Function ff_hw_base_encode_init

libavcodec/hw_base_encode.c:781–812

}

int ff_hw_base_encode_init(AVCodecContext *avctx, FFHWBaseEncodeContext *ctx)
{
    ctx->log_ctx = (void *)avctx;

    ctx->frame = av_frame_alloc();
    if (!ctx->frame)
        return AVERROR(ENOMEM);

    if (!avctx->hw_frames_ctx) {
        av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
               "required to associate the encoding device.\n");
        return AVERROR(EINVAL);
    }

    ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
    if (!ctx->input_frames_ref)
        return AVERROR(ENOMEM);

    ctx->input_frames = (AVHWFramesContext *)ctx->input_frames_ref->data;

    ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
    if (!ctx->device_ref)
        return AVERROR(ENOMEM);

    ctx->device = (AVHWDeviceContext *)ctx->device_ref->data;

    ctx->tail_pkt = av_packet_alloc();
    if (!ctx->tail_pkt)
        return AVERROR(ENOMEM);

    return 0;
}

int ff_hw_base_encode_close(FFHWBaseEncodeContext *ctx)
{