Function encode_simple_internal

libavcodec/encode.c:289–332

}

static int encode_simple_internal(AVCodecContext *avctx, AVPacket *avpkt)
{
    AVCodecInternal   *avci = avctx->internal;
    AVFrame          *frame = avci->in_frame;
    const FFCodec *const codec = ffcodec(avctx->codec);
    int got_packet;
    int ret;

    if (avci->draining_done)
        return AVERROR_EOF;

    if (!frame->buf[0] && !avci->draining) {
        av_frame_unref(frame);
        ret = ff_encode_get_frame(avctx, frame);
        if (ret < 0 && ret != AVERROR_EOF)
            return ret;
    }

    if (!frame->buf[0]) {
        if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY ||
              avci->frame_thread_encoder))
            return AVERROR_EOF;

        // Flushing is signaled with a NULL frame
        frame = NULL;
    }

    got_packet = 0;

    av_assert0(codec->cb_type == FF_CODEC_CB_TYPE_ENCODE);

#if CONFIG_FRAME_THREAD_ENCODER
    if (avci->frame_thread_encoder)
        /* This will unref frame. */
        ret = ff_thread_video_encode_frame(avctx, avpkt, frame, &got_packet);
    else
#endif
        ret = ff_encode_encode_cb(avctx, avpkt, frame, &got_packet);

    if (avci->draining && !got_packet)
        avci->draining_done = 1;

    return ret;
}

static int encode_simple_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
{