int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt) { if (!pkt) { ctx->internal->eof = 1; return 0; } if (ctx->internal->eof) { av_log(ctx, AV_LOG_ERROR, "A non-NULL packet sent after an EOF.\n"); return AVERROR(EINVAL); } if (ctx->internal->buffer_pkt->data || ctx->internal->buffer_pkt->side_data_elems) return AVERROR(EAGAIN); av_packet_move_ref(ctx->internal->buffer_pkt, pkt); return 0; }