C++ (Cpp) avcodec_default_execute示例

示例#1

文件： pthread.c 项目： AlexanderGarmash/ffmpeg-ndk

static int avcodec_thread_execute(AVCodecContext *avctx, action_func* func, void *arg, int *ret, int job_count, int job_size)
{
    ThreadContext *c= avctx->thread_opaque;
    int dummy_ret;

    if (!(avctx->active_thread_type&FF_THREAD_SLICE) || avctx->thread_count <= 1)
        return avcodec_default_execute(avctx, func, arg, ret, job_count, job_size);

    if (job_count <= 0)
        return 0;

    pthread_mutex_lock(&c->current_job_lock);

    c->current_job = avctx->thread_count;
    c->job_count = job_count;
    c->job_size = job_size;
    c->args = arg;
    c->func = func;
    if (ret) {
        c->rets = ret;
        c->rets_count = job_count;
    } else {
        c->rets = &dummy_ret;
        c->rets_count = 1;
    }
    pthread_cond_broadcast(&c->current_job_cond);

    avcodec_thread_park_workers(c, avctx->thread_count);

    return 0;
}

示例#2

文件： pthread_slice.c 项目： DeHackEd/FFmpeg

static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, int *ret, int job_count, int job_size)
{
    SliceThreadContext *c = avctx->internal->thread_ctx;

    if (!(avctx->active_thread_type&FF_THREAD_SLICE) || avctx->thread_count <= 1)
        return avcodec_default_execute(avctx, func, arg, ret, job_count, job_size);

    if (job_count <= 0)
        return 0;

    c->job_size = job_size;
    c->args = arg;
    c->func = func;
    c->rets = ret;

    avpriv_slicethread_execute(c->thread, job_count, !!c->mainfunc  );
    return 0;
}