Function hb_avcodec_open

libhb/hb.c:79–109

static void thread_func( void * );

int hb_avcodec_open(AVCodecContext *avctx, const AVCodec *codec,
                    AVDictionary **av_opts, int thread_count)
{
    int ret;

    if ((thread_count == HB_FFMPEG_THREADS_AUTO || thread_count > 0) &&
        (codec->type == AVMEDIA_TYPE_VIDEO))
    {
#if defined (__aarch64__) && defined(_WIN32)
        avctx->thread_count = (thread_count == HB_FFMPEG_THREADS_AUTO) ?
                               hb_get_cpu_count() + 1 : thread_count;
#else
        avctx->thread_count = (thread_count == HB_FFMPEG_THREADS_AUTO) ?
                               hb_get_cpu_count() / 2 + 1 : thread_count;
#endif
        avctx->thread_type = FF_THREAD_FRAME|FF_THREAD_SLICE;
    }
    else
    {
        avctx->thread_count = 1;
    }

    if (codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL)
    {
        // "experimental" encoders will not open without this
        avctx->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL;
    }

    ret = avcodec_open2(avctx, codec, av_opts);
    return ret;
}

void hb_avcodec_free_context(AVCodecContext **avctx)
{