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readme完善
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README.md
| 1 | #### ffmpeg编译配置 | 1 | #### ffmpeg编译配置 |
| 2 | +1. 安装cuda | ||
| 3 | +2. 安装 nv-codec-headers | ||
| 4 | + 支持 cuvid 需要安装 nv-codec-headers， 进入 nv-codec-headers 文件夹后以sudo权限make && make install即可 | ||
| 5 | +3. 编译ffmpeg | ||
| 2 | ~~~ | 6 | ~~~ |
| 3 | ./configure --enable-debug --extra-cflags=-g --extra-ldflags=-g --disable-optimizations --disable-stripping --enable-cuda --enable-cuvid --enable-nvenc --disable-x86asm --enable-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda-11.7/targets/x86_64-linux/include --extra-cflags=-fPIC --extra-ldflags=-L/usr/local/cuda-11.7/targets/x86_64-linux/lib --enable-shared --enable-pic --enable-ffplay --prefix=../bin | 7 | ./configure --enable-debug --extra-cflags=-g --extra-ldflags=-g --disable-optimizations --disable-stripping --enable-cuda --enable-cuvid --enable-nvenc --disable-x86asm --enable-nonfree --enable-libnpp --extra-cflags=-I/usr/local/cuda-11.7/targets/x86_64-linux/include --extra-cflags=-fPIC --extra-ldflags=-L/usr/local/cuda-11.7/targets/x86_64-linux/lib --enable-shared --enable-pic --enable-ffplay --prefix=../bin |
| 4 | ~~~ | 8 | ~~~ |
| @@ -7,4 +11,5 @@ | @@ -7,4 +11,5 @@ | ||
| 7 | --enable-debug --extra-cflags=-g --extra-ldflags=-g --disable-optimizations --disable-stripping | 11 | --enable-debug --extra-cflags=-g --extra-ldflags=-g --disable-optimizations --disable-stripping |
| 8 | ~~~ | 12 | ~~~ |
| 9 | 13 | ||
| 10 | -#### | ||
| 11 | \ No newline at end of file | 14 | \ No newline at end of file |
| 15 | +#### SDK说明 | ||
| 16 | +1. 对外接口主要是 FFNvDecoderManager 类，可支持多个解码器；也可直接使用 FFNvDecoder ，但是不建议，FFNvDecoderManager已经封装了 FFNvDecoder 的接口 | ||
| 12 | \ No newline at end of file | 17 | \ No newline at end of file |
nv-codec-headers @ 3ed7c9a0a2c
| 1 | +Subproject commit 3ed7c9a0a2c0b698b83088e13008f3ec983219b2 |
src/FFNvDecoder.cpp
| @@ -221,17 +221,6 @@ void FFNvDecoder::decode_thread() | @@ -221,17 +221,6 @@ void FFNvDecoder::decode_thread() | ||
| 221 | } | 221 | } |
| 222 | 222 | ||
| 223 | mFrameQueue.addTail(); | 223 | mFrameQueue.addTail(); |
| 224 | - | ||
| 225 | - // if (gpuFrame->format == hw_pix_fmt) | ||
| 226 | - // { | ||
| 227 | - // /* retrieve data from GPU to CPU */ | ||
| 228 | - // if (av_hwframe_transfer_data(pong_frame, gpuFrame, 0) < 0) | ||
| 229 | - // { | ||
| 230 | - // cout << "Failed to transfer the data to system memory"; | ||
| 231 | - // return; | ||
| 232 | - // } | ||
| 233 | - // } | ||
| 234 | - | ||
| 235 | } | 224 | } |
| 236 | av_packet_unref(pkt); | 225 | av_packet_unref(pkt); |
| 237 | } | 226 | } |