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Very agressive performance boost for rreplay on device

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DevTekVE
2024-12-29 09:18:11 +01:00
parent 341b92176e
commit 82d67bba87
1 changed files with 24 additions and 1 deletions
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tools/replay/framereader.cc
+24 -1
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@@ -119,7 +119,13 @@ VideoDecoder::~VideoDecoder() {
}
bool VideoDecoder::open(AVCodecParameters *codecpar, bool hw_decoder) {
const AVCodec *decoder = avcodec_find_decoder(codecpar->codec_id);
const AVCodec *decoder = avcodec_find_decoder_by_name("h264_mediacodec");
if (!decoder) {
decoder = avcodec_find_decoder_by_name("h264_qcom");
}
if (!decoder) {
decoder = avcodec_find_decoder(codecpar->codec_id);
}
if (!decoder) return false;
decoder_ctx = avcodec_alloc_context3(decoder);
@@ -127,6 +133,23 @@ bool VideoDecoder::open(AVCodecParameters *codecpar, bool hw_decoder) {
rError("Failed to allocate or initialize codec context");
return false;
}
// More aggressive settings focused on reducing lag
decoder_ctx->thread_count = static_cast<int>(std::min(std::thread::hardware_concurrency(), 16u));
decoder_ctx->thread_type = FF_THREAD_FRAME | FF_THREAD_SLICE;
// Very aggressive frame dropping
decoder_ctx->flags |= AV_CODEC_FLAG_LOW_DELAY;
decoder_ctx->flags2 |= AV_CODEC_FLAG2_FAST;
decoder_ctx->skip_frame = AVDISCARD_BIDIR; // More aggressive frame skipping
decoder_ctx->skip_loop_filter = AVDISCARD_ALL;
decoder_ctx->workaround_bugs = FF_BUG_AUTODETECT;
// Minimize buffering
decoder_ctx->max_b_frames = 0;
decoder_ctx->strict_std_compliance = FF_COMPLIANCE_UNOFFICIAL; // Allow faster non-standard optimizations
decoder_ctx->flags |= AV_CODEC_FLAG_OUTPUT_CORRUPT; // Output frames even if slightly corrupted
width = (decoder_ctx->width + 3) & ~3;
height = decoder_ctx->height;