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RTC: Refine FFmpeg opus audio noisy issue. v5.0.197 (#3852)
When converting between AAC and Opus formats (aac2opus or opus2aac), the `av_frame_get_buffer` API is frequently called. The goal is to optimize the code logic and reduce the frequent allocation and deallocation of memory. In the case of aac2opus, av_frame_get_buffer is still frequently called. In the case of opus2aac, the goal is to avoid calling av_frame_get_buffer and reduce memory allocations. Before calling the `av_audio_fifo_read` API, use `av_frame_make_writable` to check if the frame is writable. If it is not writable, create a new frame. --------- Co-authored-by: john <hondaxiao@tencent.com>
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9 changed files with 25 additions and 23 deletions
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@ -448,8 +448,7 @@ function parse_user_option() {
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--ffmpeg-tool) SRS_FFMPEG_TOOL=$(switch2value $value) ;;
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# use cache for build.
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--build-cache) SRS_BUILD_CACHE=YES ;;
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--without-build-cache) SRS_BUILD_CACHE=NO ;;
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--build-cache) SRS_BUILD_CACHE=$(switch2value $value) ;;
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*)
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echo "$0: error: invalid option \"$option\""
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