Merge "C2SoftGav1Dec: Add support for configuring threads using setprop" into main

#define LOG_TAG "C2SoftGav1Dec"

#include "C2SoftGav1Dec.h"

#include <android-base/properties.h>

#include <C2Debug.h>

#include <C2PlatformSupport.h>

#include <Codec2BufferUtils.h>

namespace android {

// Property used to control the number of threads used in the gav1 decoder.

constexpr char kNumThreadsProperty[] = "debug.c2.gav1.numthreads";

// codecname set and passed in as a compile flag from Android.bp

constexpr char COMPONENT_NAME[] = CODECNAME;

  libgav1::DecoderSettings settings = {};

  settings.threads = GetCPUCoreCount();

  int32_t numThreads = android::base::GetIntProperty(kNumThreadsProperty, 0);

  if (numThreads > 0 && numThreads < settings.threads) {

    settings.threads = numThreads;

  }

  ALOGV("Using libgav1 AV1 software decoder.");

  Libgav1StatusCode status = mCodecCtx->Init(&settings);