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147 lines
8.2 KiB
147 lines
8.2 KiB
/* Настоящие software bitstream/decoder под GPU-границей FFmpeg: задержка, пачки, |
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* PTS QSV 90kHz, AMF с периодическим IDR, отказ замены и запрет CPU fallback. |
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* Драйвер не эмулируется: тест проверяет конвейер приложения, аппаратные прогоны нужны отдельно. */ |
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#include "../src/call_video_encoder.h" |
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#include "../src/call_video_decoder.h" |
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#include <QtTest> |
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#include <QScopeGuard> |
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#include <deque> |
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#include <map> |
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#include <mutex> |
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extern "C" { |
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#include "debug_config.h" |
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#include <libavcodec/avcodec.h> |
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#include <libavutil/opt.h> |
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} |
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struct Pending { |
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std::deque<AVPacket*> packets; |
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unsigned inputs = 0, serial = 0; |
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}; |
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static std::mutex lock; |
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static std::map<AVCodecContext*, Pending> contexts; |
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static QByteArray selected; |
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static unsigned opened = 0, software = 0; |
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static int depth = 1; |
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static bool burst = false, badReplacement = false; |
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extern "C" const AVCodec* __real_avcodec_find_encoder_by_name(const char*); |
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extern "C" const AVCodec* __wrap_avcodec_find_encoder_by_name(const char* name) { |
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QByteArray requested(name); |
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bool hardware = requested.endsWith("_nvenc") || requested.endsWith("_amf") |
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|| requested.endsWith("_qsv") || requested.endsWith("_vaapi"); |
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if (hardware) return requested == selected ? __real_avcodec_find_encoder_by_name( |
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requested.startsWith("h264") ? "libx264" : "libx265") : nullptr; |
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++software; return __real_avcodec_find_encoder_by_name(name); |
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} |
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extern "C" int __real_avcodec_open2(AVCodecContext*, const AVCodec*, AVDictionary**); |
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extern "C" int __wrap_avcodec_open2(AVCodecContext* context, const AVCodec* codec, AVDictionary** options) { |
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if (!av_codec_is_encoder(codec)) return __real_avcodec_open2(context, codec, options); |
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std::lock_guard<std::mutex> guard(lock); |
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if (selected.endsWith("_nvenc")) { |
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auto* delay = av_dict_get(*options, "delay", nullptr, 0); |
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if (!delay || QByteArray(delay->value) != "0") return AVERROR(EINVAL); |
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} |
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if (selected.endsWith("_qsv") && context->time_base.den != 90000) return AVERROR(EINVAL); |
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if (selected.endsWith("_amf") && context->pix_fmt != AV_PIX_FMT_NV12 && context->pix_fmt != AV_PIX_FMT_YUV420P) |
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return AVERROR(EINVAL); |
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av_dict_free(options); |
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av_dict_set(options, "preset", "ultrafast", 0); av_dict_set(options, "tune", "zerolatency", 0); |
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av_dict_set(options, "forced-idr", "1", 0); |
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bool h264 = context->codec_id == AV_CODEC_ID_H264; |
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av_dict_set(options, "profile", h264 ? "baseline" : "main", 0); |
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QByteArray parameters = h264 ? "scenecut=0:open-gop=0:ref=1:level=" : |
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"pools=1:frame-threads=1:bframes=0:rc-lookahead=0:open-gop=0:ref=1:info=0:log-level=error:high-tier=0:level-idc="; |
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parameters += QByteArray::number(h264 || selected.endsWith("_qsv") ? context->level : context->level / 3); |
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av_dict_set(options, h264 ? "x264-params" : "x265-params", parameters.constData(), 0); |
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int result = __real_avcodec_open2(context, codec, options); |
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if (result >= 0) contexts[context].serial = ++opened; |
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return result; |
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} |
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extern "C" int __real_avcodec_send_frame(AVCodecContext*, const AVFrame*); |
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extern "C" int __wrap_avcodec_send_frame(AVCodecContext* context, const AVFrame* frame) { |
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int result = __real_avcodec_send_frame(context, frame); |
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if (result >= 0 && frame) { std::lock_guard<std::mutex> guard(lock); ++contexts[context].inputs; } |
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return result; |
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} |
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extern "C" int __real_avcodec_receive_packet(AVCodecContext*, AVPacket*); |
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extern "C" int __wrap_avcodec_receive_packet(AVCodecContext* context, AVPacket* output) { |
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std::lock_guard<std::mutex> guard(lock); |
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auto& state = contexts[context]; |
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AVPacket* packet = av_packet_alloc(); if (!packet) return AVERROR(ENOMEM); |
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int result = __real_avcodec_receive_packet(context, packet); |
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if (result >= 0) { |
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if (badReplacement && state.serial >= 4) packet->flags &= ~AV_PKT_FLAG_KEY; |
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state.packets.push_back(packet); |
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} else av_packet_free(&packet); |
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if (result < 0 && result != AVERROR(EAGAIN)) return result; |
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bool ready = burst ? state.inputs % 3 == 0 : state.packets.size() > size_t(depth); |
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if (!ready || state.packets.empty()) return AVERROR(EAGAIN); |
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av_packet_move_ref(output, state.packets.front()); av_packet_free(&state.packets.front()); state.packets.pop_front(); return 0; |
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} |
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extern "C" void __real_avcodec_free_context(AVCodecContext**); |
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extern "C" void __wrap_avcodec_free_context(AVCodecContext** context) { |
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{ std::lock_guard<std::mutex> guard(lock); |
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auto it = contexts.find(*context); |
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if (it != contexts.end()) { for (auto* packet : it->second.packets) av_packet_free(&packet); contexts.erase(it); } } |
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__real_avcodec_free_context(context); |
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} |
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class GpuTest : public QObject { |
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Q_OBJECT |
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private slots: |
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void initTestCase() { debug_config_init(); debug_set_level(DEBUG_LEVEL_WARN); av_log_set_level(AV_LOG_ERROR); } |
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void init() { selected.clear(); opened = software = 0; depth = 1; burst = badReplacement = false; QVERIFY(contexts.empty()); } |
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void cleanup() { QVERIFY(contexts.empty()); } |
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void gpuOnly() { |
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CallVideoEncoder encoder; call_video_format format{1, 640, 360, 30, 0, 1, 31, 4000000, 2}; |
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QVERIFY(!encoder.open(format, 1000000)); QCOMPARE(software, 0u); |
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} |
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void pipeline_data() { |
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QTest::addColumn<QByteArray>("backend"); QTest::addColumn<bool>("batch"); QTest::addColumn<bool>("reject"); |
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for (auto name : {"h264_nvenc", "hevc_nvenc", "h264_amf", "hevc_amf", "h264_qsv", "hevc_qsv"}) |
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QTest::newRow(name) << QByteArray(name) << false << false; |
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QTest::newRow("batch") << QByteArray("h264_nvenc") << true << false; |
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QTest::newRow("rollback") << QByteArray("h264_nvenc") << false << true; |
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} |
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void pipeline() { |
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QFETCH(QByteArray, backend); QFETCH(bool, batch); QFETCH(bool, reject); |
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selected = backend; burst = batch; badReplacement = reject; |
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const bool h264 = selected.startsWith("h264"); |
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call_video_format format{1, 640, 360, 30, 0, uint8_t(h264 ? 1 : 2), uint8_t(h264 ? 31 : 93), 4000000, uint8_t(h264 ? 2 : 1)}; |
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CallVideoEncoder encoder; QVERIFY2(encoder.open(format, 1000000), qPrintable(encoder.error())); |
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QCOMPARE(software, 0u); |
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CallVideoDecoder decoder; QImage image(640, 360, QImage::Format_RGB32); image.fill(Qt::blue); |
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uint64_t last = 0, request = 0; unsigned shown = 0, maximumBatch = 0; |
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bool completed = false, failed = false; |
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for (unsigned i = 0; i < 120; ++i) { |
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if (i == 7) { request = 1; QVERIFY(encoder.requestBitrate(1, request, 300000)); } |
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if (request && !completed && !failed) QTest::qWait(5); |
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const uint64_t pts = 1234567 + i * 33333ull; QList<LiveEncodedFrame> output; CallVideoRateCompletion completion; |
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QVERIFY2(encoder.encode(image, pts, false, output, completion), qPrintable(encoder.error())); |
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if (completion.request) { |
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QCOMPARE(completion.request, request); QCOMPARE(completion.bitrate, reject ? 0u : 300000u); |
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completed = completion.bitrate != 0; failed = !completed; |
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} |
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maximumBatch = std::max(maximumBatch, unsigned(output.size())); |
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for (const auto& frame : output) { |
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QVERIFY(frame.pts > last); QVERIFY(frame.pts <= pts); |
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QCOMPARE((frame.pts - 1234567) % 33333, uint64_t(0)); |
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QVERIFY(pts - frame.pts <= (batch ? 2u : 1u) * 33333); |
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call_video_frame wire{}; wire.call_id = 1; wire.frame_id = ++shown; wire.pts_us = frame.pts; |
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wire.format = format; wire.size = wire.length = frame.data.size(); wire.flags = frame.key ? CALL_VIDEO_KEY : 0; |
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wire.data = reinterpret_cast<const uint8_t*>(frame.data.constData()); |
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QImage decoded; QVERIFY(decoder.decode(wire, decoded)); |
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last = frame.pts; |
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} |
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} |
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QVERIFY(shown >= 115); QCOMPARE(completed, !reject); QCOMPARE(failed, reject); |
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QCOMPARE(encoder.bitrate(), reject ? 1000000u : 300000u); |
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if (batch) QVERIFY(maximumBatch >= 2); |
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qInfo("GPU pipeline %s shown=%u max_batch=%u rollback=%d", selected.constData(), shown, maximumBatch, failed); |
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} |
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}; |
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QTEST_GUILESS_MAIN(GpuTest) |
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#include "test_call_video_gpu.moc"
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