mlu test finish\n");
+ fclose(fp_yuv);
+ avformat_close_input(&g_ifmt_ctx);
+ avcodec_free_context(&g_dec_ctx);
+
+ return 0;
+}
diff --git a/doc/examples/encode_change_mlu.c b/doc/examples/encode_change_mlu.c
new file mode 100644
index 0000000000..9afe53c1c5
--- /dev/null
+++ b/doc/examples/encode_change_mlu.c
@@ -0,0 +1,284 @@
+/*
+ * MLU MPP Video Acceleration API encode sample
+ * Copyright (C) [2024] by Cambricon, Inc. All rights reserved
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * @file
+ * Cambricon MLUMPP-HW-Accelerated encoding example.
+ *
+ * @example encode_mlu.c
+ * This example shows how to do mlumpp-HW-accelerated encoding.
+ * Usage: encode_mlu output.h264 h264
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+
+static FILE *fp_yuv;
+static AVCodecContext *g_enc_ctx;
+
+static int init_encode(const char *out_file,
+ const char *codec_type,
+ int in_w, int int_h, int dev_id) {
+ int ret;
+ AVCodec *p_codec = NULL;
+ AVDictionary *enc_opts = NULL;
+
+ if ((ret = avformat_network_init()) != 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "avformat_network_init failed, ret(%d)\n", ret);
+ return ret;
+ }
+ if (!strcmp(codec_type, "h264")) {
+ p_codec = avcodec_find_encoder_by_name("h264_mluenc");
+ } else if (!strcmp(codec_type, "hevc")) {
+ p_codec = avcodec_find_encoder_by_name("hevc_mluenc");
+ } else if (!strcmp(codec_type, "mjpeg")) {
+ p_codec = avcodec_find_encoder_by_name("mjpeg_mluenc");
+ } else {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "unsupport mlu encoder\n");
+ return -1;
+ }
+ if(!p_codec) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "encoder find failed.\n");
+ return -1;
+ }
+
+ g_enc_ctx = avcodec_alloc_context3(p_codec);
+ if (!g_enc_ctx) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "could not allocate video codec context\n");
+ return -1;
+ }
+
+ g_enc_ctx->width = in_w;
+ g_enc_ctx->height = int_h;
+ g_enc_ctx->bit_rate = 1000000;
+ g_enc_ctx->time_base = (AVRational) {1, 25};
+ g_enc_ctx->framerate = (AVRational) {25, 1};
+ // g_enc_ctx->gop_size = 10;
+ // g_enc_ctx->max_b_frames = 1;
+ g_enc_ctx->pix_fmt = AV_PIX_FMT_NV12;
+
+ av_dict_set_int(&enc_opts, "device_id", dev_id, 0);
+ av_dict_set_int(&enc_opts, "forced_idr", 1, 0);
+ av_dict_set_int(&enc_opts, "max_width", 1920, 0);
+ av_dict_set_int(&enc_opts, "max_height", 1080, 0);
+ // av_dict_set(&enc_opts, "rc", "cbr", 0);
+
+ // g_enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
+ g_enc_ctx->flags &= (~AV_CODEC_FLAG_GLOBAL_HEADER);
+
+ ret = avcodec_open2(g_enc_ctx, p_codec, &enc_opts);
+ if(ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "avcodec open failed.\n");
+ return -1;
+ }
+ av_dict_free(&enc_opts);
+
+ fp_yuv = fopen(out_file, "wb");
+ if (!fp_yuv) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "Could not open %s\n", out_file);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int make_frame_auto(AVCodecContext *enc_ctx, AVFrame *frame, int frame_id) {
+ int ret, x, y;
+ /* make sure the frame data is writable */
+ ret = av_frame_make_writable(frame);
+ if (ret < 0)
+ return -1;
+ /* prepare a dummy image, NV12 */
+ /* Y */
+ for (y = 0; y < enc_ctx->height; y++) {
+ for (x = 0; x < enc_ctx->width; x++) {
+ frame->data[0][y*frame->linesize[0]+x] = x + y + frame_id * 3;
+ }
+ }
+ /* Cb and Cr */
+ for (y = 0; y < enc_ctx->height / 2; y++) {
+ for (x = 0; x < enc_ctx->width; x+=2) {
+ frame->data[1][y*frame->linesize[1]+x] = 128 + y + frame_id * 2;
+ frame->data[1][y*frame->linesize[1]+x+1] = 64 + x + frame_id * 5;
+ }
+ }
+
+ frame->pts = frame_id;
+ return 0;
+}
+
+static int encode_frame(AVCodecContext *enc_ctx, AVFrame *frame, AVPacket *pkt,
+ FILE *outfile)
+{
+ int ret;
+ if (frame)
+ av_log(enc_ctx, AV_LOG_INFO,
+ "Send frame %3"PRId64"\n", frame->pts);
+
+ ret = avcodec_send_frame(enc_ctx, frame);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Error sending a frame for encoding\n");
+ return -1;
+ }
+
+ while (ret >= 0) {
+ ret = avcodec_receive_packet(enc_ctx, pkt);
+ if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+ return 0;
+ else if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Error during encoding\n");
+ return -1;
+ }
+
+ av_log(enc_ctx, AV_LOG_INFO,
+ "Write packet %3"PRId64" (size=%5d)\n", pkt->pts, pkt->size);
+ fwrite(pkt->data, 1, pkt->size, outfile);
+ av_packet_unref(pkt);
+ }
+
+ return 0;
+}
+
+static int encode(AVCodecContext *enc_ctx, FILE *outfile, int frame_num) {
+ int ret, cnt = -1;
+ AVFrame *frame;
+ AVPacket *pkt;
+ uint8_t endcode[] = {0, 0, 1, 0xb7};
+
+ pkt = av_packet_alloc();
+ av_init_packet(pkt);
+
+ while (cnt++ < frame_num) {
+ frame = av_frame_alloc();
+ frame->width = enc_ctx->width;
+ frame->height = enc_ctx->height;
+ frame->pict_type = cnt % 25 ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
+ if (cnt == 111) {
+ enc_ctx->bit_rate = 512 * 1024;
+ enc_ctx->framerate.num = 10;
+ enc_ctx->framerate.den = 1;
+ frame->pict_type = AV_PICTURE_TYPE_I;
+ }
+ if (cnt == 131) {
+ enc_ctx->bit_rate = 10 * 1024 * 1024;
+ enc_ctx->framerate.num = 20;
+ enc_ctx->framerate.den = 1;
+ frame->pict_type = AV_PICTURE_TYPE_I;
+ }
+ if (cnt >= 50) {
+ frame->width = 1920;
+ frame->height = 1080;
+ enc_ctx->width = frame->width;
+ enc_ctx->height= frame->height;
+ enc_ctx->coded_width = frame->width;
+ enc_ctx->coded_height= frame->height;
+ }
+
+ frame->format = enc_ctx->pix_fmt;
+ ret = av_frame_get_buffer(frame, 0);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Could not allocate the video frame data\n");
+ return -1;
+ }
+ ret = make_frame_auto(enc_ctx, frame, cnt);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "make frame auto failed, ret%d\n", ret);
+ return -1;
+ }
+ av_log(enc_ctx, AV_LOG_WARNING, "bit_rate:%ld, num:%d, den:%d\n",
+ enc_ctx->bit_rate, enc_ctx->framerate.num, enc_ctx->framerate.den);
+
+ ret = encode_frame(enc_ctx, frame, pkt, outfile);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "encode_frame failed, ret%d\n", ret);
+ return -1;
+ }
+ av_frame_free(&frame);
+ }
+
+ encode_frame(enc_ctx, NULL, pkt, outfile);
+ // add sequence end code to have a real MPEG file
+ fwrite(endcode, 1, sizeof(endcode), outfile);
+
+ av_packet_free(&pkt);
+
+ return 0;
+}
+
+int main (int argc, char **argv) {
+ int ret = -1;
+ int dev_id = 0, in_w, in_h, frame_num;
+ const char *out_file;
+ char codec_type[10] = "h264";
+ char *enc_type = NULL;
+
+ if (argc <= 1) {
+ av_log(g_enc_ctx, AV_LOG_WARNING,
+ "Usage: %s <out file> <dev_id> [option <enc_type>, h264 or hevc]\n",
+ argv[0]);
+ return -1;
+ }
+
+ out_file = argv[1];
+ if (argv[2]) dev_id = atoi(argv[2]);
+ else dev_id = 0;
+ if (argv[3]) enc_type = argv[3];
+ else enc_type = codec_type;
+
+ in_w = 960;
+ in_h = 540;
+ frame_num = 200;
+
+ ret = init_encode(out_file, enc_type, in_w, in_h, dev_id);
+ if (ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "init decode failed \n");
+ return -1;
+ }
+
+ ret = encode(g_enc_ctx, fp_yuv, frame_num);
+ if (ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "decode failed\n");
+ return -1;
+ }
+
+ av_log(g_enc_ctx, AV_LOG_INFO,
+ "\n enc type:%s w:%d, h:%d, dev id:%d, frame num:%d\n",
+ enc_type, in_w, in_h, dev_id, frame_num);
+ av_log(g_enc_ctx, AV_LOG_INFO, "encode_mlu test finish\n");
+ fclose(fp_yuv);
+ avcodec_free_context(&g_enc_ctx);
+
+ return 0;
+}
diff --git a/doc/examples/encode_mlu.c b/doc/examples/encode_mlu.c
new file mode 100644
index 0000000000..611d5165b0
--- /dev/null
+++ b/doc/examples/encode_mlu.c
@@ -0,0 +1,252 @@
+/*
+ * MLU MPP Video Acceleration API encode sample
+ * Copyright (C) [2019] by Cambricon, Inc. All rights reserved
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * @file
+ * Cambricon MLUMPP-HW-Accelerated encoding example.
+ *
+ * @example encode_mlu.c
+ * This example shows how to do mlumpp-HW-accelerated encoding.
+ * Usage: encode_mlu output.h264 h264
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+
+static FILE *fp_yuv;
+static AVCodecContext *g_enc_ctx;
+
+static int init_encode(const char *out_file,
+ const char *codec_type,
+ int in_w, int int_h, int dev_id) {
+ int ret;
+ AVCodec *p_codec = NULL;
+ AVDictionary *enc_opts = NULL;
+
+ if ((ret = avformat_network_init()) != 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "avformat_network_init failed, ret(%d)\n", ret);
+ return ret;
+ }
+ if (!strcmp(codec_type, "h264")) {
+ p_codec = avcodec_find_encoder_by_name("h264_mluenc");
+ } else if (!strcmp(codec_type, "hevc")) {
+ p_codec = avcodec_find_encoder_by_name("hevc_mluenc");
+ } else if (!strcmp(codec_type, "mjpeg")) {
+ p_codec = avcodec_find_encoder_by_name("mjpeg_mluenc");
+ } else {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "unsupport mlu encoder\n");
+ return -1;
+ }
+ if(!p_codec) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "encoder find failed.\n");
+ return -1;
+ }
+
+ g_enc_ctx = avcodec_alloc_context3(p_codec);
+ if (!g_enc_ctx) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "could not allocate video codec context\n");
+ return -1;
+ }
+
+ g_enc_ctx->width = in_w;
+ g_enc_ctx->height = int_h;
+ g_enc_ctx->bit_rate = 1000000;
+ g_enc_ctx->time_base = (AVRational) {1, 25};
+ g_enc_ctx->framerate = (AVRational) {25, 1};
+ // g_enc_ctx->gop_size = 10;
+ // g_enc_ctx->max_b_frames = 1;
+ g_enc_ctx->pix_fmt = AV_PIX_FMT_NV12;
+
+ av_dict_set_int(&enc_opts, "device_id", dev_id, 0);
+
+ ret = avcodec_open2(g_enc_ctx, p_codec, &enc_opts);
+ if(ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "avcodec open failed.\n");
+ return -1;
+ }
+ av_dict_free(&enc_opts);
+
+ fp_yuv = fopen(out_file, "wb");
+ if (!fp_yuv) {
+ av_log(g_enc_ctx, AV_LOG_ERROR,
+ "Could not open %s\n", out_file);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int make_frame_auto(AVCodecContext *enc_ctx, AVFrame *frame, int frame_id) {
+ int ret, x, y;
+ /* make sure the frame data is writable */
+ ret = av_frame_make_writable(frame);
+ if (ret < 0)
+ return -1;
+ /* prepare a dummy image, NV12 */
+ /* Y */
+ for (y = 0; y < enc_ctx->height; y++) {
+ for (x = 0; x < enc_ctx->width; x++) {
+ frame->data[0][y*frame->linesize[0]+x] = x + y + frame_id * 3;
+ }
+ }
+ /* Cb and Cr */
+ for (y = 0; y < enc_ctx->height / 2; y++) {
+ for (x = 0; x < enc_ctx->width; x+=2) {
+ frame->data[1][y*frame->linesize[1]+x] = 128 + y + frame_id * 2;
+ frame->data[1][y*frame->linesize[1]+x+1] = 64 + x + frame_id * 5;
+ }
+ }
+
+ frame->pts = frame_id;
+ return 0;
+}
+
+static int encode_frame(AVCodecContext *enc_ctx, AVFrame *frame, AVPacket *pkt,
+ FILE *outfile)
+{
+ int ret;
+ if (frame)
+ av_log(enc_ctx, AV_LOG_INFO,
+ "Send frame %3"PRId64"\n", frame->pts);
+
+ ret = avcodec_send_frame(enc_ctx, frame);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Error sending a frame for encoding\n");
+ return -1;
+ }
+
+ while (ret >= 0) {
+ ret = avcodec_receive_packet(enc_ctx, pkt);
+ if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+ return 0;
+ else if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Error during encoding\n");
+ return -1;
+ }
+
+ av_log(enc_ctx, AV_LOG_INFO,
+ "Write packet %3"PRId64" (size=%5d)\n", pkt->pts, pkt->size);
+ fwrite(pkt->data, 1, pkt->size, outfile);
+ av_packet_unref(pkt);
+ }
+
+ return 0;
+}
+
+static int encode(AVCodecContext *enc_ctx, FILE *outfile, int frame_num) {
+ int ret, cnt = -1;
+ AVFrame *frame;
+ AVPacket *pkt;
+ uint8_t endcode[] = {0, 0, 1, 0xb7};
+
+ pkt = av_packet_alloc();
+ av_init_packet(pkt);
+ frame = av_frame_alloc();
+ frame->width = enc_ctx->width;
+ frame->height = enc_ctx->height;
+ frame->format = enc_ctx->pix_fmt;
+ ret = av_frame_get_buffer(frame, 0);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "Could not allocate the video frame data\n");
+ return -1;
+ }
+
+ while (cnt++ < frame_num) {
+ ret = make_frame_auto(enc_ctx, frame, cnt);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "make frame auto failed, ret%d\n", ret);
+ return -1;
+ }
+ ret = encode_frame(enc_ctx, frame, pkt, outfile);
+ if (ret < 0) {
+ av_log(enc_ctx, AV_LOG_ERROR,
+ "encode_frame failed, ret%d\n", ret);
+ return -1;
+ }
+ }
+
+ encode_frame(enc_ctx, NULL, pkt, outfile);
+ // add sequence end code to have a real MPEG file
+ fwrite(endcode, 1, sizeof(endcode), outfile);
+
+ av_frame_free(&frame);
+ av_packet_free(&pkt);
+
+ return 0;
+}
+
+int main (int argc, char **argv) {
+ int ret = -1;
+ int dev_id = 0, in_w, in_h, frame_num;
+ const char *out_file;
+ char codec_type[10] = "h264";
+ char *enc_type = NULL;
+
+ if (argc <= 1) {
+ av_log(g_enc_ctx, AV_LOG_WARNING,
+ "Usage: %s <out file> <dev_id> [option <enc_type>, h264 or hevc]\n",
+ argv[0]);
+ return -1;
+ }
+
+ out_file = argv[1];
+ if (argv[2]) dev_id = atoi(argv[2]);
+ else dev_id = 0;
+ if (argv[3]) enc_type = argv[3];
+ else enc_type = codec_type;
+
+ in_w = 960;
+ in_h = 540;
+ frame_num = 500;
+
+ ret = init_encode(out_file, enc_type, in_w, in_h, dev_id);
+ if (ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "init decode failed \n");
+ return -1;
+ }
+
+ ret = encode(g_enc_ctx, fp_yuv, frame_num);
+ if (ret < 0) {
+ av_log(g_enc_ctx, AV_LOG_ERROR, "decode failed\n");
+ return -1;
+ }
+
+ av_log(g_enc_ctx, AV_LOG_INFO,
+ "\n enc type:%s w:%d, h:%d, dev id:%d, frame num:%d\n",
+ enc_type, in_w, in_h, dev_id, frame_num);
+ av_log(g_enc_ctx, AV_LOG_INFO, "encode_mlu test finish\n");
+ fclose(fp_yuv);
+ avcodec_free_context(&g_enc_ctx);
+
+ return 0;
+}
diff --git a/doc/examples/hw_decode_mlu.c b/doc/examples/hw_decode_mlu.c
new file mode 100644
index 0000000000..87f2cb78a7